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    • 58. 发明授权
    • Spiral wound stent
    • 螺旋伤口支架
    • US06551351B2
    • 2003-04-22
    • US09347066
    • 1999-07-02
    • Scott SmithBrian Brown
    • Scott SmithBrian Brown
    • A61F206
    • A61F2/915A61F2/88A61F2/91A61F2002/91533A61F2002/91558
    • A self-expanding tubular stent comprises a plurality of stent segments. Each stent segment is formed of an elongate ribbon having portions cut therefrom to form a wave-like undulating pattern, opposed edges of which are attached to one another so as to form a generally cylindrical configuration. A disclosed method effects formation of such an expandable tubular stent by first providing an elongate flat ribbon of biocompatible stent material and selectively removing portions of such material to form an undulating wave-like pattern along the length of the ribbon. The ribbon is then coiled into a generally cylindrical configuration and opposed ends of the ribbon are secured to one another to form a generally cylindrical and expandable spiral stent section. After forming a plurality of such stent sections, the stent sections are arranged in longitudinal succession and interconnected so as to form an elongated stent configuration.
    • 自扩张管状支架包括多个支架段。 每个支架段由细长的带形成,其具有从其切割的部分,以形成波状波状图案,其相对的边缘彼此附接以形成大致圆柱形的构造。 所公开的方法通过首先提供生物相容性支架材料的细长扁平带并选择性地去除这些材料的部分以沿着带的长度形成波浪状波纹图案来实现这种可扩张管状支架的形成。 然后将带卷绕成大致圆柱形的构造,并且带的相对端彼此固定以形成大致圆柱形和可扩展的螺旋支架部分。 在形成多个这样的支架部分之后,支架部分被纵向排列并相互连接以便形成细长的支架结构。