Implant material and process for producing it

Details Implant material and process for producing it Implant material and process for producing it

A - Human Necessities

61

L

A61L 27/00 (2006.01) A61F 2/30 (2006.01) A61L 27/32 (2006.01) A61L 27/54 (2006.01) A61F 2/00 (2006.01)

Patent

CA 2205107

The invention provides a nanotechnology process for implant surface treatment for producing an implant article. The nanotechnology process comprises subjecting a non-porous material to a mechanical or chemical surface treatment until a surface roughness with an average peak distance (Ra value) between 10 and 1,000 nm is obtained. The roughened surface can subsequently be subjected to precipitation of calcium phosphate from a solution containing calcium and phosphate ions.

Processus de nanotechnologie pour le traitement de surface d'un implant, afin de produire un article d'implant. Ce processus de nanotechnologie comporte l'exposition d'un matériau non poreux à un traitement de surface mécanique ou chimique, jusqu'à l'obtention d'une rugosité de surface d'une distance moyenne maximum (valeur Ra) de 10 à 1 000 nm. La surface rugueuse peut subséquemment être soumise à une précipitation au phosphate de calcium à partir d'une solution contenant des ions calcium et des ions phosphate.

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