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    • 10. 发明授权
    • Coated, slow-absorbing textile constructs for sutures and tissue engineering
    • 用于缝线和组织工程的涂层缓慢吸收的纺织结构
    • US07048753B2
    • 2006-05-23
    • US10086312
    • 2002-03-01
    • Shalaby W. Shalaby
    • Shalaby W. Shalaby
    • A61B17/04
    • C08G63/08A61L17/12A61L27/18A61L31/06C08G63/64C08L69/00C08L67/04
    • The present invention is directed to crystalline copolymers of l-lactide and a minor portion of a cyclic monomer, preferably ε-caprolactone or trimethylene carbonate or both. The present copolymers have a melting temperature of at least 150° C. and a crystallinity of at least 20%. Preferred are high molecular weight copolymers having an inherent viscosity of at least 1.1 dl/g. A variety of surgical constructs may be formed from the present copolymers. Disclosed are coated surgical constructs including sutures made of multifilament yarns of the present copolymers and coated with nitrogenous copolyesters which will bioabsorb in less than three years and will maintain at least 50% of their initial strength three weeks post-operatively.
    • 本发明涉及1-丙交酯和少部分环状单体的结晶共聚物,优选ε-己内酯或三亚甲基碳酸酯或两者。 本共聚物的熔融温度至少为150℃,结晶度至少为20%。 优选的是具有至少1.1dl / g的特性粘度的高分子量共聚物。 各种手术构建体可以由本发明的共聚物形成。 公开了包括本发明共聚物的复丝纱线的缝合线的涂层手术构造物,并且涂覆有含氮共聚酯,其将在不到3年的时间内生物吸收,并且将在手术后三周保持其初始强度的至少50%。