Inventors list

Assignees list

Classification tree browser

Top 100 Inventors

Top 100 Assignees


Prosthesis insertor or extractor

Subclass of:

606 - Surgery

606001000 - INSTRUMENTS

606053000 - Orthopedic instrumentation

606086000 - Means for use in bone reperation

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
606100000 Restrained movable mass (e.g., slide hammer) 11
Entries
DocumentTitleDate
20080262503Surgical Tool and Method - Surgical tool for knocking out and/or inserting of prostheses (10-23-2008
20090240254Universal extractor for total endoprostheses of (tep) of the knee joint - The invention relates to a universal extractor for total endoprostheses (TEP) of the knee joint. The object of the invention, namely to make available a universal extractor for artificial knee joints that avoids the disadvantages of the prior art, is achieved by the fact that the universal extractor comprises the following parts: 09-24-2009
20090012528Apparatus for Treating Spinal Stenosis - A device for treating spinal stenosis having an implant body structure sized and configured to be positioned between the spinous processes of two adjacent vertebrae. The device may have a body portion having a first end portion, a second end portion and a sleeve between the first and second end portions. The device may also have at least two retainers positioned in and extendable from the body portion. A mechanism positioned within the body portion may be used to move the retainers between a retracted position and a deployed position. When the retainers are in the deployed position, the retainers may be positioned around the spinous process of at least one of two adjacent vertebrae. A plurality of installation tools which may be used to install the device are also disclosed.01-08-2009
20090157087DELIVERY SYSTEM ATTACHMENT - A covering for delivering a substance or material to a surgical site is provided. The covering, with substance provided therein, may be referred to as a delivery system. Generally, the covering may be a single or multi-compartment structure capable of at least partially retaining a substance provided therein until the covering is placed at a surgical site. Upon placement, the covering may facilitate transfer of the substance or surrounding materials. For example, the substance may be released (actively or passively) to the surgical site. The covering may participate in, control, or otherwise adjust, the release of the substance.06-18-2009
20100106159Inserter For Minimally Invasive Joint Surgery Having an Interchangeable Prosthesis Engaging Piston - An acetabular inserter (04-29-2010
20120184966SURGICAL IMPACTOR - A surgical impactor (07-19-2012
20120184965Straight Cup Impactor With Lever Arm - An orthopedic impactor device for positioning an orthopedic prosthetic cup implant during a hip replacement surgery is described. The impactor is designed with a “one piece” elongated body portion, having a distal prosthetic cup engagement portion which is separated from a proximal strike plate by an annular sidewall. A handle portion is positioned circumferentially around the annular sidewall of the elongated body in a slidable relationship along a longitudinal axis. A rod, connectable to an orthopedic prosthetic cup, is positioned within a cavity of the body and connected to the proximal ring. A lever arm having a distal wedge portion is pivotally connected to the handle portion such that when the lever arm is pivoted towards the annular sidewall of the handle portion, the distal end of the rod moves within the body cavity.07-19-2012
20090125033SYSTEMS AND METHODS FOR VERTEBRAL DISC REPLACEMENT - Methods and instrumentation for implantation of an intervertebral disc prosthesis are provided. A guide tool with sagittal and coronal reference features guides placement of guide pins relative to a sagittal plane and a coronal plane of the vertebrae. A retainer lockable to the guide pins has a ratcheting mechanism providing distraction or compression. A rasp, planer or other tools may be aligned to the retainer and inserted into the intervertebral space to prepare the vertebral endplates. An interoperatively adjustable trial is alignable to the retainer and measures an angularity of the intervertebral space. A prosthesis with keying features may be mounted to a prosthesis inserter with complementary features, held by pivotable arms and compressed between prongs. The inserter may be aligned to the retainer and advanced to implant the prosthesis in the intervertebral space. A prosthesis remover may grip one prosthetic end plate and extract the entire prosthesis.05-14-2009
20090125032Rod removal instrument - A rod removal instrument for removing a rod from the seat of a vertebral anchor is disclosed. The rod removal instrument comprises an outer shaft connected to an inner shaft. The outer shaft has a rod receiving portion at its distal end. When placed in juxtaposition with the rod, the rod removal instrument is rotated to hook the rod into the rod receiving portion. The inner shaft is then moved distally with respect to the outer shaft to dislodge the rod from the seat and capture it in the rod removal instrument for removal from the surgical site.05-14-2009
20130046314HOLDER/IMPACTOR FOR CONTOURED BONE PLATE FOR FRACTURE FIXATION - A bone fixation plate for fixation of fractures having a small terminal bone fragment, such as fractures of the distal radius. The plate includes an elongated body, and two hook members extending from a first end of the elongated body. A contoured region is configured to approximate the surface contour of the distal radius proximate the volar rim, the dorsal rim, or the radial arm. Each hook member is configured to provide subchondral support to a distal bone fragment, without causing shortening of the fragment into the metaphyseal bone, and without providing a bending torque directed to the base of the plate. The tooth members of the hook plate are preferably sharpened at their tips and edges to facilitate their impaction. A holder/impactor for gripping the radial hook plate, and for further facilitating impacting of the hook plate without the need to pre-drill pilot holes, is also provided.02-21-2013
20130046313Systems and instrumentalities for use in removal of tibial prostheses of total ankle replacements - A system comprising instrumentalities and methods for removing intramedullary stem component pieces of a tibial implant from a distal tibia.02-21-2013
20090043312Articulating Transforaminal Lumbar Interbody Fusion Inserter Device and Associated Method of Use - The present invention provides an articulating TLIF inserter device operable for placing, positioning, and inserting a spinal implant into an intervertebral space with minimum tissue disruption and maximum inline impaction forces, including: an elongate shaft having a proximal end, a distal end, and an axis; an ergonomic handle disposed at the proximal end of the elongate shaft; an articulating joint mechanism disposed at the distal end of the elongate shaft; and an inserter piece coupled to the articulating joint mechanism, wherein the inserter piece is operable for selectively retaining the spinal implant, and wherein the articulating joint mechanism is operable for selectively actuating the inserter piece between one or more substantially off-axis configurations and a substantially on-axis configuration with respect to the elongate shaft. The articulating TLIF inserter device also includes a release mechanism disposed one of at and near the ergonomic handle, wherein the release mechanism is coupled to and operable for selectively actuating the articulating joint mechanism.02-12-2009
20090318929METHOD FOR MODELING A GLENOID SURFACE OF A SCAPULA, APPARATUS FOR IMPLANTING A GLENOID COMPONENT OF A SHOULDER PROSTHESIS, AND METHOD FOR PRODUCING SUCH A COMPONENT - An apparatus and modeling method of the present invention includes the successive steps of generating cartographic data representative of points belonging to a glenoid surface; distinguishing from among the cartographic data a first group of cartographic data corresponding to a first part of the glenoid surface, the first surface part being situated farthest down in the vertical direction in relation to the scapula; calculating from the first group of cartographic data a first ellipsoid portion that coincides substantially with the first surface part; and obtaining a theoretical glenoid surface from the first ellipsoid portion. By virtue of the theoretical glenoid surface obtained by this method, it is possible to assist the surgeon in optimizing the position of implantation of a glenoid component and to produce a glenoid component “made to measure” for the scapula that is to be fitted with a prosthesis.12-24-2009
20090270873SPINE SURGERY METHOD AND INSERTER - A surgical inserter for use in inserting an implant into a vertebral space may include: (a) a handle; (b) a gripper having one end attached to the handle and a second end having a pair of arms; and (c) a grip activator having an opening that threadingly receives the gripper. The grip activator can be rotated in a first direction with respect to the gripper to cause the arms to move toward each other to grip the inserter and in a second direction with respect to the gripper to cause the arms to move away from each other to release the inserter. In one embodiment a compression force activator is used to deploy the implant and in another embodiment a tension force activator is used to deploy the implant.10-29-2009
20090270874Modular hip inserter/positioner - A modular hip body/stem inserter comprises a stem inserter and a holder. A proximal body portion of an implant is loaded, or mounted, onto the holder. A distal stem portion of the implant is affixed onto the stem inserter. The modular hip body/stem inserter maintains the proximal body portion and distal stem portion a short distance apart. The stem inserter can be adjusted to control the version of the distal stem, while the holder can be independently adjusted to control the version of the proximal body. Once the version is adjusted to determine a final seating position, the stem inserter portion is removed and the holder is then used to impact the proximal body and distal stem together, thereby locking the implant components together through a taper locking mechanism.10-29-2009
20090264893SURGICAL TOOL - A surgical tool for removing a portion of an implant is provided that includes a housing, a motor contained within the housing and coupled to the housing, and an output shaft having a distal end and a proximal end opposite the distal end, wherein the proximal end is coupled to the motor and the distal end has an opening configured to rotateably engage an implant. The surgical tool further includes a counter-torque sleeve extending around the output shaft having a proximal end and a distal end opposite the proximal end, wherein the proximal end is coupled to the housing and the distal end is configured to couple to the implant relative to the counter-torque sleeve. Upon a rotational force to the implant, the forces transmitted by the output shaft and the counter-torque sleeve are balanced by the coupling of the output shaft and counter-torque sleeve through the housing.10-22-2009
20090012529DEVICE AND METHOD FOR DELIVERY OF MULTIPLE HETEROGENOUS ORTHOPEDIC IMPLANTS - An orthopedic coupling device is used for simultaneous attachment of multiple heterogeneous orthopedic components, such as a spacer and plate, for implantation in the body. The device coupler includes a coupling base, at least one coupling member configured to attach to one an orthopedic spacer while also trapping or clamping an orthopedic fixation plate between the coupling base and the orthopedic spacer. The orthopedic coupler device may have a detachable handle to facilitate access and visibility of the spacer and plate after initial implantation.01-08-2009
