Prosthetic bone joint devices

Details Prosthetic bone joint devices Prosthetic bone joint devices

1975-06-26

1977-02-22

Frinks, Ronald L.

Surgery

Truss

Pad

128 92C, A61F 124

Patent

active

040084957

ABSTRACT:
An endoprosthetic elbow joint device has a humeral component in the form of two like frusto-cones coaxially connected at their narrow ends and with their wider ends mutually convergently inclined to wedge into the intracondylar notch in the humerus when resected. This component is secured with cement, the component end faces being provided with a relieved structure of grooves or ribs extending in the relevant directions of inclination. The device also has an ulnar component of less than semi-circular toroidal form with its radially inner face complementary to and engaged with the above double cone. Again cement fixation is used in the ulna with a suitable relieved structure to key the component. Preferably this structure includes a chordally-directed groove to allow passage of a bone screw longitudinally through the olecranon so that the latter can be detached to expose the implantation site and thereafter reattached.

REFERENCES:
patent: 3656186 (1972-04-01), Dee
patent: 3839742 (1974-10-01), Link
patent: 3852831 (1974-12-01), Dee

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