Patent ID: 9259321
Filing Date: 2016-02-16
CPC Classification: A61F

Claim Text:
1. Femur prosthetic hollow stem having a length, the hollow stem comprising: a sidewall and a cavity; the sidewall having an interior surface defining the cavity and an opposing exterior surface; the sidewall comprising a base and two divergent wings, each wing having a free edge, wherein each free edge is convexly curved in a lengthwise direction along the length of the stem; wherein the two divergent wings converge at a distal end of the cavity; and wherein the interior surface of the base is concavely curved in a lengthwise direction along a portion of the length of the stem; wherein the hollow stem is characterized in that a radius of curvature of the stem is constant, so that a surgeon can insert the stem in a femur bone with a movement of constant curvature.