20090198244Instrument for Implanting a Wrist Prosthesis - A wrist instrument and methods for identifying a location for implantation of a wrist prosthesis are disclosed in the present application.08-06-2009
20080294172INSTRUMENT SET FOR MINIMALLY INVASIVE PREPARATION FOR BONE NAILING - An instrument set for minimally invasive preparation for a bone nailing comprises at least one base sleeve (11-27-2008
20090112218MODULAR TAPER ASSEMBLY DEVICE - An assembly tool for assembly of a first component of a prosthesis to a second component of the prosthesis for use in joint arthroplasty. The tool includes a housing defining a housing longitudinal axis thereof. An internal component is also provided and is connected to the second component and includes an actuating device and an actuator rod defining a second longitudinal axis that is coexistent with the housing longitudinal axis. The internal component is adapted to provide relative motion of the internal component with respect to the housing when the actuating device is moved relative to the housing in at least a direction transverse to the housing longitudinal axis and the actuator rod of the internal component is moved relative to the housing in a direction parallel to the housing longitudinal axis. The motion of the internal component is utilized to effect the motion of the first component with respect to the second component.04-30-2009
20110301613MODULAR IMPACTOR HEAD - A modular impactor head includes a load transfer member, a base, and a locking assembly. The base defines a space sized and configured to receive the load transfer member therein and to constrain movement of the load transfer member relative to the base in a plurality of directions. The locking assembly is sized and configured to constrain movement of the load transfer member with respect to the base in at least one direction such that the load transfer member is fixed to the base.12-08-2011
20110301612HOLDER FOR IMPLANTATION AND EXTRACTION OF PROSTHESIS - Disclosed is an implant holder for an implant device comprising a locking mechanism that in a first position causes a clamp coupled to an implant device to lock such that the clamp cannot be decoupled from the implant device, and in a second position causes the clamp to unlock the implant device such that the clamp remains coupled to the implant device in the absence of a sufficient decoupling force but is decoupled from the implant device in the presence of a sufficient decoupling force. Also disclosed are methods of implanting an implant device using an implant holder by coupling the implant device to the implant holder, locking the implant device and the implant holder, emplacing the implant device utilizing the implant holder, unlocking the implant device and the implant holder such that the implant device is still coupled to the implant holder but can be decoupled with sufficient force.12-08-2011
20090281551METHODS AND APPARATUS FOR INSERTION OF INTERVERTEBRAL IMPLANTS AND DEVICES THEREFOR - Surgical device and methods for using same for distraction of adjacent vertebrae and insertion of an intervertebral implant material thereinbetween are disclosed. In a method, a leading end of the surgical device having major and minor dimensions is inserted between adjacent vertebrae with the minor dimension aligned in the rostral-caudal direction, and then the leading end is rotated to a second orientation to align the major dimension with the rostral-caudal direction. The surgical device includes slots permitting expansion thereof to allow an implant to be disposed from the leading end into the intervertebral space. In another form, the a first member of a surgical device is initially inserted in an orientation, and second member is moved relative to the first member to expand the first member for distracting the vertebrae, the implant then being disposed from the leading end into the intervertebral space.11-12-2009
20100114105SYSTEM AND METHOD FOR VERTEBRAL INTERBODY FUSION - A surgical inserter and a fusion cage system which may provide for simplified fusion cage attachment and positioning. The inserter may comprise a collapsible collet with a locking rod. The fusion cage with a rectangular cross-section head may be secured to the inserter through the reverse tapered aperture of the fusion cage. The collet may be inserted into the reverse tapered aperture and the locking rod may control collapse of the collet. The collet may lock the fusion cage to the inserter allowing simplified manipulation of the collet with the inserter. The inserter with the attached fusion cage is inserted into a surgical patient. The fusion cage may be positioned within an intervertebral space. The locking rod may be withdrawn from the collet allowing collapse and withdrawal of the collet from the fusion cage leaving the fusion cage positioned between two vertebrae and the inserter withdrawn from the surgical patient.05-06-2010
20100100100SURGICAL INSTRUMENT AND METHOD OF USE FOR INSERTING AN IMPLANT BETWEEN TWO BONES - The surgical instrument includes a handle assembly and an elongate body that has first and second ends with the first end being located adjacent to the handle assembly and the second end being moveably connected to an implant engagement assembly. The surgical instrument also has a length control mechanism that includes a gripping portion, a drive shaft and a gear assembly. The surgical instrument further has a locking mechanism that includes a gripping portion, a connecting rod and a coupling end. The length control mechanism functions to adjust the overall length of an implant that is held by the implant engagement assembly before being implanted in vivo. The locking mechanism operates to secure the overall length of the implant following final length adjustment and implantation. A surgical method for using the surgical instrument, a method of fabrication and a spinal implant insertion kit is also disclosed.04-22-2010
20100100101Operating Instrument for a Height-Adjustable Spinal Implant - A height-adjustable implant for insertion between vertebrae, includes first and second sleeve parts which are rotationally fixed in coaxial alignment and interconnected in an axially displaceable manner. The first sleeve part has an internal thread. A nut is positioned coaxially in an inner space surrounded by the sleeve parts and is fixed to the second sleeve part so that it can rotate but is axially fixed. The nut has an external thread which engages in the internal thread of the first sleeve part. A toothed ring extends coaxially with the central longitudinal axis of the sleeve parts and is located on the nut. The second sleeve part has a radial access opening in the vicinity of the toothed ring. An operating instrument for activating the implant adjustment includes a handgrip and a shaft extending through the handgrip, a rotary grip carried on one end and another end carrying a toothed wheel for rotational actuation of the nut in the interior space of the implant.04-22-2010
20100087830Endplate Preparation Instruments and Methods of Use - The present application is directed to instruments and methods for preparing a space between vertebral members. One embodiment of the instrument may include an elongated shaft with a proximal end and a distal end. A blade may be positioned at an end of the shaft and may rotate about an axis. The blade may include one or more teeth that include a height and/or contour. During rotation of the blade, the teeth contact and cut into one of the vertebral members. The instrument may also include a depth stop that limits a depth that the teeth can cut into the vertebral member. In some embodiments, the instrument includes a second blade that is configured to cut into the second vertebral member.04-08-2010
20090182341INSTRUMENT SET FOR FITTING AN INTERVERTEBRAL JONT PROSTHESIS - An instrument set for fitting an intervertebral prosthesis includes a guide device for an instrument or a prosthesis part, which guide device is to be secured on at least one vertebral body. In order to attach the guide device precisely on the vertebral bodies despite difficult operating conditions, an adjustment instrument is provided which positions the guide device when this is being arranged on the vertebral body. This adjustment instrument may include an intervertebral plate which is fitted into the intervertebral space so as to be positioned exactly in relation to the vertebral bodies.07-16-2009
20090182340SAFETY NEEDLE FOR ACCESSING THE INTERIOR OF A HIP JOINT - A safety needle comprising a handle; a hollow needle; a trigger carriage; an obturator; a spring; a trigger; a first latch and a second latch; the first latch, second latch and trigger being configured so that when the trigger carriage is in a distal position and the first latch set, and the trigger is thereafter pulled proximally, the first latch is released and the trigger carriage moves proximally into a proximal position, and thereafter releasing the trigger causes the trigger carriage to move into an intermediate position and set the second latch; and further wherein, when the trigger carriage is in its intermediate position and the distal end of the obturator engages tissue, the trigger carriage is moved proximally so as to release the second latch.07-16-2009
20090281550INSERTION INSTRUMENT FOR JOINT SOCKETS OF PROSTHESES - An insertion instrument comprising an elongate shaft, a suction head provided at the front end thereof for connection to a joint socket, a suction device with a piston guided in the shaft, a suction line opening out at the suction head, and an actuating element which is guided along a guiding track on the shaft. The guiding track can be helically shaped and have a locking arrangement, preferably in the form of a recess, for the actuating element in a suction position. Due to the helical shape of the guiding track, the actuating element executes a rotational and longitudinal movement during its displacement. The longitudinal movement produces a negative pressure in the suction line ensuring maintenance of the pressure, while the rotating movement causes rotation of the actuating element such that it reaches its locking position at the end of the guiding track, providing simplified handling of the instrument.11-12-2009
20080275456INSTALLATION SYSTEMS FOR SPINAL STABILIZATION SYSTEM AND RELATED METHODS - A system for implantation of a spinal stabilization system includes a vertebral anchor having a top portion. The top portion has a perimeter and a first engaging element. The first engaging element has a first longitudinal axis that is generally parallel to a second longitudinal axis of the top portion. The perimeter extends around the second longitudinal axis. The system also includes a driving tool that has a second engaging element that is configured to cooperate with the first engaging element to substantially restrict rotation of the driving tool relative to the top portion about the second longitudinal axis. The first engaging element is configured to slidably receive the second engaging element in a direction along the first longitudinal axis, and the second engaging element is configured to extend substantially within the perimeter of the top portion.11-06-2008
