Articulated hip-joint for an artificial leg

Details Articulated hip-joint for an artificial leg Articulated hip-joint for an artificial leg

1983-04-20

1985-04-30

Frinks, Ronald L.

3 21, A61F 108, A61F 104

Patent

active

045134570

ABSTRACT:
In a prosthetic hip-joint for an artificial leg a first joint member is connected to an upright shank of a two-shank fastening angle. A second joint member is pivotally connected to the first joint member by a pivot so that the second member can be pivoted relative to the first member between a first position corresponding to the standing position of the leg and a second position corresponding to the sitting position of the leg. The joint further includes stop surface abutments on the first member and the second member for limiting the pivoting movement of the second member relative to the first member and a compression spring on the second member for generating an elastic counter force applied to second member when it is pivoted from the first position into the second position and vice versa such that in the sitting position the first and second members do not extend downwardly from a horizontal shank of the fastening angle.

REFERENCES:
patent: 4051558 (1977-10-01), Vallotton
patent: 4215441 (1980-08-01), Wilson
"The IPOS Hip Joint for Hip Disarticulation or Hemipelvectomy Prostheses", Hosmer Dorrance Corp., P.O. Box 37, Campbell, California 95008, (4 pages), received Jun. 23, 1978, 3-15.

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