Novel porous composite and its use in implants

A - Human Necessities – 61 – L

Patent

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Details

A61L 27/56 (2006.01) A61L 27/10 (2006.01) A61L 27/40 (2006.01) A61L 27/42 (2006.01) A61L 27/54 (2006.01) C03C 3/097 (2006.01) C03C 4/00 (2006.01) C03C 8/22 (2006.01) A61B 17/86 (2006.01) A61F 2/00 (2006.01)

Patent

CA 2284283

This invention concerns a porous composite for filling a recess or a through-passing hole in an implant. The composite is comprised of: particles A prepared from a bioactive material, and particles B prepared from a non-bioactive or weakly bioactive material, which is sintratable with the said bioactive material, wherein particles A and particles B have been sintered together to a porous composite. The invention is characterized in that the particles A and particles B are essentially homogeneous in size. The invention also concerns an implant, which is comprised of a core and the said composite.

Composite poreux destiné à combler un évidement ou un trou traversant dans un implant. Ledit composite contient des particules A préparées à partir d'une matière bioactive et des particules B préparées à partir d'une matière non ou faiblement bioactive, qui peut être frittée avec ladite matière bioactive, les particules A et B étant frittées les unes avec les autres pour former un composite poreux. La présente invention est caractérisée en ce que les particules A et B sont de taille essentiellement homogène. Elle concerne en outre un implant qui est composé d'une partie centrale et dudit composite.

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