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Reamer or drill

Subclass of:

606 - Surgery

606001000 - INSTRUMENTS

606053000 - Orthopedic instrumentation

606079000 - Orthopedic cutting instrument

Patent class list (only not empty are listed)

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Class / Patent application numberDescriptionNumber of patent applications / Date published
606081000 Acetabular 20
Entries
DocumentTitleDate
20110184417DISTAL RELIEF FOR A SURGICAL DEVICE - A distal tip wire relief section may be applied to any cannulated instrument or implant requiring the use of a guidewire with an enlarged head, such as a ball tip guidewire used in conjunction with an intramedullary nail. The implant incorporates an enlarged opening at the leading or distal portion of the cannula. The enlarged opening is selectively placed about the periphery of the distal portion to allow opening relief in areas where guidewire removal will be facilitated. Thus, a surgeon can reliably and repeatedly remove the guidewire after implantation of the implant by pulling the enlarged head of the guidewire proximally into and through the cannula.07-28-2011
20120203231FLEXIBLE MICRODRILLING INSTRUMENTATION, KITS AND METHODS - In one embodiment, the present invention may include a method of performing microdrilling surgery including directing a distal portion of a cannulated guide having an angle of curvature adjacent to a defect site; directing a drill, including a drill head and a flexible shaft, through the cannulated guide from a proximal portion of the guide through the distal portion and towards the defect site; drilling at least one hole into the defect site; and removing the drill and cannulated guide from the defect site and allowing blood or bone marrow to flow into the at least one hole towards the defect site.08-09-2012
20100160915MIS PATELLAR PREPARATION - Instruments and a method for preparing the articular surface of the patella to receive a patellar implant are utilized without everting the patella. A medial or lateral parapatellar incision and an anterior midline incision are made adjacent the patella. The patella is clamped with a patella clamp, a hole is drilled from the anterior surface of the patella. A reamer is inserted through the medial or lateral parapatellar incision and is then attached to the end of a drive shaft that extends outwardly beyond the articular surface of the patella. The posterior facing cutting surface of the reamer device is then placed in contact with the articular surface. The drive shaft is then rotated and moved anteriorly causing the cutting surface of the reamer device to remove a desired amount of patellar cartilage and bone to accommodate a patellar component. The patellar component is secured into place by aligning a central peg protruding from the top surface of the patellar component with the previously drilled hole in the patellar remnant.06-24-2010
20130046308Drill Bit and Drill Provided with the Same - The present invention discloses a drill bit 02-21-2013
20090131940METHOD FOR PERFORMING HIGH SPEED SURGICAL PROCEDURES - A method for performing a surgical procedure on tissue at a target site of a patient includes providing a surgical cutting instrument including an outer tube, inner wire assembly and a cutting tip. The outer tube defines a curved segment. The inner wire assembly is rotatably disposed within the outer tube. The cutting tip is connected to the inner wire assembly and positioned at a distal end of the outer tube. The tissue at the target site is exposed and the cutting tip is deployed against the tissue. The method further includes rotating the inner wire assembly relative to the outer tube at speeds in excess of 50,000 RPM such that the cutting tip removes contacted tissue.05-21-2009
20110196376OSTEO-NAVIGATION - A method and device for osteo-navigation is provided. The method may include identifying a target bone structure, insert of an orthopedic instrument including an optical probe for analyzing a characteristic of the target bone structure into the target bone structure, and navigating the orthopedic instrument into the target bone structure along a selected path in response to a signal from the optical probe.08-11-2011
20110196375MOTOR ASSEMBLY FOR MEDICAL EQUIPMENT - A motor assembly for use in a surgical tool, has a motor and a gear train. The gear train has an output shaft, a fixed ring gear, a movable ring gear, a cover, and a multi-stage planetary gear set. Each gear stage has a sun gear, a carrier, and planet gears mounted on one side of the carrier. The planet gears are in mesh with a sun gear and either the fixed ring gear or the movable ring gear. The movable ring gear has inner teeth formed on an inner peripheral surface and one of the carriers has outer teeth formed on an outer peripheral surface. The movable ring gear is movable between a first position where the movable ring gear is engaged with and non-rotatable relative to the cover and is disengaged from said one carrier, giving the gear train a higher gear reduction ratio, and a second position where the movable ring gear is disengaged from the cover and is engaged with and rotatable with said one carrier and the planet gears adjacent to the other side of said one carrier giving the gear train a lower gear reduction ratio.08-11-2011
20110196374CUTTING ELEMENT FOR A TOOL FOR SHAPING A BONE SURFACE, AND TOOL PROVIDED WITH SAME - A cutting element (08-11-2011
20080300600RESURFACING REAMER WITH CUTTING STRUTS - Disclosed is a guided orthopedic bone reamer (12-04-2008
20120245587METHOD FOR SPINAL DRILLING OPERATION AND GUIDING ASSEMBLY - A method for spinal drilling operation is disclosed. The method includes the steps of disposing a guiding element on a vertebra; mounting an auxiliary element on a locating part of the guiding element; mounting a k-pin on the auxiliary element; locating the k-pin and removing the auxiliary element from the locating part; mounting a cannular driller having a holding part and a drilling part through the k-pin; and rotating the holding part to drive the drilling part for a reaming process. A guiding assembly for spinal drilling operation is also disclosed. Accordingly, the spinal drilling process can be conducted easier and more precisely.09-27-2012
20120245586Bone Drill - Bone drill (09-27-2012
20130085498APPARATUS FOR CONTROLLING POSITION OF ROTARY SURGICAL INSTRUMENT - A rotation sensor system is included with a surgical instrument having an outer tube, an inner rotating member rotatably disposed within the outer tube and a handpiece coupled to proximal ends of the outer tube and the inner rotating member. The rotation sensor system includes a magnetic member provided on the inner rotating member near the proximal end of the inner rotating member, a magnetically permeable member provided on the outer tube near the proximal end of the outer tube, and a sensor provided on the handpiece to sense magnetic flux of the magnetically permeable member adjacent to the sensor. This sensed magnetic flux can be used to determine the rotational position of the inner rotating member relative to the outer. tube. Such information can be used to control the position of the cutting member relative to the cutting window when a surgeon stops rotating the inner rotating member.04-04-2013
20130079781JOINT ARTHROPLASTY DEVICES AND SURGICAL TOOLS - Disclosed herein are methods, compositions and tools for repairing articular surfaces repair materials and for repairing an articular surface. The articular surface repairs are customizable or highly selectable by patient and geared toward providing optimal fit and function. The surgical tools are designed to be customizable or highly selectable by patient to increase the speed, accuracy and simplicity of performing total or partial arthroplasty.03-28-2013
20130079780Method and Apparatus for Forming a Hole in Bone During a Surgical Procedure - A method and tool for forming a hole in a bone. The method includes bringing a bone cutting tool extending along a longitudinal axis into engagement with a cortical portion of the bone. A distal portion of the bone cutting tool is passed into the cortical portion of the bone up to a first predetermined depth to form a first bore. The bone cutting tool is then driven in the axial direction to a second predetermined depth to form a keyway portion in the first bore with a cutting tooth of the bone cutting tool. The bone cutting tool is then rotated about the longitudinal axis to form a second bore in a cancellous portion of the bone. The first bore and the second bore have a shoulder extending therebetween. The bone cutting tool is removed from the hole formed by the first and second bores in the bone.03-28-2013
20130041377ARTICULATED CAVITY CREATOR - Disclosed herein are devices for use through a cannula to create cavities within interior body regions. When deployed, the distal end of several such devices extend beyond the distal end of the catheter and can then be selectively curved into a shaped compression surface that, when articulated, creates a void within the interior body. This compression surface may then be withdrawn back into the cannula for removal and to make way for bone cement that, in certain instances, may be introduced through the same cannula.02-14-2013
20090157081Surgical Drill For Providing Holes At An Angle - A surgical drill for providing holes at an angle for use in repair and replacement of the ACL is disclosed, generally comprising a drill guide having a head that is angularly adjustable with respect to a body, a flexible guide pin and a flexible drill. The adjustable head of the drill guide allows a surgeon to drill a hole in the femur at an angle to a tunnel provided in the tibia. Because the surgeon can access the femur via the hole in the tibia, the surgical drill of the present invention obviates the need for a second hole in the tissue and also makes placement of femur hole more precise for securement of the ligament or tendon graft within the hole.06-18-2009
20090138015SPINAL IMPLANTS AND METHODS - Spinal implants are disclosed that can be used for annular repair, facet unloading, disc height preservation, disc decompression, or for sealing a portal through which an intervertebral implant was placed. In some embodiments, an implant is placed within the intervertebral disc space, primarily within the region of the annulus fibrosus. In some embodiments, the implant is expandable. In some embodiments, the implant has a sealing tail structure comprising a tail flange and a linkage. In some embodiments, the sealing tail structure limits the extrusion or expulsion of disc material, either annulus fibrosus or nucleus, into the posterior region of the spine where it could impinge on nerves. In some embodiments, the tail structure is retained in place within the annulus fibrosus by means of an anchor. In some embodiments, the anchor is constructed from multiple components.05-28-2009
20100094298REARCHITECTING THE SPINE - A surgical tool well suited for less invasive surgery. Uses include spinal surgery and microdecompressive techniques. The method and device are useful for rearchitecting the spine. A cutting tip or head on a shaft is shielded during non-use to protect tissue and neural elements. To further protect neural elements and tissue, an inflatable retractor is introduced into the body with the surgical tool.04-15-2010
20090326539TREPAN DRILL - A trepan drill that comprises a shaft that includes a clamping portion, and a head that comprises a substantially cylinder barrel shaped core bit and a distal end. The distal end includes a first tooth, a second tooth, and a third tooth that each respectively has a cutting edge. The teeth each have different axial teeth heights and are arranged alternatingly in a circumferential direction.12-31-2009
20090326536MEDICAL DEVICE - A cutting tool (12-31-2009
20100268235DEVICE FOR CREATING A SCREW-SHAPED, PARTICULARLY WORM-SHAPED RECESS IN A BONE - Disclosed is a device (10-21-2010
20090306669Autologous bone collection device having enhanced suction efficiency - A bone piece collector wherein a blade (12-10-2009
20110015634Modular Reaming System for Femoral Revision - A modular reaming system for reaming a plurality of pockets in an anatomical feature extends along a longitudinal axis. The system includes a first reamer in a first position on the longitudinal axis, and the first reamer reams a first pocket in the anatomical feature. The system further includes a second reamer that is removably coupled to the first reamer in a second position on the longitudinal axis. The second reamer reams a second pocket in the anatomical feature. The second reamer is keyed against rotation relative to the first reamer to ream the first and second pockets substantially simultaneously.01-20-2011
20090270863MANUAL GLENOID REAMER - A reamer arranged to ream a surface of a bone is provided. The reamer includes a guide portion having a non-reaming lower surface configured to slidably engage a corresponding guide reamed portion of the bone and an eccentric reaming lobe. The reaming lobe extends from part of the periphery of the guide portion. The reaming lobe has a reaming lower surface configured to ream bone outside of the guide reamed portion of the bone when the guide portion is rotated and urged towards the guide reamed portion of the bone. A second reamer may also be provided to form a reaming kit.10-29-2009
20090082771DUAL REAMER DRIVER - The disclosure illustrates a dual driver for surgical reamers in which either of a crossbridge and crossbar style reamers are axially inserted in the distal end of a central shaft for the reamer driver. A pair of L shaped grips are adapted to connect and disconnect the different style of reamers by the movement of an external sleeve biased towards the connection position. Movement of the sleeve away from the distal end allows an internal plunger to cam the grips to an open position and urge the appropriate reamer from the tool driver directly in an axial direction.03-26-2009
20120226282METHOD AND APPARATUS FOR IMPLANTING A MODULAR FEMORAL HIP - A method of implanting a prosthetic component is disclosed that includes attaching a guide rod to the prosthetic component, removably coupling the guide rod to a shaft extending from a handle, and positioning the prosthetic component in an anatomical feature. The method also includes impacting an impaction portion of the handle and uncoupling the guide rod from the shaft, leaving the guide rod attached to the prosthetic component. The method further includes positioning a reamer over the guide rod to create a reamed opening in the anatomical feature.09-06-2012
20120226281MINIMALLY INVASIVE BONE MILLER APPARATUS - A method of milling a calcar region of the femur. The method includes using a miller assembly including a cutter and a frame. The frame has a longitudinal axis and a cutter mount for mounting the cutter at a first angle with respect to the longitudinal axis of the frame. The cutter mount extends at the first angle from the longitudinal axis of the frame and receives a portion of the cutter and maintain the received cutter oriented at the first angle during rotation. The frame includes a handle that forms a portion of a drive joint for coupling the frame to a drill. The handle is coupled to the drill and the miller assembly is inserted into the femur such that the cutter is located in the calcar region. The drill is then operated, causing the cutter to rotate and mill bone in the calcar region.09-06-2012
20120116402Apparatus and Method for Arthroscopic Transhumeral Rotator Cuff Repair - Apparatuses are provided for arthroscopic rotator cuff repair incorporating a transhumeral bone tunnel. The apparatus comprises a number of components that can also be considered a repair system to include a drill guide, a marking hook, and a drill with a removable tip that serves as a bone anchor. In additional aspects of the invention, the components of the drill guide assembly comprise a cannulated marking hook and a drill guide with multiple bores. In additional aspects of the invention, an implantable bone anchor is provided that is especially adapted for placement through a bone tunnel, and wherein the implantable anchor is collapsible to increase the effective size of the anchor for securing the anchor to the far side opening of the bone tunnel through which the anchor was placed.05-10-2012
20130165935EXPANDABLE RETROGRADE DRILL - An orthopedic reamer, including a first shaft; a second shaft movably disposed within at least a portion of the first shaft; a handle movably coupled to at least one of the first or second shafts; a drilling element coupled to a distal portion of the second shaft; and a plurality of cutting elements, each cutting element having a first portion connected to the first shaft and a second portion connected to the second shaft. The plurality of cutting elements are controllably transitionable from i) a substantially linear configuration parallel to the first and second shafts to ii) an angled configuration with respect to the first and second shafts.06-27-2013
20130165936SYSTEM AND METHOD FOR A MODULAR RESECTION GUIDE - A modular bone resection guide system includes a positioning base configured to be attached to a bone, a modular resection block configured to be removably attached to various locations of the positioning base and a cutting tool configured to be supported and guided by the modular resection block while cutting the bone.06-27-2013
20130165937SURGICAL NAVIGATION - A method of surgical navigation into the brain includes establishing a trajectory through the skull into the brain to a target, drilling a hole in the skull using a drill, and verifying the trajectory of the drilled hole during drilling using image guidance. A surgical navigation system includes a cannulated drill, a cannulated access member, and a coupling member for coupling the access member to the drill and for maintaining alignment of the cannulations in the drill and the access member. The access member is movable relative to the coupling member such that the access member can be secured to tissue while the coupling member maintains the alignment of the cannulations. A surgical kit includes a cannulated drill, a cannulated access member, a coupling member for coupling the access member to the drill, and a probe for receipt within the cannulated drill.06-27-2013
20090024130Cannulated drill bit with radially offset cutting edge - A drill bit has a cylindrical proximal end coupled to a driving device with a central axis of rotation about which the proximal end rotates. A distal portion of the drill bit is a cutting device attached to the proximal end in such a way that it extends outside the periphery of the proximal end for a distance less than the entirety of the circumference of the proximal end. A guide wire extends through a passageway in the bit and is provided to create a pilot hole before the distal portion enlarges that hole. With this configuration of the cutting device, it is possible to position the cutting device in the distal portion in a direction facing away from the medial femoral condyle so that the proximal end of the drill bit can slide past the medial femoral condyle, with its axis of rotation much closer to that condyle than would be the case in prior art drill bits.01-22-2009
20090012524A CUTTING TOOL FOR USE IN ORTHOPAEDIC SURGERY - A cutting tool for preparing a cavity in a bone for receiving a component of an orthopaedic joint prosthesis. The shape of the tool is based on a shell having a rotationally symmetrical outer surface. The tool has at least one portion cut out from it, the cut out portion extending from the peripheral edge of the shell toward the pole of the shell, such that the tool has no more than one plane of symmetry passing through the axis of rotation. The external surface of the shell presents at least two outwardly directed cutting teeth, arranged such that the net translational force on the tool in the plane which is perpendicular to the axis of rotation, resulting from the accumulated resistance of the teeth when rotated against a rotationally symmetrical cavity in which the tool is a snug fit, is approximately balanced.01-08-2009
20090216235DRILL BIT AND METHOD FOR PRODUCING A DRILL BIT - A drill bit including a shaft which has a pyramidal shaped end defining a drill tip with a plurality of edges defining the pyramidal shape.08-27-2009
20110028977ORTHOPAEDIC REAMER - An orthopaedic reamer is provided for preparing a bone socket, such as the glenoid of the scapula, to receive a prosthetic glenoid component. The orthopaedic reamer includes an elongate shaft and an oblong cutting head, such as a cutting head having an oval or elliptical shape.02-03-2011
