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    • 25. 发明申请
    • Method Of Manufacturing A Stent From A Polymer Tube
    • 从聚合物管制造支架的方法
    • US20090001633A1
    • 2009-01-01
    • US11771967
    • 2007-06-29
    • Timothy A. LimonDaniel A. CastroDavid C. Gale
    • Timothy A. LimonDaniel A. CastroDavid C. Gale
    • B29C35/06
    • B29B13/024A61F2/91B29C35/041B29C49/68B29C2049/0089B29K2105/258B29L2031/7532B29L2031/7542
    • A blow molding apparatus for expanding a polymer tube and a method for fabricating a stent using the apparatus is disclosed. The polymer tube is disposed within a tubular mold, over which a heated ring is made of a material having thermal conductivity greater than the tubular mold is translated. The ring is heated with heated fluid streams applied directly onto an outer surface of the ring, or heated fluid circulated within the ring, or an electrically resistive coil within the ring, or combinations thereof. The heated ring uniformly heats a circumference of the tubular mold that, in turn, uniformly heats a circumferential band of the polymer tube. The heated polymer tube is progressively expanded radially and axially while the ring is translated longitudinally over the polymer tube. The expanded polymer tube can be heat set and cooled prior to removal from the tubular mold.
    • 公开了一种用于膨胀聚合物管的吹塑设备和使用该设备制造支架的方法。 聚合物管设置在管状模具内,加热的环由热导率大于管状模具的材料制成。 环被加热的流体流直接施加到环的外表面上,或在环内循环的加热流体,或环内的电阻线圈或其组合。 加热环均匀地加热管状模具的圆周,这又使得聚合物管的周向带均匀地加热。 加热的聚合物管在径向和轴向上逐渐扩大,同时环在聚合物管上纵向平移。 膨胀聚合物管可以在从管状模具移除之前进行热定形和冷却。
    • 27. 发明申请
    • Method of fabricating polymeric self-expandable stent
    • 制造聚合物自扩张支架的方法
    • US20080058916A1
    • 2008-03-06
    • US11444843
    • 2006-05-31
    • Bin HuangDavid C. Gale
    • Bin HuangDavid C. Gale
    • A61F2/06B05D1/12
    • A61F2/90A61F2210/0004
    • A method of manufacturing a radially expandable an implantable medical device, the method comprising: providing a plurality of fibers, the fibers comprising a polymer; disposing the plurality of fibers on a cylindrical support element to form a tubular structure, the tubular structure having an initial diameter; heat setting the tubular structure such that the temperature of the tubular structure is between Tg to Tm of the polymer while heat setting, wherein the tubular structure is maintained at a heat set diameter which is equal to or substantially equal to the initial diameter; and fabricating an implantable medical device from the tubular structure.
    • 一种制造可径向扩张的可植入医疗装置的方法,所述方法包括:提供多根纤维,所述纤维包括聚合物; 将所述多个纤维布置在圆柱形支撑元件上以形成管状结构,所述管状结构具有初始直径; 热定形管状结构,使得管状结构的温度在热定形时在聚合物的Tg至Tm之间,其中管状结构保持在等于或基本等于初始直径的热定形直径; 以及从所述管状结构制造可植入医疗装置。