Patent ID: 6332896
Filing Date: 2001-12-25
Classification: A61F

Abstract:
A prosthetic component implantable into a hollow interior portion of a first bone, said prosthetic component comprising:a proximal body;a stem disposed on a lower portion of the proximal body and extending therefrom in a distal direction, said stem having a longitudinal axis, wherein a distal-most portion of the proximal body is wider than a proximal-most portion of the stem such that the stem and the proximal body cooperatively form a convex corner therebetween, said convex corner defining a boundary between said distal-most portion of the proximal body and said proximal-most portion of the stem; anda collar disposed on the proximal body and extending outward therefrom in a sideways direction with respect to the longitudinal axis of the stem to thereby define a ledges;wherein the collar extends outward from the proximal body in a medial direction and in a posterior direction and in an anterior direction such that the ledge comprises a tri-directional, continuous medial-posterior-anterior overhang;wherein the overhang includes a rounded, bowl-shaped, nonplaner undersurface.