Hip joint prosthesis

Details Hip joint prosthesis Hip joint prosthesis

1976-05-24

1977-07-05

Frinks, Ronald L.

Surgery

Truss

Pad

128 92C, 128 92CA, A61F 124

Patent

active

040329941

ABSTRACT:
The joint head is mounted via a sleeve of a cup-shaped member to rotate and move axially relatively to a pin on the prosthesis stem while at least one groove-like recess is formed between the sleeve and joint head to allow passage of lubricant. The movement of the joint head produces a "reciprocating pump" effect on the lubricating fluid.

REFERENCES:
patent: 3658056 (1972-04-01), Huggler et al.
patent: 3894297 (1975-07-01), Mittelmeier et al.

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