20080275455Apparatus and Methods for Inserting an Implant - A system and method for inserting an implant into a cavity is disclosed, which may include advancing an implant insertion instrument toward a pair of adjacent bodies, the implant insertion instrument having two opposed ramps, wherein each ramp has a distal tip and wherein the longitudinal axes of the opposed ramps are separated by an initial angle; inserting the distal tips of the opposed ramps between the adjacent bodies, thereby creating an initial interbody cavity between the adjacent bodies; expanding the interbody cavity while maintaining the initial angle between the longitudinal axes of the opposed ramps; placing the implant in a final location between the adjacent bodies; transferring a compressive force urging the adjacent bodies together from the opposed ramps to the implant; and extracting the implant insertion instrument from the interbody cavity.11-06-2008
20100292704IMPLANT INSERTER DEVICE - An implant inserter device having an outer collar, an inner sleeve slidably and rotatably received within the outer collar, and a push rod slidably received within the inner sleeve. The outer collar has at least one cammed surface formed on an interior surface thereof, while the inner sleeve has at least one rib projecting outwardly from an exterior surface thereof. The rib is releasably engageable with the cammed surface when the inner sleeve is rotated relative to the outer collar. As a result, a distal end of the inner sleeve collapses from an undeformed position, in which the inner sleeve does not grip an implant housed therein, and a deformed position, in which the inner sleeve grips the implant. The push rod is movable between an extended position and a retracted position for urging the implant through and from the inner sleeve for insertion into a defect in damaged cartilage and bone.11-18-2010
20080249531Instruments and methods for minimally invasive insertion of dynamic implants - Instruments and methods for dynamic implant placement into a desired location in the patient include a guide instrument that defines a minimally invasive pathway to an implantation location and an inserter instrument guided by the guide instrument to position the dynamic implant along the pathway to the implantation location. The guide instrument can be referenced to the implantation location by mechanical connection or image guided navigation.10-09-2008
20080249532Securing device to secure fixation devices to bone portions - The present invention discloses a securing device that is used to secure a fixation device to two bone portions to promote healing between the two bone portions. The bone portions commonly include a skull bone portion and a skull bone flap or implant, and the fixation device is commonly a cranial clamp. The securing device provides for securing the fixation device in a uniform, single movement as opposed to currently available products. The securing device has two handles pivotably connected, and a gripping means moveably associated with one handle. As the handles are activated, the gripping means travels proximally along the one handle and grips an elongated section of the fixation device and exerts a tensioning force along the shaft of the elongated section prior to the cutting means cutting the elongated shaft to secure the fixation device in place.10-09-2008
20110270261ANTERIOR DISTRACTOR-INSERTER WITH LINEAR COUNTERSINK ADJUSTMENT - An embodiment of a method includes selecting a countersink depth setting with a linear countersink adjustment mechanism of a distractor-inserter, positioning distal ends of blades of the distractor-inserter between the two vertebral bodies to be separated, driving a head block assembly of the distractor-inserter forward until the retraction members of the distractor-inserter engages respective outer faces of the vertebral bodies, and retracting the distal ends of the blades and the tip from between the vertebral bodies, wherein the vertebral bodies compress the disc implant and hold the disc implant between the vertebral bodies at the countersink depth. A distractor-inserter includes first and second retraction members disposed within channels of the blades, and a countersink adjustment mechanism configured to linearly adjust a distance between a tip and the retraction members to thereby linearly adjust a countersink depth of an implantable element inserted between two distracted elements.11-03-2011
20080287956INSTRUMENTS FOR IMPLANTING IMPLANTABLE PROSTHESES - An instrument including a grip portion, a first substantially rigid extension arm projecting outwardly from the grip portion along a first longitudinal axis, and a second substantially rigid extension arm projecting outwardly from the grip portion along a second longitudinal axis. The first has a straight portion adjacent the grip portion that lies substantially within a first plane, and a distal portion extending from the straight portion to a first distal end along a length of which the first extension arm extends upward relative to the first plane and rotates about its first longitudinal axis. The second has a second straight portion adjacent the grip portion that lies substantially within the first plane, and a second distal portion extending from the straight portion to a second distal end along a length of which the second extension arms extends downward relative to the first plane and rotates about its longitudinal axis.11-20-2008
20080287957INSERTION BLADE ASSEMBLY AND METHOD OF USE - A spinal implant insertion device is hereby provided. The device includes an insertion blade assembly having a set of opposed insertion blades wherein the assembly is adapted to slide from a retracted position to an extended position relative to an elongate shaft. In the extended position, a blades are adapted to be positioned above and below a portion of a spinal implant so as to shield the portion of the implant during delivery to an intervertebral space. The insertion blades assembly can also be modular so as to utilize a wide range of distinct insertion blades. Additionally, a method for delivering a spinal implant to an intervertebral space is herein provided. Like above, the method utilizes an insertion blade assembly adapted to slide along a shaft of a spinal implant insertion device.11-20-2008
20080306488Inserter for a spinal implant - An inserter for implanting an intervertebral spacer into a spinal disc space is disclosed. The inserter comprises a jaw assembly connected to a shaft assembly that is connected to a handle assembly. The user operates the handle assembly to open and close the jaw assembly to thereby connect to and release from the intervertebral spacer. Furthermore, the handle assembly is operable to lock and unlock rotation of the jaw assembly while still connected thereto to permit angulation of the jaw assembly relative to the shaft assembly without losing hold of the intervertebral spacer.12-11-2008
20080269764SPINAL IMPLANT DISTRACTOR/INSERTER - A vertebral distractor-inserter comprising a housing, a pair of opposing arms in mechanical communication with the housing, a driving rod extending through at least a portion of the housing and between the arms, wherein the driving rod comprises an axis and a surface with a plurality of angled ratchet teeth on at least a portion of the surface, and a ratchet drive mechanism in mechanical communication with the driving rod. A vertebral distractor-inserter comprising a pair of opposing arms, a housing in mechanical communication with the arms and rotatable about an axis extending between the arms, and a driving rod extending through at least a portion of the housing and between the arms. A vertebral distractor-inserter adapted for single-handed use. A vertebral distractor-inserter having an implant depth adjustor. Methods for distracting adjacent vertebrae and inserting an implant using the devices described herein.10-30-2008
20080269766INTRAVERTEBRAL REDUCTION DEVICE WITH RETENTION BALLS - An intravertebral reduction device is disclosed and can include a handle assembly and a shaft assembly extending from the handle assembly. The shaft assembly can be configured to create a space within a bone and deliver one or more retention balls to the space within the bone.10-30-2008
20080269762METHOD AND DEVICE FOR REPAIR OF CARTILAGE DEFECTS - Methods for repairing a cartilage defect in a subject, such methods comprising placing a tissue specimen into a container, centrifuging the container to separate the specimen into at least three fractions, drawing a selected fraction from the container, processing the fraction into a therapeutic composition, and treating the cartilage defect with the therapeutic composition.10-30-2008
20080269763IMPLANT TOOL TO FACILITATE MEDICAL DEVICE IMPLANTATION - The disclosure is directed to an implant tool used to facilitate the implantation of a medical device into a patient. The implant tool includes a housing that is held by a user and a needle attached to the housing. The needle is configured so that a cannula may be positioned over the needle and delivered to the target tissue. The implant tool also includes a release mechanism that pushes the cannula off of the needle. The release mechanism may help the user to keep the cannula at the desired location while removing the needle from the cannula. The implant tool may also include a flange that extends from the housing adjacent to a side of the needle such that the user may provide force against the needle during advancement of the needle into the patient.10-30-2008
20090030422Implant insertion device and method - A method and system for insertion of an implant is disclosed. One embodiment of a system for use in implanting a spinal prosthesis incorporating principles of the invention includes an insertion assembly housing with a channel extending from a distal end portion to a proximal end portion, a gripper having a prosthesis coupling portion for coupling with a spinal prosthesis and an end portion, and a coupler member having a gripper coupling portion rotatably positioned within the channel and configured to couple with the end portion of the gripper within the channel.01-29-2009
20100004659Cavitation Depth, Perforation Confirmation and Implant Delivery Tool - Methods and tools that insert implants for the treatment of snoring and sleep apnea in a cavity created in the patient's tissue are disclosed. Some tools and methods can additionally verify that the cavity has proper cavitation depth and does not have unwanted perforations. The tools include: a sheath having a substantially flat portion for housing an implant, the sheath having a distal end and a proximal end, the sheath having a hollow collar on the proximal end, an insertion depth mark near the distal end, and a slit on the distal end, the slit being in fluid communication with the hollow collar; a substantially rigid pusher configured to be disposed within and in slidable engagement with the sheath, the pusher having a distal end and a proximal end, the pusher having a rigid body having an outside diameter for slidably engaging with the hollow collar of the sheath, a tip on the distal end for engaging a proximal end of an implant, and a lumen extending from said proximal side to said distal side of said rigid body, the lumen configured for fluid communication with a syringe at the proximal end and in fluid communication with the sheath at the distal end.01-07-2010
