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254 results about "Tibial plafond" patented technology
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Longitudinal length of the healthy (without a tumor, tumor-like lesion, deformity, or trauma) femur, tibia, and lower limb were measured from the proximal end of the femoral head to the intercondylar notch, the tibial crest to the center of the tibial plafond, and the proximal end of the femoral head to the center of the tibial plafond, respectively.
Expandable porous mesh bag device and methods of use for reduction, filling, fixation, and supporting of bone
ActiveUS7226481B2Less fear of punctureAvoid breakingInternal osteosythesisSurgical needlesSpinal columnDisease area
The invention provides a method of correcting numerous bone abnormalities including bone tumors and cysts, avascular necrosis of the femoral head, tibial plateau fractures and compression fractures of the spine. The abnormality may be corrected by first accessing and boring into the damaged tissue or bone and reaming out the damaged and / or diseased area using any of the presently accepted procedures or the damaged area may be prepared by expanding a bag within the damaged bone to compact cancellous bone. After removal and / or compaction of the damaged tissue the bone must be stabilized.
Owner:SPINEOLOGY
Double socket acl reconstruction
ActiveUS20090018654A1Minimally-invasive ACLImproved cosmesisSuture equipmentsDiagnosticsInterference screwsDrill guide
An all-inside double-socket ACL reconstruction technique, according to which a femoral socket and a closed tibial socket are provided to accommodate retrograde fixation of at least one graft (for example, a semitendonosus allograft) within the sockets. The closed tibial socket is formed by using a retrograde drill device provided with a retrograde drill cutter detachable from a retrograde drill guide pin. The femoral socket may be formed by the retrograde drill method or by a conventional method, and may be carried out before or after the formation of the tibial socket. The graft is secured in the knee by employing a transversal implant, or by employing an interference screw, and / or a continuous loop / button construct.
Owner:ARTHREX
High tibial osteotomy system
A cutting block for use in a bone osteotomy procedure includes a first cutting guide surface, a second cutting guide surface, and a third cutting guide surface. The first, second, and third cutting guide surfaces are adapted to be temporarily affixed to a bone having a first side and a second side such that the first cutting guide surface is disposed on the first side of the bone, and such that the second cutting guide surface and third cutting guide surface are disposed on the second side of the bone forming an angle therebetween.
Owner:HOWMEDICA OSTEONICS CORP
Implant 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.
Owner:REMIA LEONARD
Measuring apparatus for total knee replacement operation
ActiveUS20040122441A1Smooth movementEasy to disassembleJoint implantsDiagnostic recording/measuringMeasurement devicePhysical medicine and rehabilitation
An apparatus in a total knee replacement and arthroplasty operation for measuring a joint gap and ligament balance between a osteotomized surface at a femoral distal end and a osteotomized surface at a tibial proximal end. The apparatus is provided with a base 10, from which an engaging plate 14 extends by way of an arm, so that the engaging plate 14 contacts with the osteotomized surface at the tibial proximal end. A moving body 18 is vertically movably connected to the base 10, from which moving body 18 an arm 20 extends, to which arm a supporting plate 22 is rotatably mounted about a central axis. The supporting plate 22 has, at its top surface, a projected portion 48. to which an auxiliary guiding piece 50 is connected under a snap like fitted manner. A femoral component 52 is mounted, at its groove portion 54, to the osteotomized surface at the femoral distal end. The engaging plate 14 as well as the supporting plate 22 are under an offset arrangement with respect to the base and moving body, respectively.
Owner:ZIMMER KK
Mobile bearing tibial base prosthetic devices employing oxidized zirconium surfaces
An orthopedic implant with a diffusion-hardened surface on non-load bearing areas of the implant for interaction with non-load bearing surfaces of a polymeric bio-compatible material, such as UHMWPE (ultra-high molecular weight polyethylene). The orthopedic implant is a mobile-bearing knee prosthetic and system where a coating of oxidized zirconium is formed on the post of the tibial tray of the prosthetic for interaction with an opening of a polymeric tibial insert. The diffusion-hardened surface of the orthopedic implant provides a strengthened post and reduction in wear in the opening of the polymeric insert.
Owner:SMITH & NEPHEW INC
High flexion articular insert
A knee prosthesis is provided that allows for increased flexion. The knee prosthesis includes (a) a femoral component adapted to fit on a distal end of the femur which includes a lateral condylar structure and a medial condylar structure and (b) an intermediate structure configured to cooperate with a femoral component of a knee prosthesis. The intermediate structure includes at least one surface for contacting the femoral component and a transition of a sagittal curvature of the at least one contact surface from a concave surface into a convex surface at the contact interface of the femoral component and the intermediate structure when the knee is flexed at approximately 120° to 140°. The knee prosthesis minimizes impingement on the femoral posterior cortex in deep flexion, increases the dislocation safety factor and allows for easier reengagement of the articular surface should the femoral component externally rotate off of the tibial plateau.
