Patent ID: 7189261

Claim:
A modular humeral prosthesis for replacement of the humeral head of a humerus, comprising: (a) a stem adapted to be fitted to a resected humerus; (b) an eccentric head adapted to approximate the size and shape of a humeral head, having an eccentric mating portion adapted to interface with an intermediate connecting member; (c) an intermediate connecting member for connecting the stem to the head, the intermediate connecting member including: a first connecting surface that is adapted to cooperate with structure forming part of the stem in order to mount the intermediate connecting member to the stem; and a second connecting surface adapted to cooperate with structure forming part of the head in order to mount the head to the intermediate connecting member, the second connecting surface at least partially nested with the first connecting surface and the first and second surfaces being surfaces of rotation having axes of rotation, the axis of rotation of the first surface non-collinear with the axis of rotation of the second surface.