20090326542Instrumentation for properly seating an artificial intervertebral disc in an intervertebral space - Instrumentation for implanting an artificial intervertebral disc includes a leveler for setting the proper position of the artificial intervertebral disc, the leveler including at least two tines extending parallel to one another from the leveler shaft distal end, wherein the tines are spaced and sized to be insertable and fittable between baseplates of the disc and to substantially fill at least a height of a separation space volume between the baseplates, and to straddle a central coupling of the baseplates during the insertion and when so fitted, such that when the baseplates are substantially non-parallel to one another in the intervertebral space, insertion of the tines into the intervertebral space between the baseplates and straddling the central coupling forces the baseplates into a substantially parallel orientation relative to one another. 12-31-2009
20090326543SPINE SURGERY METHOD AND EXTRACTOR - A surgical extractor for use in extracting an implant from a vertebral space may include: (1) a handle, having an opening, for use by a surgeon in maneuvering the surgical extractor; and (2) an implant gripping mechanism having: (a) a first grip member with one end attached to the handle and a second end with a first contact surface; and, (b) a second grip member with one end threaded in engagement to the opening in the handle and a second end with a second contact surface. The handle can be rotated with respect to the second grip member to cause the first and second contact surfaces to move relatively toward each other to grip the implant so that the implant can be extracted from the vertebral space.12-31-2009
20090012527Anterior spinal interbody fusion delivery system - Methods and apparatus are described for a surgical instrument and for methods of using a surgical instrument. A method includes providing a surgical instrument comprising a clear passageway, a first stationary finger, a first adjustable finger, and a first pull nut; inserting the first stationary finger and the first adjustable finger between two vertebrae; rotating the first pull nut with a hex drive, thereby separating the first adjustable finger from the first stationary finger and distracting the two vertebrae; removing a damaged disc from between the two vertebrae; and inserting an implant through the clear passageway and placing the implant between the two vertebrae. An apparatus includes a tray having a base, a first side wall, a second side wall, a distal end and a proximal end, and wherein the base, the first side wall, and the second side wall define a passageway; at least one first finger coupled to the distal end of the tray; at least one second finger coupled to the distal end of the tray; at least one pull nut coupled to the proximal end of the tray; and wherein rotation of the at least one pull nut adjusts a distance between the at least one first finger and the at least one second finger.01-08-2009
20090222019IMPLANT INSERTION DEVICE - Methods and devices are provided for measuring and/or controlling an amount of force applied to an implant or other element. In certain exemplary embodiments, an implant inserter tool is provided that includes a shaft having a proximal end that is adapted to receive a force and a distal end that is adapted to contact an implant. The inserter tool also include a force controlling element coupled to the shaft. In use, the distal end of the tool can be placed in contact with an implant or other element, and a force can be applied to the proximal end of the tool to drive the implant or other element into bone. The force controlling element can measure the amount of force applied to the inserter tool, thereby measuring the force applied to the implant or other element.09-03-2009
20080306489Inserter for a spinal implant - An inserter for implanting a spinal implant such as an intervertebral spacer into a spinal disc space is disclosed. The inserter comprises a jaw assembly connected to a shaft assembly that is connected to a handle assembly. The user operates the handle assembly to open and close the jaw assembly to thereby connect to and release from the implant. Furthermore, the handle assembly is operable to lock and unlock rotation of the jaw assembly while still connected thereto to permit angulation of the jaw assembly relative to the shaft assembly without losing hold of the implant.12-11-2008
20090030419SPINAL ROD REDUCTION INSTRUMENTS AND METHODS FOR USE - Methods and devices are provided for reducing a spinal fixation element into a spinal implant element. In one exemplary embodiment, a spinal rod reduction device is provided for reducing a spinal fixation element into a spinal implant element. The spinal rod reduction device can include a fastener engaging member for engaging at least a portion a spinal implant element, a reduction member for engaging at least a portion of a spinal fixation element, and a handle assembly mated to the reduction member. The handle assembly can be designed in such a way that actuation of the handle assembly causes movement of the reduction member relative to the fastener engaging member and the movement of the reduction member reduces the spinal fixation element into the spinal implant element. Two different styles of spinal rod reduction devices are discussed in detail. Various techniques are also provided for reducing a spinal fixation element into a spinal implant element.01-29-2009
20090030420SPINAL ROD REDUCTION INSTRUMENTS AND METHODS FOR USE - Methods and devices are provided for reducing a spinal fixation element into a spinal implant element. In one exemplary embodiment, a spinal rod reduction device is provided for reducing a spinal fixation element into a spinal implant element. The spinal rod reduction device can include a fastener engaging member for engaging at least a portion a spinal implant element, a reduction member for engaging at least a portion of a spinal fixation element, and a handle assembly mated to the reduction member. The handle assembly can be designed in such a way that actuation of the handle assembly causes movement of the reduction member relative to the fastener engaging member and the movement of the reduction member reduces the spinal fixation element into the spinal implant element. Two different styles of spinal rod reduction devices are discussed in detail. Various techniques are also provided for reducing a spinal fixation element into a spinal implant element.01-29-2009
20090030421Implant engagement method and device - A method and system for engaging an implant with a bone is disclosed. In one method incorporating principles of the invention, a bone is engaged with an implant by placing a first surface of an implant adjacent to a first bone portion, contacting the first bone portion with at least one first engagement member extending from the first surface, controlling an agitator to agitate the first surface of the implant and the at least one first engagement member, generating at least one first surface feature in the first bone portion with the agitated at least one first engagement member, stilling the first surface implant and the at least one first engagement member and settling the stilled at least one first engagement member into engagement with the at least one first surface feature.01-29-2009
20090030423Inter-Body Implantation System and Method - A system for implanting an interbody device between adjacent vertebrae comprises an interbody device having a plurality of lobes extending outwardly from a longitudinal rib, and having a relaxed shape approximating the shape of the disc being replaced. An insertion guide is provided having a bore therein from a proximal end to a distal end thereof to accept said interbody device in an unrelaxed shape, wherein said distal end is shaped for insertion into an intervertebral space. The insertion rod may be positioned within said bore of said insertion guide whereby said interbody device is positioned within said intervertebral space by advancing said insertion rod into said insertion guide.01-29-2009
20090198245TOOLS AND METHODS FOR INSERTION AND REMOVAL OF MEDICAL IMPLANTS - Medical devices and related methods for the treatment of spinal conditions are described herein. In one embodiment, an apparatus includes a first elongate member that defines a lumen and a second elongate member that is movably disposed within the lumen of the first elongate member. A distal end portion of the first elongate member is configured to be releasably coupled to a spinal implant. A distal end portion of the second elongate member includes a driving member configured to engage an actuation member of the spinal implant when the first elongate member is coupled to the spinal implant. The driving member is configured to rotate the actuation member to move the spinal implant between a collapsed configuration and an expanded configuration. The first elongate member configured to secure the spinal implant to the first elongate member.08-06-2009
20090198246Instruments, implants and methods for positioning implants into a spinal disc space - Instruments, implants and methods are provided for positioning spinal implants in a spinal disc space between adjacent vertebrae. The instruments provide a low profile engagement with the implants and facilitate insertion while minimizing tissue retraction and exposure of the tissue and neural elements to the instrumentation in the approach to the disc space.08-06-2009
20090216241Instrumentation and Methods for Inserting an Intervertebral Disc Prosthesis - Embodiments of instrumentation and methods are provided for the insertion of intervertebral disc prosthesis. The instrumentation of the embodiments comprises a guide comprising at least two lateral faces, at least one upper plate, at least one lower plate, at least one retainer, a cage defining an insertion axis for the prosthesis, and an angle adjuster adapted to adjust an angle formed by the insertion axis and an antero-posterior sagittal axis; and at least one separator sized to maintain a gap between the upper vertebra and the lower vertebra. Methods for implanting a prosthesis using the disclosed instrumentation comprise implanting a pin in the median sagittal axis of a vertebrae; measuring the dimensions of the intervertebral space; choosing the prosthesis; choosing the guide; adjusting the angle adjuster; positioning the guide adjacent to the intervertebral space; inserting the prosthesis into the guide; and inserting the prosthesis into the intervertebral space.08-27-2009
20080262504Femoral ring loader - An instrument for inserting an implant between vertebral bodies, including a holder adapted to hold the implant during insertion of the implant between the vertebral bodies, a retractor adapted to retract the holder away from the implant after the insertion, and a guard adapted to prevent the implant from being removed from between the vertebral bodies during the retraction.10-23-2008
20090209967IMPLANT INSERTION APPARATUS AND METHOD OF USE - An apparatus for use with a spinal implant includes a handle structure with a passage. A shaft with a screw thread is moveable within the passage in the handle structure. A pusher block is linked to the shaft, and has a forward surface configured to engage the spinal implant. A screw-threaded clutch member is supported on the handle structure for movement into and out of engagement with the screw thread on the shaft.08-20-2009
