Bimetal tibial component construct for knee joint prosthesis

Details Bimetal tibial component construct for knee joint prosthesis Bimetal tibial component construct for knee joint prosthesis

2007-03-13

2007-03-13

Gherbi, Suzette J-J (Department: 3738)

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

Implantable prosthesis

Bone

Reexamination Certificate

active

10721830

ABSTRACT:
A prosthetic tibial component for a prosthetic total knee joint includes two constructs, one being a metal base that engages a bone and the other being a polyethylene bearing that attaches to the metal base and articulates with a femoral prosthetic component on a opposing side of the joint. The metal base is composed of two metals, one of which engages the bone surface and the other of which engages the polyethylene bearing. Each of the metals is selected for its function. The first metal is selected to provide a superior bone-engaging face, while the second metal is selected to provide a superior polyethylene-engaging face. By combining the different material characteristics of two different metals there is formed a superior bone-engaging face and a superior polyethylene-engaging face.

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