Knee joint prosthesis

Details Knee joint prosthesis Knee joint prosthesis

1995-03-13

1997-03-11

Isabella, David

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

Bone

A61F 238

Patent

active

056096437

ABSTRACT:
A knee joint prosthesis includes a femoral component, a tibial plateau and a tibial bearing member. The design and geometry of the articulation surfaces of the condylar elements of the femoral component and tibial bearing member is such that contact area between the articulation surfaces is maximized both in perfect alignment and in malalignment conditions. Moreover, contact stresses placed upon the articulation surfaces in perfect alignment and in malalignment are reduced. High contact area and low contact stress on the articulation surfaces can be maintained even while matching knee prosthesis components of different sizes.

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patent: 5171276 (1992-12-01), Caspari et al.
patent: 5197987 (1993-03-01), Koch et al.
patent: 5201768 (1993-04-01), Caspari et al.
patent: 5236461 (1993-08-01), Forte
patent: 5326361 (1994-07-01), Hollister
patent: 5330534 (1994-07-01), Herrington et al.
patent: 5370699 (1994-12-01), Hood et al.
patent: 5387240 (1995-02-01), Pottenger et al.

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