James Anthony London

US Patent:

D2497050, Sep 26, 1978

Filed:

May 20, 1977

Appl. No.:

5/799076

Inventors:

James T. London - Redondo Beach CA

International Classification:

D2402

US Classification:

D24 26

US Patent:

43015522, Nov 24, 1981

Filed:

Dec 10, 1979

Appl. No.:

6/102145

Inventors:

James T. London - Rancho Palos Verdes CA

Assignee:

Wright Manufacturing Company - Arlington TN

International Classification:

A61F 124

US Classification:

3 191

Abstract:

The preferred endoprosthetic joint herein described is an elbow prosthesis of hingeless form comprising (1) a humeral component having an internal fixation surface means, and an external sellar-shaped, bearing surface and (2) an ulnar component having an internal sellar-shaped bearing surface complementary to that of the humeral component and external fixation surfaces, the bearing surfaces of the humeral and ulnar components being in rotatably sliding engagement when implanted and having throughout their respective lengths transversely curved complex concave and convex configurations which are complementary to each other. The form of endoprosthesis herein described may also be utilized as a knee, ankle and wrist joint.