Polyurethanes for osteoimplants

Details Polyurethanes for osteoimplants Polyurethanes for osteoimplants

C - Chemistry, Metallurgy

08

G

C08G 18/64 (2006.01) A61L 27/40 (2006.01) A61L 27/46 (2006.01) A61L 27/54 (2006.01) A61L 27/58 (2006.01) C08G 18/10 (2006.01) C08G 18/36 (2006.01) C08G 18/38 (2006.01) C08G 18/72 (2006.01) C08J 5/04 (2006.01) C08K 11/00 (2006.01) C08L 75/04 (2006.01)

Patent

CA 2514336

biological-based polyurethanes and methods of making the same. The polyurethanes are formed by reacting a biodegradable polyisocyanate (such as lysine diisocyanate) with an optionally hydroxylated biomolecule to form polyurethane. The polymers formed may be combined with ceramic and/or bone particles to form a composite, which may be used as an osteoimplant.

L'invention concerne des polyuréthannes biologiques et leurs procédés de fabrication. On obtient lesdits polyuréthannes en faisant réagir un polyisocyanate biodégradable (notamment un diisocyanate de lysine) avec une biomolécule éventuellement hydroxylée afin d'obtenir le polyuréthanne. Les polymères formés peuvent être combinés à des particules céramiques et/ou osseuses afin d'obtenir un composite, que l'on peut utiliser comme implant osseux.

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