Bone-conserving hip system

Details Bone-conserving hip system Bone-conserving hip system

1995-01-17

1996-11-05

Jones, Mary Beth

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

Implantable prosthesis

Bone

A61F 236

Patent

active

055712037

ABSTRACT:
In a bone-conserving hip system, the proximal end of the femur is resected to accept a body with a flat mating surface. An anchoring rod extends from a rim on the body through a hole bored through the femoral shaft and is secured to the lateral side of the femur, thereby converting tensile stress introduced at the ball end of the head
eck assembly into compressive forces directed along the longitudinal axis of the femur. Anti-rotation means, preferably in the form of a plurality of fins extending radially outward from the housing, are used minimize rotation relative to the femur once the prosthesis is seated.

REFERENCES:
patent: 3064645 (1962-11-01), Ficat et al.
patent: 3781917 (1974-01-01), Mathys
patent: 4129903 (1978-12-01), Huggler
patent: 4608053 (1986-08-01), Keller
patent: 4795473 (1989-01-01), Grimes
patent: 4976740 (1990-12-01), Kleiner
patent: 5167666 (1992-12-01), Mattheck et al.
patent: 5181928 (1993-01-01), Bolesky et al.

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