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    • 96. 发明申请
    • GUIDE WIRE
    • 指导线
    • US20090157050A1
    • 2009-06-18
    • US12057763
    • 2008-03-28
    • Hideki FujimagariHiroshi Yagi
    • Hideki FujimagariHiroshi Yagi
    • A61M25/09
    • A61M25/09033A61M2025/09091A61M2025/09133A61M2025/09175
    • [Object] To provide a guide wire capable of obtaining excellent reshapability, while securing sufficient flexibility, at a distal part thereof.[Solving Means] The guide wire 1 has a wire body 10 including a first wire 2 disposed on the distal side and a second wire 4 joined to the proximal end of the first wire 2, and a helical coil 5 is disposed at a distal part of the wire body 10. The first wire 2 includes a reshapable section 3, a transition section 27, a distal-side constant outer diameter section 26, a first tapered section 22, a constant outer diameter section 21, a second tapered section 23 and a large diameter section 24, in this order from the distal end side. The reshapable section 3 is plate-like in shape, and is used in the state of being deformed into a desired shape (in a reshaped state). The reshapable section 3 is provided in its upper surface with five grooves 31a to 35a extending in the plate width direction of the reshapable section 3 and located at intervals along the longitudinal direction of the reshapable section 3. Of the reshapable section 3, the portion where the grooves 31a to 35a are formed is more susceptible to plastic deformation than the other part.
    • 本发明提供能够获得优异的再适应性的导丝,同时在其远端确保足够的柔性。 导线1具有包括设置在前侧的第一线2和与第一线2的基端连接的第二线4的线体10,螺旋线圈5设置在远端部 第一线2包括可重复部分3,过渡部分27,远侧恒定外径部分26,第一锥形部分22,恒定外径部分21,第二锥形部分23和 大直径部分24,从远端侧开始。 可变形部3的形状为板状,并且以变形为期望的形状(成型状态)的状态使用。 可翻转部分3在其上表面上设置有沿着可翻转部分3的板宽度方向延伸并且沿着可再展开部分3的纵向的间隔设置的五个凹槽31a至35a。在可翻转部分3中, 形成凹槽31a至35a比其它部分更容易受到塑性变形的影响。