Prosthetic acetabulum

Details Prosthetic acetabulum Prosthetic acetabulum

1989-04-05

1990-09-11

Isabella, David J.

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

Implantable prosthesis

Bone

A61F 234

Patent

active

049559176

ABSTRACT:
The acetabulum has a metal outer shell and a plastic cup within the shell. The outer shell is in the shape of a frustum and at least three plugs extend from about the periphery of the base of the shell for implanting in a hip bone. Each plug has an expandable portion provided with circular toothing and is expandable by a pin which becomes locked in place after expanding the plug within the hip bone.

REFERENCES:
patent: 3894297 (1975-07-01), Mittelmeier et al.
patent: 4650491 (1987-03-01), Parchinski
patent: 4792337 (1988-12-01), Muller
patent: 4828565 (1989-05-01), Duthoit et al.
patent: 4834759 (1989-05-01), Spotorno et al.
Biomedizinische Technik, vol. 32, No. 3, Mar. 1987, Berlin, West Germany, pp. 40-45.

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