Patent ID: 8343226

Claim:
A humeral prosthesis for the articulation of a humerus in a scapula of a shoulder having a glenoid cavity, comprising an articulation device able to be associated both with an articulation element mounted on the glenoid cavity, and also at the top of said humerus by means of attachment means, wherein the articulation device is able to articulate with the articulation element, and the articulation device comprises an insert, made of plastic material, and a humeral body associated with said attachment means, and wherein the insert and the humeral body are pivoted to each other around a pivoting axis (Y) to allow a free but limited movement of intra-rotation and extra-rotation thereof around the pivoting axis (Y), and wherein the attachment means includes a shaft fixed to the humeral body and for connecting to the humerus along an axis coaxial with the pivoting axis (Y) of the insert and of the humeral body so the pivoting axis (Y) represents the axis around which the movements of intra-rotation and extra-rotation of the humerus take place.