Apatite-coated metallic material, process for its...

Details Apatite-coated metallic material, process for its... Apatite-coated metallic material, process for its...

A - Human Necessities

61

L

A61L 27/32 (2006.01) A61F 2/02 (2006.01) A61L 27/04 (2006.01) C25D 9/04 (2006.01)

Patent

CA 2388903

The invention relates to a novel apatite-coated metallic material having improved surface quality and biocompatibility, a process for its preparation, and the use of the material for bone implants, in particular dental implants, artificial joints and fixative material for accident surgery (osteosynthesis material). The coating in this case consists of a thick covering of hydroxyapatite crystals and/or amorphous calcium phosphate spheres having a specific surface area of less than 15 m2/g.

L'invention concerne un nouveau matériau métallique recouvert d'apatite ayant une qualité de surface améliorée et de biocompatibilité, un procédé pour sa préparation, et l'utilisation de ce matériau pour implants osseux, en particulier d'implants dentaires, des articulations artificielles et matériau fixatif pour chirurgie d'accident (matériel d'ostéosynthèse). Le revêtement dans ce cas est constitué d'un revêtement épais de cristaux d'hydroxyapatite et/ou du phosphate de calcium amorphe des sphères ayant une zone de surface spécifique inférieure à 15 m2/g.

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