20090216240SURGICAL INSERTION DEVICE FOR USE IN ORTHOPEDIC SURGERY - A device, and a method for using it, for implanting a cup liner within a cup attached to the acetabulum of the hip bone, during hip replacement surgery. In a preferred embodiment, the device includes a main body with proximal and distal ends. The distal end may terminate in a liner seat and an engaging mechanism. Initially, the engaging mechanism may be coupled to the cup liner; a slight retraction of the engaging mechanism relative to the main body and liner seat may be sufficient to properly seat the cup liner on the liner seat. The device is now used to place the cup liner within the cup. The engaging mechanism may again be retracted to disengage the cup liner from the engaging mechanism, without dislodging the cup liner from the cup.08-27-2009
20080319447Device for the Application of Resilient Material Between Vertebras - A device is used for inserting resilient material between the vertebras in a spinal column. The device incorporates first and second units which support portions arranged to cause a separating action upon the vertebras via surfaces present thereon. The separating actuation by means of the portions can be effected by means of an actuating member at or on one or both of the units or portions respectively. Insertion of the resilient material is arranged to take place at a separation height exceeding the height of the material. In such a manner is obtained a tool which is efficiently operating and comparatively technically simple for separating vertebras.12-25-2008
20090248027INSTRUMENT FOR HANDLING A JOINT COMPONENT OF A JOINT PROSTHESIS - Instrument (10-01-2009
20090240255Osteogenic packing device and method - An osteogenic material packing device is used to pack osteogenic material onto a spinal fusion device. The packing device has a cavity defined therein, which is adapted to receive the spinal fusion device. The packing device further includes an access port, which intersects the cavity to receive the osteogenic material. A cannula is coupled to the packing device and an inserter is coupled to the fusion device in order to insert the fusion device into the packing device. Osteogenic material is packed through the access port around the fusion device. The fusion device then is slid through the cannula and inserted in the intervertebral space between adjacent vertebrae.09-24-2009
20090048604Insertion instrument for intervertebral implants - An insertion tool for positioning intervertebral spacers into disc spaces. The insertion tool has a proximal end and a distal end, a T-handle secured to the proximal end and a pair of alignment rails extending to the distal end. The insertion tool includes a handle secured to the proximal end of the guide rails, and a shaft that extends through the handle, whereby the shaft has a threaded portion that extends to the T-handle. The insertion tool also includes a blocker that is secured to the distal end of the shaft. The blocker includes stop arms that guide the blocker through the guide rails and toward the distal end of the shaft. The blocker may be provided in a plurality of different sizes corresponding to the sizes of the implants to be inserted into a disc space. A lock is provided for locking the implant to the shaft.02-19-2009
20100262155ACETABULAR SHELL REMOVAL TOOL - A tool for separating an acetabular shell of a hip prosthesis from the surrounding pelvic bone includes a fixture which attaches to the acetabular shell and has a chisel guide mounted on it. A chisel associated with the chisel guide is curved to conform to the outer periphery of the acetabular shell, and the chisel guide causes the chisel to circumscribe the acetabular shell as the chisel is inserted between the acetabular shell and the pelvis.10-14-2010
20100228259ACETABULAR SHELL REMOVAL INSTRUMENT - An acetabular shell or cup removal instrument is disclosed. The instrument includes a first end capable of being received within an acetabular cup and a cutting element pivotally attached. Cutting motion is provided to the instrument by a powered handpiece, so that the cutting element is capable of cutting a bone surface adjacent to an outer surface of the acetabular cup when the first end is within the acetabular cup.09-09-2010
20090076519SYSTEM, METHOD AND TOOL FOR ENSURING CORRECT INSERTION OF AN ARTIFICIAL HIP JOINT - The present invention relates to the area of orthopaedic surgery, and in particular to a system for ensuring that prosthesis components or parts thereof are inserted correctly upon implantation of artificial hip joints and to methods for ensuring correct insertion of the parts of an artificial hip joint or femoral prosthesis during surgery. This system comprises a tool (03-19-2009
20100222784Insertion device and techniques for orthopaedic implants - Instruments for inserting an implant in a space between adjacent bony portions include a pair of parallel guide members extending distally from a proximal frame portion. Tamps and impaction instruments facilitate advancement of the implant between the guide members to the space between the adjacent bony portions.09-02-2010
20120143204PROSTHETIC INSERTER - A prosthetic inserter includes an inserter head having at least first and second bosses, at least one of the bosses movable from a first position to a second position, that couple the inserter to a femoral provisional component via a pair of corresponding apertures, such as drill holes, within the articulating surfaces of a selected one of a series of femoral provisional components. Each provisional component of the series is capable of having different aperture distances measured between a respective pair of apertures. The bosses of the inserter are biased into an engagement position in which the inserter can be secured to a femoral provisional component to eliminate the need for an external engagement force to be supplied to the inserter.06-07-2012
20100262154IMPLANT INSERTION APPARATUS AND METHOD OF USE - An apparatus for use with a spinal implant includes a handle structure with a passage. A shaft with a screw thread is moveable within the passage in the handle structure. A pusher block is linked to the shaft, and has a forward surface configured to engage the spinal implant. A screw-threaded clutch member is supported on the handle structure for movement into and out of engagement with the screw thread on the shaft.10-14-2010
20090318928Method and Device for Inplant Deployment - A surgical implant insertion system for deployment and removal of an implant into a vertebral body. The system includes an actuation rod, an actuator handle coupled to the actuation rod, and an inserter locking tube disposed over the actuation rod and coupled to an inserter handle. Upon insertion of the implant into the vertebral body using the inserter handle, the actuator handle is turned causing the actuation rod to expand or compress the implant disposed at a distal end of the inserter locking tube.12-24-2009
20090112220Manipulating Tool for a Medical Implant, Medical Implant and Kit of Parts Comprising a Manipulating Tool and Implant - A manipulating tool for a medical implant includes an actuating rod. The rod has a rear end with a grip part and a fixing element at the front end for the releasable axial fixing of the implant. The implant has a counter element suitable for fixing, which has at least two undercuts spaced apart relative to an axis of its body with one respective holding surface oriented in the direction of the interior of the body. The manipulating tool has at least two clamping jaws being at a radial distance from the central longitudinal axis of the actuating rod, for engaging behind the undercuts on the implant side. The clamping jaws are spaced apart in the peripheral direction. A kit for implant medicine includes a medical implant and a corresponding manipulating tool.04-30-2009
20090112219TAPER SLEEVE EXTRACTOR - An extractor for extracting a first component used in an orthopaedic implant from a second component used in an orthopaedic implant. The extractor includes a handle and an extractor tip. The extractor tip has a proximal end and a distal end. The proximal end connects to the handle and the distal end includes a flexible portion adapted to engage the first component.04-30-2009
20090112215OPTO-ELECTRIC INDICATORS FOR ORTHOPAEDIC INSTRUMENTS - An instrument for use in implanting a joint prosthesis into a bone. The instrument includes a rod having a proximal end and a distal end, the proximal end includes a visual indicator. The instrument also includes a housing, such that the rod is moveable in a longitudinal direction relative to the housing. The visual indicator is capable of emitting light when the instrument is in use. As the rod moves in the longitudinal direction, the visual indicator enters into the housing, causing the light emitted to disappear.04-30-2009
20090105713Deployment handle for an implant deployment device - A deployment handle for an implant deployment device (04-23-2009
20100312250METHODS AND APPARATUS FOR DELIVERING STAPLES TO A TARGET TISSUE - A device for attaching a sheet-like implant to a target tissue includes a pilot member and a staple push rod. In some embodiments, the pilot member has a distal end and at least a pair of prongs extending from the distal end. The prongs are configured to form pilot holes when the distal end of the pilot member is pressed against the target tissue. The staple push rod is disposed within at least a portion of the pilot member and slidable relative thereto. The staple push rod includes at least a pair of stakes. Each stake is dimensioned to engage a surface of a staple to apply pushing forces thereto. Each stake is positioned relative to a prong along an inner surface of the pilot member so that the stakes advance into the pilot holes when the stakes are moved in a distal direction. Methods for attaching a sheet-like implant to a target tissue are also disclosed12-09-2010
20110009872IMPLANT DELIVERY DEVICE AND METHOD - An implant delivery device (01-13-2011
20110054485METHOD AND APPARATUS FOR DELIVERING A PROSTHETIC FABRIC INTO A PATIENT - An introducer and method for delivering a prosthetic fabric into a patient. The introducer includes a delivery tube having a distal end adapted to be inserted into the patient and a lumen that receives the prosthetic fabric. A loader may be provided to reconfigure the prosthetic fabric from a first configuration to a collapsed configuration and/or to insert the collapsed fabric into the lumen of the delivery tube. A plunger may be provided to push the prosthetic fabric through the delivery tube and into the patient. The loader and plunger may be combined in a dual-purpose component that is reversible to either load the fabric into the delivery tube or push the fabric through the delivery tube.03-03-2011
20090054901INSERTER DEVICE USED FOR ORTHOPEDIC SURGERY - A surgical tool for inserting an implant in a vertebral body. The surgical tool includes a shaft with a shaft thread adapted to engage the implant, a piston coupled to the shaft thread to articulate the implant from a starting linear position to a final curvilinear position, an actuator coupled to the piston to adjust a position of the implant, and an annular structure surrounding the shaft to increase a stability of an end part of the implant on an impact of insertion. A screw attached to the piston may lock the end part of the implant. A lock lever may lock the position of the piston in at least one position, and a knob may disengage the implant from the surgical tool.02-26-2009
