A material for a bone substitute and the manufacturing...

A - Human Necessities – 61 – L

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A61L 27/00 (2006.01) A61L 27/30 (2006.01) A61L 27/32 (2006.01) A61F 2/00 (2006.01)

Patent

CA 2150036

It is an object of the present invention to offer a material suitable for use as a bone substitute, which provides both the fracture toughness of titanium and the bioactivity of apatite, wherein titanium and apatite is tightly adhered, and which is available at low cost. The material is produced by soaking a substrate made of titanium Ti or titanium Ti alloys into alkaline solution, followed by heating of the said substrate to the level of at most the titanium Ti transition temperature.

Matériau de substitution osseuse comprenant un matériau de base contenant du titane ou son alliage, et sur la surface de ce matériau, un revêtement contenant une phase d'oxyde de titane et une phase de titanate alcalin non cristallin, et procédé de production dudit matériau consistant à immerger un matériau de base contenant du titane ou son alliage dans une solution alcaline et à chauffer le matériau à une température inférieure au point de transition du titane ou de son alliage. Le matériau de la présente invention comprend du titane et de l'apatite fermement collés l'un à l'autre, possède à la fois la résistance à la fracture du titane et la bioactivité de l'apatite, et peut être produit à faible coût.

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