Shank for a hip joint prosthesis

Details Shank for a hip joint prosthesis Shank for a hip joint prosthesis

1980-12-30

1983-09-20

Apley, Richard J.

Surgery

Truss

Pad

128 92C, A61F 104

Patent

active

044046936

ABSTRACT:
The shank blade widens conically to all sides from a distal end to a point between 2/3 and 3/4 of the height of the shank. The upper portion of the blade is thinner and tapers to the collar. The shank avoids the so called "closure (final rotation" which is caused by too small a space for the shank blade in the neck of a femur bone. The shank blade has a generally rectangular cross-section with rounded corners to fit against the cortical bone tissue and has a trochanter wing to improve transmission of torque from the surrounding musculature to the hip joint.

REFERENCES:
patent: 3623164 (1971-11-01), Bokros
patent: 3744061 (1973-07-01), Frost
patent: 3965490 (1976-06-01), Murray et al.

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