Inventors list

Assignees list

Classification tree browser

Top 100 Inventors

Top 100 Assignees


Knee or knee joint

Subclass of:

606 - Surgery

606001000 - INSTRUMENTS

606053000 - Orthopedic instrumentation

606086000 - Means for use in bone reperation

606087000 - Osteotomy jig or fixture

Patent class list (only not empty are listed)

Deeper subclasses:

Entries
DocumentTitleDate
20100160918Method for Performing Bone Cutting - A guide for cutting a bone comprising an anterior portion and a distal portion orientated at about a right angle to the anterior portion. The distal portion includes a guiding side, a distal surface at the guiding side, a box-cut shaped opening defined by the guiding side, a plurality of first cutting surfaces disposed at the guiding side at an acute angle relative to the distal surface of the guiding side operable to guide a cutting device to the bone to form chamfer cuts in the bone, and a second cutting surface disposed at the guiding side at least about a right angle to the distal surface operable to guide a cutting device to the bone to form a posterior cut in the bone.06-24-2010
20100087824High tibial osteotomy instrumentation - An apparatus to aid in cutting a bone during a bone osteotomy procedure, including a frame having a first bushing, a first fixation pin, and an adjustment screw. The apparatus further includes a side plate attached to the frame and moveable with respect thereto, the side plate having a second bushing and a second fixation pin. In addition, the apparatus includes a drill block assembly releasably attached to the side plate and moveable with respect thereto, the drill block having a third bushing and a hinge pin.04-08-2010
20100049197TIBIAL GUIDE FOR ACL REPAIR HAVING LEFT/RIGHT DOCKING CONFIGURATION - A device for positioning a tibial tunnel during ACL reconstruction, the device that includes an elongated body having proximal and distal ends; and a distal arm extending from the distal end of the elongated body, a distal portion of the distal arm being configured for insertion into a pre-formed opening in a femur. The distal arm and the body are not aligned relative to each other when viewed from above. A pair of such devices, providing tunnel positioning for right and left knee surgeries, maybe provided in a set.02-25-2010
20130035693PATELLA RESECTION GUIDE WITH LOCATING FEATURES AND METHOD OF USING THE SAME - An orthopaedic surgical instrument that includes a patella resection guide is disclosed. The patella resection guide includes a body having a substantially planar upper surface that defines a patella cutting guide surface and a first jaw having a first tooth, and a second jaw positioned opposite the first jaw. The second jaw is movable relative to the first jaw and includes a second tooth extending toward the first tooth that defines an axis along which the second jaw is moveable relative to the first jaw. The patella cutting guide surface defines a resection plane that extends through a patient's patella when the patella is positioned between the first jaw and the second jaw.02-07-2013
20130079784PATELLA RESECTION ASSEMBLY - A patella resection assembly comprises a modular handle and claw member. The claw member is reversibly mountable on the handle so that the same modules may be used to resect the patellae of both the right and the left knees. The handle has an adjustable member that carries a bone-gripping member. Linear movement of the adjustable member allows the same patella resection assembly to be used to securely grip patellae of various sizes.03-28-2013
20090157083SYSTEM AND METHOD FOR MANUFACTURING ARTHROPLASTY JIGS - Disclosed herein is a method of computer generating a three-dimensional surface model of an arthroplasty target region of a bone forming a joint. The method may include: generating two-dimensional images of at least a portion of the bone; generating an open-loop contour line along the arthroplasty target region in at least some of the two-dimensional images; and generating the three-dimensional model of the arthroplasty target region from the open-loop contour lines.06-18-2009
20120184962METHOD AND APPARATUS FOR PERFORMING MULTIDIRECTIONAL TIBIAL TUBERCLE TRANSFERS - Apparatus for performing a multidirectional tibial tubercle transfer, comprising a jig for positioning against the anterior portion of the tibia, the jig comprising first and second guide surfaces which simultaneously converge towards one another as they extend distally down, and posteriorly towards, the tibia; a medial extender for attaching to the jig, wherein the medial extender comprises a third guide surface which is directed towards a point distal to the point of convergence of the first and second guide surfaces as the third guide surface extends distally down, and posteriorly towards, the tibia; and a lateral extender for attaching to the jig, wherein the lateral extender comprises a fourth guide surface which is directed towards a point distal to the point of convergence of the first and second guide surfaces as the fourth guide surface extends distally down, and posteriorly towards, the tibia.07-19-2012
20120184961KNEE ARTHROPLASTY APPARATUS AND METHOD - A method for aligning a bone cutting guide on a tibia may involve coupling a cutting guide alignment device and an attached cutting guide with a tibia, adjusting the alignment device in a varus/valgus orientation, adjusting the alignment device in an anterior/posterior orientation, attaching the cutting guide to the tibia, and removing the alignment device from the cutting guide, leaving the cutting guide attached to the tibia. The adjustments to the alignment device may be made according to vertically and horizontally oriented laser lights emitted from the alignment device. As the alignment device is adjusted, the bone cutting guide attached to the alignment device changes position relative to the tibia.07-19-2012
20100063508SYSTEMS AND METHODS FOR JOINT REPLACEMENT - Systems and methods for joint replacement are provided. The systems and methods include a surgical orientation device and at least one orthopedic fixture. The surgical orientation device and orthopedic fixtures can be used to locate the orientation of an axis in the body, to adjust an orientation of a cutting plane or planes along a bony surface, to distract a joint, or to otherwise assist in an orthopedic procedure or procedures.03-11-2010
20130046309ADJUSTABLE FEMORAL RESECTION GUIDE - A chamfer resection guide assembly for effecting chamfer cuts into a resected distal surface of a femur in connection with a distal total knee implant has an anchor member configured for anterior referencing of the chamfer cuts, a block member including one or more cutting guide slots for guiding a cutting tool for making chamfer resections and a camming member. The camming member operably connects the block member and the anchor member and the position of the block member with respect to the anchor member is adjusted by operation of the camming member thus allowing adjustment of the position of the cutting guide slots with respect to the anchoring member.02-21-2013
20090043310ARTHROPLASTY SYSTEMS AND METHODS FOR OPTIMALLY ALIGNING AND TENSIONING A KNEE PROSTHESIS - A combination of a first assembly for guiding resection of a femur and tibia of a knee joint and a second assembly including femoral and tibial knee components. The combination of the first assembly and the second assembly provides optimal placement and positioning of the femoral and tibial knee components to achieve near-normal knee kinematics and tension. The preparation for and placement of the prosthetic knee components provides medial-pivoting kinematics mimicking that of the natural knee thereby promoting improved outcome for the patient.02-12-2009
20090043309SYSTEMS AND METHODS FOR GUIDING CUTS TO A FEMUR AND TIBIA DURING A KNEE ARTHROPLASTY - An assembly for guiding resection of a femur and tibia of a knee joint in preparation for installing a femoral and tibial knee components. For example, the assembly can include tibial and femoral IM rods to which are connected through a tensioning bolt that allows controlled adjustment of the distraction of the tibia and femur during cut positioning in a range of flexion angles. Also, the assembly is usable with relatively small, noninvasive approaches to the knee joint by way of relatively narrow, low profile components that attach to tibial and femoral IM rods. Further, the assembly includes several quick-release components to allow fast assembly and disassembly in a surgical setting. Each of these aspects, along with the ability of the assembly to accurately guide initial reference cuts to the tibia and femur, promotes an improved outcome for the patient.02-12-2009
20100268240ADJUSTABLE SURGICAL CUTTING SYSTEMS - Adjustable and modular systems, devices and methods for accurately cutting or resecting bones during surgery, particularly in preparation for installing joint implants during arthroplasties, including, but not limited to, preparation of femur or tibia during knee arthroplasties, such as total knee arthroplasty. The embodiments of the present invention provide solutions for adjusting a position of the cutting guides, or structures for guiding or directing the implements for resecting a patient's bone tissue, such as saws. The systems and devices comprise an adjustor for adjusting the cutting guide's position at the patient's bone in at least one degree of rotational freedom and in at least one degree of translational freedom.10-21-2010
20130060253UNIVERSAL POSITIONING DEVICE FOR ORTHOPEDIC SURGERY AND METHOD OF USE THEREOF - A positioning device assembly for positioning a tool guide block for use in an orthopedic surgery includes a positioning device having a block body with a reference surface adapted to abut a bone element, and first and second adjustment mechanisms that are independently operable. The first adjustment mechanism permits rotation of the tool guide block about a medial-lateral extending axis to provide flexion-extension angle adjustment and the second adjustment mechanism permits rotation of the tool guide block about an anterior-posterior extending axis to provide varus-valgus angle adjustment. The second adjustment mechanism includes integral coarse and fine adjustment mechanisms. A tool guide block assembly mounted to the positioning device includes a platform portion which is engaged to the block body of the positioning device and the tool guide block which is releasably engaged with the platform.03-07-2013
20090270869DISTRACTOR INSTRUMENT - A distractor instrument for use in knee joint surgery is provided that includes a tibial plate, a femoral plate, a tibial arm having a plate end and a control end, wherein the tibial plate is fastened to the plate end of the tibial arm at its anterior edge, and wherein, when the tibial plate is engaged with the tibia, the tibial arm is configured to extend from the tibial plate generally medially or laterally of the knee joint. The distractor instrument also includes a femoral arm having a plate end and a control end, wherein the femoral plate is fastened to the plate end of the femoral arm, and wherein, when the femoral plate is engaged with the femur, the femoral arm extends from the femoral plate generally aligned with the tibial arm. The tibial arm and the femoral arm are pivotably connected to one another at a point between their respective plate and control ends so that pivotal movement of the femoral arm relative to the tibial arm reduces the distance between their control ends and causes the distance between the tibial plate end and the femoral plate end to increase.10-29-2009
20130066321ORTHOPAEDIC INSTRUMENT - A patient specific instrument for use in a ball and socket joint arthroplasty procedure, method of manufacture and method of use are described. The instrument comprises an attachment mechanism for attaching the instrument to the socket of the patient, which has at least first and second parts which can engage the rim of the socket of the patient. Each part is shaped, or can transform to a shape, to match the shape of a respective portion of the rim of the socket. A body bears at least one guide formation for guiding a component to be used in the arthroplasty procedure. The instrument includes a locking mechanism by which the body and attachment mechanism can be assembled in a unique configuration into the patient specific instrument. The patient specific instrument is attachable to the socket of the patient only at a single pre-planned position.03-14-2013
