Endoprosthetic bone joint devices

Details Endoprosthetic bone joint devices Endoprosthetic bone joint devices

1975-07-30

1976-11-23

Frinks, Ronald L.

Surgery

Truss

Pad

128 92C, A61F 124

Patent

active

039927261

ABSTRACT:
An endoprosthetic bone joint device, particularly suitable for a finger or toe joint, comprises two cups and a ball or other roller freely located in and between the cups in articulatory engagement. Normally the cups do not wholly encompass the ball, and so allow flexion-extension simulating articulation limited by mutual abutment of relevant portions of the cup rims. For this purpose, at least one of the cup rims is contoured from planar form to provide two mutually-inclined, diametrically-opposed stop surfaces. Various requirements for abduction-adduction function simulation can also be accommodated by curved profiling of said one cup rim between its stop surfaces.

REFERENCES:
patent: 3608096 (1971-09-01), Link
patent: 3651521 (1972-03-01), Devas

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