20100217272Method and apparatus for positioning implant between spinous processes - A method and apparatus for positioning an implant between spinous processes, generally comprising a cannula for percutaneous insertion between the spinous processes, an obturator that can be removably mounted within the cannula and is slidable therein so that an inner end thereof can moved inwardly beyond an inner end of the cannula, and an implant that is constructed to be movable within the cannula when the obturator is removed therefrom for positioning between the spinous processes. In accordance with the method, an insertion is made through the skin on one side of the rear portion of the spine, the cannula having the obturator slidably movable therein is inserted inwardly through the incision so that the inner end of the cannula is positioned between the spinous processes, the obturator is removed from the cannula, the implant is inserted within the cannula and moved therein to a position between the spinous processes, and the cannula is removed from the implant. The implant may be retained between the spinous processes when the cannula is removed therefrom by inflating the implant or mechanically expanding it.08-26-2010
20090312766IMPACTOR - An impactor for positioning and holding a surgical or veterinary prosthetic implant whilst it is being driven into position, said impactor including: (a) an impaction means; (b) an impaction shoe which is configured to receive and support a prosthetic implant in a predetermined position; (c) connection means which connect the impaction means to the impaction shoe and are configured to transmit an impact from the impaction means to the impaction shoe; (d) arms configured to engage an implant supported upon the impaction shoe; (e) said arms being biased into engagement with said implant, but movable against the bias out of engagement with the implant; (f) said connection means being adjustable between a first setting at which the impaction shoe is spring-loaded so as to bias an implant supported upon the impaction shoe into engagement with said arms but at which the impaction shoe can slide relative to said arms, against said spring bias; and a second setting at which both the impaction shoe and the arms are rigidly engaged with an implant supported upon the impaction shoe, to hold the implant in a predetermined position and orientation relative to the impaction means.12-17-2009
20100069914Methods and instrumentation for inserting intervertebral grafts and devices - Instruments for inserting an implant in a space between adjacent bony portions include upper and lower guide members separated by a spreader with the implant positioned forwardly of the spreader. The spreader is movable forwardly between the guide members with a drive member to position the implant in a space between the bony portions. The spreader contacts the adjacent bony portions to facilitate withdrawal of the inserter instrument when the implant is positioned in the space.03-18-2010
20090216239Positioning Device for a Prosthesis Device and System Therefore - A positioning device (08-27-2009
20110082462TOOL, KIT-OF-PARTS FOR MULTI-FUNCTIONAL TOOL, AND ROBOTIC SYSTEM FOR SAME - A tool includes a housing including a receiving portion configured to receive at least a portion of an operating member so as to permit rotation of the operating member relative to the housing while constraining movement of the operating member in a radial direction of the operating member. The tool also includes a coupling device disposed on the housing and configured to couple the operating member to the housing so as to permit rotation of the operating member relative to the housing. The coupling device includes a retaining member configured to engage the operating member to constrain movement of the operating member relative to the housing in a longitudinal direction of the operating member. The retaining member is configured to rotate relative to the housing.04-07-2011
20110257656TAPER SLEEVE EXTRACTOR - A kit for use in orthopaedic surgery. The kit includes a plurality of heads, at least two of the plurality of heads having a different diameter. Each of the plurality of heads includes a female taper. The kit further includes a plurality of sleeves, at least two of the plurality of sleeves having a different size. Each of the plurality of sleeves has a male taper. An extractor tool is also included and has a handle and a plurality of tips, each of the plurality of tips including a flexible portion.10-20-2011
20080243131Implant Inserter Having A Bifurcated Adjustable Stop - An insertion tool for inserting a spinal motion disc, wherein the insertion tool has a bifurcated adjustable stop.10-02-2008
20090143785MEDICAL IMPACT TOOL ADAPTOR AND METHOD - The present invention may provide for a medical impact tool adaptor for coupling with a medical impact tool and a method for applying an impact force to a medical instrument. The impact tool adaptor may comprise a main body and connector with a first attaching member and a second attaching member. The second attaching member may be pivotally coupled with the main body and may pivot between an opened position and a closed position relative to the first attaching member. The second attaching member may be releasably secured in a closed position via a movable lock mechanism. The first and second attaching members may be coupled to a medical tool via corresponding first and second attaching interfaces. In some embodiments, the impact tool adaptor may be pivotally coupled to the medical tool. Further, the impact tool adaptor may be releasably and/or pivotally coupled to the impact tool.06-04-2009
20090112216TAPER DISENGAGEMENT TOOL - A disassembly tool for disassembly of a first component of a prosthesis from a second component of the prosthesis for use in joint arthroplasty. The tool includes a body having an internal bore. At least a portion of the internal bore is threaded for engagement with a thread on the first component of the prosthesis. The tool further includes an expandable ring surrounding a portion of the body and adapted to engage the first component, such that when a radial force is applied to the body, the ring expands, applying an axial force against the first component.04-30-2009
20080255574INSTRUMENT FOR INSERTION OF PROSTHETIC COMPONENTS - An instrument configured to receive and retain a prosthetic component to facilitate the implantation of the same. In one exemplary embodiment, the instrument includes an actuator and holder secured to the actuator. The holder may include an elongate body and a head portion having a plurality of resiliently deformable arms sized and shaped to receive the prosthetic component therebetween. Additionally, the holder may be placed within a guide in the actuator along which the holder may be translated. By moving the actuator, the holder may be correspondingly translated and the resiliently deformable arms compressed to restrict translation and rotation of the prosthetic component relative to the holder.10-16-2008
20090171363AUTOMATED INSERTION DEVICE FOR HEART VALVE PROSTHESIS - The invention concerns an automated ancillary device (07-02-2009
20110184424METHOD AND APPARATUS FOR REMOVING A BEARING - A method for removing a bearing that is coupled to a prosthetic implant by a ring includes advancing a distal end of a removal tool in a first direction and into a slit formed in the ring. The ring can be caused to expand radially from engagement with the bearing. The distal end of the removal tool can be advanced in a second direction such that the removal tool engages the bearing. The distal end of the removal tool can be further advanced in the second direction such that the removal tool urges the bearing away from the prosthetic implant.07-28-2011
20100191249Instruments and Methods for Delivering Multiple Implants in a Surgical Procedure - Instruments and methods are provided for delivering multiple implants to locations for implantation in a patient without requiring a second implant to be loaded onto or engaged to the delivery instrument after delivery of a first implant.07-29-2010
20100023019PROSTHESIS HOLDER AND APPLICATION THEREOF - Prosthesis holder (01-28-2010
20080275457ORTHOPEDIC TOOL FOR ALTERING THE CONNECTION BETWEEN ORTHOPEDIC COMPONENTS - An orthopedic tool for loosening the connection between orthopedic components. In one embodiment, the orthopedic tool includes a housing and a wedge. The housing has a head, an upper portion, a lower portion, and an opening between the upper and lower portions. The wedge is positioned at least partially between the upper portion and the lower portion of the housing and is actuatable to move toward the head of the housing. When at least a portion of the head of the housing is placed in mating engagement with the junction between two assembled orthopedic components, advancement of the wedge towards the head results in separation of the upper portion and lower portion of the housing. Thus, as the wedge is advanced toward the head, the upper and lower portions of the housing are separated, which results in corresponding separation of the assembled orthopedic components.11-06-2008
20090118737COUNTER ANGLE FOR IMPLANTOLOGY OR SURGERY COMPRISING REMOVABLE SUB-ASSEMBLIES AND IN PARTICULAR AN INTERMEDIATE POSITIONING SUPPORT FOR THE HEAD CARTRIDGE - The invention relates to a contra-angle for implantology or surgery with a head for holding and rotating an instrument about its longitudinal axis, and a handpiece containing, in a non-limiting manner, a connection providing the connection with an external motor drive, and a reducing assembly with an output gear. The contra-angle is formed of removable subassemblies, and principally of a subassembly called the intermediate support, including an input gear meshing with the output gear of the reducing assembly and an end gear mounted on the same rotating shaft and inside a hollow cylindrical body. The intermediate support is mounted so as to slide freely along an axis inside a central part of a head body and enabling positioning in the head and rotational driving of a removable head cartridge, when all the subassemblies are mounted together to form the contra-angle.05-07-2009
20090105712Rod persuader - A rod persuader assembly includes a tubular body, an inner shaft and an outer shaft. The inner shaft is axially displaceable relative to the tubular body, and has a gripping end and a handle end. The outer shaft is axially displaceable relative to the tubular body, and has a rod reducing end. In one embodiment, the handle end is rotatable relative to the gripping end. In another embodiment, the gripping end includes a cylindrical socket. In yet another embodiment, the rod persuader assembly is operable in two separate and independent stages to secure the instrument to an implant, and advance a rod into the implant.04-23-2009
20090182342Disc Annulus Repair System - A repair system including a closure prosthesis and deployment device, and associated methods for repairing any imperfection including a flaw, hole, tear, bulge, or, in some cases, a deliberate cut or incision in any tissue including an intervertebral disc. The prosthesis has first and second side portions with a connecting central portion, and is designed to span an imperfection with opposite ends positioned on opposite sides of the imperfection. The prosthesis may include anchoring features including barbs and/or members that extend transversely. The deployment device can include a cannula for positioning the prosthesis near the imperfection, and, in some cases, a mechanism that may cause the two sides of the prosthesis to be deployed in a specific order.07-16-2009