20130165939Patient Specific Implants and Instrumentation For Patellar Prostheses - Patient specific implants and instrumentation for replacing a portion of a patella. Methods for producing patient specific implants and instrumentation include conducting imaging studies of the patient's native patella, deriving measurements of the patella and surrounding soft tissues from the imaging studies, manufacturing customized implants and instrumentation specific to the derived measurements, and implanting a customized implant using the customized instrumentation. Patient specific instrumentation includes: a patellar clamp ring, an anterior clamp, a restraining arm, a posterior clamping surface, a dual bore reaming collet, a reamer, a reaming depth gauge, and a resection cutting guide. Patient specific portions of a patellar implant include: topography of the posterior articular surface, facet angle, shape and dimensions of the anterior attachment surface, implant length, implant width, implant thickness and the outer perimeter shape of the implant.06-27-2013
20130165940METHOD AND APPARATUS FOR USE IN BALANCING LIGAMENTS OF A KNEE - An orthopaedic surgical instrument includes an orthopaedic distraction device sized to be positioned between a distal end of a patient's femur and a proximal end of the patient's tibia and configured to apply force between the patient's femur and the patient's tibia. The orthopaedic surgical instrument also includes a user-operated control device operable to actuate the orthopaedic distraction device to apply force between the patient's femur and the patient's tibia. In actuating the orthopaedic distraction device, a rotary input of the user-operated control device that is coupled to the orthopaedic distraction device may be used. The orthopaedic surgical instrument also includes a display positioned on an outer surface of the orthopaedic distraction device and a circuit configured to control the display. The display is configured to provide visual feedback indicative of force applied by the distraction device.06-27-2013
20080306484APPARATUS FOR KNEE SURGERY AND METHOD OF USE - The present invention comprises a set of instruments and a method for their use in preparing a knee joint to receive knee implants. The inventive instruments and method are generally suitable for knee joint surgery. Furthermore, they include features that make them suitable for performing a minimally invasive knee surgery in which a smaller than normal incision is made and oriented to preserve the quadriceps mechanism and protect the suprapatellar pouch. The instruments permit switching from a minimally invasive technique to a standard open technique at any point in the procedure. An illustrative set of instruments for total knee arthroplasty and an associated minimally invasive technique are described.12-11-2008
20100160917Joint Arthroplasty Devices and Surgical Tools - Disclosed herein are methods, compositions and tools for repairing articular surfaces repair materials and for repairing an articular surface. The articular surface repairs are customizable or highly selectable by patient and geared toward providing optimal fit and function. The surgical tools are designed to be customizable or highly selectable by patient to increase the speed, accuracy and simplicity of performing total or partial arthroplasty.06-24-2010
20120289966JOINT ARTHROPLASTY DEVICES AND SURGICAL TOOLS - Disclosed herein are methods, compositions and tools for repairing articular surfaces repair materials and for repairing an articular surface. The articular surface repairs are customizable or highly selectable by patient and geared toward providing optimal fit and function. The surgical tools are designed to be customizable or highly selectable by patient to increase the speed, accuracy and simplicity of performing total or partial arthroplasty.11-15-2012
20090318924AMZ TIBIAL TUBEROSITY TRANSFER SYSTEM - An AMZ tibial tuberosity transfer system and method of treatment of patellofemoral joints. The AMZ system includes 1) a retractor with a better conformation to anatomy and more curve (not just a bend), and also with a larger radius on the front of the retractor to allow for easier insertion; 2) a cutting block that can fully accept a collared pin; 3) a rod preferably formed of stainless steel; 4) a tuberosity pin guide; 5) an exit indicator that engages tightly the cutting block so there is no slope on exit indication; and 6) a horizontal bar provided with markings to measure the medial shift.12-24-2009
20090088763Customized Patient-Specific Bone Cutting Block with External Reference - A number of orthopaedic surgical instruments are also disclosed. A method, apparatus, and system for fabricating such instruments are also disclosed.04-02-2009
20090088762MODULAR FEMORAL ORTHOPAEDIC SURGICAL INSTRUMENT - A femoral orthopaedic surgical instrument includes a posterior femoral trial having a cutting guide defined therein and an anterior femoral trial removably coupled to the posterior femoral trial. The anterior femoral trial may also include a cutting guide defined therein. The femoral orthopaedic surgical instrument may also include a base block couplable to the posterior femoral trial in place of the anterior femoral trial. A plurality of additional orthopaedic instruments may be coupled to the base block.04-02-2009
20080208198Osteochondral Implant Procedure and Device - A surgical procedure according to which a slotted film is positioned over an area of a bone to be milled; and a portion of a milling assembly is inserted in the defect, with another portion of the assembly extending through one of the slots so that the slot can be used as a guide to mill the bone.08-28-2008
20080208199Method and apparatus for performing an open wedge, high tibial osteotomy - An osteotomy implant for disposition in a wedge-shaped osteotomy opening in a bone, the implant comprising: 08-28-2008
20080208200Drilling guide for use in implanting a femoral neck fixation prosthesis - A femoral neck fixation prosthesis and method of using same which reduces bone loss and the avoids the other shortcomings of the prior art by allowing the fixation of a stable femoral head replacement while reducing the amount of the femur which must be reamed for the insertion of the prosthesis. The preferred embodiment provides that the femoral head is attached to a fixation prosthesis, which extends coaxially through the canal of the femoral neck, into the femur, and is then attached to the opposite lateral wall of the femur. In this manner, the prosthesis serves to imitate the original structure of the femoral neck. No other support members, either crosspins or arms extending into the length of the femur, are required.08-28-2008
20090287217Method and apparatus for performing an open wedge, high tibial osteotomy - Apparatus for performing an open wedge, high tibial osteotomy, the apparatus comprising: 11-19-2009
20080275452Surgical Cutting Guide - The present invention is directed to a surgical cutting guide for guiding a surgical instrument along a cutting path located on a biological tissue. The surgical guide includes a contact surface that conforms to a surface associated with the tissue and at least one guide for restricting movement of a surgical instrument in a first direction and for allowing the movement of the surgical instrument in a second direction along a cutting path across the surface of the tissue. The guide further contains a stop for restricting movement of the surgical instrument in the second direction along the cutting path. The stop is based at least, in part, on patient specific information.11-06-2008
20100286699BONE RESECTION APPARATUS AND METHOD FOR KNEE SURGERY - A bone resection apparatus and its method of use for knee surgery are presented. In one aspect of the invention, the apparatus includes a spacer and a tibial cut guide. The spacer has a first surface engageable with the cut distal femoral bone and a second surface opposite the first surface engageable with the uncut proximal tibial bone in joint articulating relationship. The spacer further includes a cut guide support. The tibial cut guide has a cutter guide defining a cut plane and a support engaging element engageable with the cut guide support. The cut guide support and support engaging element cooperate to position the cut plane in relative to the first surface.11-11-2010
20090264890Tibial Resection Guide - A tibial resection guide. The tibial resection guide includes a support member having a longitudinal shaft, and a referencing guide coupled to the longitudinal shaft, the referencing guide defining a referencing slot. The tibial resection guide can also include a cutting guide coupled to the longitudinal shaft, the cutting guide defining a cutting slot, the cutting slot positioned at a fixed distance from the referencing slot, and an adjustment mechanism operable to move the referencing guide and the cutting guide along the longitudinal shaft without changing the fixed distance.10-22-2009
20080306485INSTRUMENTS FOR KNEE SURGERY AND METHOD UF USE - The present invention comprises a set of instruments and a method for their use in preparing a knee joint to receive knee implants. The inventive instruments and method are generally suitable for knee joint surgery. Furthermore, they include features that make them suitable for performing minimally invasive knee surgery.12-11-2008
20100137869SYSTEMS AND METHODS FOR JOINT REPLACEMENT - Systems and methods for joint replacement are provided. The systems and methods include a surgical orientation device and at least one orthopedic fixture. The surgical orientation device and orthopedic fixtures can be used to locate the orientation of an axis in the body, to adjust an orientation of a cutting plane or planes along a bony surface, to distract a joint, or to otherwise assist in an orthopedic procedure or procedures.06-03-2010
20080262500Cutting guide with internal distraction - A cutting guide for performing a bone osteotomy procedure is disclosed. The cutting guide includes a first arm having a first cutting guide surface formed therein, a second arm having a second cutting guide surface formed therein pivotably connected to the first arm and a distractor operatively connected to the first arm. The cutting guide is adapted to be affixed to the bone such that the first cutting guide surface is open to the second cutting guide surface. The first arm and second arm are rotatable with respect to each other such that manipulation of the distractor creates a force between the first arm and the second arm causing rotation of the first arm and second arm relative to each other. A method for using the cutting guide in a bone osteotomy procedure is also disclosed.10-23-2008
20080228190IN SITU PATELLAR FIXING SYSTEM - Disclosed is a patellar cutting jig for use in a knee joint surgical procedure. The jig grips and holds a patella in situ in spatial reference to the femur to enable the appropriate cut to be made to the patella to accurately accommodate the patello-femoral gap at the replacement knee joint. The patella jig has a referencing component that provides a landmark connection between the patella jig and the femur which enables the patella clamp of the jig to be oriented relative to the reference feature prior to gripping the patella. Thus a patella held in the clamp is fixed in the cutting jig an appropriate orientation relative to the femur prior to its resection. Cutting the patella while it is referenced to the patellar groove on the femur increases the accuracy of the resection.09-18-2008
20100145345METHOD AND APPARATUS FOR PERFORMING AN OPEN WEDGE, HIGH TIBIAL OSTEOTOMY - The present invention comprises a novel method and apparatus for performing an open wedge, high tibial osteotomy. More particularly, the present invention comprises the provision and use of a novel method and apparatus for forming an appropriate osteotomy cut into the upper portion of the tibia, manipulating the tibia so as to open an appropriate wedge-like opening in the tibia, and then mounting an appropriately-shaped implant at the wedge-like opening in the tibia, so as to stabilize the tibia with the desired orientation, whereby to reorient the lower portion of the tibia relative to the tibial plateau and hence adjust the manner in which load is transferred from the femur to the tibia.06-10-2010
