A - Human Necessities – 61 – L
Patent
A - Human Necessities
61
L
A61L 27/48 (2006.01) A61L 24/00 (2006.01) A61L 24/08 (2006.01) A61L 27/20 (2006.01) A61L 27/56 (2006.01)
Patent
CA 2589139
This invention relates to an orthopaedic composition comprising porous chitosan particles suspended in a liquid medium wherein the liquid medium further comprises a biocompatible polymer. The invention also provides a process for preparing a solid or semi-solid orthopaedic material by drying the orthopaedic composition. The resulting solid or semi-solid orthopaedic material finds use as a bone-replacement material, a bone cement and a tissue scaffold. A process for preparing suitable porous chitosan particles for the present invention by incorporating a porogen capable of inducing crystallinity is also described.
L'invention concerne une composition orthopédique comprenant des particules de chitosanes poreuses suspendues dans un milieu liquide, celui-ci comprenant également un polymère biocompatible. L'invention concerne également un procédé de préparation d'une substance orthopédique solide ou semi-solide consistant à sécher ladite composition. La substance orthopédique solide ou semi-solide obtenue peut être utilisée comme matériau de remplacement d'os, ciment osseux et un échafaudage de tissu. L'invention concerne également un procédé de préparation de particules de chitosanes poreuses appropriées selon l'invention consistant à incorporer un porogène capable d'induire une cristallinité.
Carbgraft Ab
Riches Mckenzie & Herbert Llp
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