Zementfreies Prothesenlagerelement

摘要

A cementless prosthetic bearing element comprises a backing (1) which supports a bearing liner (2) having a bearing surface (3), said backing (1) being moulded from a rigid polymeric material and said bearing liner (2) being made from an elastomeric polyurethane material and to which said backing (1) is moulded with an outer surface (3) which includes a number of raised engagement features provided in directions extending away from and/or towards the outer periphery of the outer surface.