20120197259SURGICAL AIMING DEVICE - A hinged pivoting guide for positioning a femoral tunnel in anterior cruciate ligament (ACL) reconstruction locates a drilling hole for placement that optimally penetrates a minimal depth of soft tissue (skin, muscle, etc.) yet directs drilling into a sufficiently rigid and structurally sound area of the femur. The hinged guide allows placement of an aimer point at a desired drilling exit location on the femur. The hinge is adapted to secure the aimer at a degree of rotation about an axis defined by the hinge rotation, such that the axis passes through the aimer point throughout rotation of the hinge while maintaining the aimer point in line with an insertion guide slideably movable through the aperture in the handle, the aperture defined by an insertion axis extending toward the aimer point such that the aimer point remains disposed at the intersection of the hinge axis and the insertion axis.08-02-2012
20090125029Device for Aligning and Guiding Femoral Resection Guide and Femoral Implant Impactor - The present invention discloses a device for aligning and guiding a femoral resection guide and a femoral implant impactor, whereby the femoral resection guide and the femoral implant impactor are aligned perpendicular to the mechanical axes of the coronal plane and sagittal plane of the femur at the bottom end of the femur, and are guided so as to be rotation-aligned and mounted in parallel with a condyle axis connecting the inner condyle and outer condyle. The device comprises a main frame 05-14-2009
20120197260JOINT ARTHROPLASTY DEVICES AND SURGICAL TOOLS - Disclosed herein are methods, compositions and tools for repairing articular surfaces repair materials and for repairing an articular surface. The articular surface repairs are customizable or highly selectable by patient and geared toward providing optimal fit and function. The surgical tools are designed to be customizable or highly selectable by patient to increase the speed, accuracy and simplicity of performing total or partial arthroplasty.08-02-2012
20090138021INSTRUMENT ASSEMBLY FOR USE IN KNEE JOINT REPLACEMENT SURGERY - An instrument assembly for use in knee joint replacement surgery is provided including a base instrument having a tibial plate, a femoral plate, a tibial arm having a plate end and a control end, a femoral arm having a plate end and a control end, wherein the femoral plate is rotatably fastened to the plate end of the femoral arm. The assembly also includes a distractor mechanism configured to act between the tibial arm and the femoral arm at a point between their respective plate ends and control ends by which the distance between the plate ends of the arms can be adjusted and an ancillary instrument mountable on the base instrument and configured such that the position of the ancillary instrument relative to the tibial plate is fixed during subsequent steps in the knee replacement procedure, while the knee joint is distracted as a result of forces applied across the joint between the tibial plate and the femoral plate.05-28-2009
20120078262METHOD OF ARTHROPLASTY ON A KNEE JOINT AND APPARATUS FOR USE IN SAME - A method of, and apparatus for, arthroplasty of a knee joint comprising obtaining a desired spacing of the femur from the tibia by inserting a spacer into the knee joint between the femur and the tibia. The spacer is used as a reference for securing a guide jig in position about the knee joint for guiding resection of one or both of the femur and tibia for fitting of tibial and/or femoral prostheses. A method of resecting the femur while moving the tibia through an arc of motion to remove bone to the desired depth, a method of determining the position of the guide jig, the guide jog, an alignment device and the spacer are also described.03-29-2012
20120078261PATELLA RESECTIONING GUIDE AND ASSEMBLY - A patella resection assembly comprises a patella resection guide and a stylus. The patella resection guide has bone-gripping members on two movable arms and a saw guide surface. The stylus is pivotably mounted to the arms of the resection guide and has a free end received in the slot in the resection guide. The arms of the patella resection guide are movable to a variety of positions with different distances between the bone-gripping members while the stylus is in place.03-29-2012
20120078260Methods And Apparatus For Preparing An Intercondylar Area Of A Distal Femur - Methods and apparatus provide for modifying an intercondylar notch of a patient's femur, including cutting bone from the intercondylar notch using a hole saw having a hollow cylinder and a circular cutting edge, where the hollow cylinder of the hole saw defines a central longitudinal axis which is oriented with reference to the patient's femur such that the circular cutting edge of the hole saw removes a portion of material from the intercondylar notch of the patient's femur.03-29-2012
20090222014Patient Selectable Joint Arthroplasty Devices and Surgical Tools - Disclosed herein are tools for repairing articular surfaces repair materials and for repairing an articular surface. The surgical tools are designed to be customizable or highly selectable by patient to increase the speed, accuracy and simplicity of performing total or partial arthroplasty.09-03-2009
20100211077SURGICAL UNIVERSAL POSITIONING BLOCK AND TOOL GUIDE - A positioning block for use in knee surgery includes a rotational mounting removably engageable to the bone element by a multi-axial fastener such that the mounting element is selectively rotatable relative to the bone element about at least two substantially perpendicular axes of rotation. A guide body portion is engaged with the rotational mounting element such that it is translatable relative thereto along while being rotationally fixed relative to the mounting element. The guide body portion is moveable relative to the bone element in at least three degrees of freedom, the three degrees of freedom including at least two rotational degrees of freedom and at least one translational degree of freedom. A trackable member on the guide body portion is identified and tracked by a computer assisted surgery system.08-19-2010
20080281329Patient Selectable Joint Arthroplasty Devices and Surgical Tools - A patellar 3-D guidance tool includes a template. The template includes at least one contact surface for engaging a surface of the patella. The at least one contact surface substantially conforms with the surface associated with the patellar. At least one guide aperture directs movement of a surgical instrument, wherein the shape and/or position of the guide aperture is based, at least in part, on three or more anatomic reference points associated with the patellar.11-13-2008
20090105709TOOL - An alignment guide for use in femoral head surgery. The guide includes a support arm and a cannulated rod supported by, and adjustable with respect to, the support arm. The guide also includes two jaws. The jaws include a superior jaw and an inferior jaw. Each jaw has a proximal end connected to the support arm and a distal end for clamping to the neck of the femur in use. At least one of the jaws is movable from a first open position to a second clamping position. A toothed block is located on the inferior jaw as a biting element on the inferior jaw to improve, in use, the clamping of the jaw with the neck of the femur.04-23-2009
20130131682SURGICAL INSTRUMENT AND SURGICAL INSTRUMENT SYSTEM - A surgical instrument for attachment to a cutting block having a cutting slot defining a cutting plane is described. The surgical instrument comprises a dual purpose indicator (05-23-2013
20100318090LINKED TIBIAL RESECTION GUIDE - An improved resection guide and method using same are disclosed. The guide is preferably utilized in resecting the tibia during either a single or double unicondylar type procedure. Preferably, the guide allows for linked resection of the tibia while also being capable of conforming to many different patient sizes. This may also allow for a more precise resection to be accomplished.12-16-2010
20130138111CUSTOMIZED PATIENT-SPECIFIC TIBIAL CUTTING BLOCKS - A number of orthopaedic surgical instruments are disclosed. A method, apparatus, and system for fabricating such instruments are also disclosed.05-30-2013
20100049198TIBIAL GUIDE FOR ACL REPAIR HAVING OFF-AXIS GUIDE WIRE ARRANGEMENT - A device for positioning a tibial tunnel during ACL reconstruction, the device comprising: a distal portion including a body and a distal arm extending from the distal end of the body; and an outrigger configured to be held by a user. The outrigger defines at least one lumen, preferably at least two lumen. Each lumen is configured to receive a guide wire therethrough. Each lumen is configured to position a guide wire inserted through the lumen and the distal portion so as to be misaligned relative to each other when viewed from above.02-25-2010
20130144297DEVICES AND METHODS FOR PERFORMING KNEE ARTHROPLASTY - Methods and devices for performing knee arthroplasty including but not limited to bicruciate retaining knee arthroplasty are provided. Methods and devices for preparing a proximal tibia for a tibial implant are also provided. These methods and devices, in at least some embodiments and uses, facilitate decreasing the complexity of knee arthroplasty procedures such as bicruciate retaining procedures while maintaining, if not improving on, the safety, accuracy and/or effectiveness of such procedures.06-06-2013
20100331847Methods and Apparatus for Performing Knee Arthroplasty - Methods and apparatus for performing knee arthroplasty, including, but not limited to, bicruciate retaining knee arthroplasty, are described herein. Methods and apparatus for preparing a distal femur for a femoral implant as well as methods and apparatus for preparing a proximal tibia for a tibial implant are described. These methods and apparatus, in at least some embodiments and uses, facilitate decreasing the complexity of knee arthroplasty procedures such as bicruciate retaining procedures, while maintaining, if not improving on, the safety, accuracy and/or effectiveness of such procedures.12-30-2010
20100331848Methods and Apparatus for Performing Knee Arthroplasty - Methods and apparatus for performing knee arthroplasty, including, but not limited to, bicruciate retaining knee arthroplasty, are described herein. Methods and apparatus for preparing a distal femur for a femoral implant as well as methods and apparatus for preparing a proximal tibia for a tibial implant are described. These methods and apparatus, in at least some embodiments and uses, facilitate decreasing the complexity of knee arthroplasty procedures such as bicruciate retaining procedures, while maintaining, if not improving on, the safety, accuracy and/or effectiveness of such procedures.12-30-2010
20110130762Method for Less Invasive Knee Resection - Various method and apparatuses may be used to perform a procedure, such as a resection of a portion of the anatomy for preparation of the implants of a prosthetic. Various resecting member, including saw blades having selected geometries and shapes, can be used to assist in the resection of an anatomy to provide for implantation of a prosthetic. In addition, a cutting block assembly may be used to guide the resecting member. The cutting block assembly may be moveably mounted relative to the portion to be resected.06-02-2011
20110034933LIGAMENT RECONSTRUCTION GUIDE ASSEMBLY AND METHODS OF USE - One embodiment of a ligament reconstruction guide assembly comprises a bracket, a cannulated guide and a reference element. These assembly elements are combined and shaped in a manner that permit a surgeon to carefully position a bone tunnel in a ligament reconstruction procedure extending from a posterior position to the knee to an anterior position relative to the knee. The bone tunnel is positioned by the reference element posterior to the knee to an anterior position relative to the knee positioned by the cannulated guide. This combination and shape allows proper positioning of a drill and tunnel and reduces the possibility of wounds to the posterior elements of the knee during tunnel creation.02-10-2011
