C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 81/00 (2006.01) A61L 17/12 (2006.01) C08G 63/08 (2006.01) C08J 5/00 (2006.01)
Patent
CA 2311477
Block copolymers for making surgical articles such as sutures have a first block, a second block wherein the first block includes about 40 mole percent to 65 mole percent of repeating units derived from glycolide randomly combined with about 60 percent to 35 percent of repeating units derived from lactide, and the second block contains a higher proportion of repeating units of glycolide than the first block.
L'invention concerne des copolymères séquencés destinés à la production d'articles chirurgicaux tels que fils de suture. Ces copolymères comprennent une première et une seconde séquence. La première séquence contient environ 40 à 65 pour-cent en moles de motifs récurrents dérivés de glycolide, combinés de manière aléatoire avec environ 60 à 35 pour-cent de motifs récurrents dérivés de lactide, et la seconde séquence comprend une proportion plus importante de motifs récurrents de glycolide que la première séquence.
Jonn Jerry Ying
Roby Mark
Mcfadden Fincham
United States Surgical Corporation
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