Patent ID: 8147560

Claim:
Implant for insertion into a human or animal body, comprising: at least one implant part having a base member produced from an implant material and having a surface designed at least partially in a form of an artificial joint surface, a wear-reducing hard material coating covering at least part of the joint surface, an intermediate layer provided between the hard material coating and the joint surface for the purpose of reducing tension between the hard material coating and the implant material, wherein: the hard material coating is designed as a multilayered layer system; the layer system has an outer covering layer pointing away from the implant part and at least one inner layer located beneath the covering layer; a hardness of the covering layer is greater than a hardness of the at least one inner layer; the at least one inner layer comprises at least one of a chromium nitride (CrN) layer and a chromium carbonitride (CrCN) layer; and the covering layer either contains zirconium (Zr) or is zirconium nitride (ZrN).