20110040302ADJUSTABLE SURGICAL INSTRUMENT - A surgical instrument is described which comprises an alignment guide having a first part including a distal end and a second part having a proximal end. The first part is attached to the second part by a pivot mechanism so that the first part can be tilted relative to the second part. A brace is attached toward the proximal end of the alignment guide for attaching the instrument to a limb of a patient. A component is attached toward the distal end of the alignment guide. The pivot mechanism is configured so that tilting the first part does not substantially change the separation between the component and the brace.02-17-2011
20100145344METHOD AND SYSTEM FOR COMPUTER ASSISTED SURGERY FOR BICOMPARTMENTAL KNEE REPLACEMENT - A method of resecting distal and anterior portions of a distal portion of a femur for a bicompartmental prosthesis is provided. The method includes generating a geometric representation of the distal portion of the femur. A virtual anterior resection plane is calculated at a predetermined depth and is oriented at a predetermined angle relative to the femur. The method identifies a distal-most point of a lateral portion of the virtual anterior resection plane and an AP line. A varus/valgus angle and an anterior-posterior distance are calculated. Anterior and distal resection guides are navigated according to the parameters calculated from the method.06-10-2010
20110213376Patient-Specific Osteotomy Devices and Methods - An osteotomy method includes attaching a patient-specific osteotomy guide to a corresponding surface of a tibia of a patient and making an osteotomy at a patient-specific orientation through a resection slot of the osteotomy guide. The osteotomy guide is removed and first and second faces of the osteotomy are opened to form an implant insertion angle. The first and second faces of the osteotomy are secured at the implant insertion angle and an osteotomy implant having a patient-specific wedge angle that is smaller than the implant insertion angle is implanted. The first and second faces of the osteotomy are brought to the patient-specific wedge angle and in contact with the osteotomy implant.09-01-2011
20100249789METHOD FOR PERFORMING AN ORTHOPAEDIC SURGICAL PROCEDURE - A method for performing an orthopaedic surgical procedure on a knee joint of a patient includes resecting a proximal end of a patient's tibia to create a resected surface of the patient's tibia and positioning a tibial paddle of a sensor module on the proximal end of the patient's tibia. The tibial paddle includes a sensor array generating sensor signals indicative of the joint force of the patient's knee joint. The method also includes performing a number of orthopaedic surgical steps while monitoring a display of the sensor module that provides a visual indication of the medial-lateral balance of the joint force of the patient's knee joint.09-30-2010
20110137316Total Knee Arthroplasty Method - A total knee arthroplasty (TKA) set that includes a universal cutting jig for shaping the distal femur is disclosed, along with corresponding TKA methods. The universal cutting jig may be used to create a shaped femur that can receive multiple and different TKA implant designs. A universal high flexion knee system adapted for left-right use is also disclosed.06-09-2011
20110251617METHOD AND APPARATUS FOR PERFORMING AN OPEN WEDGE, HIGH TIBIAL OSTEOTOMY - Apparatus for performing an open wedge, high tibial osteotomy, the apparatus comprising a wedge-shaped implant for disposition in a wedge-shaped opening created in the tibia, wherein the wedge-shaped implant comprises at least one key for disposition in at least one corresponding keyhole formed in the tibia adjacent to the wedge-shaped opening created in the tibia, wherein each of the at least one keys comprises an interior bore for receiving a fixation screw, at least one fixation screw for disposition in the interior bore of the at least one key, and further wherein the apparatus is configured so that when the at least one fixation screw is received in the interior bore, the at least one fixation screw terminates within the bore.10-13-2011
20100063509SYSTEMS AND METHODS FOR JOINT REPLACEMENT - Systems and methods for joint replacement are provided. The systems and methods include a surgical orientation device and at least one orthopedic fixture. The surgical orientation device and orthopedic fixtures can be used to locate the orientation of an axis in the body, to adjust an orientation of a cutting plane or planes along a bony surface, to distract a joint, or to otherwise assist in an orthopedic procedure or procedures.03-11-2010
20090216236DEVICE FOR ORIENTING THE TIBIAL TUNNEL POSITION DURING AN ACL RECONSTRUCTION - A device for positioning a tibial tunnel during ACL reconstruction is provided. The device includes a portion insertable into a pre-formed opening in the femur. Also provided is a method for positioning a tibial tunnel during ACL reconstruction. The method includes the steps of forming an opening in a femur bone, inserting a portion of a device into the opening, and using the device to position an opening in a tibia bone.08-27-2009
20100069911SYSTEMS AND METHODS FOR JOINT REPLACEMENT - Systems and methods for joint replacement are provided. The systems and methods include a surgical orientation device and at least one orthopedic fixture. The surgical orientation device and orthopedic fixtures can be used to locate the orientation of an axis in the body, to adjust an orientation of a cutting plane or planes along a bony surface, to distract a joint, or to otherwise assist in an orthopedic procedure or procedures.03-18-2010
20110071532Systems Using Imaging Data to Facilitate Surgical Procedures - Systems and processes for tracking anatomy, instrumentation, trial implants, implants, and references, and rendering images and data related to them in connection with surgical operations, for example total knee arthroplasties (“TKA”). These systems and processes are accomplished by using a computer to intraoperatively obtain images of body parts and to register, navigate, and track surgical instruments.03-24-2011
20110071529SYSTEMS USING IMAGING DATA TO FACILITATE SURGICAL PROCEDURES - Systems and processes for tracking anatomy, instrumentation, trial implants, implants, and references, and rendering images and data related to them in connection with surgical operations, for example total knee arthroplasties (“TKA”). These systems and processes are accomplished by using a computer to intraoperatively obtain images of body parts and to register, navigate, and track surgical instruments.03-24-2011
20110071533Patient-Specific Orthopedic Instruments - An orthopedic device includes a patient-specific alignment guide operable for preparing a bone of a patient for resection during joint arthroplasty. The alignment guide includes a patient-specific bone engagement surface complementary to a surface of the bone of the patient and imaged from a bone scan of the patient. The alignment guide includes a plurality of guiding bores, and a plurality of alignment pins received through corresponding guiding bores for attaching the alignment guide to the bone. The alignment pins are resorbable and can be cut off during a resection of the bone.03-24-2011
20110071531SYSTEMS USING IMAGING DATA TO FACILITATE SURGICAL PROCEDURES - Systems and processes for tracking anatomy, instrumentation, trial implants, implants, and references, and rendering images and data related to them in connection with surgical operations, for example total knee arthroplasties (“TKA”). These systems and processes are accomplished by using a computer to intraoperatively obtain images of body parts and to register, navigate, and track surgical instruments.03-24-2011
20110071530Total knee arthroplasty systems and processes - Systems and processes for tracking anatomy, instrumentation, trial implants, implants, and references, and rendering images and data related to them in connection with surgical operations, for example total knee arthroplasties (“TKA”). These systems and processes are accomplished by using a computer to intraoperatively obtain images of body parts and to register, navigate, and track surgical instruments.03-24-2011
20110071528Systems Using Imaging Data to Facilitate Surgical Procedures - Systems and processes for tracking anatomy, instrumentation, trial implants, implants, and references, and rendering images and data related to them in connection with surgical operations, for example total knee arthroplasties (“TKA”). These systems and processes are accomplished by using a computer to intraoperatively obtain images of body parts and to register, navigate, and track surgical instruments.03-24-2011
20120123421CERAMIC CUTTIING TEMPLATE - A cutting template or a cutting block, preferably to a cutting template or a cutting block for use in medical technology.05-17-2012
20110060340IMPLANTS WITH TRANSITION SURFACES AND RELATED PROCESSES - Implants, and processes for installing them, which replace the medial condyle and portions of the patellofemoral channel but preferably not portions of the lateral condyle that articulate relative to the tibia. Processes are provided which allow proper location and orientation of an anterior resection and a distal resection on the femur, which make use of a transition point which can be designated on the bone, for navigating proper positioning of such implants. Proper positioning of the implant relative to the femur for insuring a smooth transition between lateral portions of the implant and the lateral condyle is thus reduced to determining proper medial/lateral location of the implant on the anterior and distal resections. Such implants and processes can allow, among other things, for controlled location and orientation of an implant on the bone which saves lateral compartment bone, which eliminates the need to sacrifice the anterior and posterior cruciate ligaments, and which is adapted for minimally invasive surgery with its attendant benefits.03-10-2011
20090143783FEMORAL SIZING GUIDE - An instrument for use in determining an anterior-posterior dimension of a femur during a minimally invasive surgical procedure includes a body having a base and a member extending upwardly from the base, said member providing a first part of a sliding mechanism. A stylus includes a stylus support providing a second part of a sliding mechanism which can engage with the member to allow relative sliding movement between the stylus and base, and a stylus member mounted on the stylus support. An implant size indicator interacts with the sliding mechanism to be moved relative to a scale by the member to indicate a size of an implant corresponding to the relative positions of the body and stylus.06-04-2009
20090138020GENERATING MRI IMAGES USABLE FOR THE CREATION OF 3D BONE MODELS EMPLOYED TO MAKE CUSTOMIZED ARTHROPLASTY JIGS - Disclosed herein is a method of creating a customized arthroplasty jig. The method may include: generating two-dimensional MRI images of a patient's joint area to undergo arthroplasty; electronically orienting the two dimensional MRI image slices to account for the patient's joint area being randomly physically oriented in a scanning area of a MRI machine; generating a three-dimensional bone image of at least a portion of a bone of the patient's joint area from the generated two-dimensional MRI images; using the three-dimensional bone image to generate data pertaining to the customized arthroplasty jig, wherein the data includes bone surface information; providing the data to at least one manufacturing device; and employing the bone surface information to cause the at least one manufacturing device to create a surface on the arthroplasty jig configured to matingly receive a surface of the bone.05-28-2009
