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8142509 |
Patellar components
Embodiments of the present invention provide patellar component designs that are optimally shaped to help reduce shear force and accommodate slight implantation error. Further, they help lessen...
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8092544 |
Implantable patella component having a thickened superior edge
An orthopaedic implant includes a patella component having a posterior bearing surface configured to articulate with the femoral condyles of a femur, and an anterior surface having a number of pegs...
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7972383 |
Implantable patella component having a thickened superior edge
An orthopaedic implant includes a patella component having a posterior bearing surface configured to articulate with the femoral condyles of a femur, and an anterior surface having a number of pegs...
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7878989 |
Knee prostheses
A total knee prosthesis comprises a femoral component and a patellar component. The femoral component has a patellar flange into which is built a twist or roller coaster configuration. The patellar...
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7691149 |
Porous titanium modular revision patella system
A patellar implant includes a posterior portion and an anterior portion. The posterior portion may define an articulating surface and a first retaining feature. The anterior portion may define a...
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6709460 |
Patellar bearing implant
A patellar bearing having extended, rounded contours on the superior and inferior edges of its articulating surface.
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6602292 |
Mobile bearing patella prosthesis
An implantable patellar prosthesis accommodates variations in placement of the prosthesis relative to the patella without limiting use of the prosthesis. The prosthesis utilizes a base component...
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6589248 |
Patellar alignment device
A patellar alignment device for determining the position of a patella prosthesis. The device comprises two components—a baseplate and a mobile component which is preferably magnetically attached t...
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6315798 |
Prosthetic implant attachment surface
A metal backing for inclusion in the manufacture of a prosthetic component having a plastic bearing element on an upper surface and has a bottom surface portion with elements for attachment to a...
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6146423 |
Patella replacement apparatus
A patella replacement device consists of a porous metal insert which is surrounded by a metallic ring which is press-fit to a portion of the insert. The porous insert has cement accommodating...
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5723016 |
Implantable prosthetic patellar components
An implantable prosthetic patellar component comprises a patellar part (1) having one side (1a) adapted to be secured to the inner surface of a natural patella (10), and a femoral part (3) having...
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5702465 |
Patella prosthesis having rotational and translational freedom
A patellar prosthesis includes an articulation component having a prosthetic articulation surface and a base component for fixation to resected patellar bone. Each of the articulation and base...
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5609644 |
Prosthetic patello femoral joint assembly
A prosthetic patello femoral joint assembly comprises a patella mounting component on which is located a movable mobile bearing component. A first side of the bearing component is shaped to engage...
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5609640 |
Patella prostheses
A patella prosthesis is a mushroom shaped member whose head (1) is symmetrical or contoured to correspond to a human patella. The stem (2) is for insertion in a drilling in the resectioned surface...
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5522901 |
Implant for replacing a rear patella part
An implant to replace a rear patella part is provided, which comprises a prosthesis part imitating the patella part and a metal attachment part fixed in the prosthesis part, with which the implant...
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5358529 |
Plastic knee femoral implants
A knee prosthesis includes plastic femoral and metallic (or ceramic) tibial components. The plastic femoral knee component articulates against a polished metal (e.g. cobalt alloy, titanium alloy,...
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5326361 |
Total knee endoprosthesis with fixed flexion-extension axis of rotation
The invention is a total knee endoprosthesis with a fixed flexion-extension axis throughout all degrees of flexion and extension of the knee. The endoprosthesis has a femoral component with spaced...
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5314480 |
Patellar components
A patellar component 91) for use in conjunction with a prosthetic knee joint of the type comprising a femoral component and a tibial component comprises a metal disc (2) embedded within an...
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5246460 |
Prosthetic patellar components
A prosthetic patellar component is provided which has a fixation part adapted to be secured to the bone of the patella and an articulation part defining a surface for replacing the femoral facet of...
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5236462 |
Metal-backed patellar prosthesis
A two-piece patellar prosthesis for use in combination with a prepared patella has a plastic component with a dome, a body portion and a central post and a second metal component engaged to the...
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5181924 |
Patella prosthesis
The invention shows a patella prosthesis, which consists of an artificial slide member (2) made from polyethylene with sliding surface (3), with the slide member (2) being mounted on the rear of...
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5019104 |
Patellar prosthesis and method of making the same
A composite metal/plastic patellar prosthesis for implantation in the human body to replace the articulating surface of the patella is provided. The prosthesis includes a polymeric articulating...
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4470158 |
Joint endoprosthesis
Joint endoprosthesis for the total replacement of degenerate joints such as the ankle, knee, elbow, wrist and finger. When embodied as an ankle endoprosthesis (10), the device comprises a tibial...
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4353135 |
Patellar flange and femoral knee-joint prosthesis
A patellar flange for a knee joint prosthesis comprising a curved base and a pair of condylar runners, one of said condylar runners being attached to each lateral side of the base and extending...
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4240162 |
Endoprosthetic patellar device
An endoprosthetic device for replacing the patellar articular surface is provided in multi-part constructional form and comprises: a first part adapted for securement in the posterior region of the...
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4041550 |
Artificial patella and method of repairing a natural patella
An artificial patella for use in the human body in place of a natural patella which has been damaged beyond repair. The artificial patella comprises a rigid wafer-like member having a contour...
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3927423 |
Patellar implant and method
A patellar implant replaces the damaged underlying cartilage of the patella. The implant, formed of silicone rubber, is contoured to fit into a depression formed in the resected posterior surface...
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