20110282348DEVICE FOR FIXATION OF BONE, AND DEVICE SET COMPRISING THE SAME - A device for fixation of bone, and more particularly, a device for forming a cavity in bone using an expandable member, is provided. The device for fixation of bone includes an external tube, an internal tube placed inside the external tube such that a fluid passage is formed between the internal tube and the external tube, the internal tube having open portions on both ends, and an expandable member surrounding one end of the internal tube, and connected by one and the other ends to the external tube and the internal tube, respectively, the expandable member in fluid communication with the fluid passage.11-17-2011
20100268234Devices and Methods for Vertebrostenting - The invention relates to devices and methods for creating a curvilinear cavity within a vertebral body or other body structure. An example method of forming a void in bony structure includes accessing a bony structure with a cannula, inserting a distal end of a combined drill and reaming device through the cannula and into the bony structure, manipulating the distal end of the combined drill and reaming device to create a void in the bony structure, and removing the distal end of the combined drill and reaming device from the cannula.10-21-2010
20120289964CRANIAL PLATING AND BUR HOLE COVER SYSTEM AND METHODS OF USE - The present disclosure is for a device, tooling, methods of use and kits containing the cranial plates and bur hole covers used for resecuring a cranial flap after a craniotomy. The cranial repair system is meant to reduce the profile of cranial plates or bur hole covers on the external surface of the cranium after a craniotomy is performed. The embodied devices of present disclosure are designed to reside substantially within the kerf or bur holes and thus minimize the surface area of devices resides on the external surface of the cranium. Additional embodiments include kits, tooling and methods to further reduce and/or eliminate the external profile of the cranial plate on the external cranial surface.11-15-2012
20110301611Surgical device with smart bit recognition collet assembly to set a desired application mode - A surgical device of a drill/driver with bit recognition to set a desired application mode and a method of utilization thereof is provided. Various operating modes of the drill/driver are automatically set by a sensor which recognizes the bit applied to the drill/driver. A method of utilizing the drill/driver allows the drill driver to apply surgical screws at very high speeds while automatically preventing excessive torque levels that would strip out the surgical screw from the patient's bone.12-08-2011
20120109134HIP JOINT INSTRUMENT AND METHOD - A surgical pelvic drill for operating hip osteoarthritis adapted to create a hole in the pelvic bone of a human patient is provided. The pelvic drill is adapted to create a through-going hole placed in the acetabulum area from the abdominal side of the pelvic bone of the human patient. The pelvic drill comprises: a driving member, a bone contacting organ in connection with said driving member, an operating device adapted to operate said driving member. The bone contacting organ is adapted to create a hole in the acetabulum area starting from the abdominal side of the pelvic bone through repetitive or continuous movement. A surgical and a laparoscopic/arthroscopic method of using said pelvic drill is further provided.05-03-2012
20090088756SYSTEM AND METHOD FOR SECURING SURGICAL IMPLANT - In one embodiment, a system for locating a transverse hole disposed at a predetermined location in a surgical implant inserted into a fractured bone of a patient and for drilling the fractured bone coaxially with the transverse hole is provided. The system comprises a first electromagnetic sensor unit coupled to the surgical implant, a surgical instrument for drilling a hole through the fractured bone coaxially with the transverse hole, the surgical instrument having a main axis disposed in parallel to the axis of the transverse hole, an electromagnetic drive unit coupled to the surgical instrument for energizing the first electromagnetic sensor unit to transmit a signal, a second electromagnetic sensor unit configured for receiving the signal and a display unit for converting the signal into visual signals enabling a user to change the position of the surgical instrument to align the surgical instrument with the transverse hole of the surgical implant.04-02-2009
20110295260KNEE RECONSTRUCTION PROCEDURE AND SURGICAL IMPLEMENT PARTICULARLY USEFUL FOR SUCH KNEE RECONSTRUCTION PROCEDURE - A surgical implement for use in a surgical procedure involving the manipulation of a wire or like article in a body cavity. The surgical implement includes: an elongated stem; a handle carried at the proximal end of the elongated stem; a socket in the form of a removable insert, carried at the distal end of the elongated stem and configured for insertion into a body cavity during the surgical procedure and for receiving the wire or like article; an actuator carried by the elongated stem and movable from a normal position closing the socket at the distal end of the elongated stem, to an actuated position opening the socket; a finger-piece carried by the actuator adjacent the handle so as to be conveniently engageable by a user, while gripping the handle, to move the actuator from its normal position closing the socket, to its actuated position opening the socket; and a spring urging the actuator to its normal position closing the socket. The described preferred embodiment is one wherein the surgical procedure is a knee reconstruction procedure, and the socket is configured to enter through a lateral-medial portal of the knee into the intercondylar notch of the femur bone for forming the femoral tunnel therein.12-01-2011
20120191094DRILLING DEVICE FOR FORMING A CURVED OSSEOUS CHANNEL WITHIN THE BODY OF A VERTEBRA - The drilling device for forming an osseous channel (07-26-2012
20100036381CAVITY CREATOR WITH INTEGRAL CEMENT DELIVERY LUMEN - A cavity creator including a tube with a lumen. A tip able to penetrate bone extends forward from the distal end of the tube. A blade is moveably attached to the outer tube proximal to the tip so as to move between retracted and extended states. The tube has a discharge port adjacent the blade. The tip is used to position the upper tube in bone. The blade is extended to form a cavity in the bone. Once the cavity is created filler material can be introduced into the cavity by flowing the material through the tube lumen.02-11-2010
20120191096Bone Harvesting Device - A bone harvesting device is disclosed as including a drill body for drilling into bone, the drill body being rotatable about its central longitudinal axis, and a saw pivotable relative to the drill body about a pivoting axis parallel to the central longitudinal axis of the drill body, the drill body including a cavity which opens at a lower open longitudinal end of the drill body, and the saw being pivotable relative to the drill body between a first position in which the saw is clear of the lower open longitudinal end of the drill body and a second position in which the saw blocks part of the lower open longitudinal end of the drill body.07-26-2012
20120191095STEERABLE CURVABLE VERTEBROPLASTY DRILL - Disclosed herein is a steerable and curvable drill that can be used for various applications including vertebroplasty. The drill can include an elongate, tubular body, having a proximal end, a distal end, and a central lumen extending therethrough; a deflectable zone on the distal end of the tubular body including one or more laser cuts, deflectable through an angular range; an insertable wire insertable into at least a portion of the central lumen of the elongate, tubular body; a handle on the proximal end of the tubular body; a deflection control on the handle; a drill control on the handle; a drive shaft within the elongate tubular body having a proximal end and a distal end; and a boring element on the distal end of the device for creating a cavity within bone. The boring element can be operably connected to the distal end of the drive shaft via a crimping mechanism. Systems and methods involving the drill are also disclosed.07-26-2012
20090149858Method And Apparatus For Forming A Bone Tunnel - A tool and method for drilling a bone for receipt of a first and second bundle includes drilling a first tunnel in the bone. A locating instrument may be positioned into the first bone tunnel thereby defining a reference axis. A tool may be inserted through a portal defined in surrounding tissue. The tool may engage the locating instrument thereby identifying a relative orientation between the reference axis and the drill axis for preparation of a second bone tunnel. The second bone tunnel may be drilled along the drill axis.06-11-2009
20090149857Telescopic Percutaneous Tissue Dilation Systems and Related Methods - Tissue dilation systems are disclosed. The present systems provide percutaneous access to one or more target structures located in a patient's body. The tissue dilation systems include two or more tissue dilation tubes telescopically arranged and moveable relative to each other. The tissue dilation tubes can be preassembled prior to use by utilizing a dilation tube retention assembly which can maintain the dilation tubes in a substantially fixed position and release the tubes therefrom in order to dilate a patient's tissue. Methods of producing the present systems and using the present systems in surgical procedures are also disclosed.06-11-2009
20100121332DEVICES AND METHODS FOR VERTEBROSTENTING - The invention relates to a method of creating a curvilinear cavity within a vertebral body or other body structure. The invention also relates to devices that may be used to perform the steps to create the curvilinear cavity.05-13-2010
20100121333DEVICES AND METHODS FOR VERTEBROSTENTING - The invention relates to a method of creating a curvilinear cavity within a vertebral body or other body structure. The invention also relates to devices that may be used to perform the steps to create the curvilinear cavity.05-13-2010
20100100098APPARATUS AND METHODS FOR REMOVAL OF INTERVERTEBRAL DISC TISSUES - Apparatus and methods for removing tissue from an intervertebral disc are disclosed. The apparatus can include an elongated guide tube, a rotary cutting member and a drive shaft. Other apparatus can include an elongated guide tube, an inner guide tube, a cutting head, a rotary cutting member and a drive shaft. The elongated guide tube has a bendable end. The apparatus are generally configured to extend and withdraw a rotary cutting member while controllably bending the bendable end of the guide tube.04-22-2010
20120109133Device and Method for Operating a Tool Relative to Bone Tissue and Detecting Neural Elements - An apparatus for providing medical treatment includes a tool portion configured to operate relative to bone tissue, a handle portion to operate the tool portion, and a nerve monitoring system to detect neural elements. The tool portion includes an insulated shaft comprised of an electrically conductive member and a non-insulated tip. The shaft carries an electrical signal to the non-insulated tip. The handle portion, which is removably and operably connected to the tool portion, incorporates an operating system to rotationally operate the tool portion. Additionally, the nerve monitoring system is linked to the tip and is operable to detect a neural element as a function of a characteristic of the electrical signal on the tip. Upon detection of a neural element, the nerve monitoring system provides a signal to the operating system of the handle portion directing the operating system stop rotation of the tool portion.05-03-2012
20110202060Disposable Reamer - A disposable acetabular reamer designed to improve tissue removal efficiency is described. The reamer device comprises a reamer cutting shell and a reamer driver interface. The reamer cutting shell has a hemispherical structure with a plurality of spaced apart rib portions that extend from a central region located about an apex of the shell. A tissue cutting surface further extends along a longitudinal leading edge, trailing edge or both leading and trailing rib portions. The tissue cutting surface further comprises a series of alternating cutting teeth and notches which are bent at a rake angle.08-18-2011
20100125276METHOD AND SYSTEM FOR REVERSIBLY CONTROLLED DRILLING OF LUMINAL OCCLUSIONS - A luminal drilling system includes a drilling device and a control unit. The drilling device includes an elongate member having a drive shaft with a drill tip. The control unit includes a motor connectable to the drive shaft and control circuitry which rotationally oscillates the drive shaft with the direction of rotation automatically reversing whenever the load on the motor and/or drive shaft exceeds a threshold value.05-20-2010
20080208196Method and device for restoring spinal disc function - The present invention relates to medical device, system and methods for restoring spinal disc function. The invention provides a curved path trough the vertebra into the disc through which the disc can be filled with an augmenting substance, balloon, or pallets. Further can the delivery device be used to access the disc with surgical instrumentation. The invention furthermore discloses a responsive disc augmentation system.08-28-2008
20080275449EXPANDABLE PROXIMAL REAMER - A reamer for reaming a portion of a long bone cavity for use in implanting a joint prosthesis. The reamer is used in cooperation with a portion of an orthopaedic implant component and includes an expandable body that is adapted to adjust between a plurality of diameters. A plurality of cutting edges are also included and extend outwardly from the body, the edges adapted for cooperation with bone, and the cutting edges expanding as the expandable body expands.11-06-2008
20080275448EXPANDABLE PROXIMAL REAMER - A reamer for reaming a portion of a long bone cavity for use in implanting a joint prosthesis. The reamer is used in cooperation with a portion of an orthopaedic implant component and includes an expandable body that is adapted to adjust between a plurality of diameters. A plurality of cutting edges are also included and extend outwardly from the body, the edges adapted for cooperation with bone, and the cutting edges expanding as the expandable body expands.11-06-2008
20130218161METHOD AND APPARATUS FOR MATERIAL REMOVAL - A rotary surgical tool includes a driving shaft. A cutting head, connected to the driving shaft, is configured to cut into a surface. Driving means, connected to the driving shaft, rotate the driving shaft and the cutting head. A depth-limiting feature includes an adjustable stud extending from one of the cutting head and the surface toward the other one of the cutting head and the surface. The stud has a protrusion length that is greater than and/or equal to the length of a desired amount of final penetration of the cutting head into the surface. An aperture, provided in the other one of the cutting head and the surface, has an aperture depth that is greater than and/or equal to the desired amount of final penetration of the cutting head into the surface. Interaction between the aperture and the stud limits longitudinal advancement of the cutting head into the surface.08-22-2013
20110208194FLEXIBLE ACL INSTRUMENTATION, KIT AND METHOD - In a first embodiment, the present invention includes an instrumentation system for preparing a bone for soft tissue repair, the instrumentation system including a flexible drill pin capable of bending along a curved path; an aimer capable of engaging the flexible pin to bend the flexible pin; and a flexible reamer having a flexible portion along at least a portion of its length, the flexible portion comprising a plurality of laser cuts. In an alternate embodiment, the present invention may also include a method for preparing a bone tunnel in a femur adjacent a knee joint, the method including introducing a flexible drill pin into the knee joint; guiding the flexible drill pin towards a surface of the femur with an instrument introduced into the knee joint; drilling the flexible drill pin into the femur; removing the instrument from the knee joint; introducing a cannulated flexible reamer into the knee joint by placing the flexible pin within the cannulation of the flexible reamer; and reaming the bone tunnel in the femur along the path of the flexible pin.08-25-2011
20120296338LATARJET INSTRUMENTATION AND METHOD - Instrumentation for an open or arthroscopic Latarjet procedure that allows more control graft handling during the formation of the hole and proper positioning parallel to the articulating bone surface. The surgical instrumentation of the present invention includes an osteotome with a plurality of markings and a depth stop, a drill guide with jaws configured to securely engage an outer surface of the graft, and an offset guide to position the graft to the bone.11-22-2012
20110208195POSITIONING CYLINDER FOR DRILLING WITH A SURGICAL DRILL AND DRILLING JIG AND SYSTEM FOR DRILLING - The invention relates to a positioning cylinder for a surgical drill, which positioning cylinder is screwed into a drilling jig by means of an external thread, especially for drilling in a jawbone for a dental implant. The positioning cylinder comprises a cylinder base having an axial internal bore and an external thread for screwing it into the drilling jig. The positioning cylinder is designed as a one-piece or integral part and the internal bore is used to guide the drill. The invention further relates to a system consisting of said positioning cylinders and surgical drills.08-25-2011
20110270255Guide For Drilling An Irregular-Shaped Body - The present invention provides a surgical instrument for guiding a drill into bone, the surgical instrument comprising; an elongate body comprising a shaft having a handle towards its proximal end and a head towards its distal end, wherein the head comprises a mouth and jaw assembly, and the shaft comprises a lumen aligned with the longitudinal axis of the shaft and extending from the proximal end of the surgical instrument to the mouth of the shaft, wherein the lumen is suitable for receipt and passage of a drill, and the jaw assembly comprises a pair of opposed reciprocating arms.11-03-2011
20080287952Medical Device - An attachment for a surgical instrument, comprising: a drive input hub for connecting, in use, to a power source; a drive output hub for connecting, in use, to a surgical instrument; and a body connecting the drive input hub to the drive output hub, the body comprising means for transferring drive from the input hub to the output hub, wherein the body, the drive input hub and the drive output hub are at least in part not coaxial. A method for surgically preparing a bone using such an attachment.11-20-2008
20090264887SURGICAL PROSTHETIC DEVICE CUTTING TOOL - A surgical tool includes a drive assembly including a head assembly and a cutting assembly coupled to the drive assembly. The cutting assembly includes a first blade having a first cutting surface and a first contact surface. The cutting assembly also includes a second blade pivotally coupled to the first blade. The second blade has a second cutting surface and a second contact surface. The first and second contact surfaces define a constant travel ratio10-22-2009
20080200915MARKED TOOLS - A surgical apparatus, the apparatus comprising: (a) a cutting tool comprising an axial member with a proximal end and a distal end, the axial member characterized by at least two adjacent axial sections, wherein differences between each of the sections are visually discernible when viewed in a projection x-ray image; and (b) a hollow tube adapted for parallel alignment with the cutting tool and selectively axially positionable to be adjacent at least a selective one of said axial sections and block x-ray radiation from at least one of passing through or passing adjacent said selected section so that said projection indicates a relative axial position of said hollow tube and said cutting tool.08-21-2008
20110009867MEDICAL APPARATUS AND METHOD FOR ATTACHING A SUTURE TO A BONE - A method of forming a channel in a bone, the method comprising: providing a first bore in the bone; and forming, a second bore in the bone at a predefined angle from said first bore, using said first bore as a reference point for01-13-2011
20120296337JOINT ARTHROPLASTY DEVICES AND SURGICAL TOOLS - Disclosed herein are methods, compositions and tools for repairing articular surfaces repair materials and for repairing an articular surface. The articular surface repairs are customizable or highly selectable by patient and geared toward providing optimal fit and function. The surgical tools are designed to be customizable or highly selectable by patient to increase the speed, accuracy and simplicity of performing total or partial arthroplasty.11-22-2012
