Castor oil polymers for needle coatings

Details Castor oil polymers for needle coatings Castor oil polymers for needle coatings

C - Chemistry, Metallurgy

08

G

C08G 63/08 (2006.01) A61B 17/06 (2006.01) A61L 17/00 (2006.01) A61L 17/10 (2006.01) A61L 17/14 (2006.01) A61L 31/06 (2006.01) A61L 31/10 (2006.01) C08G 63/64 (2006.01) C08G 63/664 (2006.01) A61B 17/00 (2006.01)

Patent

CA 2114916

ABSTRACT A polymer, particularly a biomedical polymer for the fabrication of medical and surgical devices and for use as a coating, is described. The polymer is derived from the reaction product of one or more lactone monomers and castor oil preferably: (a) .epsilon.-caprolactone, trimethylene carbonate or an ether lactone; (b) castor oil; and (c) glycolide, lactide or 1,4-dioxanone. The preferred polymer is derived from .epsilon.-caprolactone, castor oil, and glycolide. The polymer in preferred embodiments is ideally suited for use as a coating for a surgical suture, particularly an absorbable, braided multifilament suture and surgical needles. For this application, glycerol is advantageously added to the reactive monomer mix from which the polymer is derived.

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