Patent ID: 7291178
Filing Date: 2007-11-06
Classification: A61F,A61L,C25D

Abstract:
1. Osteoconductive/osteoinductive titanium/titanium alloy implant comprising: a titanium oxide with anodic incorporation of an additional element, said additional element being a single one element chosen from the group consisting of calcium, phosphor and sulphur, wherein, said implant exhibits a cross-section of an osteoconductive/osteoinductive oxide layer, which consists of a double layer structure of an upper porous layer of the titanium oxide with anodic incorporation of the additional element and a lower compact barrier layer of the titanium oxide with anodic incorporation of the additional element, wherein the lower barrier layer comprises less of said additional element than the upper porous layer, and the upper porous layer exhibits more than about 11% porosity and less than about 30%.