Femoral stem for hip prosthesis

Details Femoral stem for hip prosthesis Femoral stem for hip prosthesis

2008-05-20

2008-05-20

Sweet, Thomas J (Department: 3774)

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

Implantable prosthesis

Bone

C623S023170

Reexamination Certificate

active

07374575

ABSTRACT:
A femoral stem for hip prosthesis is disclosed comprising: a main body with a mainly longitudinal development and a generally wedge shaped, which is inserted into the femoral canal present in the body of the femur; a central body of a generally trapezoidal shape integral with the main body, located in the proximal zone of the femur; an appendix projecting from the central body provided with a terminal pin receiving spherical head of joint into the cotyle belonging to the prosthesis and inserted into the acetubular zone of the pelvic bone. The main body and the central body are defined by a shaped surface on one side and a mixtilinear surface on the opposite side from which a shaped notch is starting involving the central body and extending up to the proximity of the projecting appendix.

REFERENCES:
patent: 5002575 (1991-03-01), Johnson
patent: 5041140 (1991-08-01), Teinturier
patent: 5755811 (1998-05-01), Tanamal et al.
patent: EP 0669116 (1995-08-01), None
patent: 4437479 (1996-05-01), None
patent: 0354142 (1990-02-01), None
patent: 0669116 (1995-08-01), None
patent: EP 0354142 (1989-07-01), None
patent: 2660853 (1991-10-01), None
patent: 2681239 (1993-03-01), None

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