20080262502MULTI-MEMBRANE PROSTHETIC NUCLEUS - Multi-membrane prosthetic nucleus and implants using same are disclosed having an outermost membrane that is semi-compliant and limits the innermost membrane and any intermediate membranes that are highly compliant from bulging out of any opening in the annulus fibrosus. The outermost membrane may help protect the innermost membrane from trauma including any trauma before the innermost membrane is expanded through the injection of prosthetic nucleus material and trauma during the expansion of the innermost membrane in response to the injection of prosthetic nucleus material. Also disclosed is a coated membrane which combines the mechanical properties of the foundation layer with the low permeability to the passage of the flowable prosthetic material of the coating. This coated membrane is semi-compliant and prevents the prosthetic nucleus from bulging out of any openings in the annulus fibrosus. Use is made of injected prosthetic nucleus material that changes to a non-flowable state.10-23-2008
20120022545SURGICAL DEVICE - The invention relates to a surgical device, the device comprising a probe part and means to generate a Shockwave in the probes sufficient to separate, adjust of attach two or more, parts when the probe is applied to one of the part in vivo, the arrangement being such as to allow the application of a Shockwave that is regulated in amplitude and repeatable.01-26-2012
20110066156Surgical Tool - A surgical tool for removing a portion of an implant is provided that includes a housing, a motor contained within the housing and coupled to the housing, and an output shaft having a distal end and a proximal end opposite the distal end, wherein the proximal end is coupled to the motor and the distal end has an opening configured to rotateably engage an implant. The surgical tool further includes a counter-torque sleeve extending around the output shaft having a proximal end and a distal end opposite the proximal end, wherein the proximal end is coupled to the housing and the distal end is configured to couple to the implant relative to the counter-torque sleeve. Upon a rotational force to the implant, the forces transmitted by the output shaft and the counter-torque sleeve are balanced by the coupling of the output shaft and counter-torque sleeve through the housing.03-17-2011
20100249797Insertion Instrument for Artificial Discs - An insertion instrument for inserting an implant in an intervertebral space is provided. The instrument includes an elongate shaft having proximate and distal ends with a longitudinal axis therebetween. On the distal end of the elongate shaft is a gripping device capable of shifting from a holding configuration for securing a portion of the implant relative the distal end and a releasing configuration to permit removal of the implant portion from the elongate shaft. The instrument also includes an actuating mechanism coupled between the gripping device and the handle that is operable to configure the gripping device in the holding configuration upon an initial actuation thereof and the releasing configuration upon a subsequent actuation thereof. An actuator may be resiliently coupled to the gripping device or other moveable components in order to limit the force applied by the actuator to a preset amount.09-30-2010
20100249795Cervical Motion Disc Inserter - A novel inserter for inserting a prosthetic cervical motion disc, wherein the distal end portion of the inserter features a pair of projections that are adapted to move slidably and transversely relative to one another (like a wrench) in order to engage a prosthetic cervical motion disc.09-30-2010
20100249796Method and Apparatus for Aligning and Securing an Implant Relative to a Patient - A surgical instrument for implanting a prosthetic member. The instrument includes an orientation sensor that detects an initial orientation of the prosthetic member and an implanting orientation of the prosthetic member. The instrument further includes a memory module and an input device that receives a user input to transfer the initial orientation detected by the orientation sensor into the memory module for storage. Furthermore, the instrument includes an orientation feedback device that selectively provides an orientation feedback signal to a user. Moreover, the instrument includes a controller that causes the orientation feedback device to provide the orientation feedback signal when the implanting orientation detected by the orientation sensor is substantially equal to the initial orientation stored in the memory module.09-30-2010
20120083791Method and system for storing and inserting an implant - An implant storage and insertion system for a shape memory orthopedic implant allows the implant to be constrained in a deformed state, protected, insulated, held for insertion, and properly positioned in bone. The implant storage and insertion system includes a restraining block having an impact surface. The restraining block engages an implant at a first end, and further a medical instrument engages the restraining block and positions the restraining block at a bone such that the impact surface may be impacted to insert a second end of the implant into the bone.04-05-2012
20100174289Devices for Limiting the Movement of Material Introduced Between Layers of Spinal Tissue - Devices for limiting the movement of flowable material introduced into or between tissue layers of the human spine. The devices can include at least one generally elongated member having a pre-deployed configuration for insertion into or between tissue layers of the human spine and a deployed configuration in which the elongated member forms a barrier that limits the movement of flowable material introduced into or between the tissue layers.07-08-2010
20100049205SURGICAL INSTRUMENT FOR STIMULATING, IN THE INTRAOPERATIVE PHASE, THE FUNCTIONING INSTABILITY OF ACETABULAR COMPONENTS OF HIP PROSTHESES - A surgical instrument (02-25-2010
20100298837METHODS FOR DELIVERING AN IMPLANT AND AGENT IN AN INTERVERTEBRAL DISC - The present invention relates generally to devices and methods for delivering medical devices, such as implants, to desired tissue sites, such as the intervertebral disc. In one aspect, an intervertebral disc repair and diagnostic device that is minimally invasive and that provides precise access to the desired site is provided. In some aspects, the device and method are adapted to deliver, position and expand implants that are initially oriented and compressed for minimally invasive, yet precise and effective implantation.11-25-2010
20120123429SURGICAL INSTRUMENT - A multi-function impactor for use with an orthopaedic implant, such as a knee joint, is described. The head of the impactor has a pair of curved recesses for mating with condylar parts of a femoral implant and flat faces for mating with a tibial implant. An extended formation is also provided for use with the inter-condylar notch of the femoral implant. A v-shaped notch in the extended formation is also provided to impact a tibial insert. The impactor can be made from a single moulded plastics part.05-17-2012
20100010497SYSTEM AND METHOD FOR MENISCAL REPAIR THROUGH A MENISCAL CAPSULAR TUNNEL - A system for open or arthroscopic surgical repair of torn or damaged meniscal tissue has a repair member and an instrument. The repair member is a suture, flexible or rigid implant. The instrument has at a portion that is shaped to slide within a meniscal capsular tunnel. The meniscal capsular tunnel is an opening in the knee soft tissue passing from the anterior side of the knee adjacent to the mensical tissue to the posterior side of the knee in both the medial and lateral directions. The instrument interacts with the repair member to either insert it into the meniscus from the posterior side, or to facilitate securing of the repair member so that the repair member holds the meniscal tissue together on either side of a meniscal tear to foster healing of the damaged tissue.01-14-2010
20090024133Delivery device - A delivery device for deploying an expandable prosthesis and method of use thereof are described. The delivery device comprises an outer catheter that is capable of retracting in a proximal direction and resheathing over the prosthesis in a distal direction. The device comprises a drive pulley that can engage a particular gear set to retract the outer catheter and expose the prosthesis. The drive pulley can also engage another gear set to resheath the outer catheter and recapture the prosthesis between the inner and the outer catheter. A directional switch enables the device to operate between the two modes.01-22-2009
20110004221METHODS AND APPARATUS FOR DEPLOYING SHEET-LIKE MATERIALS - Implant delivery systems for delivering sheet-like implants include a delivery shaft, an implant expander, a sheath, and a sheet-like implant. In some embodiments, the delivery shaft has a proximal end and a distal end. The implant expander is mounted to the distal end of the delivery shaft. The implant expander includes a central portion and a plurality of leg portions radiating from the central portion. The implant expander is evertable between an unstressed configuration in which a distal surface of the implant expander defines a concave surface, and a first compact configuration in which the distal surface of the implant expander defines a convex surface. The implant expander has a first lateral extent when the implant expander is free to assume the unstressed configuration. The sheath defines a lumen having a lumen diameter. At least a portion of the delivery shaft is slidably disposed in the lumen. The lumen diameter is smaller than the first lateral extent of the implant expander so that the sheath holds the implant expander in the first compact configuration when slidably disposed therein. The sheet-like implant overlays at least a portion of the distal surface of the implant expander with portions of the sheet-like implant extending between the leg portions of the implant expander and the sheath. Methods of treating a rotator cuff of a shoulder are also disclosed.01-06-2011
20120265211Instruments, Implants and Methods for Positioning Implants Into a Spinal Disc Space - Instruments, implants and methods are provided for positioning spinal implants in a spinal disc space between adjacent vertebrae. The instruments provide a low profile engagement with the implants and facilitate insertion while minimizing tissue retraction and exposure of the tissue and neural elements to the instrumentation in the approach to the disc space.10-18-2012
20080269765INSTRUMENT AND METHOD FOR IMPLANTING A PROSTHETIC COMPONENT - A surgical instrument including an inserter having a body and a head. The head is dimensioned for receipt within a cavity formed by a final junction surface, for example a female tapered surface, of a prosthetic component. In one exemplary embodiment, a portion of the head has a scratch hardness that is less than the scratch hardness of the prosthetic component, i.e., is formed from a softer material. This allows for the cover of the head to be received within the cavity formed by the final junction surface of the prosthetic component without substantially scratching or damaging the final junction surface.10-30-2008