Owner:SMITH & NEPHEW INC
Tibial Tray Having a Reinforcing Member
A knee joint prosthesis can include a tibial component that can have a tibial tray. The tibial tray can include a platform-like tray that defines a superior surface and an inferior surface. The platform-like tray can have a tray perimeter and a raised wall formed on the inferior surface. The raised wall can be offset inboard relative to the tray perimeter. Porous material can be disposed on the inferior surface of the platform-like tray at a location generally between the raised wall and the tray perimeter.
Owner:BIOMET MFG CORP
All-inside double-bundle acl reconstruction
An “all-inside double-bundle” ACL reconstruction technique, according to which two femoral sockets and two closed tibial sockets are provided to accommodate retrograde fixation of two grafts (for example, two semitendonosus allografts) within the four sockets. At least one of the tibial sockets is formed by using a retrograde drill device provided with a retrograde drill cutter detachable from a retrograde drill guide pin. The femoral tunnels or sockets may be formed by the retrograde drill method or by a conventional method, and may be carried out before or after the formation of the tibial sockets. The grafts (for example, two semitendonosus allografts) are secured in the knee by employing a continuous loop / button construct provided with a button, preferably of titanium alloy, and a continuous loop of suture attached to the button.
Owner:ARTHREX
Biointerference screw fixation technique
Endosteal fixation of a ligament graft with an interference fixation device installed in a retrograde manner in ACL reconstruction is disclosed. The interference fixation device may be a screw or a ribbed implant fitted with a length of reinforced suture or wire for pulling the interference fixation device through the tibial tunnel. The suture extends beyond the leading tip of the interference fixation device a sufficient length to allow the interference fixation device to be passed into the joint by pulling on the suture or wire exiting the tibial tunnel. A driver or an impaction device, such as a slap hammer, is employed to advance and insert the interference fixation device in a retrograde manner into the tibial tunnel. Accordingly, interference fixation of the graft near the tibial plateau is provided, thereby eliminating graft abrasion at the tibial plateau tunnel opening.
Owner:ARTHREX
Osteotomy Guide and Method of Cutting the Medial Distal Tibia Employing the Same
InactiveUS20100069910A1Easy to replaceDiagnosticsNon-surgical orthopedic devicesAnkle joint replacementDistal tibia
An osteotomy guide is provided for cutting a bone, such as the medial distal tibia, to facilitate an ankle replacement. The osteotomy guide includes a positioning device having a number of fixation points, a first guide member structured to align with a first portion of the bone, in order to perform a first procedure, thereon, and a second guide member structured to align with a second portion of the bone, in order to perform a second procedure thereon. The fixation points engage the bone and maintain alignment of the first guide member with respect to the first portion during the first procedure, and maintain alignment of the second guide member with respect to the second portion during the second procedure, in order that the first procedure and the second procedure are substantially reproducible.
Owner:DEPUY SYNTHES PROD INC
Tibial cross-pin fixation techniques and instrumentation
Techniques and reconstruction systems for ACL repair by providing cross-pin fixation of a graft within a tibial tunnel. The invention provides tibial fixation techniques according to which cross-pin fixation of a graft (for example, an Anterior Tibialis allograft) is achieved on the tibial side, close to the jointline, by a single incision and with cortical fixation.
Owner:ARTHREX
Knee balancing for revision procedures
ActiveUS20110093081A1Promote balance between supply and demandImprove balanceInternal osteosythesisJoint implantsTibial Collateral LigamentsTotal knee replacement
Methods, systems and devices are provided for facilitating a surgical procedure on a knee, particularly, a revision total knee replacement procedure. Prior femoral and tibial prostheses are removed. A cut end of a distal femur is engaged with a femoral adjustment member, which will typically center itself about an intermedullary rod placed into the femur. The lateral and medial forces exerted by lateral and medial sides of the femoral adjustment member and the cut tibial plateau against each other are measured. The femoral adjustment member is adjusted to apply and / or adjust tension to the lateral collateral ligament and / or the medial collateral ligament based on the measured forces, for example, such that the measured lateral force and the measured medial force are matched. Based on the position of the adjusted femoral member, guided clean-up cuts for placement of a new femoral prostheses are made on the cut end of the distal femur.
