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    • 21. 发明专利
    • Bioabsorbable tube and its manufacturing method
    • 可生物管及其制造方法
    • JP2007289634A
    • 2007-11-08
    • JP2006244528
    • 2006-09-08
    • Gc Corp株式会社ジーシー
    • YAMAMOTO KATSUSHIYAMANAKA KATSUYUKISUDA YOKOKANEKO TADASHI
    • A61L27/00
    • A61B17/1128A61B2017/00004A61L27/18A61L27/50A61L27/58C08L67/04
    • PROBLEM TO BE SOLVED: To provide a bioabsorbable tube and its manufacturing method low in costs and ready to complete a set of multiple tubes differing in thickness, inner diameter and outer configuration, in comparison with conventional bioabsorbable tubes. SOLUTION: The manufacturing method for the bioabsorbable tube is that a bioabsorbable polymer material sheet produced by drying up a solvent of a solution of a bioabsorbable polymer is wound into a tubular shape, and then at lease doubled areas near the tubular sheet's outer peripheral side end edges are fused or welded together into a tube, or otherwise that the bioabsorbable polymer material sheet produced by freeze-drying up the solvent of the solution of the bioabsorbable polymer is wound into a tubular shape, and then it is further wound by another bioabsorbable polymer material sheet produced by non-freeze-drying up the solvent of the solution of the bioabsorbable polymer into a tubular shape, followed by fusing or welding together at least doubled areas near the outer peripheral side end edges of the outside bioabsorbable polymer material sheet, thus forming a double-layer bioabsorbable tube. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:与传统的生物可吸收管相比,提供低成本的生物可吸收管及其制造方法,并准备完成一组不同厚度,内径和外部构型的多个管。 生物可吸收管的制造方法是通过将生物可吸收性聚合物的溶液的溶剂干燥而生成的生物体吸收性聚合物材料片卷绕成管状,然后在管状片材的外部附近的至少两倍的区域 外周侧端缘熔接或焊接在一起成管,否则通过将生物可吸收性聚合物溶液的溶剂冷冻干燥而制造的生物可吸收聚合物材料片被卷绕成管状,然后进一步被 另一种生物可吸收聚合物材料片,其通过将生物可吸收聚合物溶液的溶剂冷冻干燥成管状形状,然后将外部生物可吸收性聚合物材料的外周侧端缘附近的至少两倍的区域熔合或焊接在一起 从而形成双层生物可吸收管。 版权所有(C)2008,JPO&INPIT