Plastic knee femoral implants

Details Plastic knee femoral implants Plastic knee femoral implants

1993-03-05

1994-10-25

Isabella, David

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

Implantable prosthesis

Bone

623 18, A61F 238

Patent

active

053585291

ABSTRACT:
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, or stainless steel), or preferably ceramic (e.g. alumina, zirconia, nitride, or boride) patella and tibial components in a total knee implant. The polymer femoral material can be of a polymer such as ultra high molecular weight polyethylene, or a polymer blend or a fiber or particle reinforced polymer, or layered polymers.

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patent: 5123927 (1992-06-01), Duncan et al.
patent: 5181924 (1993-01-01), Gschwend et al.

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