Patent ID: 7374575

Claim:
A femoral stem for hip prosthesis, comprising: a main body with mainly longitudinal development and with a generally wedge shape, adapted to be inserted into the femoral canal present in a body of a femur; a central body of a generally trapezoidal shape integral with said main body, adapted to be located in a proximal zone of said femur; and an appendix projecting from said central body, provided with a terminal pin adapted to receive a spherical head of a joint in a cotyle belonging to said prosthesis and inserted in an acetabular zone of a pelvic bone, wherein said main body and said central body are defined by a shaped surface on a medial side of the femoral stem and by a surface having a mixtilinear profile on an opposite lateral side, wherein said central body includes a shaped notch in the form of an open-ended slot, wherein the shaped notch is a solitary notch, wherein said notch, wherein said notch includes an open end at the mixtilinear profile of said main body and extends generally toward the projecting appendix, said shaped notch passing through a thickness of said central body from an anterior side to a posterior side of the femoral stem, wherein the central body includes a first zone, arranged generally to face a greater trochanter of said femur, and a second zone, arranged generally to face a lesser trochanter of said femur, and wherein said first zone and said second zone are joined at a bridge portion disposed adjacent a closed end of the notch at the posterior side of the femoral stem.