20110257654METHOD AND APPARATUS FOR FEMORAL RESECTION ALIGNMENT - The apparatus of the present invention includes a number of components including a guide body component, an extension block component, a rotating arm component, an extension rod component, and a tibial referencing component. The guide body component contacts the distal-most surface of the femur. Its location is based off of the posterior femoral condyles and the surface of the distal-most femoral resection or the unresected distal-most femoral surface. The rotating arm component is interconnected with the guide body and may rotate with respect thereto, thus allowing for the direct or indirect adjustment of the rotating alignment of cutting guides for resecting the distal femur. The rotating arm component carries arms with drill screw apertures which direct placement of drill holes in the femur which are used to attach a cutting guide to the femur. The rotating arm component is attached to the extension rod component which extends to the tibial referencing component which references the location and orientation of the proximal resected surface of the tibia. Thus the rotating alignment of the distal femoral prosthesis is established with respect to the orientation of the resected proximal tibial surface.10-20-2011
20080215057Instrument for Preparing and/or Machining a Femoral Head - The invention relates to an instrument for preparing and/or machining a femoral head (09-04-2008
20080255566Osteochondral Autograft Transplantation Procedure and Apparatus - A surgical procedure according to which a cutting device is connected in a spaced relationship to an anchor, and the anchor is located over a first area of the bone. The distance between the cutting device and the anchor is adjusted so that the cutting device extends over a second area of the bone, and the anchor is driven into the first area of the bone so that the cutting device cuts into the second area.10-16-2008
20110046629ADJUSTABLE FEMORAL RESECTION GUIDE - A chamfer resection guide assembly for a distal total knee implant has an anchor member for anchoring into a resected distal surface of a femur, a block member including one or more cutting guide slots for guiding a cutting tool for making chamfer resections and a camming member. The camming member operably connects the block member and the anchor member and the position of the block member with respect to the anchor member is adjusted by operation of the camming member thus allowing adjustment of the position of the cutting guide slots with respect to the anchoring member.02-24-2011
20090171360APPARATUS FOR LOADING TENDONS INTO THE KNEE - A surgical kit for loading ligament grafts into a joint. A longitudinal socket formed in a bone is intersected by a transverse pin. The kit includes a flexible strand that is drawn with a pin through the bone. The strand is positioned so that a looped portion of the strand protrudes out of the entrance to the longitudinal socket. The ends of the strand remaining accessible on either side of the bone. The ligament graft is captured within the strand loop protruding from the entrance to the socket. The strand is retracted into the socket, drawing the graft into the socket. The kit includes an implant for transversely fixing the graft in the socket.07-02-2009
20110264097ACL ACCOMMODATING TIBIAL DESIGN - Surgical methods and tibial implants (10-27-2011
20100241126DEVICE AND METHOD FOR INSTALLING FEMORAL PROSTHETIC KNEE JOINT - Devices and method for performing replacement prosthetic knee surgery are disclosed in which a spacing means is introduced between the femur (09-23-2010
20100082034IMPLANT DESIGNS, APPARATUS AND METHODS FOR TOTAL KNEE RESURFACING - A ligament and bone conserving prosthesis for total knee resurfacing includes a distal femoral component which resurfaces the weight bearing portions of both femoral condyles and the trochlear groove. The prosthesis also includes implants to independently resurface the medial and lateral tibial plateaus in an inset manner. Also disclosed are apparatus and methods for performing the total knee resurfacing utilizing a minimally invasive, bone and ligament conserving manner.04-01-2010
20100191245Trochlear Resurfacing System and Method - A system for repairing a defect on an articular surface of a patient's trochlear region, the system comprising a guide block comprising a body having an exterior surface configured to engage with the saddle portion and ridge portions of the patient's trochlear region, a protrusion extending generally from the body and configured to be received in a first bore formed in the articular surface along a reference axis, and a first cavity extending through the body configured to establish a first working axis displaced from the reference axis, wherein the exterior surface of the body and the protrusion are configured to secure the location of the guide block about the patient's trochlear region. A method for preparing an implant site in bone, comprising: establishing a reference axis extending from the bone; creating a bore in the bone by reaming about the reference axis; securing a guide block about the articular surface; establishing a first working axis extending from the bone using the guide block, the first working axis is displaced from the reference axis; and creating a first socket in the bone by reaming about the first working axis, wherein the first socket partially overlaps with the bore.07-29-2010
20110112542ADJUSTABLE REVISION GUIDE - An axial height adjustable, revision cutting in the shape of a final distal femur implant component. The revision guide includes a rod adapted for intimate contact within an intramedullary canal of a femur, and includes a threaded passageway. The revision cutting guide is adapted for removable attachment to a distal portion of the femur. A vernier-bolt is rotatably positioned through the shaped body of the revision cutting guide so as to be adjustably received within the threaded passageway thereby providing for movement of the shaped body of the revision cutting guide relative to the distal portion of the femur.05-12-2011
20080228189Distal femoral cutting guide - A system locates a femoral cutting guide on a distal end of a femur. The femoral cutting guide establishes at least a first reference plane to perform a distal femoral planar cut. The system generally includes a mounting rod operable to insert into the distal end of the femur. An index member is operable to abut the distal end of the femur. A bridge member extends from the index member. A cutting guide member extends from the bridge member. The cutting guide member includes a first channel that establishes the first reference plane. A mounting mechanism releasably couples the cutting guide member to the bridge member. The mounting mechanism is operable to generate a sliding resistance between the bridge member and the cutting guide member that is generally overcome to position the cutting guide member relative to the femur.09-18-2008
20120209275METHOD AND APPARATUS FOR PERFORMING KNEE ARTHROPLASTY - A set of instruments for preparing a femur and tibia for receipt of a partial knee prosthesis can include a femoral drill guide that is selectively connected to an intramedullary (IM) rod. At least one sizing spoon can communicate with the femoral drill guide. The femoral drill guide can have terminal cutting surfaces. A tibial cut guide can be selectively connected to the femoral drill guide. A dial member can be disposed on one of the femoral or tibial cut guides that when rotated moves at least one of the spoons in a superior/inferior direction.08-16-2012
20120116407APPARATUS FOR KNEE SURGERY AND METHOD OF USE - The present invention comprises a set of instruments and a method for their use in preparing a knee joint to receive knee implants. The inventive instruments and method are generally suitable for knee joint surgery. Furthermore, they include features that make them suitable for performing a minimally invasive knee surgery in which a smaller than normal incision is made and oriented to preserve the quadriceps mechanism and protect the suprapatellar pouch. The instruments permit switching from a minimally invasive technique to a standard open technique at any point in the procedure. An illustrative set of instruments for total knee arthroplasty and an associated minimally invasive technique are described.05-10-2012
20110166578ALIGNMENT GUIDES WITH PATIENT-SPECIFIC ANCHORING ELEMENTS - An orthopedic device for joint arthroplasty includes an alignment guide and a number of patient-specific anchoring elements. The alignment guide can be mounted on a bone of a patient during joint arthroplasty. The patient-specific anchoring elements extend from an inner surface of the alignment guide and have a patient-specific length relative to an outer bone surface of the bone of the patient.07-07-2011
20120116406IP PRECISION BLADE GUIDE - A bone resection system for a prosthetic implant having an anterior and posterior outer surface attached to bone has a cutting guide having slotted guide surfaces thereon mountable on the prosthetic implant. The guide surfaces are alignable with the implant outer anterior and posterior surfaces. A saw comprising a housing having spaced apart first and second sides joined by first and second edge surfaces and having a proximal end and a distal end can be inserted into the slotted guide surfaces. A cutting head drive system on the housing drives a cutting head having teeth extending outwardly of the distal end of the housing. A cam element is mounted on the saw housing intermediate the proximal and the distal ends. The cam element has a distal end with a guide arm extending therefrom engagable, during insertion, with the guide surface on the cutting guide. The cam element having a stop surface for engaging a stop surface on the cutting guide to limit blade travel.05-10-2012
20100305575Methods and Apparatus for Performing Knee Arthroplasty - Methods and apparatus for performing knee arthroplasty, including, but not limited to, bicruciate retaining knee arthroplasty, are described herein. Methods and apparatus for preparing a distal femur for a femoral implant as well as methods and apparatus for preparing a proximal tibia for a tibial implant are described. These methods and apparatus, in at least some embodiments and uses, facilitate decreasing the complexity of knee arthroplasty procedures such as bicruciate retaining procedures, while maintaining, if not improving on, the safety, accuracy and/or effectiveness of such procedures.12-02-2010
20090024131PATIENT SPECIFIC GUIDES - A device for an orthopedic knee procedure. The device includes a drill guide having a body portion and first and second posts extending from the body portion, the first and second posts defining first and second internal through-bores, the first post having a first cross-sectional shape and the second post having a second cross-sectional shape different than the first cross-sectional shape of the first post.01-22-2009
20110092978SYSTEMS AND METHODS FOR FACILITATING SURGICAL PROCEDURES INVOLVING CUSTOM MEDICAL IMPLANTS - Systems and methods for planning surgical procedures involving custom medical implants that can involve the selection, design and/or creation of custom medical implants and/or the selection, modification, and/or design of custom surgical procedures related to those implants. Certain embodiments allow implants to be selected, designed, created, or otherwise customized and then placed in patients using non-standard surgical techniques. The invention provides greater flexibility in implant use by allowing a surgeon to revise, create, or otherwise select surgical techniques for custom implants and, ultimately, provide better treatment in a greater variety of medical circumstances. Certain embodiments of the invention involve computer assisted surgery to provide for implant-related surgery involving non-standard surgical steps and/or implants.04-21-2011
20110092977LOW PROFILE PATIENT SPECIFIC CUTTING BLOCKS FOR A KNEE JOINT - A low profile patient specific cutting block for a knee comprises a plurality of bone interfacing portions and a cutting slot. The plurality of bone interfacing portions are configured to overlie portions of an end of a bone. The bone interfacing portions each have a surface generally a negative of the portion of the bone the bone interfacing portion overlies. The bone interfacing portions are angularly offset from each other such that a first of the bone interfacing portions overlies an anterior portion of the bone and a second of the bone interfacing portions overlies a portion of bone generally perpendicular to the anterior portion of hone. The cutting slot is oriented in a fixed position relative to the bone interfacing portions such that the cutting slot directs a cutting tool at a fixed angle and at a fixed depth from the bone interfacing portions.04-21-2011
