Bone substitute material comprising crystalline calcium...

A - Human Necessities – 61 – L

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Details

A61L 27/12 (2006.01) A61L 27/42 (2006.01) A61L 27/56 (2006.01) A61L 27/58 (2006.01)

Patent

CA 2537620

The invention especially relates to a hydroxylapatite/silicon dioxide granular material having a defined morphology, to a highly porous bone substitute material based on said granular material and to glass ceramics for use as a bone substitute material which is in turn based on said highly porous bone substitute material. Said glass ceramics has a variable mechanical stability. The invention also relates to molded bodies produced on the basis of said material, wherein materials having different mechanical stabilities are preferably used for the molded body. The inventive bone substitute materials are characterized by their excellent resorbability in vivo.

L'invention concerne, en particulier, un granulat d'hydroxylapatite/dioxyde de silicium, de morphologie définie, un matériau de remplacement osseux, de haute porosité, à base de ce granulat, et une céramique vitreuse, également à base de ce granulat, utilisée comme matériau de remplacement osseux, qui se caractérise par une résistance mécanique variable. L'invention concerne en outre des corps moulés en ce matériau, caractérisés en ce qu'on utilise pour ces corps moulés, de préférence, des matériaux de résistance mécanique différente. Les matériaux de remplacement osseux selon l'invention se caractérisent par une très bonne résorbabilité in vivo.

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