A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 47/30 (2006.01) A61L 17/00 (2006.01) A61L 27/00 (2006.01) A61L 27/18 (2006.01) A61L 27/56 (2006.01) C08L 67/04 (2006.01)
Patent
CA 2182279
A process for forming biocompatible porous matrices of bioabsorbable materials comprising: a) providing a bioabsorbable polymer; b) dissolving the bioabsorbable polymer in a volumetric orientation aid to yield a molten solution; c) solidifying the molten solution to yield an orientation matrix comprising first and second phases, the first phase being the bioabsorbable polymer and the second phase being the volumetric orientation aid; and d) the removing of the volumetric orientation aid from the solid orientation matrix; to yield a biocompatible matrix of bioabsorbable polymer. Also matrices formed by the process and devices made with such matrices.
Procédé de formation de matrices poreuses biocompatibles de matériaux bioabsorbables consistant: a) à se procurer un polymère bioabsorbable; b) à dissoudre ledit polymère dans une aide d'orientation volumétrique pour obtenir une solution fondue, c) à solidifier la solution fondue pour obtenir une matrice d'orientation comprenant une première et une seconde phase dont la première est un polymère bioabsorbable et la seconde, une aide d'orientation volumétrique, et d) à extraire l'aide d'orientation volumétrique de la matrice d'orientation solide, ce qui donne la matrice biocompatible de polymère bioabsorbable recherchée. L'invention porte également sur lesdites matrices ainsi obtenues.
Barrows Thomas H.
Suszko Paul R.
Truong Myhanh T.
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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