Artificial hip-joint

Details Artificial hip-joint Artificial hip-joint

1975-06-27

1976-08-10

Frinks, Ronald L.

Surgery

Truss

Pad

128 92C, A61F 124

Patent

active

039732789

ABSTRACT:
A hip-joint replacement having an endoprosthesis of the acetabulum and an endoprosthesis of the proximal portion of the femur connected with the endoprosthesis of the acetabulum, the endoprosthesis of the proximal portion of the femur comprising an intramedullar nail, a neck into which said pin smoothly turns, and a spherical head secured on said neck. On the end of the neck there is formed a slot for receiving a taper pin whose widening portion faces outward, the height of the taper pin exceeding the depth of the slot formed in the neck. The spherical head has a slot broadening toward the interior of the head which serves to accommodate said neck with said taper pin. The proposed principle of connection of the neck with the head of the endoprosthesis of the proximal portion of the femur improves the reliability and strength of the artificial hip-joint, while simultaneously providing a simpler manufacturing procedure.

REFERENCES:
patent: 3102536 (1963-09-01), Rose et al.
patent: 3656184 (1972-04-01), Chambers
patent: 3818512 (1974-06-01), Shersher
patent: 3820167 (1974-06-01), Sivash
patent: 3848272 (1974-11-01), Noiles

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