Saddle-type hip prosthesis

Details Saddle-type hip prosthesis Saddle-type hip prosthesis

1997-05-21

1999-03-30

Shay, Randy C.

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

Implantable prosthesis

Bone

623 22, A61F 236

Patent

active

058882073

ABSTRACT:
A saddle-type prosthesis for replacement of a hip joint; includes a shank assembly for engagement in a femur, a saddle-shaped head having a seat to form a bearing area for engagement by a portion of a pelvic bone, and a mounting for so coupling the saddle-shaped head to the shank assembly as to permit a pivoting of the saddle-shaped head relative to the shank assembly about at least two predetermined axes for rotation with at least two degrees of freedom wherein one of the predetermined axes is positioned above the bearing area of the saddle-shaped head.

REFERENCES:
patent: 4645507 (1987-02-01), Engelbrecht et al.
patent: 5030238 (1991-07-01), Nieder et al.

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