Owner:SYNVASIVE TECH
Offset stem tibial implant
InactiveUS20070179628A1Easier to implant in the tibiaGreat adjusting freedomJoint implantsKnee jointsBiomedical engineeringTibial plafond
A low-profile offset stem tibial implant includes a tray with a plate that extends transversely around a first tibial axis. The plate includes a distal surface adapted to engage against the prepared surface of the tibia. An engagement portion extends away from the distal surface of the plate substantially along the first tibial axis. A stem is provided with a distal end adapted to be introduced into the medullary canal of the tibia along a second tibial axis and a proximal end. One or more adapter elements are provided with a proximal portion sized to engage with the engagement portion of the plate along the first tibial axis. The adapter element also includes a distal portion adapted to engage with the proximal end of the stem along the second tibial axis. The adapter element permits adjustment of the medio-lateral and antero-posterior position of the second tibial axis relative to the first tibial axis. A plurality of indexing features are located at an interface between the plate and the adapter element to secure the tray in at least three discrete locations around the first tibial axis when in an assembled configuration.
Owner:CORIN
Bimetal tibial component construct for knee joint prosthesis
InactiveUS7513912B2Superior bone-engaging faceSuperior polyethylene-engaging faceJoint implantsTissue regenerationMedicineKnee Joint
Owner:SHALBY ADVANCED TECH INC
Prosthetic Device with Multi-Axis Dual Bearing Assembly and Methods for Resection
An orthopedic prosthesis, system and method has a dual bearing component that, along with first and second bone anchoring components, provides multi-axial movement separately with respect to both the first and second bone anchoring components. An ankle prosthesis, system and method may thus be fashioned utilizing these principles that includes a dual bearing component, a tibial component adapted for attachment to the tibia bone, and a talar component adapted for attachment to the talus or calceneus bone of the foot. The dual bearing component includes a superior bearing providing gliding articulation / translation between it and the tibial component, and an inferior bearing providing gliding articulation / translation between it and the talar component. A bearing component plate provides a base or foundation for the superior and inferior bearings. The superior bearing is bonded to the bearing component plate while the inferior bearing moves with respect to the bearing component plate.
Owner:PERLER ADAM D
Tibial 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.
Owner:TYCO HEALTHCARE GRP LP
Tibial baseplate assembly for knee joint prosthesis
InactiveUS20130218284A1Eliminate frettingCreate stabilityJoint implantsKnee jointsKnee JointProsthesis
Apparatus for reconstructing a joint, the apparatus comprising:an implant body having a bone contacting surface; anda plurality of fixation elements secured to the implant body and extending into the host bone at a plurality of angles, wherein all angles are not equal to one another, so as to create immediate stability between the implant body and the host bone.
Owner:MOBIUS MEDICAL
Systems and instrumentalities for use in removal of tibial prostheses of total ankle replacements
A system comprising instrumentalities and methods for removing intramedullary stem component pieces of a tibial implant from a distal tibia.
Owner:LIAN GEORGE JOHN
Tibial cross-pin fixation techniques and instrumentation
Techniques and reconstruction systems for ACL repair by providing cross-pin fixation of a graft within a tibial tunnel. The invention provides tibial fixation techniques according to which cross-pin fixation of a graft (for example, an Anterior Tibialis allograft) is achieved on the tibial side, close to the jointline, by a single incision and with cortical fixation.
Owner:ARTHREX
Cross pinning guide devices and methods
Methods and devices are provided for implanting a cross-pin through a bone tunnel, such as in an arthroscopic surgical procedure. In general, the methods and devices allow a cross-pin hole to be formed in a medial side of a knee bone such that it intersects a bone tunnel formed in the knee bone. In one embodiment, a cross-pinning guide device is provided that can be configured to angularly position the cross-pin hole relative to the bone tunnel to allow the cross-pin hole to intersect the bone tunnel without passing through another side, e.g., a lateral side, of the knee bone. The knee bone can be a femur or a tibia such that the cross-pin hole and the bone tunnel can each be entirely formed in the femur or in the tibia.
Owner:DEPUY SYNTHES PROD INC
Tibial bearing component for a knee prosthesis with improved articular characteristics
An orthopaedic knee prosthesis includes a tibial bearing component with surface features which operate to protect adjacent soft tissues of the natural knee throughout a wide range of flexion. More particularly, the tibial bearing component provides an anterior relief space disposed between the dished lateral and medial articular compartments, in which the relief space is convex as viewed from a sagittal perspective across the medial / lateral extent of the relief space.
