Patent ID: 7238207

Claim:
A shoulder prosthesis comprising: a stem having a proximal end; a ball head; a middle section, the ball head being adapted to be attached to the middle section; and an attachment element which is adapted to be displaced in a first direction in a guide bore in the proximal end of the stem, the first direction lying in a resection plane or in a plane parallel thereto and running approximately medially-laterally, and the middle section being adapted to be clamped against the attachment element through a window in the wall of the guide bore, so that the middle section can be attached to the proximal end of the stem at various positions along the first direction, wherein the middle section is further adapted to be adjusted in a second direction vis-à-vis the attachment element, and wherein the middle section has one of an axial slot shoulder bore, or a circular bore where the ball head has an eccentric recess arranged on an underside thereof.