Bone and joint prosthesis

Details Bone and joint prosthesis Bone and joint prosthesis

1975-06-26

1976-09-07

Frinks, Ronald L.

Surgery

Truss

Pad

3 1912, 128 92C, A61F 124

Patent

active

039785289

ABSTRACT:
This application describes a shoulder prosthesis having a metal humeral cup component with an extending stem for insertion into the intramedullary canal of the humerus bone. The shoulder or intracancellous component has a ball embraced within the cup between a pair of ultra high molecular weight polyethylene lining inserts, which are locked within the cup under a strong resilient plastic lock ring, which snaps into a circular groove about the rim of the cup. The mouth of the cup and lock ring have mutually engaging bevelled surfaces. The ball and attached scapular component freely pivot or articulate within the cup and lining inserts.

REFERENCES:
patent: 2781758 (1957-02-01), Chevalier
patent: 3694820 (1972-10-01), Scales et al.
patent: 3698017 (1972-10-01), Scales et al.
patent: 3815157 (1974-06-01), Skorecki et al.
patent: 3848272 (1974-11-01), Noiles

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