An orthopaedic implant having a porous metal surface in a preferred embodiment, the implant comprises three layers including a biocompatible metal core of desired shape, a polymer intermediary layer, and a surface layer comprising a porous biocompatible metal, shaped appropriately to act as the surface...http://www.google.es/patents/US6740186?utm_source=gb-gplus-sharePatente US6740186 - Method of making an orthopeadic implant having a porous metal surface
Method of making an orthopeadic implant having a porous metal surface