20080275450MINIMALLY INVASIVE SURGICAL DRIVER - A method of removing bone material including the steps of drivingly connecting a bone removal tool to an output shaft; and rotating a plurality of drive shafts in an open frame, one of the plurality of drive shafts being connected to the output shaft.11-06-2008
20080294169Bone-reaming system - A bone-reaming system for use in bone cavities which allows for a less invasive and more precise surgical procedure is disclosed. An apparatus according to such a system may include a housing, a motor disposed within the housing, and a cutter attached to the motor and extendable through the aperture, wherein the housing is capable of articulating with respect to a bone cavity so as to allow the cutter to cut at least a portion of the bone cavity. A routing guide is used in conjunction with the apparatus to provide a template through which to cut preselected portions of a bone cavity. Also disclosed is a method for using such a bone-reaming system.11-27-2008
20090082772ADAPTER DRIVER FOR ORTHOPAEDIC REAMER - An adapter for a crossbar surgical reamer having a base with an interface for connecting with another style of reamer such as a crossbar reamer. Intersecting axially facing recesses are provided on the end of the base for connection with a crossbar type of reamer. A pair of grips are pivotally mounted on the base and urged to a closed position by a cross spring to releasably hold the crossbar reamer within the recesses for installation and removal substantially in an axial direction.03-26-2009
20090187191Systems, Devices and Apparatuses for Bony Fixation and Disk Repair and Replacement and Methods Related Thereto - Disclosed is an apparatus for forming an arcuate channel in one or more segments of a bone, bony structure or adjacent vertebrae of a spine. The apparatus includes, inter alia, a base member which is positioned proximate to the surgical site, a support arm extending proximally from the base member, an arcuate guide member and a drill assembly. The arcuate guide member is slidably mounted to the support arm. The drill assembly is operatively coupled to the support arm and includes a drill bit attached to the distal end of a flexible drive cable. The flexible drive cable extends axially along the support arm and is axially and rotationally movable with respect thereto. The drill bit is operatively coupled to an end of the arcuate guide member such that when the drill assembly is moved distally, the arcuate guide member slides with respect to the support arm and forces the drill bit to traverse an arcuate path.07-23-2009
20090062804Devices and methods for dynamic boring procedure reconfiguration - Various embodiments are directed to a method of switching horizontal directional drilling procedures during bore path turning. Such methods can include identifying a hierarchal arrangement of a plurality of different boring procedures utilizing different boring techniques, the hierarchy arrangement representing boring procedures of increasing ability to bore through harder soil while changing a trajectory of a boring tool. Such methods can further include boring a first leg of a curved bore path using a boring tool connected to a drill rig by a drill string, the first leg being bored using a first boring procedure of the plurality of different boring procedures. Such methods can further include monitoring a plurality of boring parameters during boring of the first leg, the plurality of boring parameters comprising: torsional pressure of the drill string, rotational travel of the drill string, hydraulic pressure, and axial displacement. Such methods can further include switching from boring the first leg of the curved bore path using the first boring procedure to boring a second leg using a second boring procedure of the plurality of boring procedures, the switch based on one or more of the boring parameters deviating past a threshold.03-05-2009
20110224672SURGICAL INSTRUMENTS AND METHOD OF USING SAME - The present invention relates to surgical instruments particularly suitable for preparing vertebral endplates during spinal inter-body surgical procedures. Methods of using such instruments are also disclosed.09-15-2011
20090326535CUTTING INSTRUMENTS FOR ULTRASONIC BONE SURGERY - A surgical instrument (12-31-2009
20090326538DEVICES AND METHODS FOR FRACTURE REDUCTION - The invention relates to a method of creating a curvilinear cavity within a vertebral body or other bony structure. The invention also relates to devices that may be used to perform the steps to create the curvilinear cavity. In one embodiment, a method of forming a curvilinear void in bony structure may include the steps of accessing a bony structure with a cannula, inserting a distal end of a drill device through the cannula and into the bony structure, manipulating the distal end of the drill device to create a curvilinear void in the bony structure, enlarging the void by expansion of a balloon element mounted to the drill device, and deflating the balloon element and removing the drill device from the cannula.12-31-2009
20090326537DEPTH CONTROLLABLE AND MEASURABLE MEDICAL DRIVER DEVICES AND METHODS OF USE - Disclosed are devices and methods for creating a bore in bone. The devices and methods described involve driving a rotating bit in an axial direction such that both rotation and linear movement are controlled and measurable. The instrument is useful for a surgeon to control and simultaneously measure the travel of the tool into the bone and prevent injury to surrounding structures.12-31-2009
20110144650APPARATUS AND METHOD FOR RECONSTRUCTING A LIGAMENT - A system for installation of a graft ligament support block is provided. The system includes an installation tool having a holder including a shaft having a handle at a proximal end and a distal end configured for selectively engaging the graft ligament support block. The installation tool further includes a drill guide including an outrigger having a bore formed on its distal end for selectively receiving a drill sleeve and a proximal end configured to selectively engage the holder. Also provided is a kit for use in reconstructing a ligament. The kit includes an installation tool including a holder and a drill guide, a drill sleeve, a guidewire, one or more drills, one or more graft ligament support blocks and one or more transverse fixation pins.06-16-2011
20110144649Disposable Flex Reamer - A single use intramedullary reamer comprised of a reamer head assembly and a reamer shaft. The reamer head assembly further comprising a series of reamer blades that reside in a series of surface slots that are helically oriented around the cylindrical body. The series of reamer blades are bonded with the cylindrical body through induction bonding.06-16-2011
20110230886DRILL ASSEMBLY AND SYSTEM AND METHOD FOR FORMING A PILOT HOLE - A drill assembly comprises a motor guide tube, an adaptor extending from a distal end of the motor guide tube, an elongate drill guide tube extending from a distal end of the adaptor, a retractable guide tube including an arcuate distal end slideably disposed within a channel of the drill guide tube, an actuation lever operably coupled to the retractable guide tube and extending from an outer surface of the adaptor, a flexible drill cable slideably disposed within the retractable guide tube, a drill motor operably coupled to the flexible drill cable, and a push-pull cable extending between the drill motor at a distal end and a liner stage motor inside a control box at a proximal end. A distal end of the flexible drill cable is structured to be advanced through the arcuate distal end of the retractable guide tube, and the linear stage motor is operable to advance and retract the push-pull cable and the drill motor.09-22-2011
20120078257TOOL FOR DRILLING BONE TISSUE, PARTICULARLY SUITABLE FOR PERFORMING A SINUS LIFT ACCORDING TO THE SUMMERS TECHNIQUE OR FOR THE FITTING OF EXTRA-SHORT IMPLANTS - Tool for drilling bone tissue, which has the advantage of having a cutting tip with a flat effective shape that prevents perforation of the Schneider membrane or injury to the dental nerve when drilling close to them. The tool is disposed along an longitudinal axis (03-29-2012
20120078256MEDICAL DRILL - A medical drill includes a shank and a cutting body arranged in a stationary manner in a region of a distal end of the shank. The cutting body projects radially on the shank and includes a cutter facing a proximal end of the shank.03-29-2012
20090222008REAMER AND METHOD OF REAMING - A collapsable reamer assembly and method of reaming a cavity into a bone are described. The reamer assembly comprises a base having a housing and an underside presented toward a surface of the bone in use. A collapsable reamer is rotatably mounted in the housing for rotation about a reaming axis directed away from the underside of the base. The collapsable reamer comprises at least one reaming component, supported for movement along the reaming axis from a collapsed state of the reamer to an extended state of the reamer to ream at least partially along the axis into the bone.09-03-2009
20090222009DRILL BIT AND METHOD FOR PRODUCING A DRILL BIT - A drill bit including a shaft which has a pyramidal shaped end defining a drill tip with a plurality of edges defining the pyramidal shape.09-03-2009
20090259227Reamer for Operating Implant - Disclosed therein is a reamer for operating implant, which can very usefully apply an implant operation to a patient who is short of bone quantity to the maxillary sinus, which is easier and safer than a conventional hammering method using a drill and an osteotome or a conventional operation method for transplanting a bone or planting an implant after forming a bone window on a maxillary sinus side wall, and which can reduce a treatment time period and treatment costs by minimizing the patient's pain occurring before and after the operation of the implant. A cutting part of the reamer includes: a protruding face formed on the top surface thereof in such a manner as to upwardly upheave a partial surface including an outer circumference of the cutting part of the entire top surface of the cutting part to form a stepped jaw; a depressed face formed on the top surface thereof in such a manner as to depress a partial surface of the entire top surface of the cutting part to be opposite to the protruding face according to the formation of the protruding face, the depressed face having a reverse inclination in a clockwise direction; a cut edge horizontally formed on a connected portion between the stepped jaw and the protruding face so that the cut edge evenly disperses a force while being in horizontal line contact with the mucosa even though the cut edge is in contact with the mucosa of the maxillary sinus so as to allow a dentist to perform a cutting work safely without damaging a mucosa of a maxillary sinus; and a discharge path longitudinally formed on the cutting part in such a manner as to cut an area ranging from a partial surface of the top surface of the cutting part, i.e., a predetermined portion between the protruding face and the depressed face to a portion which is slightly shorter than the lower end of the cutting part.10-15-2009
20090275949ADJUSTABLE LENGTH TAP AND METHOD FOR DRILLING AND TAPPING A BORE IN BONE - The present invention is directed to an adjustable self drilling tap assembly and method for drilling and tapping bores in bone for use in orthopedic procedures to treat bone. The adjustable length tap assembly includes a shaft having cutting threads for drilling holes in bone, a stop collar configured and dimensioned to be translatable along the longitudinal axis of the shaft, and a locking collar comprising a member configured and dimensioned to be received over at least a portion of the stop collar. The locking collar preferably is configured and dimensioned to engage with the stop collar to adjustably set the effective length for the cutting threads and to prevent movement of the stop collar along the longitudinal axis of the shaft.11-05-2009
20100152739Disposable flexible reamer shaft for medical applications - A low cost disposable flexible reamer shaft has a flexible cylindrical braided tube shaft with an outer diameter in the range of 4 to 14 millimeters and 250 to 400 mm length, and a central aperture for insertion of a flexible polymeric tube. The braided tube shaft is permanently attached to a first end element and a second end element. The threaded end of the first end element attaches to female threads of modular tapered, cylindrical or spherical, hollow or solid reamer assembly. The second end element fits into a chuck of a drive motor. The threaded attachment of the first end provides local centerline matching. A guide pin is inserted in the bone cavity, which enters the reamer. The central aperture of the flexible polymeric tube provides centerline matched, wobble-free reaming. The reaming end point is precisely the guide pin inserted location while the reaming direction is controlled by the surgeon by flexing the flexible reamer shaft.06-17-2010
20100185201IMPLANT ERECTING DRILL TOLL, HAND-PIECE, ADAPTOR FOR THE HAND-PIECE, AND SURGICAL GUIDE - An inventive implant handpiece (07-22-2010
20120095469Method and Apparatus for Harvesting Cartilage for Treatment of a Cartilage Defect - A method for treating a cartilage defect can include identifying an area of excessive boney growth on at least one of a femoral head and a femoral neck of a patient where the excessive boney growth area is covered with articular cartilage. A portion of the articular cartilage can be harvested from the identified area of excessive boney growth and an area of cartilage damage in an acetabulum of the patient can be identified. The harvested portion of the articular cartilage can be implanted into the identified area of cartilage damage in the acetabulum.04-19-2012
20100262146Disposable bone cutting instrument - A helical reamer for reaming a bone cavity has a longitudinally extending support shaft having a first driven end and a second end having a tip for insertion into the bone cavity. The research for a multiplicity of stamped flat reamer plates each having a plurality of cutting flutes formed on an external surface thereof and a central internal opening to receive the support shaft. The internal opening includes a coupling element in the form of a key and keyway rotationally coupling each reamer plate to the support shaft. The key and keyway allowing each reamer plate to be slightly rotated with respect to the flutes of an adjacent reamer plate. The coupling elements for rotationally coupling the plates to the drive shaft can be mating flattened areas on the internal surface of the stamping and the external surface of the drive shaft. A broach of stamped plates is also shown.10-14-2010
20100262147TOOL AND CORRESPONDING METHOD FOR REMOVAL OF MATERIAL FROM WITHIN A BODY - A device for removing material from within the body, includes an elongated element formed from hollow segments sequentially interconnected at effective hinges. The device assumes an insertion configuration for insertion of the segments sequentially through an opening of a first dimension into the body. A portion of the elongated element inserted into the body progressively assumes a material removing configuration in which a relative position of each segment relative to an adjacent segment is delineated by the effective hinge together with additional abutment surfaces defining a fully deflected state of the effective hinge. The material removing configuration has at least two dimensions exceeding the first dimension. At least two of the segments are formed with at least one cutting configuration deployed so as to collect material into a hollow volume of the segment during progressive formation of the material removing configuration as the elongated element is advanced.10-14-2010
20100179556METHODS FOR PLACING MATERIALS INTO BONE - Cancellous bone is accessed through a subcutaneous access path in soft tissue. A cavity is formed in cancellous bone by a cavity forming tool that is advanced through the subcutaneous access path into cancellous bone and manipulated to form the cavity. A measured volume of bone filling material is delivered into the cavity through the subcutaneous access path by a nozzle having an interior bore defining an interior volume sized for containing bone filling material, which is advanced through the subcutaneous access path. A nested instrument is formed while clearing residual bone filling material from the interior bore by an auxiliary tool that can be manipulated independently of the nozzle, which is advanced through the interior bore of the nozzle.07-15-2010
20100217267METHOD AND APPARATUS FOR PREPARING BONE FOR A PROSTHETIC DEVICE08-26-2010
20100228254METHOD FOR DRILLING ENLARGED SECTIONS OF ANGLED OSTEAL TUNNELS - Methods for drilling enlarged osteal tunnels using osteal guides capable of drilling an angled osteal tunnel, namely, an osteal tunnel having an angle or turn within the bone and for drawing a muscle, tendon or ligament in need of repair into the enlarged osteal tunnel such that the bone can mend about, around, over and/or within the muscle, tendon or ligament. A reamer and guide wire can be used to create the enlarged osteal tunnel to accommodate a portion of the muscle, tendon or ligament in need of repair. The device allows for the blind intraosseous preparation of osteal tunnels and the blind intraosseous retrieval of sutures from such osteal tunnels.09-09-2010
20090076511Intervertebral Disc Reamer - An intervertebral disc reamer includes a flexible shaft having a shaft channel, and a reamer head attached to the flexible shaft and movable relative to the flexible shaft. The reamer head has a reamer channel. The shaft channel and the reamer channel are aligned to define a continuous guide wire channel for the disc reamer. The disc reamer addresses the quality of disc removal and endplate preparation, minimizes the trauma of surgery, minimizes blood loss, and markedly reduces surgical time.03-19-2009
20130218160MASTOID BONE START DRILL BIT - A drill bit for drilling into bone, including at least a first, second and third longitudinally extending substantially straight flute blades, wherein the drill bit has an extrapolated outer profile established by rotation of the first, second and third flute blades 360 degrees about a longitudinal axis thereof, the extrapolated outer profile includes a first surface having tangents more perpendicular than parallel to the longitudinal axis, and the extrapolated outer profile includes a second surface having tangents more parallel than perpendicular to the longitudinal axis.08-22-2013
20130218162SURGICAL INSTRUMENT - A tool, in particular for use as a surgical drill, has a main tool body which, in order to be connected to a tool attachment unit, has a fixing unit which is provided to be at least partly unusable after the main tool body has been detached from the tool attachment unit.08-22-2013
20110028978Transpedicular Intervertebral Disk Access Methods and Devices - Methods and devices for treating diseases and conditions that change the spacial relationship between the vertebral bodies and the intervertebral disks, or that cause instability of the vertebral column, or both, and a method and devices that allow the surgeon to access the intervertebral space to restore a more normal three-dimensional configuration of the space, with or without additionally fusing two adjacent vertebrae.02-03-2011
20120143195DRIVE TOOL HAVING AN ANGLED CONNECTOR - A tool connecting device has a first member extending along a first axis and has an internal cavity adjacent a first end and a threaded outer surface. A second member extends along a second axis and has a tool at a first end and a joint element at a second end. The joint element is pivotally mounted in the cavity of the first member. The second member has an angled surface intermediate the first and second ends. The angled surface is angled outwardly in a direction from the second to the first end. A sleeve is provided which has a threaded inner bore mounted on the threaded outer surface of the first member and is capable of moving along the first axis. The sleeve has a tapered leading end for contacting the angled surface of the second member. The sleeve is movable on the first member to multiple positions along the first axis each position allowing an angle between the second axis and the first axis to be limited to any angle between 0 degrees and approximately 45 degrees.06-07-2012
