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Class 623/20.15 - Modular type


Subclass of Class 623 - Prosthesis (i.e., artificial body members), parts thereof, or aids and accessories therefor
Definition: Subject matter wherein the artificial knee joint bone
No. of patents: 137
Last issue date: 04/17/2012


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NumberTitleIssue Date
8157867Trochlear groove implants and related methods and instruments
A trochlear groove implant includes a body having a first side with an articular surface and an opposing second side with a bone apposition surface, the articular surface and the bone apposition surface each extending between a proximal end and an opposing distal en...
04/17/2012
8128704Femoral trochlea prostheses
Various embodiments of femoral trochlea prostheses useable in a knee joint. The knee joint includes a patella and a distal femur with a femoral trochlea, or patello-femoral groove. In one embodiment, a femoral trochlea prosthesis includes a nonarticulating surface i...
03/06/2012
8048163Knee arthroplasty prosthesis
A knee arthroplasty prosthesis includes a femoral component having multiple pieces with engagement means provided for engaging various pieces of the femoral component to one another following their insertion in the incised area of the femur. A tibial component inclu...
11/01/2011
8012215Tibial prosthesis convertible in vivo to a modular prosthesis removal of permanently secured primary bearing
A nonmodular tibial prosthesis having a retainer for a modular bearing on the superior surface of a tibial base, a nonmodular primary bearing directly molded to the base, and a mechanical release member mounted on the tibial base in contact with the nonmodular prima...
09/06/2011
8002840Systems and methods for compartmental replacement in a knee
A prosthesis system includes a first component having an outer surface, an inner surface, a first side and a second side, the first component configured to replace a first portion of a surface of a bone. A second component is configured to replace a second portion o...
08/23/2011
7998217Modular offset stem implants
A modular device for coupling a stem to an end component of an implant. The device includes a plurality of rotatably interconnectable intermediate components for coupling the stem to the end component, such that each intermediate component can be rotated for selecti...
08/16/2011
7892288Femoral augments for use with knee joint prosthesis
A femoral augment, or set of augments, for use with a knee joint prosthesis, where the femoral augment includes a main body portion, an aperture formed within the main body portion and extending in a generally distal/proximal direction, and a pair of legs extending ...
02/22/2011
7842093Method and apparatus for a knee implant
A prosthesis for replacing an articulating portion of bone is provided. The prosthesis can include an adaptor operable to replace a portion of the bone. The prosthesis can further include a sleeve coupled to the adaptor. The sleeve can define an offset coupling axis...
11/30/2010
7806936Bowed femoral sleeve
A modular femoral joint prosthesis includes a femoral component having a post extending therefrom, a femoral stem, and a femoral sleeve configured to be coupled to the post of the femoral assembly and to the femoral stem. The femoral sleeve is bowed posteriorly in t...
10/05/2010
7799085Modular implant system with fully porous coated sleeve
A modular knee implant system allows a surgeon to select between several different styles of distal femoral implant components and several different styles of stem extensions while also allowing for use of a metaphyseal component. The metaphyseal component can be a ...
09/21/2010
7799084Modular femoral component for a total knee joint replacement for minimally invasive implantation
A femoral component (100) for a total knee joint replacement has a modular structure including a number of segments (102, 112), each of the segments (102, 112) having a femoral fixation surface (104, 114) for attachment to the distal end ...
09/21/2010
7766969Modular progressive implant for a joint articulation surface
An implant for on a resected articulation surface of a bone includes a tray having a top surface and opposition surface. An opening extends completely through the tray between the top surface and the bone apposition surface. A bearing member is mounted on the top su...
08/03/2010
7727281Modular femoral knee stem extender
A knee prosthesis includes a femoral component and a stem for implanting in a femur. A modular junction is provided for attaching the stem to the femoral component. The femoral component may include a boss having a slot for receiving the components of the modular ju...
06/01/2010
7695519Modular tibial baseplate
A modular keel or stem for use as a tibial implant has a central stem portion including a tongue-like coupling portion for insertion into a grooved portion in a bone contacting portion of a tibial baseplate. The modular keel or stem may also include a pair of anti-r...
04/13/2010
7507256Modular implant system and method with diaphyseal implant
A modular implant system allows a surgeon to secure an implant assembly to thee diaphysis of a long bone. The system includes a set of anatomically-designed diaphyseal fitting modular implant components. One end of each diaphyseal implant component is a Morse taper ...
03/24/2009
7497874Knee joint prosthesis
A modular knee prosthesis includes a femoral stem having a proximal end portion. A femoral component includes a first engagement portion defined thereon wherein the femoral stem is selectively attachable to the first engagement portion of the femoral component. A co...
03/03/2009
7470289Tibia component and sliding plate of a knee-joint endoprosthesis
In a tibial component comprising an anchor portion for being fixed in bone and a tray for a sliding plate of polyethylene, the tibial component cooperating with a femoral component which rests on the sliding plate by curved articulation surfaces, it is provided that...
12/30/2008
7445639Knee joint prosthesis
A modular component for a knee joint prosthesis is disclosed. The modular component includes a tray, a stem and an adapter assembly. The tray includes a support surface and downwardly extending extension having a generally circular shape. The stem includes a main bo...
11/04/2008
7427296Total knee joint mold and methods
In one embodiment, a method for treating an infected implant area of a knee joint comprises surgically accessing the implant area, and inserting a tibial component into the tibia using an antibiotic-impregnated material. A femoral component is formed that is configu...
