CONSTRAINED PROSTHETIC KNEE WITH ROTATING BEARING

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United States of America Patent

SERIAL NO

11956998

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A constrained prosthetic knee having a modular hinge post and a rotating bearing. A cannulated hinge post is rotatably connected to the femoral component of the knee prosthesis so that a hinge post extension may be anteriorly positioned through the hinge post and into the tibial component of the knee prosthesis, after positioning of the femoral component in the femur and the tibial component in the tibia. The hinge post is preassembled to the femoral component so that such assembly is not required during the implantation procedure. A meniscal component forming the rotating bearing of the knee prosthesis is packaged together with the hinge post extension so that the appropriate hinge post extension is readily available. The meniscal component includes a mechanism for preventing lift off of the meniscal component from the tibial component, while allowing rotation of the meniscal component relative to the tibial component.

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Patent Owner(s)

Patent OwnerAddress
ZIMMER INC1800 W CENTER STREET WARSAW IN 46580

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aikins, Jerry L Warsaw, IN 15 1949
Bays, Rodney L Pierceton, IN 13 916
Cook, Michael Claypool, IN 116 3370
Figueroa, Marvin Warsaw, IN 16 1162
Griner, Adam Columbia City, IN 9 690
Haywood, Bill H Warsaw, IN 9 829
Letson, G Doug Tampa, FL 4 302
Meyers, John E Columbia City, IN 40 3060
Sisk, Bill N Claypool, IN 8 690
Walker, Peter S New York, NY 34 3921
Webster, Vincent A Warsaw, IN 19 1348
Windsor, Russell Larchmont, NY 9 690

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