Artificial hip joint with novel stem

Details Artificial hip joint with novel stem Artificial hip joint with novel stem

1975-02-28

1976-12-14

Frinks, Ronald L.

Surgery

Truss

Pad

3 191, 128 92C, 128 92CA, A61F 124

Patent

active

039966259

ABSTRACT:
An artificial hip joint including an acetabulum prosthesis for the cotyloid cavity defining a socket and having a plurality of outwardly extending blades for engaging the prepared wall of the cavity together with a prosthesis of the head of the femur movably interconnected with the acetabulum prosthesis and which includes a pin arranged to be driven into the bone-marrow channel of the femur, a neck connected integrally to the pin and a hip ball secured to the neck and movably disposed within the socket, the pin including a tapered upper portion and a lower portion provided with a plurality of longitudinally extending flutes to prevent rotation of the pin and a pair of rows of slots or holes arranged in diametrically opposed relationship on both the pin upper and lower portions for promoting bone ingrowth.

REFERENCES:
patent: 2490364 (1949-12-01), Livingston
patent: 2696817 (1954-12-01), Prevo
patent: 2719522 (1955-10-01), Hudack
patent: 3067740 (1962-12-01), Haboush
patent: 3579831 (1971-05-01), Stevens et al.
patent: 3805302 (1974-04-01), Mathys
patent: 3846846 (1974-11-01), Fisher
patent: 3848272 (1974-11-01), Noiles

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