C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/44 (2006.01) A01N 59/16 (2006.01) A61L 29/04 (2006.01) A61L 29/06 (2006.01) C08G 18/10 (2006.01) C08G 18/32 (2006.01) C08G 18/75 (2006.01) C08K 3/00 (2006.01) C08K 3/24 (2006.01) C08K 3/36 (2006.01) C08K 9/12 (2006.01)
Patent
CA 2690880
The present invention provides novel antimicrobial polyurethane compositions having excellent mechanical and biocompatibility properties, and methods to prepare them. The antimicrobial polyurethane compositions include a homogenous distribution of silver ions by incorporating this antimicrobial agent into the composition prior to the complete polymerization of the polyurethane. In preferred embodiments, the silver ion is associated with a carrier, such as zirconium phosphate or soluble glass powder. The present invention also includes components made from the antimicrobial polyurethane compositions, such as medical devices.
La présente invention concerne de nouvelles compositions de polyuréthanne antimicrobiennes qui présentent d'excellentes propriétés mécaniques et de biocompatibilité, ainsi que leurs procédés de préparation. Les compositions de polyuréthanne antimicrobiennes comprennent une distribution homogène d'ions argent obtenue en incorporant cet agent antimicrobien dans la composition avant la polymérisation complète du polyuréthanne. Selon certains modes de réalisation préférés, l'ion argent est associé avec un véhicule, tel que le phosphate de zirconium ou la poudre de verre soluble. La présente invention concerne également des composants fabriqués à partir des compositions de polyuréthanne antimicrobiennes, tels que des dispositifs médicaux.
Garey Harold Elbridge Jr.
Reed Andrew Martin
Advansource Biomaterials Corporation
Bcf Llp
LandOfFree
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