Acetabular cup assembly

Details Acetabular cup assembly Acetabular cup assembly

1986-02-19

1988-01-12

Apley, Richard J.

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

Implantable prosthesis

Bone

A61F 234

Patent

active

047189118

ABSTRACT:
A three-component acetabular cup assembly for receiving and releasably retaining the femoral head component of a prosthesis, said cup assembly comprising an outer metal shell, a cup-shaped inner bearing of substantially rigid plastic fixedly secured within said metal shell, and a locking ring made from the same plastic as the inner bearing; the outer surface of the bearing and the inner surface of the locking ring having cooperating configurations forming a secure but releasable latch.

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patent: 4410295 (1983-10-01), Ersoy et al.
patent: 4619658 (1986-10-01), Pappas et al.

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