Joint prosthesis

Details Joint prosthesis Joint prosthesis

1987-12-21

1989-07-11

Apley, Richard J.

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

Implantable prosthesis

Bone

623 18, A61F 232

Patent

active

048468401

ABSTRACT:
The joint prosthesis according to the invention is characterized in that it comprises two substantially concentric convex opposite surface portions (1, 2). Preferably the convex surface portions are portions of a sphere which are connected together by a frustoconical portion (3) and one (1) of the convex surface portions has a greater radius of curvature than the other (2).

REFERENCES:
patent: 3641590 (1972-02-01), Michele
patent: 3916451 (1975-04-01), Buechel et al.
patent: 4231122 (1980-04-01), Koeneman
patent: 4695282 (1987-09-01), Forte et al.

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