Patent ID: 8382850

Claim:
An insert for an acetabular cup comprising an insertion body having an external surface shaped to be able to be coupled with a mating seating of said acetabular cup, the insert comprising; at least a friction element which is positioned on said external surface and is able to determine a predefined friction with the surface of said seating, so that, during use, said friction element prevents the relative rotation of said insertion body and said acetabular cup, wherein said friction element is positioned fixed on said external surface, first clamping means able to keep the friction element solid with the insertion body, wherein said external surface comprises at least a part, shaped for mating with said seating, with which said friction element is associated, wherein the first clamping means comprises a radial edge disposed transverse to an annular wall of said friction element, and a corresponding annular seating, made on said part, able to cooperate with the radial edge.