Laser based metal deposition of implant structures

A - Human Necessities – 61 – L

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Details

A61L 27/04 (2006.01) A61F 2/02 (2006.01) A61F 2/30 (2006.01) C23C 20/02 (2006.01) C23C 24/08 (2006.01) C23C 26/00 (2006.01)

Patent

CA 2548441

A method of depositing a hard wear resistant surface onto a porous or non- porous base material of a medical implant. The medical implant device formed by a Laser Based Metal Deposition (LBMD) method. The porous material of the base promotes bone ingrowth allowing the implant to fuse strongly with the bone of a host patient. The hard wear resistant surface provides device longevity when applied to bearing surfaces such as artificial joint bearing surface or a dental implant bearing surface.

L'invention concerne un procédé d'application d'un revêtement dur résistant à l'usure sur un matériau de base poreux ou non poreux d'une prothèse chirurgicale. L'invention concerne par ailleurs le dispositif de prothèse chirurgicale obtenu par un procédé de dépôt métallique par laser (Laser Based Metal Deposition (LBMD)). Le matériau poreux de la base favorise l'interposition osseuse, ce qui permet à la prothèse de fusionner fortement avec l'os du patient receveur. Le revêtement dur résistant à l'usure augmente la longévité des dispositifs lorsqu'il est appliqué sur des surfaces d'appui, telles que les surfaces d'appui d'articulations artificielles ou les surfaces d'appui d'implants dentaires.

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