Endoprosthetic orthopaedic devices

Details Endoprosthetic orthopaedic devices Endoprosthetic orthopaedic devices

1978-09-18

1980-11-04

Frinks, Ronald L.

Dentistry

Apparatus

Hand manipulatable implement

3 1911, 3 1912, 433173, 128 92C, A61F 124

Patent

active

042311209

ABSTRACT:
The securement of an endoprosthetic orthopaedic member of plastics material in cancellous bone involves the provision of a relieved configuration on the member, the upstanding elements of such configuration flexing to afford an interference fit upon translation of the member into a substantially complementary, but slightly undersized recess in the bone. The member is suitably of stem or other elongated form with an annular or helical finned configuration as the upstanding elements. Preferably each such fin configuration includes a sequence of longitudinally separated fins individually extending over a minor circumferential portion of the member. The member will commonly be formed as a one-piece projection from a prosthetic bone joint component.

REFERENCES:
patent: 2719522 (1955-10-01), Hudack
patent: 3681786 (1972-08-01), Lynch
patent: 3866321 (1975-02-01), Valen

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