Implant articular surface wear reduction system

Details Implant articular surface wear reduction system Implant articular surface wear reduction system

A - Human Necessities

61

F

A61F 2/30 (2006.01) A61F 2/38 (2006.01) A61L 27/04 (2006.01) A61L 27/06 (2006.01) A61L 27/10 (2006.01) A61L 27/14 (2006.01) A61L 27/18 (2006.01) A61L 27/30 (2006.01)

Patent

CA 2625392

An implant articular surface wear reduction system improves orthopedic prosthetic joint longevity by reducing frictional abrasive wear. The system includes a polymeric implant component and a rigid implant component. A hard wear layer is attached to the polymeric implant. The hard wear layer represents one opposing articular surface of a joint. The rigid implant component has a working surface and may represent another opposing articular surface in the joint. In one embodiment, the rigid implant component and the hard wear layer are ceramic. In another embodiment, a non-metallic wear layer is attached to the working surface. The non-metallic wear layer represents another opposing articular surface of the joint. In one embodiment, the polymeric implant component is a tibial implant and the rigid implant component is a femoral implant and the non-metallic wear layer is a polymer, such as polyethylene, self-reinforced polyphenylene, or PEEK.

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