20120065640PATIENT-SPECIFIC KNEE ALIGNMENT GUIDE AND ASSOCIATED METHOD - An orthopedic device for preparing a knee joint for a prosthesis in a patient includes a femoral alignment guide. The femoral alignment guide has a patient-specific three-dimensional curved inner surface preoperatively configured from medical image scans of the knee joint of the patient to nestingly conform and mate and match only in one position to a corresponding three-dimensional femoral surface of a joint surface of the patient. The femoral alignment guide has a first guiding aperture corresponding to a distal portion of the femoral surface and a second guiding aperture corresponding to an anterior portion of the femoral surface.03-15-2012
20120172882APPARATUS FOR PREOPERATIVE PLANNING OF ARTIFICIAL KNEE JOINT REPLACEMENT OPERATION AND JIG FOR SUPPORTING OPERATION07-05-2012
20120209276DEVICE FOR THE RESECTION OF BONES, METHOD FOR PRODUCING SUCH A DEVICE, ENDOPROSTHESIS SUITED FOR THIS PURPOSE AND METHOD FOR PRODUCING SUCH AN ENDOPROSTHESIS - The present invention refers to a device for the resection of bones (08-16-2012
20120071883PATIENT SELECTABLE JOINT ARTHROPLASTY DEVICES AND SURGICAL TOOLS - Disclosed herein are methods, compositions and tools for repairing articular surfaces repair materials and for repairing an articular surface. The articular surface repairs are customizable or highly selectable by patient and geared toward providing optimal fit and function. The surgical tools are designed to be customizable or highly selectable by patient to increase the speed, accuracy and simplicity of performing total or partial arthroplasty.03-22-2012
20120071882PATIENT SELECTABLE JOINT ARTHROPLASTY DEVICES AND SURGICAL TOOLS - Disclosed herein are methods, compositions and tools for repairing articular surfaces repair materials and for repairing an articular surface. The articular surface repairs are customizable or highly selectable by patient and geared toward providing optimal fit and function. The surgical tools are designed to be customizable or highly selectable by patient to increase the speed, accuracy and simplicity of performing total or partial arthroplasty.03-22-2012
20120158001Surgical Tools Facilitating Increased Accuracy, Speed and Simplicity in Performing Joint Arthroplasty - Disclosed herein are tools for repairing articular surfaces repair materials and for repairing an articular surface. The surgical tools are designed to be customizable or highly selectable by patient to increase the speed, accuracy and simplicity of performing total or partial arthroplasty.06-21-2012
20100191244SURGICAL TEMPLATES - A surgical template system for use in working on a bone comprises: a tool guide block comprising at least one guide aperture for receiving and guiding a tool to work on a bone; locating means comprising a plurality of locating members, each member having a respective end surface for positioning against a surface of the bone; and attachment means for non-adjustably attaching the tool guide block to the locating means such that, when attached, the member end surfaces are secured in fixed position with, respect to each other, for engaging different respective portions of the surface of the bone, and the at least one guide aperture is secured in a fixed position with respect to the end surfaces. Corresponding methods of manufacturing a surgical template system, methods of manufacturing locating means for a surgical template system, methods of fitting a prosthesis to a bone, surgical methods, and surgical apparatus are described.07-29-2010
20110106091KNEE ARTHROPLASTY APPARATUS AND METHOD - A method for positioning a bone cutting guide on a tibia may involve coupling a cutting guide positioning apparatus with a tibia, adjusting the positioning apparatus in a varus/valgus orientation, adjusting the positioning apparatus in an anterior/posterior orientation, adjusting the positioning apparatus up or down to select a tibial bone resection level, and contacting a cutting guide with the tibia, using the adjusted positioning apparatus.05-05-2011
20110106093PATIENT-SPECIFIC MILL GUIDE - A patient-specific surgical system, such as a patient-specific milling guide, is provided for preparing a bone to receive an orthopedic prosthesis.05-05-2011
20110106092BONE POSITIONING DEVICE AND METHOD - A method for positioning a bone cut on a bone may involve: coupling a bone cut positioning apparatus with a body bone; adjusting the positioning apparatus in a varus/valgus orientation relative to the body bone; adjusting the positioning apparatus in an anterior/posterior orientation relative to the body bone; and adjusting the positioning apparatus up or down to select a bone resection level.05-05-2011
20100094300APPARATUS FOR KNEE SURGERY AND METHOD OF USE - The present invention comprises a set of instruments and a method for their use in preparing a knee joint to receive knee implants. The inventive instruments and method are generally suitable for knee joint surgery. Furthermore, they include features that make them suitable for performing a minimally invasive knee surgery in which a smaller than normal incision is made and oriented to preserve the quadriceps mechanism and protect the suprapatellar pouch. The instruments permit switching from a minimally invasive technique to a standard open technique at any point in the procedure. An illustrative set of instruments for total knee arthroplasty and an associated minimally invasive technique are described.04-15-2010
20090131942Femoral Tibial Customized Patient-Specific Orthopaedic Surgical Instrumentation - A number of orthopaedic surgical instruments are also disclosed. A method, apparatus, and system for fabricating such instruments are also disclosed.05-21-2009
20120172881Ligament Balancer and Drill Guide - A ligament balancer for a knee is disclosed that includes a first guide portion having a first guide hole extending there through, and a second guide portion having a second guide hole extending there through, the first and second guide portions being moveable with respect to each other along a movement axis, the balancer being adapted such that, in use, the movement axis is substantially parallel to the anterior/posterior axis of a distal femoral surface. Also disclosed is a kit of parts that includes the ligament balancer and a drill guide for a knee, the drill guide includes first and second connected arms, each arm comprising at least two guide openings extending there through, the guide openings being spaced longitudinally along each arm, longitudinal axes of the first and second arms intersecting at a predetermined angle. Also disclosed is a method of attaching a cutting block to a distal femoral surface as part of a knee replacement procedure.07-05-2012
20100057088Distal Femoral Cutting Guide - An apparatus for resecting the distal face of either the left or right femur at a predetermined valgus angle relative to the patient's intramedullary canal prior to implanting the femoral component of a total knee prosthesis. The apparatus has a distal elongate sword having a longitudinal axis and being adapted for insertion into the intramedullary canal of the femur. A proximal handle is connected to and has a longitudinal axis coaxial with the sword. A base cartridge is fixed intermediate the sword and handle and has an axial passage extending therethrough. A face plate is fixed at the distal end of the base cartridge and is adapted to abut the face of the natural distal femur. The face plate is oriented at the predetermined valgus angle relative to the longitudinal axis of the sword. A cutting jig connects to the base cartridge. The cutting jig has a guide plate with at least one blade slot adapted to receive and guide a cutting blade, and a bracket that supports the guide plate and detachably engages the axial passage and orients the at least one blade slot at the predetermined valgus angle relative to the longitudinal axis.03-04-2010
20100049199TIBIAL GUIDE FOR ACL REPAIR HAVING MOVEABLE DISTAL FEATURES - A device for positioning a tibial tunnel during ACL reconstruction is provided. The device may include an elongated body having proximal and distal ends, an arm extending from the distal end of the elongated body. A distal portion of the arm may be configured for insertion into a preformed opening in a femur. The arm and the body may be moveable relative to each other. Also, the device may include an additional member that is moveable relative to the arm and the body.02-25-2010
20100049196TIBIAL GUIDE FOR ACL REPAIR HAVING INTERCHANGEABLE AND/OR ROTATABLE OUTRIGGER - A device for positioning a tibial tunnel during ACL reconstruction, the device comprising: a distal portion including a body and a distal arm extending from the distal end of the body, and an outrigger configured to be held by a user. The outrigger and the distal portion are selectively rotatable relative to each other such that the distal portion and the outrigger may be selectively moved out of alignment relative to each other when viewed from above.02-25-2010
20120316567SYSTEMS AND METHODS FOR JOINT REPLACEMENT - Systems and methods for joint replacement are provided. The systems and methods include a surgical orientation device, a reference sensor device, and at least one orthopedic fixture. The surgical orientation device, reference sensor device, and orthopedic fixtures can be used to locate the orientation of an axis in the body, to adjust an orientation of a cutting plane or planes along a bony surface, or otherwise to assist in an orthopedic procedure(s).12-13-2012
20120239045PATIENT-SPECIFIC INSTRUMENTS FOR TOTAL ANKLE ARTHROPLASTY - Patient-specific instruments for preparing bones for receipt of orthopedic prostheses, such as the distal tibia and the talus in a total ankle arthroplasty (TAA) procedure. A tibial guide and a talar guide are manufactured based on patient-specific anatomical data obtained using imaging technology, and each guide includes a surface conforming to selected anatomical surfaces or regions of the tibia or talus, respectively. Each guide includes at least one cut referencing surface, such as a cut slot, to guide a resection, and may also include a guide aperture sized to guide a reaming tool for reaming the distal tibia or talus. The guides may also include pin holes positioned within a periphery defined by the cut referencing surfaces such that, when the resections are made and the resected tibial bone portion or talus bone portion is removed, the guide and its associated pins are removed along with the resected bone portion. The guides may be designed to ensure that a proximal resected surface of the distal tibia is parallel to a resected surface of the talus, with the parallel resected surfaces perpendicular to the anatomical axis of the distal tibia.09-20-2012
20120323245CUTTING GUIDE AND METHOD FOR PERFORMING LATERAL RETINACULAR RELEASE - Apparatus and methods are used for severing at least a portion of a lateral retinaculum as part of a lateral release procedure. An elongated guide body has a first, smooth side and second, opposing side having a lengthwise track with a groove. A pushrod having a cutting device is insertable into the track such that the cutting device protrudes from the lengthwise groove, thereby enabling a user to move the pushrod and sever a lateral retinaculum using the cutting device. The cutting device may be a sharp blade or an electrocautery. A method of performing a lateral retinacular release may comprise the steps of inserting the elongated guide body under the skin and subcutaneous fat with the second, opposing side facing a lateral retinaculum; inserting the pushrod into the track of the body; and pushing or pulling the pushrod such that the cutting device severs a lateral retinaculum.12-20-2012
20120323246Patient-Specific Partial Knee Guides And Other Instruments - A patient-specific unicompartmental tibial guide has a patient-specific body with an inner surface. The inner surface is preoperatively configured to nestingly conform and mate in only one position with an anterior portion and a proximal portion of a tibial bone of a specific patient. The tibial guide includes a vertical resection channel having a variable width preoperatively configured for guiding a vertical resection through the proximal portion of the tibial bone.12-20-2012