20110238071DRILL ASSISTANCE KIT FOR IMPLANT HOLE IN A BONE STRUCTURE - The present invention provides a kit for bone surgery comprising a chirurgical drill and a base frame for positioning of said drill on an anatomical part of a patient. The base frame comprises at least one guiding tube with a cylindrical inner surface of predetermined diameter and also comprises a longitudinal cutout for direct view of the drilling site. The kit further comprises a burr-ring with a cylindrical outer surface of predetermined diameter arranged to be placed around the chirurgical drill. The diameter of the cylindrical outer surface of the burr-ring is slightly less than the diameter of the cylindrical inner surface of the guiding tube such that the burr-ring and the guiding tube are at most in a two-degree of freedom relationship along the longitudinal axis of the guiding tube when the burr-ring is engaged in the guiding tube. The invention also provides a bone surgery method using the kit.09-29-2011
20090264888Bone graft drill - A bone graft drill includes a shaft with a shaft axis, and a head with a rear side connected to the shaft and being shaped substantially conical at a front portion. A guiding tip is formed at a front end of the head, and a chipping recess is also formed in the head with an axis being inclined diagonally with respect to the shaft axis. The chipping recess has an edge constituting at least one cutting edge and an opening toward the rear side of the head.10-22-2009
20090112211Method of bone surgery - A method of bone surgery including drilling a first bore in a near cortex of the bone with a first drill bit. Then a second drill bit is passed though the first bore towards a far cortex of the bone, the second drill bit comprising a distal shaft portion and a proximal shaft portion, the distal shaft portion having a diameter less than a diameter of the proximal shaft portion such that a shoulder is defined between the distal and proximal shaft portions. Then a second bore is drilled in the far cortex of the bone with the distal shaft portion of the second drill bit whilst the second drill bit is received in the first bore.04-30-2009
20110112540FEMORAL REAMING SYSTEM AND METHOD OF PERFORMING TRIAL REDUCTION - An apparatus (05-12-2011
20130138107ARTICULATED DRILL AND DEVICE FOR DRIVING IT IN A RECIPROCATING MOVEMENT - The drilling device is composed of an articulated drill (05-30-2013
20130138108APPLICATOR FOR SUTURE/BUTTON CONSTRUCT WITH POSITIVE RETENTION AND CONTROL - A technique for joint repair employing a suture/button construct and an applicator designed to securely engage a button of the suture/button construct. The button of the suture/button construct securely engages two shafts of the applicator (i.e., an angled, non-vertical flat face of the outer shaft and a threaded region of the inner shaft). Engagement to and disengagement from the applicator is conducted without rotation of the button. The applicator with the secured button is introduced into the tissue (for example, soft tissue or a bone tunnel) and the button is passed through the tissue.05-30-2013
20130138109Arthroplasty Instruments and Associated Method - A reamer for use in performing arthroplasty includes a first cutting structure having an inner concave surface that defines a first cavity and terminates in a generally circular leading edge. The inner concave surface includes a first cutting feature that is spaced apart from the leading edge. An elongate member extends from the first cutting structure into the first cavity toward the leading edge that includes a second cutting feature. A second cutting structure is secured to the elongate member and positioned within the first cavity. The second cutting structure extends outwardly from the elongate member toward the inner concave surface and includes a third cutting feature.05-30-2013
20100174286BONE TREATMENT SYSTEMS AND METHODS FOR INTRODUCING AN ABRADING STRUCTURE TO ABRADE BONE - The invention provides instruments and methods for prophylactic treatment of an osteoporotic vertebral body or for treating a vertebral compression fracture (VCF). In one exemplary method, a probe system uses a high speed rotational elastomeric cutter having an optional expandable abrasive surface for abrading or cutting at least one path or region within vertebral cancellous bone. Irrigation and aspiration sources are included in the probe system for removing abraded bone debris. In one embodiment, the high speed rotational abrader uses a tissue-selective abrading surface that abrades or cuts bone but does not cut soft tissue. In another embodiment, an expandable abrading surface allows the treatment of bone with low pressures to create paths or spaces without explosive expansion forces known in prior art balloon procedures that are designed to crush and compact cancellous bone in a vertebra. After the creation of a path or space, an in-situ hardenable bone cement volume is introduced into each path or space to support the vertebra.07-08-2010
20100331846BONE RIFLING SYSTEM AND METHOD OF PREPARING A BONE USING SUCH SYSTEM - A bone rifling system for use in prosthesis, which allows improved prosthetic bone fixation. The system comprises orthopedic undercut reamer, which can cut controlled internal groove circles or spiral grooves on the internal surface of host bone. The system converts the commonly reamed smooth bone to grooved or rifled bony tube. Used together with bone cements, the bone rifling system ensures prosthetic bone fixation by significantly increasing the pull out strength, and decreasing the rate of clinical loosening and failure of replacement joints. Also disclosed is a method for preparing a bone for a prosthesis using such a bone rifling system to cut grooves in a host bone for increased prosthetic bone fixation.12-30-2010
20110034931METHOD FOR PREPARING RECIPIENT SITE AND IMPLANTING ALLOGENIC BONE GRAFT - A method of fixating allogeneic bone to an area of deficient bone in the jaws comprising: exposing the area of deficient bone by incising and retracting soft tissue; selecting a drill bit having a diameter corresponding to the area of deficient bone to receive donor bone; contacting the selected drill bit with the exposed deficient bone to form a generally cylindrical seat for receiving the donor bone; selecting a section of donor bone having a generally cylindrical shape and circular cross-section corresponding to said formed seat; fixating the donor bone to the formed seat with at least one screw; and closing the soft tissue to cover the previously exposed deficient bone.02-10-2011
20130150857CORTICAL DRILLING - A method is provided that includes advancing a drill having a distal end through an occlusal cortex into trabecular bone of an alveolar ridge, and ceasing the advancing of the drill when the distal end of the drill reaches an occlusal surface of a superior cortex of the alveolar ridge. Other embodiments are also described.06-13-2013
20110040301VERTEBRAL FACET JOINT DRILL AND METHOD OF USE - Devices and methods for creating lumens in the articular process of the vertebra are provided. An embodiment of the invention can be a tool that can cut a curved lumen through the articular process. The tool can have a lumen-forming arm with a rotating drill contained within that can be powered by a drill motor. The lumen-forming arm can be axially translated to cut a path through the articular process. Methods of using the resulting lumens to anchor or stabilize facet joint prosthesis, and also altering the spacing and motion at the facet joints of the vertebral column, are provided.02-17-2011
20110245833DEPTH CONTROLLABLE AND MEASURABLE MEDICAL DRIVER DEVICES AND METHODS OF USE - Disclosed are devices and methods for creating a bore in bone. The devices and methods described involve controlling the drive and measuring the work of a working tool such that a user can avoid injuries to surrounding structures.10-06-2011
20110245832WRAPPED CONNECTION BETWEEN CARBON FIBER SHAFT AND METAL PART - A reamer has a flexible carbon fiber composite shaft coupled to an interface element by wrapping a carbon fiber material so as to provide a reliable connection between the shaft and the interface element while maintaining flexibility of the shaft. The reaming device shaft has a mounting portion, the mounting portion having an end face and an outer surface. An interface element for mechanical coupling of an external device is provided and comprises a mounting portion, the mounting portion having an end face and an outer surface. The end face of the shaft mounting portion and the end face of the interface element mounting portion are facing towards each other and a carbon fiber wrapping is provided extending over both the outer surface of the shaft mounting portion and the outer surface of the interface element mounting portion10-06-2011
20110245831REAMING DEVICE WITH CARBON FIBER SHAFT AND MOLDED INTERFACE ELEMENT - A reaming device comprising a shaft with a mounting portion, the mounting portion having an outer surface; a carbon fiber layer located on the mounting portion outer surface; an injection molded interface element for mechanical coupling of an external device molded on the carbon fiber layer, the interface element having a mounting portion; wherein the carbon fiber layer extends over the outer surface of the shaft mounting portion and having an outer surface, wherein the carbon fiber layer outer surface has a non-smooth surface structure; wherein the injection molded interface element mounting portion is injection molded over the carbon fiber layer surface structure The method according to claim 10-06-2011
20110213368Patient Selectable Joint Arthroplasty Devices and Surgical Tools - Disclosed herein are methods, compositions and tools for repairing articular surfaces repair materials and for repairing an articular surface. The articular surface repairs are customizable or highly selectable by patient and geared toward providing optimal fit and function. The surgical tools are designed to be customizable or highly selectable by patient to increase the speed, accuracy and simplicity of performing total or partial arthroplasty.09-01-2011
20110251616EXPANDABLE REAMER AND METHOD OF USE - A surgical reamer assembly includes a dilator having a longitudinal passage extending therethrough for receiving a guidewire and a tubular channel positioned over the dilator. The surgical reamer assembly also includes an expandable reamer head coupled to an elongated shaft, such that the expandable reamer head is insertable through the tubular channel once the dilator and guidewire are removed.10-13-2011
20120245585Method and Apparatus for Forming a Bone Hole - A method and tool for creating a location for a fixation device to be secured to a bone. The method includes bringing a bone cutting tool extending along a longitudinal axis into engagement with an outer surface of the bone. The bone cutting tool is rotated about the longitudinal axis while driving it from the outer surface of the bone to a predetermined depth in the bone to form a bore. The bone cutting tool is then continuously rotated at the predetermined depth to establish an enlarged bone pocket at a distal end of the bore. The bone pocket defines a shoulder extending around a circumference between the bone pocket and bore. The bone cutting tool is removed from the bone pocket and bore. The fixation device is then inserted into the bone pocket through the bore, where it is seated against the bone pocket shoulder.09-27-2012
20100057087SURGICAL INSTRUMENT FOR ORTHOPEDIC SURGERY - A rotatable surgical instrument having a protective hood with articulating bendable distal end is provided to improve and enable various orthopedic surgical procedures such as arthroscopy. The protective hood surrounds the surgical tool bit exposing only a portion of the tool bit for removing bone or soft tissue material and protects the nerve from the surgical tool bit. The protective hood can be controllably rotated from the instrument's hand piece to control the orientation of the attack angle of the surgical tool bit. Additionally, the bending of the distal end of the instrument can be controlled from the hand piece.03-04-2010
20100069907Modular tapered hollow reamer for medical applications - An easy-to-assemble reamer for medical applications includes a shaft portion, a disposable tapered hollow reamer sleeve and a modular pilot. The shaft portion has a proximal end for attachment to a drill, a central cone element with one or more slots and a distal threaded end. The tapered hollow reamer sleeve has integrally attached one or more torque transmitting tabs at the larger end and a collet taper at the smaller end and slides over the shaft distal end engaging tabs with the slots. The modular pilot has a threaded central aperture engaging shaft thread and a collet taper mating with the collet taper of the reamer sleeve substantially coinciding their centerlines. The disposable hollow cutter sleeve has a plurality of cutting elements and apertures that discharge bone and bone cement debris into the space between the reamer and the shaft. With this construction, the reamer transmits reliable, wobble free, reaming torque in a highly efficient manner.03-18-2010
20110152869Bone Resurfacing System and Method - The present disclosure relates to bone resurfacing. One embodiment includes a method for preparing an implant site in bone, comprising establishing a first working axis extending from said bone; establishing a second working axis extending from said bone, the second working axis is displaced from the first working axis; creating a first socket in the bone by reaming about the first working axis; and creating a second socket in the bone, adjacent the first socket, by reaming about the second working axis.06-23-2011
20110152867Articulating Tool and Methods of Using - Disclosed are embodiments of an articulating tool having a head that articulates and is capable of maintaining an angle for drilling or placing a fastener into a bone. The articulating tool includes a housing, an articulating head, a rotatable drive shaft, and a driver tip connected to the distal shaft portion. The articulating tool may be constructed and arranged to move between a first position and a second position, wherein in the first position and the second position the articulating head and the rotatable drive shaft are at different angles with respect to the longitudinal axis of the housing.06-23-2011
20110098710Preparatory Reamers For Orthopedic Implants - A reamer for preparing a spinal upper facet to facilitate insertion of combined screw/washer implant, preventing bone damage and facet weakening, and also allowing possibility to place grafting so as to maximize implant stabilization. The reamer has shallow outer cutting surfaces to cut a groove for spike insertion; deep inner cutting surfaces to cut a cortical-penetrating bore for insertion of the screw, and a flat therebetween to limit penetration of these cutting surfaces.04-28-2011
20110152870Retrograde Delivery of Resurfacing Devices - A method according to one embodiment may provide access to an articular surface of a bone. The method includes forming a passage through at least a portion of the bone. The passage provides an opening in the articular surface. The method further includes inserting a tether through the passage. The tether inserted through the passage can be coupled to at least one device from an insertion site remote from the articular surface. The tether can be withdrawn through the passage to convey the device to a location proximate the articular surface.06-23-2011
20120123418STABILIZERS FOR SURGICAL TOOLS - Described herein are stabilizers for surgical tools. One aspect provides a surgical tool stabilizer, comprising: a support configured to engage at least a portion of a surgical tool and configured to receive at least a portion of a tracking system; and a retractable stabilizer configured to surround at least a portion of an end effector of said surgical tool. Other embodiments are described.05-17-2012
20110034930DRILL BURR AND METHOD FOR PERFORMING HOLES IN SUBCHONDRAL BONE TO PROMOTE CARTILAGE REPAIR - A method for performing holes in subchondral bone to promote cartilage repair comprises selecting a drill burr having a drilling head and an axial stop, as a function of the distance between the tip of the drilling head and the axial stop and of a desired depth to reach a desired subchondral bone marrow compartment of a patient; drilling a hole through a base of a cartilage lesion with the drill burr to reach the desired subchondral bone marrow compartment of the patient; abutting the base of the cartilage lesion defining a periphery of the hole with the axial stop while drilling; and withdrawing the drill burr from the hole; whereby the hole has the desired depth and reaches the desired subchondral bone marrow compartment to promote cartilage repair.02-10-2011
20100114099SURGICAL NAVIGATION - A method of surgical navigation into' the brain includes establishing a trajectory through the skull into the brain to a target, drilling a hole in the skull using a drill (05-06-2010
20100076442Device for shaping object with a profile of at least a partial sphere - A device for shaping a plurality of an object with a profile of at least partial sphere defined by a radius, R03-25-2010
20120203230CURVED BUR - A curved bur with an inner flexible member that is rotatably positioned within an outer tube. The curved bur has a design that constrains the flexible inner coil within the outer tube as the curved bur is rotated (without permitting the coil to stretch and to allow the bur tip to come out of the distal end of the outer tube). To ensure containment of the flexible coil within the outer tube, the outer tube is provided with a constraining neck feature at its distal end to allow the flexible inner assembly to be constrained within the outer tube, and to prevent bur extrusion. The constraining neck feature also centers the bur tip and prevents bur wobble. The curved bur may have a convex or concave bend configuration.08-09-2012
20120203232IMPLANT EXTRACTION METHOD AND TREPHINE DRILL BIT FOR ENABLING THE EXTRACTION - A trephine drill bit comprising a body and a tip connected to the body, wherein the tip includes a reduced area having a smaller diameter than the body, the reduced area ending in a stop to indicate when the trephine drill bit should no longer be introduced. A method is also disclosed.08-09-2012
20080243122APPARATUSES AND METHODS FOR BONE SCREW AUGMENTATION - An apparatus includes an expandable member and a cutting member coupled to the expandable member. The expandable member is configured to form a cavity within a cancellous portion of a bone. The cutting member is configured to cut a cortical portion of the bone.10-02-2008
20080294168Reaming device - A bone reamer has an ablation device for forming cavities in body tissue, the ablation device is movable with respect to a head of the reamer, and is capable of protruding at least partially beyond a surface of the head. The amount of protrusion the ablation device protrudes beyond the surface of the head has a variable geometry and the geometry is remotely modifiable. More particularly, the amount the ablation device extends beyond the outer surface of a reamer head body can be varied by an actuator located on the reamer outside the body.11-27-2008
20100292699Surgical Milling Cutter and Blades for Such a Cutter - This milling cutter is composed of four blades (I11-18-2010
20110118743MEDICAL DEVICE AND METHOD - Abstract: A device and method for cutting and collecting bone debris. The device comprises a receptacle having an opening, the receptacle opening being disposed with respect to a cutting tool such that, in use, bone debris produced by the cutting tool is received by the receptacle. The opening of the receptacle may have dimensions corresponding to those of the cutting tool. The receptacle may be shaped so that it does not extend beyond the outer periphery of the cutting tool.05-19-2011
20110046626DRILL DEVICE AND METHOD FOR FORMING MICROCONDUITS - The present invention relates to methods and devices for formation of microconduits in tissue, particularly using an impedance sensing drill to form microconduits. One embodiment of the invention is an impedance sensing drill comprising a drilling assembly, a control module, mechanically connected to the drilling assembly for controlling the depth of drilling by the drilling assembly; and a sensor, electrically connected to the drilling assembly and control module for detecting a change in an electrical impedance of a material being drilled. Another embodiment is a method of forming a microconduit in a material, which comprises the steps of drilling into the material, monitoring an electrical impedance of the material, and stopping the drilling into the material when a change in the impedance is detected, thereby forming microconduit.02-24-2011
20110125154NON-LINEAR REAMER FOR BONE PREPARATION AND ASSOCIATED METHOD05-26-2011