09/23/2008
7387644Knee joint prosthesis with a femoral component which links the tibiofemoral axis of rotation with the patellofemoral axis of rotation
A femoral component is provided for use in a knee joint prosthesis. The femoral component may be configured to provide one or more desirable kinematic relationships with a tibial component and/or patella so as to mimic the flexion and extension motion of a natural k...
06/17/2008
7364590Anatomical knee prosthesis
An anatomical knee prosthesis configured to be oriented on an anatomical line of an interarticular space of the knee and not oriented on a mechanical axis as far as the interarticular space of the knee is concerned. ...
04/29/2008
7360746Asymmetric drive pin
The present invention relates to a drive pin having a shank and a head asymmetrically disposed relatively to said shank. It also relates to a wall anchor assembly comprising a wall anchor adapted to be inserted in a wall for firmly maintaining the wall anchor assemb...
04/22/2008
7357817Modular keel tibial component
A modular keel or stem for use as a tibial implant has a central stem portion including a coupling portion for insertion into and through an opening in a tibial baseplate. The modular keel or stem may also include a pair of anti-rotation fins or ribs which extend me...
04/15/2008
7351263Complete knee prosthesis
A prosthesis whose condyles (3) have a spiral form, viewed in the saggital plane and the femoral element (1) has a medial lobe (6) with a curved surface. The medial plateau (2) has glenoid cavities (2b) for the condyles (...
04/01/2008
7338498Prosthetic implant, trial and associated method
A kit (100) for use in performing joint arthroplasty on a head of a long bone (4) is provided. The kit (100) includes a first trial (102) including a first trial articulating surface (106) and an opposed first trial mounting surfac...
03/04/2008
7326252High performance knee prostheses
Knee prostheses featuring components that more faithfully replicate the structure and function of the human knee joint in order to provide, among other benefits: greater flexion of the knee in a more natural way by promoting or at least accommodating internal tibial...
02/05/2008
7309362Artificial knee joint
An artificial knee joint, which makes a drag (a contact stress) acting on a sliding surface upon bending small so as to evade an extraordinary abrasion and damage of a sliding surface of a tibia component and which prevents an bending angle from being decreased by p...
12/18/2007
7291174Prosthetic tibial component with modular sleeve
A prosthetic knee system has a tibial component and a modular sleeve. The tibial component has a tibial tray, a stem and keels extending between the distal surface of the tray and the stem. The modular sleeve has an oval proximal surface with spaced reliefs. The rel...
11/06/2007
7273499Modular trial mechanism
A prosthetic trial for a joint prosthesis includes a stem having a proximal section and a distal section for implantation in a bone. A body includes a channel receiving at least the proximal section of the stem. A locking mechanism is at least partially disposed wit...
09/25/2007
7258701Systems and methods for compartmental replacement in a knee
A knee replacement system provides a knee implant that may be used to more accurately replicate the diameter of a natural knee. In one embodiment, a patellofemoral component is connected to the posterior portion of a condylar component by screws that pass through th...
08/21/2007
7255715Integrated prosthetic assembly
An integrated prosthetic assembly for implanting a prosthetic joint between two bones and including at least one ligament graft. The assembly includes a plurality of joint components, a plurality of base components, and at least one drill guide keyed to one of the b...
08/14/2007
7251093Tape system with adjustable wrap angles and method for adjusting tape wrap angle
A method for adjusting a tape wrap angle is described comprising the steps of operating the tape system to generate or regenerate an electrical signal in the head from the tape, either increasing or reducing the tape wrap angle as appropriate until a signal from the...
07/31/2007
7232465Knee prosthesis
A knee prosthesis includes a femoral prosthetic part which forms a pair of condylar gliding surfaces, a tibial part that has tibial gliding surfaces cooperating with the condylar gliding surfaces and a coupling part that connects the femoral and tibial parts so that...
06/19/2007
7217226Method and system for coupling a flywheel assembly onto a shaft of an electric motor using a self-holding taper
An electric motor assembly including an electric motor and a flywheel assembly. The electric motor includes a rotatable shaft, at least a portion of the shaft being tapered as the shaft extends from the electric motor to an outer end of the shaft, the outer end of t...
05/15/2007
7211113Hip prosthesis
An endoprosthesis utilizes a biomechanical structure based on the lever model of first degree. Contrary to the widespread practice, the inventive structure has a stem placed inside the femur bone, which is not rigidly attached to this bone. Accordingly, the bone, fo...
05/01/2007
7182786Modular bone implant, tool, and method
Modular bone implants include first and second components removably attached to one another. In one embodiment, the components include a rotational alignment mechanism within the junction between the components. In another embodiment, the components include fins on ...
02/27/2007
7175666Modular implant with a micro-motion damper
A modular implant is provided. The modular implant includes a first orthopaedic component, a second orthopaedic component coupled to the first orthopaedic component, and a micro-motion damper interposed between the first orthopaedic component and the second orthopae...
02/13/2007
7175665Universal tibial augment
A prosthetic knee system has a tibial component and a universal augment. A single augment can be used to support the tibial tray on either the medial or lateral side. The augment has reverse image sides and a through-bore with no threads. The tibial tray has a compl...
02/13/2007
7172597Provisional orthopedic implant and recutting instrument guide
A provisional component for use with differently sized first and second prosthetic orthopedic components. The provisional component has a configuration which is substantially similar to the first prosthetic component and has a predefined correspondence to the second...
02/06/2007
7153326Method and apparatus for use of an offset stem connection
A modular tibial component for a knee joint prosthesis providing an offset. The modular tibial component includes a tray, a stem, an adapter and a flexible fastener. The tray includes a tapered extension having a generally frusto-conical shape. The stem includes a f...
12/26/2006
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