20120277751PATIENT-SPECIFIC CONVERTIBLE GUIDES - A convertible patient-specific guide for use in arthroplasty has a body having a patient-specific three-dimensional undersurface closely mateable engageable in only one position with a corresponding joint surface of a specific patient. The convertible guide includes patient-specific guiding formations extending from the body and configured for guiding both a total arthroplasty of the joint and a partial arthroplasty of the joint, such that the arthroplasty to be performed is intraoperatively changeable.11-01-2012
20120089147Methods And Apparatus For Preparing a Patient's Femur For Patellofemoral Knee Arthroplasty - Methods and apparatus provide for modifying a patient's femur to receive a patellofemoral prosthesis, including: a distal punch, an anterior punch and a trochlear punch which are used in well defined orientations to remove material from the femur to accommodate complex geometries of a patellofemoral prosthesis; and optionally a guide operating to engage a distal end of the femur, the guide including a distal slot, an anterior slot and a transverse slot, which ensure that the punches achieve the desired orientations.04-12-2012
20120330317Method for Repairing Bone Defects - A method for repairing a soft tissue or bone defect can include selecting one of a plurality of sizing guides having a base perimeter size corresponding to a size of the defect, where each base has a different perimeter size and a plurality of apertures spaced apart a predetermined distance from each other, with the predetermined distance being the same for each of the sizing guides. The selected sizing guide base can be positioned against a distal end of the femur relative to the defect. A plurality of guide wires can be positioned through the plurality of apertures in the sizing guide base and the guide wires can be fixed to the femur such that the guide wires are parallel to each other. A first guide can be positioned over the guide wires and against the distal end of the femur to guide a first cutting member relative to the femur.12-27-2012
20130184714Bone Resection Jig Used in Artificial Knee Joint Replacement Surgery - A bone resection jig that can make ligament tension equal at extension and flexion positions without any actual measurements when resecting femur and tibia during artificial knee joint replacement surgery. The bone resection jig used in artificial knee joint replacement surgery includes a spacer block (07-18-2013
20120101505PATELLAR RESECTION INSTRUMENT WITH VARIABLE DEPTH GUIDE - A patellar resection instrument has an integral depth adjustment assembly that is easily, intuitively, and intra-operatively adjustable between a plurality of discrete positions. Each position corresponds to a particular, known depth of resection, and this depth may optionally be inscribed on the depth adjustment knob for easy visual selection and/or confirmation of the resection depth. The depth adjustment assembly provides positive tactile feedback as the stylus is moved between positions. The unique configuration of the depth adjustment assembly maintains the resection depth stylus in a chosen position throughout the patellar resection procedure, even if the procedure causes vibration or other forces to be transmitted to the patellar resection instrument.04-26-2012
20120101504FLEXIBLE ATTACHMENT FOR AN EXTRAMEDULLARY SURGICAL INSTRUMENT - An extramedullary cut guide alignment assembly allows various adjustments to the cut guide without introducing bending stresses in the rest of the assembly. More particularly, the angular orientation of the cut guide with respect to the tibia may be freely changed during use, while maintaining the angular orientation of the proximal fixation arm of the alignment assembly with respect to the proximal tibial surface to which the arm is affixed. To achieve this decoupling of the angular orientations of the fixation arm and cut guide, the proximal fixation arm is pivotably mounted to the cut guide alignment assembly. Thus, the alignment assembly may be adjusted as necessary to achieve a desired angular orientation of the cut guide mounted thereto, while the pivotable junction between the alignment assembly and the proximal fixation arm automatically adjusts to accommodate the changing angular arrangement.04-26-2012
20100185203FEMORAL PROSTHETIC IMPLANT - Methods and apparatus for knee arthroplasty, including implants, positioning and alignment guides, cutting guides, cutting tools and techniques for the femur and/or tibia.07-22-2010
20100185202CUSTOMIZED PATIENT-SPECIFIC PATELLA RESECTIONING GUIDE - A customized patient-specific patella resectioning guide is disclosed. The customized patient-specific patella resectioning guide includes a body and a cutting guide coupled to the body. The body includes a customized patient-specific negative contour configured to receive a portion of the posterior side of a patient's patella. The cutting guide may be a captured or non-captured cutting guide. A method for fabricating and using such orthopaedic guides is also disclosed.07-22-2010
20100168753ORTHOPAEDIC CUTTING BLOCK HAVING A CHEMICALLY ETCHED METAL INSERT AND METHOD OF MANUFACTURING - An orthopaedic surgical instrument comprising an orthopaedic cutting block includes a metallic bearing insert configured to support a bone cutting tool and a body molded to the bearing insert. The bearing insert includes a plurality of chemically etched holes, and the body is molded to the bearing insert such that each of the plurality of chemically etched holes is at least partially filled by a portion of the body. The body of the orthopaedic cutting block may include a bone-facing surface adapted to contact a portion of a patient's bone, and the bearing insert may be positioned to allow a surgeon to perform a cut on the patient's bone using the bearing insert for support. A method of manufacturing an orthopaedic surgical instrument is also disclosed.07-01-2010
20100168754Joint Arthroplasty Devices and Surgical Tools - Disclosed herein are methods, compositions and tools for repairing articular surfaces repair materials and for repairing an articular surface. The articular surface repairs are customizable or highly selectable by patient and geared toward providing optimal fit and function. The surgical tools are designed to be customizable or highly selectable by patient to increase the speed, accuracy and simplicity of performing total or partial arthroplasty.07-01-2010
20130018380JOINT ARTHROPLASTY DEVICES AND SURGICAL TOOLS - Disclosed herein are methods, compositions and tools for repairing articular surfaces repair materials and for repairing an articular surface. The articular surface repairs are customizable or highly selectable by patient and geared toward providing optimal fit and function. The surgical tools are designed to be customizable or highly selectable by patient to increase the speed, accuracy and simplicity of performing total or partial arthroplasty.01-17-2013
20130023884JOINT ARTHROPLASTY DEVICES AND SURGICAL TOOLS - Disclosed herein are methods, compositions and tools for repairing articular surfaces repair materials and for repairing an articular surface. The articular surface repairs are customizable or highly selectable by patient and geared toward providing optimal fit and function. The surgical tools are designed to be customizable or highly selectable by patient to increase the speed, accuracy and simplicity of performing total or partial arthroplasty.01-24-2013
20130023883PATELLA ORTHOPAEDIC SURGICAL INSTRUMENT ASSEMBLY - An orthopaedic surgical instrument assembly including a handle and a plurality of surgical tools configured to be selectively coupled with the handle. The handle includes a housing and a lever moveably coupled to the housing. Each surgical tool of the plurality of surgical tools includes a first clamping element and a second clamping element configured to move relative to the first clamping element. The second clamping element is configured to be coupled to the lever such that moving the lever relative to the housing advances the second clamping element toward the first clamping element to clamp a bone of a patient.01-24-2013
20130096562JOINT ARTHROPLASTY DEVICES AND SURGICAL TOOLS - Disclosed herein are methods, compositions and tools for repairing articular surfaces repair materials and for repairing an articular surface. The articular surface repairs are customizable or highly selectable by patient and geared toward providing optimal fit and function. The surgical tools are designed to be customizable or highly selectable by patient to increase the speed, accuracy and simplicity of performing total or partial arthroplasty.04-18-2013
20130096563TOTAL JOINT INSTRUMENTATION AND METHOD FOR USE - A total joint instrument set according to an exemplary aspect of the present disclosure includes, among other things, a guide assembly that orients a cut in a first bone and a linkage guide that orients a cut in a second bone. A positioning of the linkage guide is mechanically linked to at least a portion of the guide assembly.04-18-2013
20130123787DEVICES AND METHODS FOR PERFORMING KNEE ARTHROPLASTY - Methods and devices for performing knee arthroplasty including but not limited to bicruciate retaining knee arthroplasty are provided. Methods and devices for preparing a proximal tibia for a tibial implant are also provided. These methods and devices, in at least some embodiments and uses, facilitate decreasing the complexity of knee arthroplasty procedures such as bicruciate retaining procedures while maintaining, if not improving on, the safety, accuracy and/or effectiveness of such procedures.05-16-2013
20130123789SYSTEM AND METHOD FOR MANUFACTURING ARTHROPLASTY JIGS HAVING IMPROVED MATING ACCURACY - Disclosed herein is a method of defining a mating surface in a first side of an arthroplasty jig. The mating surface is configured to matingly receive and contact a corresponding patient surface including at least one of a bone surface and a cartilage surface. The first side is oriented towards the patient surface when the mating surface matingly receives and contacts the patient surface. The method may include: a) identifying a contour line associated with the patient surface as represented in a medical image; b) evaluating via an algorithm the adequacy of the contour line for defining a portion of the mating surface associated with the contour line; c) modifying the contour line if the contour line is deemed inadequate; and d) employing the modified contour line to define the portion of the mating surface associated with the contour line.05-16-2013
20110218541FEMORAL CUT GUIDE - The present disclosure provides a femoral cut guide for preparing a distal femur to receive a prosthetic femoral component of a knee implant. The prosthetic femoral component includes a central box. The femoral cut guide replicates the size and shape of the prosthetic femoral component, such that the femoral cut guide may serve as a trial or provisional component used to reduce and test the prepared knee joint before implanting the final prosthetic femoral component. The femoral cut guide includes a detachable box cut guide for preparing the distal femur to receive the central box of the prosthetic femoral component.09-08-2011
20110218543SYSTEMS AND METHODS FOR JOINT REPLACEMENT - Systems and methods for joint replacement are provided. The systems and methods include a surgical orientation device, a reference sensor device, and at least one orthopedic fixture. The surgical orientation device, reference sensor device, and orthopedic fixtures can be used to locate the orientation of an axis in the body, to adjust an orientation of a cutting plane or planes along a bony surface, or otherwise to assist in an orthopedic procedure(s).09-08-2011
20110218542Systems and instrumentalities for use in total ankle replacement surgery - Custom radiographically designed tibial and talar cutting guide system and instrumentalities including a tibial cutting guide position verification device is disclosed. A computer-based system and method for making the custom radiographically designed tibial and talar cutting guides is also disclosed. Further disclosed is an adjustable tibial reaming guide positioning system for allowing a position for reaming of a distal tibia to be adjusted during total ankle replacement surgery and, particularly, during total ankle arthroplasty for prostheses with an intramedullary stem.09-08-2011
