PROSTHETIC JOINT AND METHOD OF MANUFACTURE

摘要

A prosthetic joint (200) for replacing a damaged natural joint in the body has a first socket part (212) having a concave, articulating surface (222) and a second part (214) having a convex articulating surface (240) for rotatable seating engagement in the concave surface (222). Both parts (212, 214) of the joint (200) are made from titanium alloy and have a coating layer (250, 252) of titanium nitride covering at least the articulating surface (222, 240) of each joint part (212, 214).