20120150189FEMORAL GUIDE FOR IMPLANTING A FEMORAL KNEE PROSTHESIS - Disclosed is a method of selecting a femoral prosthetic for implantation relative to a femur using a femoral sizing guide. An extension portion of the femoral sizing guide is placed adjacent to a posterior condyle surface of the femur. A stylus is located proximate to an interior condyle surface of the femur. A first actuator disposed between the extension portion and a base portion is moved to rotatably displace the extension portion with respect to the base portion until the stylus is centrally located on top of the interior condyle. A measurement of the femur is identified with the sizing guide based on a relative location of the stylus, the extension portion and the base portion. A femoral prosthesis is selected based on the measurement.06-14-2012
20100324562Broaching punch and method of forming bone tunnels - A device and method for forming bone tunnels. The device has a conical tip with a spiral cutting edge intended to be pushed into the bone. After penetrating the bone to the desired depth the device is able to be rotated back out of the tunnel without excessive strain on the wall of the bone tunnel.12-23-2010
20100324561METHOD AND DEVICE FOR CARRYING OUT A PERCRESTALE SINUS LIFT - The invention relates to a method for carrying out a percrestale sinus lift, wherein a bore channel is created with the aid of a boring, milling and/or hammering method, the Schneider membrane is lifted from the jaw bone using a flowable medium that is supplied via the opened bore channel, bone replacement material is introduced, a supply line is introduced into the bore channel prior to introducing the flowable liquid and is sealingly fixed in a detachable manner to the bore channel or onto the edge thereof and the flowable medium in introduced through the supply line. The invention also relates to a surgical instrument (12-23-2010
20090171359COMBINED FLIP CUTTER AND DRILL - A flip cutter and drill instrument and method of antegrade drilling and retrograde cutting using such an instrument. The flip cutter and drill instrument is provided with a drill which has a multi-blade configuration and which engages an inner tube or inner member of the instrument to articulate between at least a first “straight” position (for example, about parallel to the longitudinal axis of the instrument) when the instrument is in the drilling mode, and at least a second “flip” position (for example, a non-parallel position relative to the longitudinal axis of the instrument) when the instrument is in the cutting mode.07-02-2009
20100114098DEVICES AND METHODS FOR STABILIZING A SPINAL REGION - Disclosed are apparatuses and methods for delivering implants through a posterior aspect of a vertebral body such as a pedicle and placing the implant or performing a procedure into the anterior aspect of the vertebral body. A representative apparatus includes an outer cannula, and advancer tube and a drill assembly. It is envisioned that at least one of the outer cannula, the advancer tube or the drill assembly can be viewed in vivo using for example, a CT scan or fluoroscope. The present invention is also directed to an apparatus for forming an arcuate channel in bone material. The apparatus includes and advancer tube and a drill assembly.05-06-2010
20100241124Soft Tissue Manipulator Assembly - The present disclosure relates to an instrument for manipulating soft tissue during a soft tissue repair procedure. The instrument includes a handle and a shaft coupled to the handle, the shaft including a proximal portion and a distal portion, wherein the distal portion of the shaft comprises a tip including at least two prongs and a channel located between the prongs.09-23-2010
20110152868METHOD, DEVICE, AND SYSTEM FOR SHAVING AND SHAPING OF A JOINT - Described herein are methods and devices useful for reaming and shaping the surfaces of a joint in a mammalian body. The reaming and shaping devices and methods are particularly useful in preparation of a joint for a minimally invasive joint replacement or resurfacing, though they may he used as part of any appropriate arthroplasty procedure.06-23-2011
20110202061Acetabular Reamer - An acetabular reaming system is disclosed of the type having a driver and a tool held together by a quick-release coupling mechanism. The tool (08-18-2011
20100030218Surgical Instrumentation for Forming Threaded Openings in Bone - Surgical instrument for forming threaded openings in bone including a guide instrument and a tap instrument. The guide instrument includes a guide tube defining a circular passage and a first rotational stop member arranged generally along a first radial axis and defining a first circumferentially-facing stop face. The tap instrument is positioned within the circular passage of the guide tube and includes a distal thread cutting portion and a second rotational stop member arranged generally along a second radial axis and defining a second circumferentially-facing stop face. The second circumferentially-facing stop face of the second rotational stop member is positioned in abutting engagement with the first circumferentially-facing stop face of the first rotational stop member to prohibit further rotation of the tap instrument relative to the guide tube to prevent damage to internal threads formed in bone by continued rotation of the tap instrument.02-04-2010
20110218538FLEXIBLE DRILL AND METHOD OF JOINING NITINOL TO DISSIMILAR METALS - A flexible drill with a shaft having a nitinol portion (or nitinol region) provided between a stainless steel driver end and a stainless steel drill tip. The flexible drill with nitinol shaft is provided with a bearing surface to allow centering within a drill guide, low friction bearing and flexibility to drill around a curve. The bearing surface may be formed of a fluoropolymer such as LDPE (Low Density Polyethylene). The flexible drill shaft may be used through a drill guide, such as a curved drill sleeve.09-08-2011
20110218537Method and Apparatus for Preparing a Proximal Femur - A system for preparing a proximal femur can include a broach that includes a broach body having an anterior side, a posterior side, a lateral side and a medial side. The medial side can have a roughened cutting surface. The lateral side can have a smooth, non-cutting surface. The system can further comprise a cutting scribe assembly and a cutting guide assembly.09-08-2011
20100145341TROCAR-TIPPED DRILL BIT - A drill bit comprising a trocar tip on an end of a fluted portion is disclosed. The trocar tip may configured to cut through relatively hard bone. The drill bit may also have a fluted portion for cutting through softer bone.06-10-2010
20100228255METHOD AND TOOLS FOR LOW-SPEED MILLING WITHOUT IRRIGATION AND WITH EXTRACTION AND RECOVERY OF TISSUE PARTICLES - Milling procedure performed on the patient's bone or other tissue in order to form in said tissue a cavity of a shape and size that allows it to house an implant (or for other purposes where the tissue must regenerate) wherein milling is performed at low speeds and without irrigation without the tissue heating up and necrosis occurring in the tissue. The special design of the mill tools enables the tissue particles extracted during the milling process to be collected without using a suction machine. Said particles are in optimal biological condition for use in autografting due to the fact that neither overheating nor irrigation occur during the milling process.09-09-2010
20100121331UNIVERSAL DOUBLE OFFSET SURGICAL INSTRUMENT - Instruments for use in anterior approach total hip arthroplasty. Instruments according to certain embodiments of the invention connect to a shaping member such as a broach, reamer or osteotome that is used to prepare the intramedullary canal of a desired femur or other bone for total hip arthroplasty. Such an instrument according to such embodiments can be configurable to allow operation on either the left or right leg, and in doing so to provide lateral offset and anterior offset of the instrument handle relative to the shaping member so that the patient's gut, musculature or other bodily portions may be avoided while still providing desired leverage and control over the shaping member to prepare the intramedullary canal.05-13-2010
20100063507Low cost modular tapered and spherical hollow reamers for medical applications - An easy-to-assemble modular tapered or spherical reamer for medical applications includes a shaft portion, a disposable tapered or spherical hollow reamer and a guide pin. The shaft proximal end attaches to a drill and the distal end has a tapered body element with a tapered external surface and a central aperture. The disposable tapered or spherical hollow reamer has a central aperture that accepts the guide pin and an interior taper that matches the taper of the tapered body element. The guide pin has attachment means to attach its distal end to the central aperture in the reamer, and the proximal end to the central aperture of the tapered body element of the shaft, assuring reamer/shaft concentricity. Contact between the reamer taper and the taper of the tapered body element aids this concentricity. Torque transmission between the shaft and the reamer is accomplished by torque transmitting tabs or a threaded connection.03-11-2010
20100228253Reamer and Drill Guiding Device - A device for guiding a drilling tool to form an opening in a bone, comprises a body extending from a distal end to a proximal end, the body including a lumen extending therethrough, the lumen being sized and shaped to slidably accommodate a guidewire therein and a plurality of arms extending proximally from the proximal end, the arms being disposed about the lumen with a gripping surface of each arm being spaced radially from an axis of the guide wire lumen by a distance corresponding to a thickness of a guidewire to be received therein, the gripping surfaces gripping the guidewire to maintain a portion thereof extending proximally of the lumen along the axis of the lumen.09-09-2010
20110172670EXPANDABLE PROXIMAL REAMER - A reamer for reaming a portion of a long bone cavity for use in implanting a joint prosthesis. The reamer is used in cooperation with a portion of an orthopaedic implant component and includes an expandable body that is adapted to adjust between a plurality of diameters. A plurality of cutting edges are also included and extend outwardly from the body, the edges adapted for cooperation with bone, and the cutting edges expanding as the expandable body expands.07-14-2011
20120310247Medical Electric Drill - A medical electric drill includes a drilling head, a microprocessor, a pressure sensor unit, a torque sensor unit and a gravity sensor unit. The drilling head is for drilling a bone. The microprocessor is signally connected to the drilling head for calculating a displacement of the drill. The pressure sensor unit is for detecting a pressure change and provides a pressure change signal to the microprocessor. The torque sensor unit is for detecting a torque change and provides a torque change signal to the microprocessor. The gravity sensor unit is for detecting an acceleration variation of the drilling head and provides an acceleration voltage signal to the microprocessor. The microprocessor determines a work period of drilling the bone according to the pressure change signal and the torque change signal, and then the microprocessor calculates the displacement of the drilling head by using the acceleration voltage signal during the work period.12-06-2012
20120310246Method And Apparatus For Implanting A Knee Prosthesis - A method for preparing a femur for receiving a prosthesis can include positioning an intramedullary (IM) member in the femur. A femoral trial component can be positioned onto a distal end of the femur. The femoral trial component can have an attachment portion and at least two cut surfaces thereon. A modular boss assembly can be attached to the attachment portion of the femoral trial component. The modular boss assembly can have a boss stem that is configured to operably connect to the IM member. A desired contact between the femoral trial component and the distal femur can be confirmed based on the attaching. The femoral trial component can be fixed to the distal femur based on the confirming. The modular boss assembly can be removed from the femoral trial component. A reamer bushing can be coupled relative to the femoral trial component.12-06-2012
20110060339Hip surgery assembly - An assembly for joint surgery comprises a goniometer for determining an angle for hip surgery, and a surgical tool comprising an axis of extension. The goniometer comprises an indicator and a contraindicator configured to indicate an angle between at least a portion of the indicator and at least a portion of the contraindicator with respect to a first axis of rotation. The goniometer is connected to the surgical tool with at least a first rotary joint arranged so as to be rotatable about a second axis of rotation substantially perpendicular to the axis of extension and a second rotary joint arranged so as to be rotatable about a third axis of rotation substantially parallel to, preferably coinciding with, the axis of extension such that the axis of rotation of the goniometer is arrangable with respect to the axis of extension in three dimensions.03-10-2011
20120109132Device And Method For Use During Ligament Reconstruction - The present disclosure relates to a device for use during ligament reconstruction surgery. The device includes a handle and a shaft coupled to the handle, the handle including a first channel for housing of an insert, a second channel, a third channel for housing of the shaft, a first window, a second window, and a groove. A method for use during ligament reconstruction surgery is also disclosed.05-03-2012
20120004661ORTHOPEDIC BONE DRILL - A drill bit includes a body extending along an axis and including a point end and a shank end. The drill bit also includes a first helical portion, having a first helix angle relative to the axis. The drill bit also includes a second helical portion, having a second helix angle relative to the axis which is different from the first helix angle.01-05-2012
20120209272Haptic Volumes for Reaming During Arthroplasty - A haptic robotic system for reaming an acetabulum prior to inserting an acetabular cup is more accurate than conventional instruments and may reduce the risk of dislocation and improve durability of a hip implant. Disclosed is a three-dimensional tool path, referred to as a haptic volume. Once the haptic volume is implemented into the software of a haptically constrained surgical robotic system, the cutting tool or reamer can only be utilized within the haptic volume. The haptic volume guides the surgeon in preparing the final reamed bone surface with a greatly reduced chance of the reaming unintended bone and greatly increases the chance that the reaming procedure may be carried out using one reaming tool, or using a single-stage reaming process.08-16-2012
20120209273TISSUE REMOVAL SYSTEM WITH RETENTION MECHANISM - Systems and methods for minimally invasive discectomy procedures are described herein. In some variations, a tissue removal system may comprise a handheld housing, an outer shaft comprising a distal portion and a proximal portion coupled to the handheld housing, a distal sheath coupled to the distal portion of the outer shaft, a motor, an inner shaft coupled to the motor, where the inner shaft is located partially within the outer shaft and partially within the distal sheath, a tip portion coupled to a distal portion of the inner shaft, and an elongate member distally extending through a distal opening of the inner shaft, the elongate member having a retracted configuration and an extended configuration, where the distal sheath comprises at least one element (e.g. at least one protrusion) that engages the tip portion to couple the tip portion to the distal sheath.08-16-2012
20120010621REAMING DEVICE - A bone reamer has an ablation device for forming cavities in body tissue, the ablation device is movable with respect to a head of the reamer, and is capable of protruding at least partially beyond a surface of the head. The amount of protrusion the ablation device protrudes beyond the surface of the head has a variable geometry and the geometry is remotely modifiable. More particularly, the amount the ablation device extends beyond the outer surface of a reamer head body can be varied by an actuator located on the reamer outside the body.01-12-2012
20120010620METHODS AND SURGICAL KITS FOR MINIMALLY-INVASIVE FACET JOINT FUSION - Disclosed herein are methods and surgical kits that can be used to fuse facet joints via a minimally invasive procedure (including an arthroscopic or percutaneous procedure). An exemplary method includes creating an incision; locating a facet joint with a distal end of a pin; sliding a substantially hollow drill guide over said pin wherein said drill guide comprises a proximal end, a distal end; removing said pin from within said drill guide; inserting a drill bit into said drill guide; drilling a hole into a bone of said facet joint; removing said drill bit; inserting a facet joint bone plug into said hole using a bone plug inserter having a raised portion at or near is proximal end, wherein said raised portion prevents over-insertion of said bone plug; and removing said drill guide.01-12-2012
20120059378Efficient Sculpting System - A system and method to optimize the material removal rate of a tool in a safe and geometrically precise manner, to facilitate the application of smooth contact forces and to sense tool contact forces for rapidly providing power regulation safeguards against tool inadvertently intruding into forbidden regions, for verifying and correlating physically extracted material against the virtual model, and for detecting and mitigating drill walking.03-08-2012
20120059379Surgical Drill For Providing Holes At An Angle - A surgical drill for providing holes at an angle for use in repair and replacement of the ACL is disclosed, generally comprising a drill guide having a head that is angularly adjustable with respect to a body, a flexible guide pin and a flexible drill. The adjustable head of the drill guide allows a surgeon to drill a hole in the femur at an angle to a tunnel provided in the tibia. Because the surgeon can access the femur via the hole in the tibia, the surgical drill of the present invention obviates the need for a second hole in the tissue and also makes placement of femur hole more precise for securement of the ligament or tendon graft within the hole.03-08-2012
20090048602SURGICAL BUR WITH UNEQUALLY SPACED FLUTES, FLUTES WITH DIFFERENT RAKE ANGLES AND FLUTES WITH ALTERNATING RELIEFS - A surgical bur including a shaft with a head on the distal end of the shaft. A number of flutes extend outwardly from the head, each flute having a rake surface and a clearance surface. On some flutes the rake and clearance surfaces meet to form the flute cutting edges. Other flutes have relief surfaces between the rake and cutting surfaces. On these flutes, the cutting edges are the edges where the rake and relief surfaces meet. The flutes are further designed to have rake angles that are less negative, than the flutes without the relief surfaces. The flutes are radially spaced apart around the head such that between any three adjacent flutes, the first and second flutes are spaced apart a first angle; the second and third flutes are spaced apart a second angle different from the first angle.02-19-2009
20120071878FRACTURE MANAGEMENT TOOL AND METHOD - A bone fragment manipulating tool with reversible pulling mechanism generally comprises an elongated shaft defining a shaft diameter and a drill bit at a distal end. An elongated tubular housing having a housing diameter greater than the shaft diameter encloses the shaft. As the shaft axially retracts in the direction of the tubular housing, a radially protruding structure secures the shaft to a chipped fragment of the bone. The tool then manipulates the fragments to their proper orientations. A method of manipulating a fragment of a fractured bone using a tool generally comprises drilling through the bone, deploying a radially protruding structure to secure the shaft to a chipped fragment, manipulating the chipped fragment to a proper orientation with respect to a primary fragment such that the fragments are aligned and joined, undeploying the radially protruding structure, and removing the tool in a locked, slender configuration from the bone.03-22-2012
20120071877Device for Anchoring a Suture - A device is for anchoring a suture to a bone. The device includes a suture engaged with an elastically deformable ring biased toward an unstressed state in which an outer diameter of the ring is D. The ring is compressible for insertion through a hole in a bone stabilization device having a diameter smaller than the diameter D.03-22-2012
