Femoral prosthesis with forced motion sharing

Details Femoral prosthesis with forced motion sharing Femoral prosthesis with forced motion sharing

1987-03-09

1988-09-13

Apley, Richard J.

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

Implantable prosthesis

Bone

A61F 234

Patent

active

047706597

ABSTRACT:
A hip joint prosthesis which provides for universal motion about three transverse pivot axes comprising a femoral member adapted to be coupled to the femur and a cup assembly partially receiving the femoral member. The cup assembly is slidably received in the acetabulum. Motion about one of the pivot axes can occur in the prosthesis, and motion about the other two pivot axes is forced to occur between the cup assembly and the acetabulum. The cup assembly includes an insert which is snap-fit within a cap. The insert is of one-piece, integral construction and has a resilient, flexible portion for allowing a portion of the femoral member to be received within a cavity of the insert.

REFERENCES:
patent: 3813699 (1974-06-01), Giliberty
patent: 3863273 (1975-02-01), Averill
patent: 4004300 (1977-01-01), English
patent: 4044403 (1977-08-01), D'Errico
patent: 4172296 (1979-10-01), D'Errico
patent: 4241463 (1980-12-01), Khovaylo

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