Hemispherical acetabulum

Details Hemispherical acetabulum Hemispherical acetabulum

1989-02-09

1990-05-08

Isabella, David J.

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

Implantable prosthesis

Bone

A61F 234

Patent

active

049234730

ABSTRACT:
The hemispherical acetabulum has a pin which projects from the cup of the acetabulum on an angle of 45.degree. relative to the polar axis. A sleeve which closes over the pin is rotatably mounted on the pin to facilitate twisting of the cup into a correct position when implanted in a pelvis. The sleeve is made of metal to preclude direct contact between the pin which may be made of plastic and the pelvis bone tissue.

REFERENCES:
patent: 3543749 (1970-12-01), Grove
patent: 3641590 (1972-02-01), Michele
patent: 3740769 (1973-06-01), Haboush
patent: 3896504 (1975-07-01), Fischer

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