Femoral prosthesis for total hip replacement

Details Femoral prosthesis for total hip replacement Femoral prosthesis for total hip replacement

1987-11-10

1988-10-18

Apley, Richard J.

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

Implantable prosthesis

Bone

A61F 232

Patent

active

047784750

ABSTRACT:
A femoral component for a hip joint prosthesis comprises a proximal portion adapted to be received in the intertrochanteric region of a femur, a neck portion extending obliquely medially, anteriorly and superiorly from the proximal portion and adapted to be joined to a femoral head element, and a stem portion smoothly merging with and extending inferiorly from the proximal portion. The proximal portion has anterior and prosterior aspects that converge medially and inferiorly and intersect a rounded medial aspect oriented obliquely to the stem portion both anteriorly and medially, said aspects defining a generally wedge-shaped body adapted to engage the endosteal surfaces of the femur in the intertrochanteric region such that substantially all loads are transmitted from the component to the bone in the intertrochanteric region and load transfers through other surfaces are minimized.

REFERENCES:
patent: 4536894 (1985-08-01), Galante et al.
patent: 4589883 (1986-05-01), Kenna

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