Patent ID: 7252684
Filing Date: 2007-08-07
Classification: A61F,A61L,C04B,C23C

Abstract:
1. A prosthesis, comprising: a prosthetic joint comprising a ball portion and a cup portion said ball portion having an outer load bearing surface configured to engage with a load bearing surface within said cup portion; a ceramic treated with ion implantation, wherein said ion implanted ceramic is characterized as having a compressive stress in said surface due to said ion implantation wherein said ion-implanted ceramic with said compressive stress is not amorphous, wherein said ion implanted ceramic is said load bearing surface on at least one of said ball portion and said cup portion of said prosthetic joint; and a diamond-like coating on the ceramic load bearing surface, said diamond-like coating comprising an amorphous and cross-linked carbon network and wherein said diamond-like coating includes inter-atomic bonds between said ceramic and said diamond like coating.