Hip prosthesis

Details Hip prosthesis Hip prosthesis

1988-06-13

1990-07-31

Isabella, David J.

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

Bone

606 62, A61F 232, A61F 104

Patent

active

049447645

ABSTRACT:
A hip prosthesis comprises a generally cylindrical elongate shaft adapted for insertion into the femur of a subject, and a generally spherical head mounted on the shaft via a generally cylindrical neck, the dimensions of the head, neck and shaft being defined. The proximal end of the shaft is spaced by 0.5-1.5 cm from the plane normal to the longitudinal axis of the shaft and through the center of the head, to avoid abduction. The center of the head is offset by no more than 4.25 cm from the longitudinal axis of the shaft, to minimise damage to the subject during insertion of the prosthesis.

REFERENCES:
patent: 3067740 (1962-12-01), Haboush
patent: 3818512 (1974-06-01), Shersher
patent: 3906550 (1975-09-01), Rostoker et al.
patent: 4310931 (1982-01-01), Muller
patent: 4488319 (1984-12-01), von Recum
patent: 4546501 (1985-10-01), Gustilo et al.
"The Journal of Bone and Joint Surgery", British vol. 67-B (1985); Number Three (May).
"Huckstep Intramedullary Compression Nail", Downs Surgical PLC (1985).
"Huckstep Nail System", Downs Surgical Limited (1987).

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