20130150862CUSTOMIZED PATIENT-SPECIFIC BONE CUTTING BLOCKS HAVING LOCATING FEATURES AND METHOD OF MAKING THE SAME - A number of orthopaedic surgical instruments are also disclosed. A method, apparatus, and system for fabricating such instruments are also disclosed.06-13-2013
20090306670Unicondylar Knee Instrument System - The present invention provides for an apparatus for cutting a tibia, a stylus, an apparatus for cutting a femur, an apparatus for aligning a femoral cutting guide, and an ankle clamp in support of a unicondylar knee surgery. The present invention further provides for a method of preparing a femoral condyle of a femur for the implantation of a unicondylar femoral knee implant. The apparatus for cutting a tibia includes a unicondylar tibial resection guide that is adjustably connectable to a unicondylar tibial alignment guide and configured to operate concurrently with the tibial alignment guide. The apparatus for cutting a femur includes a spacer block and a cutting guide configured to operate concurrently with the spacer block.12-10-2009
20120259342SYSTEM FOR POSITIONING A CUTTING GUIDE IN KNEE SURGERY - A system is provided for positioning a cutting guide on a femur of a knee to make a cut along a distal end of the femur during knee surgery. The system may generally include an adjustable femoral attachment member configured to attach to a cut distal end of the femur, a cutting guide removably attachable to the femoral attachment member and configured to guide a surgical saw to make an additional cut on the distal end of the femur, and a force sensor for positioning between the femoral attachment member and a proximal end of a tibia of the knee. The force sensor may include a medial portion for sensing a medial force in the knee and a lateral portion for sensing a lateral force in the knee.10-11-2012
20090076514Methods and apparatus for improved profile based resection - Alignment guides, cutting guides, cutting tools and soft tissue management techniques for profile based resection (PBR) arthroplasty facilitate intraoperative and postoperative efficacy and ease of use. In one embodiment, a manual alignment guide is provided that permits less invasive incisions by providing soft tissue accommodating contours or reliefs. In another embodiment, a single medial drill guide plate is used for the PBR arthroplasty.03-19-2009
20100305574Patient Selectable Joint Arthroplasty Devices and Surgical Tools - A patellar 3-D guidance tool includes a template. The template includes at least one contact surface for engaging a surface of the patella. The at least one contact surface substantially conforms with the surface associated with the patellar. At least one guide aperture directs movement of a surgical instrument, wherein the shape and/or position of the guide aperture is based, at least in part, on three or more anatomic reference points associated with the patellar.12-02-2010
20100318089METHOD AND APPARATUS FOR LESS INVASIVE KNEE RESECTION - Various method and apparatuses may be used to perform a procedure, such as a resection of a portion of the anatomy for preparation of the implants of a prosthetic. Various resecting member, including saw blades having selected geometries and shapes, can be used to assist in the resection of an anatomy to provide for implantation of a prosthetic. In addition, a cutting block assembly may be used to guide the resecting member. The cutting block assembly may be moveably mounted relative to the portion to be resected.12-16-2010
20130184712PATELLA RESECTION ASSEMBLY - A patella resection assembly comprises a handle, slide member and two claw members. The slide member is movably mounted on the handle and includes two diverging arms. Inner edges of the diverging arms contact outer edges of the claw members so that distal movement of the slide member causes the claw members to move toward each other and close around a patella. The claw members and slide member have teeth for grasping the patella as the claw members move together. The claw members also have flat co-planar surfaces for guiding the path of a saw blade during resection of the patella.07-18-2013
20130184713Anatomical Alignment Systems and Methods - Systems, methods and devices are disclosed for aligning surgical jigs, tools and implants in a patient.07-18-2013
20130123788SYSTEMS AND METHODS FOR GUIDING CUTS TO A FEMUR AND TIBIA DURING A KNEE ARTHROPLASTY - An assembly for guiding resection of a femur and tibia of a knee joint in preparation for installing a femoral and tibial knee components. For example, the assembly can include tibial and femoral IM rods to which are connected through a tensioning bolt that allows controlled adjustment of the distraction of the tibia and femur during cut positioning in a range of flexion angles. Also, the assembly is usable with relatively small, noninvasive approaches to the knee joint by way of relatively narrow, low profile components that attach to tibial and femoral IM rods. Further, the assembly includes several quick-release components to allow fast assembly and disassembly in a surgical setting. Each of these aspects, along with the ability of the assembly to accurately guide initial reference cuts to the tibia and femur, promotes an improved outcome for the patient.05-16-2013
20130190768CUSTOMIZED PATIENT-SPECIFIC TIBIAL CUTTING BLOCKS - A number of orthopaedic surgical instruments are disclosed. A method, apparatus, and system for fabricating such instruments are also disclosed.07-25-2013
20120010623CANNULATED SYSTEMS - Access to the interior of the knee portion of the leg may be obtained through a cannula. The cannula may be inserted into a incision. The cannula may stretch the viscoelastic material of tissues forming the knee portion of the leg. Insertion of the cannula into the incision may expand the incision. The cannula may be expanded to facilitate movement of implants through the cannula. The implant may be formed of two or more portions, which may facilitate movement of the implant through the cannula. After the plurality of portions of the implant have been moved through the incision, portions of the implant may be interconnected to form a unitary implant.01-12-2012
20130197527SYSTEMS, METHODS AND DEVICES FOR TIBIAL RESECTION - Systems, methods and device for tibial resection comprise a first cutting guide and a second cutting guide. The first cutting guide (08-01-2013
20130197528SURGICAL INSTRUMENTATION SPECIFIC TO A PATIENT FOR PREPARING A BONE OF THE PATIENT - Embodiments of the present invention relate to surgical instrumentation specific to a patient for preparing a bone including a patient-specific block delimiting a supporting surface shaped to fit the bone, and including a main portion partly delimiting the fixed supporting surface and at least two primary orifices for receiving a primary pin, crossing the block between the supporting surface and an opposite surface. The instrumentation also includes a secondary portion which belongs to the block, partly delimits the supporting surface and includes at least two secondary orifices for receiving a bone preparation tool crossing the block between the supporting surface and opposite surface of the block, and a mechanism for mechanically disengaging the secondary portion with respect to the main portion, suitable for, when the main portion is attached onto the bone with primary pins passed into the primary orifices, making the secondary portion removable with respect to the08-01-2013
20130204261CERAMIC CUTTING TEMPLATE - The invention relates to a cutting template, to a cutting block, preferably a cutting template, and to a cutting block for use in medical technology.08-08-2013
20130204259SURGICAL INSTRUMENTATION SET AND SURGICAL TECHNIQUE - A method for preparing bone to receive a prosthetic implant, according to an exemplary aspect of the present disclosure includes, among other things, positioning a bone preparation guide assembly on a bone, reaming the bone through a first cut opening of the bone preparation guide assembly, dividing the first cut opening into at least two distinct slots and making cuts in the bone through the at least two distinct slots.08-08-2013
20130204260CONE LOCK QUICK CONNECT MECHANISM - An apparatus includes a cut guide including a locking area, an alignment guide, and a connect mechanism to connect the cut guide to the alignment guide, wherein the connect mechanism includes a cone lock connect mechanism configured to engage with the cut guide locking area.08-08-2013
20130204258UNICONDYLAR KNEE REPLACEMENT - A kit of parts for use in unicondylar knee replacement of a patient having a femur and a tibia comprises a drill guide and an intramedullary rod, the intramedullary rod being sized to fit within the intramedullary canal of the femur of the patient. The drill guide is arranged so as to engage a distal end of the intramedullary rod to that which engages the patient's intramedullary canal, and is formed with a foot portion sized to fit between the patient's femur and tibia before any bone is removed from the femur or tibia. The drill guide provides a guide for drilling of at least one hole in the femur. A further kit of parts for use in unicondylar knee replacement of a patient having a femur and a tibia comprises a femoral component for implantation in the femur, the femoral component having a bearing surface having a radius of curvature, and a guide spoon. The guide spoon has a bowl-shaped portion with an internal radius of curvature the same as that of the bearing surface, and a handle portion extending from the bowl-shaped portion. Methods of performing unicondylar knee replacement are also described.08-08-2013
20120095473AUTOMATICALLY ADJUSTING PATELLA CUTTING GUIDE - A patella clamping device has a handle having a first arm and a second arm, the first and second arms each having a first gripping end and a second clamping end. The clamping end of each arm is movable towards the opposite arm by action on the gripping end of each arm. The clamping end of the first arm comprises a clamping surface opposed to a clamping surface on the clamping end of the second arm. The clamping end of each arm has a body portion having spaced first and second surface defining the opposed surface of each arm. A plurality of pins extend from the first surface to the second surface on each arm clamping end. A rotatable toothed jaw member is pivotally mounted on each of the pins. The jaw member has at least one tooth extending outwardly of the opposed surface of each arm for engaging the patella. Each body has a third surface spaced from the second surface to create a slot for receiving a saw blade.04-19-2012
20130211410Patella Resection Instrument Guide Having Optional Patient-Specific Features - Disclosed are improved and/or patient-adapted (e.g., patient-specific and/or patient-engineered) patellar clamp systems, surgical methods and related surgical tools. The various clamp assemblies can facilitate one-handed operation by a user and can include modular features that provide for ease of interchangeability to accommodate components having patient specific features that conform or substantially conform to the patient's patellar anatomy.08-15-2013
20130211411Tool For Use In Knee Surgery - A jig for use in knee surgery has a component shaped to represent the overall profile of a femoral prosthetic component of a specific side and size. Extending from the jig is an anterior reference arm having at least one of a cutting guide located thereon and means for attaching a cutting guide thereto. Also disclosed is a tibial replacement thickness spacer having a set of leaves. A tibial jig for use in knee surgery has a component having a tibial plate and tibial posts extending downwardly from the tibial plate, and an anterior reference arm. The arm has a cutting guide located thereon. Kits comprising these components are also described.08-15-2013
20130211409Surgical Tools Facilitating Increased Accuracy, Speed and Simplicity in Performing Joint Arthroplasty - Disclosed herein are tools for repairing articular surfaces repair materials and for repairing an articular surface. The surgical tools are designed to be customizable or highly selectable by patient to increase the speed, accuracy and simplicity of performing total or partial arthroplasty.08-15-2013

Patent applications in class Knee or knee joint