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    • 94. 发明申请
    • METHODS OF MANUFACTURING LINEARLY EXPANDABLE URETERAL STENTS
    • 制造线性可膨胀性尿路狭窄的方法
    • US20110290404A1
    • 2011-12-01
    • US13205440
    • 2011-08-08
    • Barry N. Gellman
    • Barry N. Gellman
    • B29C53/36
    • A61F2/88A61F2/04A61M27/008
    • A method includes forming an elongated member having a tubular shape. The elongated member includes a sidewall that defines a lumen. A spiral-shaped opening is formed in the sidewall such that the elongated member is configured to move between a retracted configuration and an expanded configuration along a longitudinal axis of the lumen. In some embodiments, the method further includes forming a distal retention structure. The distal retention structure can be disposed at a distal end of the elongated member and can define a lumen in fluid communication with the lumen defined by the sidewall of the elongated member.
    • 一种方法包括形成具有管状形状的细长构件。 细长构件包括限定内腔的侧壁。 在侧壁中形成螺旋形的开口,使得细长构件构造成沿着管腔的纵向轴线在缩回构型和扩张构型之间移动。 在一些实施例中,该方法还包括形成远侧保持结构。 远端保持结构可以设置在细长构件的远端处并且可以限定与由细长构件的侧壁限定的内腔流体连通的内腔。