Hip joint prosthesis

Details Hip joint prosthesis Hip joint prosthesis

1985-03-04

1987-04-28

Apley, Richard J.

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

Implantable prosthesis

Bone

A61F 232

Patent

active

046611126

ABSTRACT:
A ruff or collar is positioned on the hip joint prosthesis shank prior to insertion of a prosthesis into a bone. The ruff can be slipped onto the straight shank in the direction of the longitudinal axis from the distal. The ruff is fixed to the transition region between the shank and the prosthesis neck by means of conical clamping surfaces.
A set of ruffs may be provided each of which has a different thickness and/or different angle between the underside bearing surface and the top surface to accommodate inaccuracies in a resection cut.

REFERENCES:
patent: 3466670 (1969-09-01), Christiansen
patent: 3869731 (1975-03-01), Waugh et al.
patent: 3987499 (1976-10-01), Scharbach et al.
patent: 4012796 (1977-03-01), Weisman et al.
patent: 4310931 (1982-01-01), Muller
patent: 4430761 (1984-02-01), Niederer et al.

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