The present invention relates to a new composition and medical implant made therefrom, the composition comprising a thick diffusion hardened zone, and preferably further comprising a ceramic layer. The present invention relates to orthopedic implants comprising the new composition, methods of making...http://www.google.fr/patents/US7968209?utm_source=gb-gplus-shareBrevet US7968209 - Diffusion-hardened medical implant