Owner:ZIMMER INC
Artificial knee joint
InactiveUS20110082558A1Maximum flexionEasy to bendJoint implantsKnee jointsFemoral componentSurface geometry
An artificial knee joint comprise a femoral component and tibial component. The posterior side of the femoral component comprises medial and lateral condyles, wherein the width and offset of the posteromedial condyle is greater than the width and offset of the posterolateral condyle. At the posterior the tibial bearing component comprises medial and lateral articulating surface geometries, wherein the posterior slope of the lateral articulating geometry is greater than the posterior slope of the medial articulating geometry. The medial articulating surface geometry of the tibial bearing component supports the medial condyle of the femoral component and the lateral articulating surface geometry of the tibial bearing component supports the lateral condyle of the femoral component. The greater slope of the lateral articulating geometry allows the femoral component condyle to roll down to the posterior during knee flexion. This invention of an artificial knee joint for a prosthetic knee implant system facilitates deep knee flexes beyond 130 degrees.
Owner:OTISBIOTECH
Balancing device for arthroplasty and methods for use
A joint balancing insert with an actuated mechanism is for balancing a joint during a joint surgery is disclosed. The joint balancing insert includes a first plate, a second plate and an actuator there between. The second plate includes an integrated mounting portion for mounting a cutting block used to guide surgical cuts of the joint during the joint surgery. Various configurations of the integrated mounting portion may be implemented in the insert to provide for mounting various types of cutting blocks, such as cutting blocks for tibial cuts, femoral cuts, and distal femoral cuts.
Owner:XPANDORTHO
Tibial tray for total knee arthroplasty
InactiveUS7524334B2Improve usabilityProvide stabilitySurgeryJoint implantsTotal hip arthroplastyKeel
Owner:HAIDUKEWYCH GEORGE J
Devices, systems and methods for monitoring knee replacements
InactiveUS20160192878A1Accurately determineAccurate measurementInertial sensorsJoint implantsKnee JointFemoral component
Knee replacement prosthesis are provided, comprising a plurality of sensors and at least one of a femoral component, a patellar prosthesis and a tibial component.
Owner:CANARAY MEDICAL INC
Cross Pinning Guide Devices and Methods
Methods and devices are provided for implanting a cross-pin through a bone tunnel, such as in an arthroscopic surgical procedure. In general, the methods and devices allow a cross-pin hole to be formed in a medial side of a knee bone such that it intersects a bone tunnel formed in the knee bone. In one embodiment, a cross-pinning guide device is provided that can be configured to angularly position the cross-pin hole relative to the bone tunnel to allow the cross-pin hole to intersect the bone tunnel without passing through another side, e.g., a lateral side, of the knee bone. The knee bone can be a femur or a tibia such that the cross-pin hole and the bone tunnel can each be entirely formed in the femur or in the tibia.
Owner:DEPUY SYNTHES PROD INC
Surgical instrumentation kit for inserting an ankle prosthesis
ActiveUS20120191210A1Reliable informationAvoid interferenceWrist jointsAnkle jointsAnkle boneSurgical instrumentation
A surgical instrument including at least one tibial phantom generally corresponding to at least certain features of the tibial implant. The tibial phantom includes a top surface adapted to move freely against the prepared bottom end of the tibia. At least one talus phantom generally corresponding to at least certain features of the talus implant is engaged with the prepared top surface of the talus. At least one phantom skid is located between the tibial phantom and the talus phantom. The phantom skid is engaged with the tibial phantom such that dynamic engagement between the phantom skid and the talus phantom through at least extension and flexion of the ankle joint positions the tibial phantom on the prepared bottom end of the tibia. The phantom skid can either be a part of the tibial phantom or a separate component.
Owner:SMITH & NEPHEW INC
System and method for securing tissue to bone
Disclosed herein are methods and devices for securing soft tissue to a rigid material such as bone. A tissue anchoring device is described that comprises an anchor body and a spreader such that tissue may be captured or compressed between outside surfaces on the anchor and inside surfaces of a bone tunnel to secure the tissue within the tunnel. An anchoring device is described that comprises an anchor body having compressible tabs with teeth, and a spreader that forces the compressible tabs into an expanded state when inserted into anchor body, facilitating engagement between bone and the teeth of the compressible tabs. Also described is an inserter tool that can be used to insert the anchor into bone and move the spreader within the anchor to expand the anchor and capture the tissue between the anchor and the bone. Methods are described that enable use of the bone anchoring device to secure a tissue graft into the tibial and femoral bones during anterior cruciate ligament (“ACL”) reconstruction.
Owner:CONMED CORP
Tibial plateau leveling osteotomy plate
Owner:DEPUY SYNTHES PROD INC
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