20120158000DRILL BIT AND METHOD FOR PRODUCING A DRILL BIT - A drill bit including a shaft which has a pyramidal shaped end defining a drill tip with a plurality of edges defining the pyramidal shape.06-21-2012
20100094299Spinal interspace shaper - A device and method for use in a vertebral spine to prepare a space between adjacent vertebral bodies to receive an implant. The device includes a shaft, and a mounting member at one end of the shaft. A working end is mounted on the mounting member and is coupled to a drive mechanism adjacent to the working end. The drive mechanism is operable to move the upper and lower cutters of the working end to create surfaces having predetermined contours in the end plate region of the adjacent vertebral bodies. A guard provides protected access to the disc space and the adjacent vertebral bodies for the working end of the bone removal device through a passageway.04-15-2010
20100094297SURGICAL BONE MILLING INSTRUMENT - A surgical bone milling instrument, suited to operate in a hole formed in a bone, comprising a milling element (04-15-2010
20100094296TOOL FOR FORMING A CAVITY WITHIN A BONE04-15-2010
20120123417Drill Guide with Depth Stop - The present invention relates to a drill guide for positioning a bone tunnel in which the drill guide comprises a depth stop. The drill guide comprises an aimer arm and a drill sleeve, and includes a sleeve channel. The drill sleeve is moveable towards and away from the distal end of the aimer arm within the sleeve channel, and the depth stop is adjustable to provide a fixed drilling path length, irrespective of the distance between drill sleeve and distal end of the aimer arm.05-17-2012
20090131939INFLATABLE MOLD FOR MAINTAINING POSTERIOR SPINAL ELEMENTS IN A DESIRED ALIGNMENT - A system for the in situ formation of prostheses between adjacent vertebrae of a patient. The system includes a first mold adapted to be located in an intervertebral disc space between the adjacent vertebrae and at least a second mold adapted to be positioned between adjacent posterior elements. Lumens are fluidly coupled to each of the molds. One or more in situ curable biomaterials are delivered through the lumens to the molds. The at least partially cured biomaterial and the molds cooperate to maintain a desired alignment and spacing of the intervertebral disc space and the posterior elements.05-21-2009
20100249786MICROFRACTURE INSTRUMENT - A bone drill that includes a shaft with a flexible portion having a proximal end and a distal end and a drill tip coupled to the distal end of the shaft. The bone drill also includes a cannulated sheath with a proximal end and a distal end, the sheath housing a portion of the shaft and having a curved portion at the distal end. The drill tip may also be housed within the curved portion of the sheath. The bone drill may also include a hub with an actuator mechanism, the hub being coupled to the sheath, wherein the actuator mechanism retracts the sheath to cause the drill tip to extend beyond the distal end of the sheath.09-30-2010
20120316566Biologic Vertebral Reconstruction - A device and method for biologic vertebral reconstruction utilizes a biologically active jacket inserted into a cavity formed in a vertebra to be reconstructed. An artificial bone material is inserted into the biologically active jacket and allowed to set. The structure and method described herein provide for effective biologic vertebral reconstruction. The use of a biological material and artificial bone enables the host bone to replace the artificial bone over a period of time. Additionally, the structure of the biologically active jacket minimizes any impact into the spinal canal and the paravertebral spaces. Moreover, because of its biomechanical characteristics, which approximate the host bone, there is relative protection of the neighboring vertebral against fracture. Still further, the materials of the biologically active jacket may be impregnated with various substances to achieve various advantageous tasks.12-13-2012
20120221007ARTICULATING TISSUE REMOVAL SYSTEMS AND METHODS - In some embodiments, a tissue removal system may comprise a handheld housing and a tissue collection chamber coupled to a distal portion of the handheld housing and comprising a cylindrical portion, a motor, and an articulation mechanism. The articulation mechanism may comprise a shaft comprising an outer tubular member and an inner tubular member disposed within the outer tubular member and coupled to the cylindrical portion of the tissue collection chamber, a drum component slidably engaged with the cylindrical portion of the tissue collection chamber and coupled to the outer tubular member, an articulation drive component rotatably coupled to the drum component and to the cylindrical portion of the tissue collection chamber, and a tissue removal assembly coupled to the shaft and operable by the motor. The shaft may be articulated by rotating the articulation drive component and causing the drum component to translate in a proximal direction.08-30-2012
20120130377Burr Hole Drill Alignment Guide - A burr hole drill guide preferably includes a guide body having a guide passage that allows a drill bit to enter. Once the user has aligned the drill bit to the desired orientation, the guide can be lifted upwards, allowing a gap to pass over an upper, narrow attachment region of the drill bit and moved elsewhere (i.e., away from the procedure). In this respect, the surgeon is aware of the desired drilling angle, but is less restricted and better able to view the drill during the drilling process.05-24-2012
20120130378BONE CUTTING ASSEMBLY - An assembly for use in cutting a bone during a surgical procedure comprises a cutting tool and a guide block. The cutting tool includes a blade and a drive unit for imparting a cutting motion to the blade. The guide block can be positioned against the bone and has a reference surface for guiding the blade during the cutting step, the guide block having a screen surface which provides a point of reference to indicate proper alignment of the blade. The cutting tool includes means for directing a collimated beam of light in a direction parallel to the blade, on to the screen surface on the guide block when the blade is in contact with the guide surface, the distance between the blade axis and the light beam being equal to the distance between the reference surface and the point of reference on the screen surface.05-24-2012
20120130376SURGICAL INSTRUMENTATION AND METHODS OF USE FOR IMPLANTING A PROSTHESIS - A tissue resection guide for use with a datum includes a base releasably engagable with the datum. The tissue resection guide has a first frame fixed relative to the base and the first frame has at least one integral first guide path that is sized and configured to at least partially capture and guide a first tissue resection tool relative to the first frame.05-24-2012
20120130375Surgical Rotary Cutting Tool and Tool Guard Assembly - A surgical rotary cutting tool and guard assembly is provided in which the cutting tool has a shaft with a proximal end and a distal end with an end effector at the distal end. The shaft includes at least one bearing mounted thereto intermediate the proximal and distal ends, the bearing having an inside dimension and the shaft having an outside dimension that provide for an interference fit between the bearing and the shaft. A tubular sleeve that serves as a guard houses the shaft, the sleeve having an inside dimension sized to slidably support the bearing.05-24-2012
20120130379EXPANDABLE PROXIMAL REAMER - A kit for reaming a portion of a long bone cavity for use in implanting a joint prosthesis, the reamers for cooperation with portions of an orthopaedic implant component. The kit includes a distal reamer for reaming a distal portion of the long bone and a proximal reamer for reaming a proximal portion of the long bone. The kit further includes a pilot shaft for insertion into a reamed distal portion and attachment to the proximal reamer during the reaming of the proximal portion. At least one of the distal reamer, proximal reamer, and pilot shaft is expandable, such that the at least one of the distal reamer, proximal reamer, and pilot shaft includes an expandable body adapted to adjust between a plurality of diameters.05-24-2012
20120316565TOOLS FOR PERFORMING LESS INVASIVE ORTHOPEDIC JOINT PROCEDURES - A tool set for preparing a joint, inserting an implant or removing an implant from a joint in an open or less invasive procedure generally comprises a set of nested tools, pin guides, jigs, and/or immobilization elements. The nested tool set comprises at least one pin and at least one cannulated tool. The cannula can comprise tangs that project from the distal end of the cannula. The tangs can be offset such that drilling removes different amounts of bone relative to drilling through a centered drill guide. The cannulated tool kit can comprise at least one tool guide/cannula, drill bits/reamer, syringe, and/or inserter. At least one cannula is positioned over and around the pin position into the joint. The channel of the cannula guides the other tools into the joint.12-13-2012
20120316564DRILL GUIDES FOR CONFIRMING ALIGNMENT OF PATIENT-SPECIFIC ALIGNMENT GUIDES - An orthopedic device includes a drill guide configured to be mounted on a patient-specific alignment guide for intraoperatively confirming alignment of the patient-specific alignment guide relative to a bone. The patient-specific alignment guide includes first and second referencing holes. The drill guide includes a main body with a first coupling member and a second coupling member. The first and second coupling members are configured to be received within the first and second referencing holes, respectively. The first and second coupling members each include corresponding first and second drill openings configured to align with the first and second referencing holes, respectively. The drill openings each guide a drilling tool toward the bone to drill corresponding holes in the bone. The main body also includes an alignment confirmation feature configured for confirming alignment of the patient-specific alignment guide relative to the bone before drilling holes in the bone.12-13-2012
20100204702PRECISION ASSEMBLEABLE SURGICAL TOOL HANDLE - A precision adjustable surgical tool holder/driver is provided which is easily disassembled for cleaning and precisely reassembled. The holder/driver has a positionable handle allowing adjustment of the position of the handle about the spindle of the holder to enable the “handedness” of the holder to be changed in order to accommodate a user while operating from the left or right side of the patient, standing behind or in-front of the patient, or for use in different surgical methods. The holder/driver includes a “limited-play” capture mechanism, which connects the drive end of the housing to its locking sleeve via a limited-play locking device. The limited-play locking device utilizes a disengageable, precision fitted bayonet pin and seat combination in part to accomplish the precision reassembly feature of the present invention.08-12-2010
20100204701System and Method for Joint Resurface Repair - A system for repairing a defect on a patient's articular surface comprising a guide, a guide pin, a reamer, and an implant. The guide is configured to be disposed about the defect and includes a passageway configured to establish a reference axis extending generally outwardly from the articular surface. The guide pin is configured to be received through the guide passageway along the reference axis and into bone beneath the articular surface. The reamer comprises a cannulated shaft configured to be advanced over the guide pin along the reference axis and further comprises a cutting surface configured to be rotated about the guide pin to form an excision site. The implant comprises a bone facing surface configured to be received in the excision site and a load bearing surface having a contour approximating a contour of the patient's articular surface.08-12-2010
20100204700PERCUTANEOUS LOCKING BONE FIXATION SYSTEM - A minimally invasive bone stabilization and locking system and method are applicable to joint fusion and fracture repair, including human facet joint stabilization. A bone-boring bit on an elongated shaft is used to drill a hole through the bone or joint such that the bit penetrates through the distal surface. An implant is provided having hollow body terminating in a spreadable distal end. The implant is placed over the elongated shaft and into the drilled hole such that the spreadable end protrudes through the distal surface. The elongated shaft is then pulled, such that the bit interacts with the distal end of the implant, thereby causing the spreadable end of the implant sleeve to spread so as to prevent backout of the implant body through the hole. A proximal cap may be tightened against the proximal surface, thereby fixing the bone or joint in compression.08-12-2010
20110184419PATIENT-SPECIFIC ACETABULAR GUIDES AND ASSOCIATED INSTRUMENTS - A method for preparing a joint surface of a patient for an implant, such as, for example, an acetabular implant for a hip joint. According to the method, a patient-specific guide is attached to a complementary joint surface of the patient. The patient-specific guide includes a guiding element oriented along a patient-specific alignment axis. The alignment axis is determined during a preoperative plan of the patient for implant alignment. A shaft of a guiding tool is removably coupled to the guiding element of the guide. A three-dimensional orientation device is removably attached to the shaft of the guiding tool. A position of a bubble of the orientation device is marked with a mark on an outer transparent surface of the orientation device while the guiding tool is oriented along the alignment axis. The marked orientation device can be used for aligning other instruments during the procedure.07-28-2011
20110184418Unsealed, Non-Colloidal Radiopharmaceutical Compositions and Methods for Treatment of Abnormal Tissue - The present disclosure relates, according to some embodiments, to compositions and methods for treatment of an abnormal tissue (e.g., cancer). For example, a method may comprise administering to a subject in the region of the abnormal tissue a composition (e.g., a pharmaceutical and/or radiopharmaceutical composition) having a basic pH (e.g., greater than about 9). A radiopharmaceutical composition may comprise, in some embodiments, an admixture of (a) a first radionuclide composition comprising an unsealed, non-colloidal, radioactive, free holmium-166 (07-28-2011
20120172878Surgical Marking Tools and Methods for Marking a Patient - A surgical marking tool for marking a location on a patient includes a cutting head and a handle. The cutting head includes a screw thread. The handle is coupled to the cutting head to rotate the cutting head. The screw thread is configured to progressively embed in the patient to mark the location when the cutting head is placed in contact with the patient and rotated with respect to the patient using the handle.07-05-2012
20120239043Combination Driver/Anti-Rotation Handle for Shoulder Arthroplasty - An instrumentation kit for use in preparing a bone to receive a prosthetic component includes at least one first combination device, the at least one first combination device including a proximal portion configured to couple with a torque providing device and a distal portion configured to couple with a first instrument, the at least one first combination device pivotable between a first position whereat the proximal portion and the distal portion are (i) longitudinally aligned and (ii) configured to transfer a torque received by the proximal portion to the distal portion, and a second position whereat the proximal portion and the distal position are (i) not longitudinally aligned and (ii) configured to transfer a torque received by the proximal portion to the distal portion.09-20-2012
20120239044Drill guide for cruciate ligament repair - A guide that facilitates the creation of two bone tunnels for use during a “double bundle” cruciate ligament repair. In the case of an anterior cruciate ligament repair the guide facilitates the formation of two tibial tunnels extending between a single aperture on the anterior tibia and two distinct apertures on the tibial plateau. The guide has a single angled throughbore for guiding a drill bit on a predetermined angle relative to the anterior portion of the tibial tunnel. In an alternative embodiment the guide has two independent and non-intersecting bores which allow the simultaneous placement into the tibial tunnel of two separate guide pins to guide the formation of two tibial tunnels on the tibial plateau.09-20-2012
20120239042Combination Reamer/Drill Bit for Shoulder Arthoplasty - An instrumentation kit for use in preparing a shoulder to receive a glenoid component in one embodiment includes at least one combination device, the combination device including a boring section configured to form a first bore in a glenoid, a drive section operably connected to the boring section, a reaming section positioned proximally from the boring section and operably connected to the drive section, the reaming section configured to ream a portion of the glenoid, and at least one drill guide configured to guide a drill bit and positioned so as to guide the drill bit to form a second bore at a location spaced apart from the first bore, wherein the reaming section and the boring section are positioned with respect to each other such that the boring section forms the first bore and the reaming section simultaneously reams a portion of the glenoid adjacent to the first bore.09-20-2012
20120316563BI-CRUCIATE KNEE SYSTEM - An instrument set and related method for preparing a proximal tibia during a bi-cruciate retaining procedure are disclosed. The instrument set can include a tibial resection block, a cut guide, and a locking arm. The tibial resection block can be configured to be fixed to an anterior portion of the proximal tibia. The tibial resection block can define a slot that extends in a medial-lateral direction when the tibial resection block is fixed to the proximal tibia. The cut guide can have a body, a medial arm, and a lateral arm. A medial cut slot can be defined between the body and the medial arm. A lateral cut slot can be defined between the body and the lateral arm. The cut guide can further comprise a tongue extending therefrom. The tongue can be configured to be received by and slidably translate along the slot of the tibial resection block.12-13-2012
20080215055Method and apparatus for a planar drill - A method of preparing a surface of a joint for receipt of a graft is provided. The method can include providing a cutting tool having a solid, shallow angle cutting surface. The method can also include cutting a shallow section out of the anatomy with the solid, shallow angle cutting surface to form a bore.09-04-2008
20100298835Autologous Bone Harvest During Osteotomy and Bone Drilling Procedures - An apparatus and method for collecting particulate bone from the operating site during an osteotomy or bone drilling procedure so that it can be used subsequently to augment the bone fusion process. A bone cutting or drilling tool is provided with a module for collecting particulate bone simultaneously with cutting or drilling the bone. The collected particulate bone is transferred continuously to a sterile containment module and maintained under sterile conditions until it is prepared for re-use in the patient.11-25-2010
20100298834DEVICE AND APPARATUS FOR PERFORMING AN ENDOPROSTHESIS IMPLANTATION - Through the devices and apparatuses that are provided for performance of an implantation of endoprostheses, the previously unavoidable soft tissue damage and bone loss are largely reduced by carrying out the implantation via a narrow joint gap and a hole through the bone and through the rotational center point of the joint head. A fixation device and an extension arm of an extension device guarantee a bore true to angle, the system bore, through the proximal femur and femur head or humerus and humerus head. These must be extended with an extension device only by 2.0 to 2.7 cm in the bent position from the joint socket and are pivoted into the extension position. A narrow soft tissue access is therefore sufficient in order to introduce milling cutters and prostheses into the joint by means of a gripping tool. Through the system bore the drive shafts of the milling cutters as well as the press-in rods of the socket shell and the head prosthesis are guided true to angle and the latter pressed in by the press-in method and fixed by a fixation rod and counter plate. The devices are suitable for endoprosthesis implantations of the shoulder and hip.11-25-2010