20130018382FEMORAL COMPONENT INSTRUMENTAANM Jones; Nolan C.AACI WarsawAAST INAACO USAAGP Jones; Nolan C. Warsaw IN USAANM VanDiepenbos; Jeffery A.AACI SyracuseAAST INAACO USAAGP VanDiepenbos; Jeffery A. Syracuse IN US - A femoral component instrument includes a rotatable locking mechanism such as a post and is capable of interchangeable use between posterior stabilizing (“PS”) and cruciate retaining (“CR”) femoral component types via the locking mechanism. The instrument further includes a modular pad so that a pad specific to the prosthesis type may be chosen. Each pad of a particular femoral component type is useable with a variety of sizes of that femoral component type. The locking mechanism of the instrument is alternatively useable with a variety of femoral component types. The locking end of the post keys to a pad aperture to rotatably align the post to an appropriate securement position. If a femoral component is not locked to the pad, the post of the instrument moves from an exposed position proximal to the proximal pad surface to a retracted position distal to the proximal pad surface, thereby permitting impaction.01-17-2013
20080234690Volume measuring intervertebral tool system and method - The invention includes a system and method for the loosening of tissue. In one embodiment, a device for use in an intervertebral tissue removal procedure includes a cannula having a first end portion for insertion into tissue, a feed passage within the cannula, a return passage within the cannula, and a loosening member movable within the feed passage and the return passage and at least partially deployable away from the first end portion of the cannula.09-25-2008
20080234689Vertebral Plate Measuring Device and Method of Use - The present application is directed to a surgical devices and methods to measure vertebral members for a vertebral plate. The device may include a handle with a first arm and a second arm. A trial plate may be attached to the handle. The trial plate may include a first trial plate section operatively connected to the first arm and a second trial plate section operatively connected to the second arm. Each of the first and second trial plate sections may include a distal side to contact against an outer side of the vertebral members. A scale may be operatively connected to the first and second trial plate sections and may include measurement indicia. The first and second arms may be movable to adjust a distance between the first and second sections and expose the measurement indicia to determine a size of the vertebral plate.09-25-2008
20080228193IMPLANTABLE MEDICAMENT DELIVERY DEVICE AND DELIVERY TOOL AND METHOD FOR USE THEREWITH - An implantable medicament delivery device is disclosed for administration of a medicament to a joint. The implantable delivery device includes a filament formed of a bioabsorbable material and carrying a medicament. The material of the filament is capable of eluting the medicament. A kit for use in post operatively treating a joint of a mammalian body is also disclosed. The kit comprises a package including the bioabsorbable filament carried within the package, which bioabsorbable filament carries a medicament. Delivery tools and methods are also disclosed for implantation of the medicament delivery device.09-18-2008
20080221582PULMONARY STENT REMOVAL DEVICE - A removal tool for an implanted device, including pulmonary stents, occlusive devices, valved devices, and flow-restrictive devices, is provided. The removal tool includes an elongate tube having a central passage, a slideable inner member within the passage, and a coupling member disposed on the distal end of the inner member. The coupling member of the removal tool includes a distal tip configured to pierce a membrane of the implanted device. The coupling member also includes a coil or a hook configured to engage a support element of the implanted device. A method of removing implanted devices is also provided. A removal tool is placed adjacent to the device, the distal end of the tool is moved to pierce its membrane, a portion of the tool engages the support member, and the distal end of the tool is retracted along with the implanted device.09-11-2008
20130178862Intervertebral Implant Insertion Device and Method - An implant insertion device and its method of use, the device having a pair of opposing elongated blades retained by a housing. The distal ends of the blades are adapted to be inserted into the vertebral interspace. The housing comprises an internally threaded bore. An insertion rod having an elongated threaded rod passes through the housing and between the blades, whereby rotation of the insertion rod relative to the housing causes it to advance within the housing. An implant is temporarily mounted to the end of the insertion rod. As the insertion rod is advanced, the implant forces the distal ends of the blades apart such that proper placement of the implant in the intervertebral space is readily achieved. Once the implant is properly positioned free of the blades, the device is removed.07-11-2013
20130144301SHROUD FOR USE WITH PROSTHETIC IMPLANT - A shroud for protecting exterior portions of a prosthetic implant from adhesive and a method for utilizing the same. The shroud includes a hub, a rim, and at least one bridge connecting the hub and the rim. The rim of the shroud may be sized to cover substantially the same area as a guard of the implant. The method of utilizing the shroud involves securing the shroud to the prosthetic implant. A quantity of adhesive is provided, and the prosthetic implant is secured thereto. The shroud is removed from the implant, and then the guard is secured to the implant.06-06-2013
20100286703 TACK OR DRIVE SCREW FOR SECURING A PROSTHESIS TO BONE AND ASSOCIATED INSTRUMENTATION AND METHOD - The present invention relates to a surgical method or procedure for securing a prosthesis to bone. More particularly, the present invention relates to (i) a surgical method or procedure for securing a low load bearing prosthesis such as, for example, an adhesion barrier, to a patient's bone, (ii) a tack or drive screw for securing the low load bearing prosthesis and (iii) associated instrumentation for driving the tack or drive screw into the patient's bone.11-11-2010
20100030223MODULAR PATELLA INSTRUMENT - An instrument for implanting patellar prostheses in various sizes includes a series of milling calipers of various sizes, a retaining instrument with a receptacle for one of the milling calipers matching the sizes of the patellar prostheses and milling bodies in various sizes. The retaining instrument is configured like forceps with two members, the front end of one of the members being provided with a retention plate for engagement with a front face of a patellar prosthesis, and the front end of the other one of the members being provided with a holder for a milling gauge.02-04-2010
20090112217IMPLANT INSERTION DEVICE - The present invention is directed to a device for inserting orthopaedic implants, more specifically spinal implants such as artificial discs.04-30-2009
20100318092Instruments For Installing Multi-Section Intervertebral Spinal Implants - Instruments are provided for delivering and installing a multi-section spinal implant in-situ one section at a time by sequential deployment and assembling of the multi-section spinal implant sections into an intervertebral space. An advancement mechanism provides controlled deployment of individual implant sections from the instrument. Each instrument accepts a plurality of implant sections that are stacked on a deployment rod. Activation of the advancement mechanism advances a pusher against a rearward implant section of the implant section stack. This, in turn, advances all or some of the implant sections such that the forward most implant section exits the instrument. As the advancement mechanism is further activated, additional implant sections are deployed from the instrument. In this manner, a multi-section spinal implant of any number of implant sections may be delivered and assembled in situ. In one form, the advancement mechanism comprises an indexing mechanism. In another form, the advancement mechanism comprises a ratchet device provided on and between a trigger and an advancement tube.12-16-2010
20120283739BONE TACK DRIVER - A driver assembly for affixing a surgical fastener to a target location is provided. Operation of the driver assembly inserts the surgical fastener in two stages, first an alignment stage through application of a distally directed force to partially insert the surgical fastener, and then a fastening stage to fully insert and seat the surgical fastener to a proper depth or compression level. The driver assembly comprises a spring loaded automatic trigger mechanism that may be adapted for use with a linearly insertable or a rotationally insertable surgical fastener. Application of the distally directed force actuates the trigger mechanism, wherein a corresponding impact force is delivered for seating the surgical fastener, coupled to a distal end of the driver assembly, upon alignment of cam and receiver elements embodied within the trigger mechanism.11-08-2012
20120029524INSTRUMENT FOR HANDLING A JOINT COMPONENT BY WAY OF A VACUUM - Setting instrument (02-02-2012
20120059383INSTRUMENT FOR PLACEMENT AND IMPLANTATION OF A PROSTHETIC COMPONENT - The present disclosure provides a surgical instrument that creates a vacuum seal between a prosthetic component and a surgical instrument to grasp the prosthetic component so that the surgical instrument may be utilized to manipulate the prosthetic component relative to an anatomical structure. The surgical instrument is further designed to be used as an impactor capable of receiving and transferring an impaction force for seating the prosthetic component relative to the anatomical structure without the surgical instrument losing its grasp on the prosthetic component. The surgical instrument of the present disclosure includes a suction device which may be selectively released once the prosthetic component is appropriately positioned and seated relative to the anatomical structure. Such selective release prevents disruption of the positioning of the prosthetic component and facilitates proper placement and implantation of the prosthetic component.03-08-2012
20130204264Pneumatic Surgical Instrument and Corresponding Methods for Implanting Orthopedic Implants in Bone - Various embodiments of components, devices, systems and methods are provided for a pneumatic surgical instrument having a probe or an impactor disposed at a distal end thereof and configured to make contact with a selected portion of an orthopedic implant or device and drive the implant into a hole or void formed in a patient's bone. The instrument is configured to generate a shock wave, which is then transferred to the distal end of the probe or impactor, and thence into the orthopedic implant, thereby causing the implant to be driven into contact with portions of the void or hole.08-08-2013
20130204265ENGAGEABLE SLAPHAMMER TOOL AND INSTRUMENTATION - A slap hammer tool and associated instrumentation to engage with the slap hammer tool are disclosed herein. In some examples, a slap hammer tool including an end adapted for engagement with a quick release connector of an instrument is provided. The instrument can be adapted to receive the distal end of the slap hammer for engagement, the engagement being provided through rotation of the slap hammer relative to the instrument. Once the slap hammer and instrument are engageably coupled, the slap hammer can be used to provide force and accompanying motion away from the instrument in the direction of the slap hammer instrument. Force can be provided by the slap hammer tool to a coupled instrument, for example, to move or extract the coupled instrument from placement on a surgical area.08-08-2013
20130211412IMPACTOR - An impactor (08-15-2013

Patent applications in class Prosthesis insertor or extractor

Patent applications in all subclasses Prosthesis insertor or extractor