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    MEDICAL INSTRUMENT AND METAL PRODUCT
    3.
    发明公开
    MEDICAL INSTRUMENT AND METAL PRODUCT 有权
    MEDITEPRODUKT医学仪器仪表

    公开(公告)号：EP2468320A1

    公开(公告)日：2012-06-27

    申请号：EP10809911.0

    申请日：2010-08-12

    申请人： Kawasumi Laboratories, Inc.

    发明人： SUZUKI Tetsuya ,  MURAKAMI Kazunori

    IPC分类号： A61L31/00 ,  A61F2/82

    CPC分类号： A61L31/088 ,  A61F2/88 ,  A61F2/915 ,  A61F2310/0058 ,  A61L31/022 ,  A61L2420/08 ,  C23C16/26 ,  Y10T428/24942 ,  Y10T428/30 ,  Y10T428/31678

    摘要： [Object] To provide a medical instrument capable of more effectively inhibiting a cracking and separation than conventional ones.
    [Solution Means] A stent comprising a substrate layer 10 of which at least the surface is composed of a metal material, a carbon compound layer 12 that is formed so as to coat the surface of the substrate layer 10 and that contains at least one metal element, a first DLC layer 14 that is formed so as to coat the surface of the carbon compound layer 12 and that is free of fluorine, and a second DLC layer 16 that is formed so as to coat the surface of the first DLC layer 14 and that contains fluorine. The stent being constituted to satisfy the relationship defined by the expression of "A1>A2>A3", wherein A1 is a surface free energy of the carbon compound layer 12, A2 is a surface free energy of the first DLC layer 14, and A3 is a surface free energy of the second DLC layer 16.

    摘要翻译： 本发明提供能够比现有技术更有效地抑制裂解和分离的医疗器械。 [解决方案]一种支架，其包括至少表面由金属材料构成的基底层10，形成为涂覆基底层10的表面并且包含至少一种金属的碳化合物层12 元件，形成为涂覆碳化合物层12的表面并且不含氟的第一DLC层14和形成为涂覆第一DLC层14的表面的第二DLC层16 并含有氟。 支架被构造成满足“A1> A2> A3”表达式所定义的关系，其中A1是碳化合物层12的表面自由能，A2是第一DLC层14的表面自由能，而A3 是第二DLC层16的表面自由能。