20100298832STEERABLE CURVABLE VERTEBROPLASTY DRILL - Disclosed herein is a steerable, curvable drill that can be used for various applications including vertebroplasty. The drill can include an elongate, tubular body, having a proximal end, a distal end, and a central lumen extending therethrough; a deflectable zone on the distal end of the tubular body, deflectable through an angular range; a handle on the proximal end of the tubular body; and a deflection control on the handle; a drill control on the handle; a drive shaft within the elongate tubular body having a proximal end and a distal end; and a boring element on the distal end of the device for creating a cavity within bone. The boring element can be operably connected to the distal end of the drive shaft, The drive shaft can be configured to move axially within the tubular body when the deflectable zone deflects through an angular range. Systems and methods involving the drill are also disclosed.11-25-2010
20120179161SURGICAL INSTRUMENTS FOR CUTTING CAVITIES IN INTRAMEDULLARY CANALS - Surgical instruments and procedures are disclosed that enable the injection of an optimal amount of curable resin and/or the placement of an internal fixation device in an intramedullary canal of a fractured bone. The disclosed instruments and procedures enable a surgeon to clear a portion of the canal of cancellous bone and marrow across the fracture site without damaging the cortical wall.07-12-2012
20100292700SPINE CUTTER - A cutter for spine surgery is provided, especially for use in the area of the delicate cervical spine. The cutter includes a cylindrical cutter shank with cutter teeth formed at the distal end thereof. The cutter teeth at the distal end of the cutter shank are formed by grooves in the wall of the cutter shank. The grooves become deeper and expand from the outer radius of the cutter shank towards the distal end such that teeth narrowing towards the distal end with increasing height are formed between them. This guarantees especially gentle cutting in the area of the cervical spine, without surrounding delicate tissue being additionally jeopardized.11-18-2010
20120253348DRIVE SHAFT FOR A SURGICAL REAMER - Drive shaft for interchangeable reaming heads intended for surgical use, in particular a reaming head used prior to the positioning of an intramedullary nail in the femur or in a long bone. The shaft has a rod (10-04-2012
20120191097COMPONENTS FOR THREADING OF BONE - In certain embodiments, a combination of a thread forming tool and an implant is disclosed. The thread forming tool can have a thread forming section with a helical thread having at least one cutting surface for cutting a thread in bone. The implant can include a bone apposition surface having at least one helical thread for position at least partially in the thread of the bone. A longitudinal cross-sectional shape of at least a portion of the helical thread of the thread forming section in certain embodiments, substantially corresponds to a longitudinal cross-sectional shape of at least a portion of the helical thread of the implant.07-26-2012
20120259337SURGICAL DRILL INSTRUMENT WITH MOTOR AND LOCKING MECHANISM TO RECEIVE AN ATTACHMENT AND A CUTTING BURR - A surgical apparatus having a locking mechanism that receives a cutting burr and that may include a loading and running position. The locking mechanism may include a motor driven spindle that carries a locking pawl and a detent pawl that lock the cutting burr in place an prevent the cutting burr from inadvertently falling out of the surgical drill instrument when in its load position. A diamond-shaped portion of the cutting burr may be formed in a six-sided diamond configuration and a perpendicular back end surface. The end of the cutting burr may include another diamond-shaped portion formed in a six-sided diamond shape surface that mates with a complementary surface formed in the receiving end of the spindle of the motor/locking mechanism. In an aspect, the attachment of the cutting burr is such that the cutting burr has substantially zero axial movement and runs true in the running condition.10-11-2012
20120259339INSTRUMENT ASSEMBLY FOR IMPLANTING A REVISION HIP PROSTHESIS AND ORTHOPAEDIC SURGICAL PROCEDURE FOR USING THE SAME - A modular femoral prosthesis for use during performance of a hip revision procedure includes a proximal body component, a distal stem component, and a locking bolt. Surgical instruments and methods for use in implanting such a modular femoral prosthesis are disclosed.10-11-2012
20120259338DISTAL REAMER FOR USE DURING AN ORTHOPAEDIC SURGICAL PROCEDURE TO IMPLANT A REVISION HIP PROSTHESIS - A modular femoral prosthesis for use during performance of a hip revision procedure includes a proximal body component, a distal stem component, and a locking bolt. Surgical instruments and methods for use in implanting such a modular femoral prosthesis are disclosed.10-11-2012
20120259336CUTTING BURR SHANK CONFIGURATION - A cutting burr that includes a pair of axially spaced diamond-shaped portions designed to be keyed into a spindle of a locking mechanism of a high speed surgical drilling instrument and adapted to fit into a single pawl thereof to lock said cutting burr in place so as to prevent axial movement thereof and provide concentric rotation of said cutting burr without any wobbling. The orientation of both portions may be identical with respect to a center plan and diamond shape in the portion at the proximal end of the shank of the cutting tool may be larger than the intermediately located diamond shape of the other portion. The apexes of the facets of the six-sided diamond shape may be disposed below the surface of the shank of the cutting burr.10-11-2012
20120259335PATELLO-FEMORAL JOINT IMPLANT AND INSTRUMENTATION - A system for preparing a trochlear region of a resected femur is disclosed. The system includes a reamer guide and a reamer. The reamer guide has a first arcuate portion, a second arcuate portion, a wall, a protrusion connected to the wall, a leg connected to one of the first or second arcuate portion, and a distal tip portion connected to the leg. The reamer is adapted to rotatably connect to the distal tip portion, and the reamer has a first end portion, a second end portion, and one or more flutes.10-11-2012
20120232557METHOD FOR IMPROVING BLOOD FLOW IN BONE HEAD - A method for improving the blood flow in the bone head, the method including the steps of extending a long tubular body, which has a cutting tool at its foreend, close to the entrance of the retinaculum artery and performing drilling on the bone head by using the cutting tool. This method makes it possible to improve the blood flow in the bone head with a minimum of burden on the patient.09-13-2012
20090118735BONE MILL INCLUDING A BASE AND A MILL HEAD SEPARATE FROM THE BASE, THE MILL HEAD INCLUDING A MOVEABLE CATCH TRAY - A bone mill including a base and a mill head that is removably attached to the base. A cutting disc is rotatably disposed in the mill head. When the mill head is attached to base, the cutting disc is rotated by a motor internal to the base. A plunger mounted to the mill head urges the bone against the cutting disc. The cutting disc and an impingement plate internal to the mill head shear the bone into chips. The chips are discharged from an opening in the mill head into a catch tray removably attached to the mill head.05-07-2009
20120265206MEDICAL DRILL - A medical drill is disclosed, which is made of amorphous alloy, the amorphous alloy is zirconium amorphous alloy comprising 45 at % or above of zirconium, wherein the tensile strength of the medical drill is 1500-2500 Mpa, and the Vicker's hardness of the medical drill is 400-750. Moreover, a medical drill made of titanium amorphous alloy is also disclosed.10-18-2012
20120265205FLEXIBLE ACL INSTRUMENTATION, KIT AND METHOD - In a first embodiment, the present invention includes an instrument for use in preparing a femur for soft tissue repair or reconstruction, including a cannulated, curved guide tool having a cannulated body extending to a distal tip and a plane defined by a longitudinal axis of the cannulated body and distal tip; and a flange secured to the distal tip and extending from the distal tip in a direction transverse from the distal tip, the flange having a first curve along at least a portion of the flange and a degree of tilt, relative to the plane, along at least a portion of the flange. In an alternate embodiment, the present invention may also include a method of preparing a bone for reattachment of soft tissue thereto, including visualizing a reattachment site; selecting a guide tool from a plurality of cannulated curved guide tools, each of the plurality of guide tools having a distal tip that includes a flange; directing the distal tip of the selected guide tool towards the reattachment site; and placing the flange against the surrounding anatomy such that the distal tip is on the reattachment site.10-18-2012
20120323243DRILL FOR IMPLANT SURGERY - A drill for an implant surgery is provided which allows a mucous membrane in the maxillary sinus to be quickly and safely lifted without being damaged during a surgery for the maxillary sinus. The drill for use in an implant surgery includes a connection portion formed at an upper end of a body of the drill to be connected with a driving device; and a cutting portion formed at a lower end of the body and having a cutting blade for drilling, wherein an outer circumferential edge of a distal end of the cutting portion protrudes rather than a center of the distal end of the cutting portion.12-20-2012
20120271312SPLINE ORIENTED INDEXING GUIDE - A surgical cutting system can be configured to prepare an intervertebral space for insertion of an intervertebral implant. In an embodiment, the surgical cutting system includes a drill guide and a drill bit. The drill guide can be configured to be coupled to a trial implant and can include a guide portion that is configured to support a first stop member. In addition, the drill guide defines a guide hole that extends through the guide portion along a guide hole axis. The drill bit can be configured to be at least partially received in the guide hole. Moreover, the drill bit defines a second stop member that is configured abut the first stop member so as to limit movement of the drill bit through the guide hole along the guide hole axis to a maximum cut depth.10-25-2012
20110238070Orthopedic Downcutting Instrument and Associated Systems and Methods - Tools and instruments for use in orthopedic applications for forming openings and/or cavities in anatomical structures, e.g., bone and cartilage structures, are provided. The tools/instruments include a shaft having a distal end and defining a longitudinal axis and a shank disposed at the distal end of the shaft. The shank includes a tapered cutting edge and an adjacent fluted region. The shank is effective to collect and deposit materials generated by a cutting action within an opening or cavity formed thereby. A stop may be mounted with respect to the shaft. The tools/instruments deliver a clean and crisp cut to anatomical structures, thereby facilitating interaction with subsequently delivered plugs and/or implants.09-29-2011
20130184709BONE RIFLING SYSTEM AND METHOD OF PREPARING A BONE USING SUCH SYSTEM - A bone rifling system for use in prosthesis, which allows improved prosthetic bone fixation. The system comprises orthopedic undercut reamer, which can cut controlled internal groove circles or spiral grooves on the internal surface of host bone. The system converts the commonly reamed smooth bone to grooved or rifled bony tube. Used together with bone cements, the bone rifling system ensures prosthetic bone fixation by significantly increasing the pull out strength, and decreasing the rate of clinical loosening and failure of replacement joints. Also disclosed is a method for preparing a bone for a prosthesis using such a bone rifling system to cut grooves in a host bone for increased prosthetic bone fixation.07-18-2013
20120330315TROCAR-TIPPED DRILL BIT - A drill bit comprising a trocar tip on an end of a fluted portion is disclosed. The trocar tip may configured to cut through relatively hard bone. The drill bit may also have a fluted portion for cutting through softer bone.12-27-2012
20100168750RETROGRADE CUTTER WITH ROTATING BLADE - A cutting instrument having a body, a blade at a distal end of the body, and a mechanism for rotating the blade from a first to a second position. The instrument can be used in a method of retrograde drilling a hole in bone. The cutting instrument is provided with a mechanism (for example, a pin and a slot) that converts linear motion into rotational motion and locks the blade into position. The cutting blade is configured to engage the shaft of the instrument and to lock into the shaft. The cutting blade is articulated between at least a first “straight” position (for example, about parallel to the longitudinal axis of the instrument) when the instrument cuts in an antegrade manner, and at least a second “flip” position (for example, a non-parallel position relative to the longitudinal axis of the instrument) when the instrument cuts in a retrograde manner. The cutting blade may be provided with a suture passing notch. The cutter instrument may also include a button mechanism for controlling the linear movement.07-01-2010
20130012946COMBINATION OF A BONE DRILL AND A SLEEVE - Combination of a bone drill and a sleeve, whereby the combination comprises a receiving space for bone chips between the sleeve and the bone drill when the bone drill is inserted in the sleeve01-10-2013
20130012945VARIABLE DRILL GUIDE - There is provided a drill guide assembly (01-10-2013
20110152866Intraosseous injection system - Apparatus and method for injecting a fluid through perforated gingiva (06-23-2011
20110160732Bone Repairing Kit and Method for Bone Repair - A bone repairing kit including a drilling device, a pushing device, a clamping member and a hole saw is provided. An end of a tube body of the drilling device is a knife portion. When the tube body rotates with respect to a femur, a bone column is cut by the knife portion and located in the tube body. The pushing device includes a hollow tube and a push bar. The hollow tube is for receiving the tube body. The push bar is for touching and pushing the bone column in the tube body. The clamping member is for clamping the bone column. The hole saw includes a receiving body and cutting knives. The receiving body has a recess for receiving an end of the bone column. The cutting knives surrounding on an inner wall of the recess are for cutting an edge of the end of the bone column.06-30-2011
20130023882DISCECTOMY DEVICES AND RELATED METHODS - A tissue removal device may comprise a handheld housing, a motor, and a tissue removal mechanism coupled to the handheld housing. The tissue removal mechanism may comprise a tissue collection chamber coupled to a distal portion of the handheld housing, a jaw member comprising first and second jaw portions, where the first jaw portion is coupled to a first elongated member and the second jaw portion is coupled to a second elongated member configured to actuate the second jaw portion, a rotatable shaft disposed within a lumen of the first elongated member, a helical member disposed around at least a portion of the rotatable shaft, and an impeller coupled to at least one of a distal end of the helical member and a distal end of the rotatable shaft. Rotation of the rotatable shaft may effect rotation of the helical member and the impeller.01-24-2013
20130023881Surgical Kit and Method for Bone Repair - A kit of surgical instruments for bone repair includes a set of sizer instruments, a set of drill bits for bone boring and a set of guide instruments. The sizer instruments are defined by bodies of varying diameters. The drill bits have varying diameters that correspond to the sizer instruments. The guide instruments are defined by thin-walled cylindrical bodies of varying diameters that correspond to the diameters of the sizer instruments and drill bits. Each cylindrical body includes an open proximal end and an open distal end and has an inner cylindrical surface sized to provide for translating movement of a corresponding sizer instrument and drill bit instrument therethrough. In one embodiment, the sizer instruments, the drill bits and the guide instruments of the kit each have a feature that is color coded to provide a visual indication of corresponding sized instruments of the kit. In another embodiment, each given drill bit has a plurality of distal surfaces that are oriented in respective planes that are substantially transverse to the central axis of the given drill bit such that given drill bit cuts a hole into bone wherein the hole has a substantially flat bottom surface. In yet another embodiment, each given guide instrument includes at least one window in the cylindrical body that provides for visualization into the interior space of the given guide instrument during use. Methods of bone repair using the kit is also disclosed and claimed.01-24-2013
20130172891SURGICAL KIT FOR CARTILAGE REPAIR COMPRISING IMPLANT AND A SET OF TOOLS - A surgical kit for cartilage repair at an articulating surface of a joint, including a medical implant and a set of tools. The medical implant includes a substantially plate shaped implant body having a predetermined cross-section that substantially corresponds to the area of the damaged cartilage. The set of tools includes a guide tool including a positioning body and a guide channel. The positioning body has a cartilage contact surface that has a shape and contour that is designed to correspond to and to fit the contour of the cartilage or subchondral bone in the joint in a predetermined area surrounding the site of diseased cartilage. The guide channel has a cross-sectional profile that is designed to correspond to the cross-section of the plate shaped implant body. Additional tools in the set of tools have a cross-sectional profile that is designed to correspond to the cross-sectional profile of the guide channel.07-04-2013
20130172892SYSTEMS AND METHODS FOR PREPARING BONE VOIDS TO RECEIVE A PROSTHESIS - Systems and methods for shaping and filling offset bone voids during revision procedures of total knee replacements are disclosed. The systems disclosed herein generally include an intramedullary reamer, an offset driver, a cylindrical reaming tool, an offset reaming guide, and a conical reamer. An alternate embodiment of the system may also generally include an IM reamer, an offset driver, an offset broaching tool, and a second stage broaching tool. Yet another embodiment may generally include an elongate IM reamer, a cone reamer, a reamer guide shaft, a cone trial, a sizing template, a template guide, an offset lobe reamer, and offset lobe reamer retainer. Metaphyseal reconstruction devices and void filling cones can be used to fill the bone voids in conjunction with the systems and methods disclosed herein.07-04-2013
20130172893SCAPHO-LUNATE AND OTHER LIGAMENT AND BONE REPAIR/RECONSTRUCTION - Methods and kits are provided to treat scapho-lunate ligament tears, which involve stabilization of the scaphoid and lunate both dorsally and volarly. The treatments can be performed through open, mini-open or arthroscopic procedures, as an intra-capsular or extra-capsular repair and stabilization procedure. The treatment procedures involve the use of sutures or wires to fix the relative orientations of the scaphoid and lunate, and the optional use of bone anchors or other bone attachment devices to create a capsulodesis between the lunate and scaphoid, or other bones, to lift the scaphoid into the desired position. Localization of the entry point of the sutures or wires into the bones are used to improve positioning of the bone anchors, sutures and wires.07-04-2013
20080255565Broach handle for minimally invasive hip replacement surgery - A broach handle for attachment to a broach comprising a distal working end and a proximal connector end, the proximal connector end comprising a bore extending distally into the broach, and a finger comprising a recess and extending proximally away from the broach, the broach handle comprising: a body having a distal end and a proximal end, the distal end being longitudinally and laterally offset from the proximal end and comprising a finger for seating in the bore of the broach and a bore for receiving the finger of the broach; a linkage connected to the body and comprising a finger for selective disposition in the recess of the finger of the broach; and a lever connected to the body and arranged to manipulate the proximal end of the linkage so that manipulation of the proximal end of the lever can lock and unlock a broach to the handle.10-16-2008
20080243123Maxillary Bone Cutting System, Kit, and Method of Using the Same - A device includes a tubular element, and a cutter spring-biased relative to the tubular element. In an unloaded configuration the cutter is displaced relative to the tubular element by a displacement distance, and when the cutter is in a loaded configuration the displacement distance is reduced. A first structure is longitudinally fixed relative to the cutter and rotationally engaged relative to the tubular element. A length of the first structure extends proximally in the unloaded configuration. A second structure is longitudinally displaceable relative to the first structure. In the loaded configuration, a driver engages and rotates both the first and second structures, and thus the tubular element and cutter together. Once the cutter breaks through the bone, the cutter spring-biased into the unloaded configuration, resulting in disengagement of the first structure from the driver to prevent rotation of either the tubular element or the cutter.10-02-2008
20080243124Contoured Reamer Teeth and Method of Manufacture - An acetabular reamer (10-02-2008
20080221580Powered Driver - An apparatus and methods are provided to penetrate a bone and associated bone marrow using a powered driver having a gear assembly and a motor. The powered driver may include an indicator operable to show status of a power supply associated with the powered driver. The power supply may include a battery power pack having a diamond shaped cross section. The powered driver may have a handle with a corresponding cross section.09-11-2008
20130178858DRILL BIT LOCKING DEVICE AND DRILL BIT - A drill bit locking device and a drill bit are provided. The locking device includes a boss with a through hole, a bearing and a support member are arranged an inner wall of a small cylinder above the boss; a locking sleeve is sleeved over the boss, a first bulge is on an inner wall of an upper part of the locking sleeve, and a second bulge is on an inner wall of a lower part; a spring is between the second bulge and an upper bottom surface of the boss; a press plate is threadedly connected with an outer wall of a top part of the small cylinder and presses against the first bulge; holes of different sizes are on the inner wall of the small cylinder and the support member to form a stepped hole, and a steel ball is arranged in the stepped hole.07-11-2013
20080215056Powered Drivers, Intraosseous Devices And Methods To Access Bone Marrow - Apparatus and methods are provided to penetrate a bone and associated bone marrow using a powered driver. The powered driver may include a housing having a gear assembly, a motor and a power supply disposed therein. A penetrator assembly may be releasably engaged with one end of a drive shaft extending from the housing. The powered driver may include a light operable to illuminate an insertion site for the penetrator assembly. An indicator may be provided to show status of an associated power supply. An indicator may also be provided to show status of penetrating bone and/or associated bone marrow using a penetrator assembly. The apparatus may include an enable switch to prevent undesired operation of the powered driver.09-04-2008
20130138106DRILL BIT INCORPORATING DEPTH GAUGE - There is provided a drill bit for use in forming holes in a material, and measuring the depth of the hole. The drill bit includes a body providing a cutting region for making holes, a cannulation along the length of the cutting region, and an insert disposed within the cannulation. The insert is movable with respect to the body so as to selectively project beyond the cannulation, and edges of the cutting region.05-30-2013
20130090658Guide Pin Gauge - A guide pin gauge is described for use in measuring the thickness of an object at a particular location. The guide pin gauge includes a distal cutting head, a proximal shank having an outside diameter equivalent to an outside diameter of said distal cutting head, and a reduced diameter portion extending a length between the distal cutting head and the proximal shank. A proximal facing shoulder is provided at a transition between said distal cutting head and said reduced diameter portion. Markings are provided as a scale along said reduced diameter portion. The distal cutting head may be passed entirely through the hole, and displaced to a side such that a distal extent of the hole engages with the proximal facing shoulder. The markings may then be read to determine a distance to the distal extent of the hole.04-11-2013
20130090659SURGICAL CUTTING DEVICES AND METHODS - The present invention provides surgical drilling devices and methods. An exemplary surgical drilling device in accordance with the present invention comprises a housing, a retractable guide tube assembly, and a flexible cable drill. The retractable guide tube assembly includes an arcuate guide tube having a first portion that is slidingly positioned in an arcuate portion of the housing. A second portion comprising an actuating tube is slidingly positioned in a linear portion of the housing. The arcuate guide tube is controllably advancable from the housing and retractable into the housing. The flexible cable drill comprises a first portion slidingly positioned in the arcuate guide tube and a second portion slidingly positioned in the actuating tube.04-11-2013
20130178855IMPLANTABLE HEARING AID AND SYSTEM AND METHOD FOR IMPLANTING THE SAME - An at least partially implantable hearing aid, having: a microphone arrangement (07-11-2013
20130178856CRANIOTOMY DRILL - A craniotomy drill includes a main machine, a retarder and a locking seat. A drill transmission rod connected to the output shaft of the retarder is inserted in the locking seat. The main machine comprises a handle at the lower portion and an accommodating part at the upper portion, with a stator and a rotor of a DC electric motor being provided inside the accommodating part and a wall of the accommodating part being the stator housing of the DC electric motor. This craniotomy drill has a simple structure with the wall of the accommodating part as the stator housing of the electric motor, such that the volume and the weight are reduced. It is safe in use without the risk of the electric motor sliding out. By utilizing materials and processes of water resistant technology and an integrative design, a relatively good water resistant performance is achieved.07-11-2013
20130178857DRILL HEAD LOCKING APPARATUS AND DRILL HEAD - A drill head locking apparatus and a drill head are provided. The locking apparatus includes a protruding platform having a through hole, a bearing on the inner wall of a small cylinder on the protruding platform, a locking sleeve fitted on the protruding platform, and a protrusion arranged on the upper part of the inner wall of the locking sleeve. The lower part of the inner wall of the locking sleeve is a conical face. A spring is arranged between the bottom face of the conical face and an upper bottom face of the protruding platform. A press plate is connected with a screw thread on the outer wall of the top part of the small cylinder on the protruding platform and presses down on the protrusion. A conical hole is arranged on the wall of the small cylinder and communicates with the through hole of the protruding platform.07-11-2013
20130096561Powered Driver - An apparatus and methods are provided to penetrate a bone and associated bone marrow using a powered driver having a gear assembly and a motor. The powered driver may include an indicator operable to show status of a power supply associated with the powered driver. The power supply may include a battery power pack having a diamond shaped cross section. The powered driver may have a handle with a corresponding cross section.04-18-2013
20090024129PERFORATOR WITH INNER AND OUTER DRILLS AND A DRIVE HEAD, THE INNER DRILL CONFIGURED TO MOVE AGAINST THE OUTER DRILL IN ORDER TO DISENGAGE FROM THE DRIVE HEAD - A cranial perforator with an inner drill and an outer drill that surrounds the inner drill. Both drills are rotated by a head. Once the inner drill penetrates the bone, the inner drill moves against the outer drill. This movement causes the inner drill to disengage from the perforator head. The disengagement of the inner drill from the perforator head serves to stop the rotation of both drills.01-22-2009
20100286696Minimally Invasive Bone Miller Apparatus - A milling system is disclosed for creating a cavity in a bone. The cavity has a cross section which has a generally triangular profile having a first side generally parallel with an axis of the bone and a second side forming an acute angle with the first side. The cavity is contiguous with a pre-existing conical cavity in the bone. The system comprises a drive shaft, a frame for carrying a cutter and a cutter for cutting the cavity. The drive shaft has a proximal end configured for coupling to a drive means and a distal end configured to form a portion of a drive joint for coupling the drive shaft to a cutter. The frame includes a shaft and a cutter mount for mounting a cutter at a first angle approximating the acute angle with respect to the shaft. The mount includes a bracket extending laterally from the shaft to a bearing configured to receive a portion of a cutter and maintain the received cutter oriented at the first angle during rotation. The cutter has a head configured to form a portion of a drive joint for coupling the cutter to a drive shaft. The drive shaft is coupled to the cutter to form the drive joint. The cutter is received in the mount at the first angle and the drive shaft forms a second angle with the longitudinal axis less than the first angle.11-11-2010
20100286695METHODS AND SYSTEMS FOR MINIMALLY INVASIVE LATERAL DECOMPRESSION - A system for laterally decompressing one or more spinal nerves comprises an access sheath, a tool guide, and a bone removal tool. The access sheath is percutaneously placed adjacent a facet joint using needle dilation or a small incision. The tool guide is then placed through the access sheath adjacent an anterior surface of the superior articular process of the facet joint. The bone removal tool is advanced over the guide track to remove bone from the anterior surface. Optionally, after bone removal has been completed, the cutting tool may be advanced through the access sheath in order to partially cut the ligamentum flavum to further relieve compression of the spinal nerve(s).11-11-2010
20100286694Surgical drill with curved burr attachment and method - A surgical drilling instrument with a Curved Burr Attachment having an adapter removably coupled to a drill motor and a burr attachment coupled to said adapter. The burr attachment includes a tube with a wire shaft supported therein and a coil wire surrounding said wire shaft and having each of the coils touch the outer periphery surface of the wire shaft and the inner peripheral surface of said tube to enhance cooling of said outer periphery of said tube from the heat generated by said wire shaft and attenuate vibrations while allowing said burr attachment to be bent without kinking. The burr attachment includes a proximal end support and a distal end support formed on the end of said burr attachment wherein the wire shaft is affixed to said proximal end support and rotates relative to said distal end support and includes detents formed on each of the supports for engaging balls in said adapter so as to be operatively connected thereto when the burr attachment is aligned in said adapter to couple the burr attachment to said adapter for rotary motion of said wire shaft and locating the cutter of said burr attachment to a precise location relative to the end of the adapter. The burr attachment being disposable and the adapter being re-usable.11-11-2010
20130150858SURGICAL REAMING INSTRUMENT FOR SHAPING A BONE CAVITY - Disclosed herein are systems and methods for shaping bone voids during revision procedures of total knee replacements. The systems disclosed herein generally include a cannulated reamer assembly, a reaming guide assembly, a guide tube assembly, a trial stem assembly, and an optional insertion/removal tool. Metaphyseal reconstruction devices can be used to fill the bone voids in conjunction with the systems and methods disclosed herein.06-13-2013
20090138016VARIABLE ANGLE ORTHOPAEDIC REAMER DRIVER - An orthopaedic reamer driver includes a tubular housing having at least one first positioning feature. A driveshaft within the housing has a drive end. A variable angle cap is pivotally coupled with the housing adjacent the drive end. The variable angle cap includes at least one leg extending along a side of the housing. Each leg has a second positioning feature selectively engaging and disengaging with a corresponding first positioning feature at a selected one of a plurality of angular positions. Each second positioning feature maintains the variable angle cap at the selected angular position when engaged with the corresponding first positioning feature. A variable angle joint is coupled to the drive end, and a reamer drive head is coupled to the variable angle joint.05-28-2009
20100298833SYSTEMS, METHODS AND DEVICES FOR PREPARING A KNEE JOINT FOR IMPLANTS IN A KNEE SURGERY - A reamer for reaming a joint between at least two bones comprises a housing, a plurality of cutting blades, and a power source. The housing is configured to be inserted within the joint. The plurality of cutting blades is configured to couple to the housing. The plurality of cutting blades creates a cutting surface. The power source is coupled to the housing and configured to deliver motion to the cutting blades such that the cutting blades cut at least one bone of the at least two bones. The method of resurfacing a bone comprises the steps of placing a reamer substantially within a bone joint. The reamer has a housing and a plurality of cutting blades. The cutting blades are configured to bear upon a bone surface. Motive force is delivered to the housing. The motive force drives the plurality of cutting blades to ream the bone surface.11-25-2010
20120259340Method of treatment delivery - A minimally invasive method for drilling into bone and for providing for delivery of medical treatment is provided. The method includes use of a drilling system includes a miniature shaft, a bit, a guide tube encapsulating the shaft during drilling and a cortex adapter thereafter to prevent closure of the drilled hole, a stylet to prevent blockage of the resulting passage, and introduction for treatment following removal of the stylet. As a result, a hole, targeted towards a cancerous lesion within the bone, is possible.10-11-2012
20130158555RETRODRILL SYSTEM - The present disclosure relates to a method of creating a bone tunnel during ligament reconstruction surgery. The method includes placing a guide wire through the femur, the guide wire having a first end portion including a pointed tip and a second end portion; placing a drill mechanism over the first end portion of the guide wire, the drill mechanism having a first end portion including a drill bit and a second end portion including an attachment portion; coupling an adaptor assembly to the attachment portion, the adaptor assembly including a shaft; coupling a drill to the shaft and operating the drill to create a tunnel in the femur; coupling a drill bit assembly to the second end portion of the guide wire and locating the assembly against the drill bit of the attachment portion; and operating the drill to create a counter bore within the tunnel.06-20-2013
20130190764Fenestration Burr - A cochlear fenestration burr includes a shaft oriented along a longitudinal axis of rotation of the burr, a cylindrical depth stop member oriented along the axis, the depth stop member having a thickness dimension, a diameter dimension and a contact surface, an extension member extended outward from the contact surface and coaxial with the axis, a cutting member having a cutting surface supported by the extension member, and a cutting tip at the end of the cutting member in the center of the cutting surface and coaxial with the axis. A maximum cutting depth is defined by a distance along the axis between an end of the cutting tip and the contact surface. A cutting grit is disposed on the cutting tip and cutting surface.07-25-2013
20130197523Method of Humeral Head Resurfacing and/or Replacement and System for Accomplishing the Method - A method, and devices for facilitating the method, for shoulder replacement surgery. The method entails establishing a mechanical support in a the anatomical neck plane of the proximal humeral head, fixing a jig to the mechanical support, where the jig supports a drill guide with its axis perpendicular to the anatomical neck plane, adjusting the drill guide it coincide with the axis of the humeral head, drilling a hole through the humeral head for insertion of a shaft which will support and rotate a reaming bit. The reaming bits used to resurface the humeral head and the glenoid fossa are inserted through the back of the patient, through a gap created between two easily separated muscles, rather than through a gap cut through the subscapularis muscle on the front of the joint. A suitable jig is provided to facilitate the method.08-01-2013
20130197524BONE MILLING TOOL, ASSORTED SET AND SYSTEM WITH BONE MILLING TOOL - A surgical bone milling tool, in particular for the arthrodesis of a, preferably the first, metatarsophalangeal joint, with a rotatable milling cutter holder and at least one milling cutter for the production of a concave or convex milling contour in the bone, which is able to be fixed detachably on the milling cutter holder by a fixing element. Provision is made that the fixing element comprises a detent having a spring element provided for the detachable engagement of the milling cutter on the milling cutter holder.08-01-2013
20130204253SURGICAL IMPLEMENT AND METHOD FOR MANIPULATING A BONE - A surgical bone holding implement for manipulating a bone, comprising a handle and an elongated shaft including a bone engaging tip. The handle is positionable with respect to the elongated shaft between first and second positions, for mounting a drill member on the proximal end of the elongated shaft in one position, and for manipulating the bone by means of the handle in a second position.08-08-2013
20120095471KIT FOR RECONDITONING FEMUR AND ILIUM BONES IN PREPARATION FOR INSTALLATION OF A JOINT IMPLANT - A hip implant assembly including a ball and stem. An annular rim separates the ball from the stem and abuts over an exterior reconditioned surface of the femur upon inserting the stem within an interior femur passageway. A cup shaped support seats the ball in articulating fashion via a ligament which extends from the ball and is received within a recess passageway of the cup. The cup includes a mounting surface with a central projecting portion which in turn resistively fits within an undercut recess formed in the ilium bone in communication with a base surface of the reconditioned acetabulum socket. An installation kit assists the preparation of the femur and ilium bones, as well as the installation of the implant body into the conditioned femur end and the cup outer socket support to a reconditioned acetabulum defined in the ilium bone.04-19-2012
20120095470Method and Apparatus for Coupling Soft Tissue to a Bone - A method and apparatus for coupling a soft tissue implant into a locking cavity formed within a bone is disclosed. The method includes bringing a bone cutting tool extending along a longitudinal axis into engagement with an outer surface of the bone. The bone cutting tool is rotated about the longitudinal axis while driving it from the outer surface of the bone to a predetermined depth in the bone to form a bore. The bone cutting tool is then continuously rotated at the predetermined depth to establish an enlarged bone pocket at a distal end of the bore. The bone pocket defines a shoulder extending around a circumference between the bone pocket and bore. The bone cutting tool is removed from the bone pocket and bore. The fixation device is then inserted into the bone pocket through the bore, where it is seated against the bone pocket shoulder.04-19-2012
20130211407ACETABULAR CUP REAMER GUIDE - The present invention relates to guiding instruments for acetabular cup reamers, which allow for a much more accurate and precise reaming of the acetabular implant zone. The invention further provides combinations of acetabular cup reamers and guiding instruments therefor and methods for their manufacture and their use08-15-2013

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