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    • 5. 发明授权
    • Stent aneurysm treatment system and method
    • 支架动脉瘤治疗系统及方法
    • US06361558B1
    • 2002-03-26
    • US09567318
    • 2000-05-09
    • Grant HieshimaDonald K. JonesVladimir Mitelberg
    • Grant HieshimaDonald K. JonesVladimir Mitelberg
    • A61F206
    • A61F2/88A61B17/12022A61B17/12118A61B17/1214A61B17/1285A61B2017/00867A61F2/0095A61F2/86A61F2/95A61F2002/065A61F2002/3008A61F2002/823A61F2250/0098
    • A vascular stent for opening blood vessel occlusions and for providing support to damaged areas of blood vessel sites includes a proximal end defining a first lumen opening. The helical stent is constructed from a resilient material and has a body portion extending from the proximal end to define a lumen. A distal end defines a second lumen opening a predetermined axial distance from the first lumen opening. The stent is maintained in a stretched linear state when in a catheter for delivery to a vascular site, and resiliently expands into a relaxed helical shape when released from the catheter. Various embodiments of the present invention are disclosed, including a stent made of a wire having a flattened cross-section, a helical wire stent having a flat ribbon to span between adjacent loops of wire, multiple intertwined stents in the same blood vessel. A preferred embodiment of the present invention involves treating an aneurysm formed at a vessel branching by arranging multiple helical wire stents in each vessel.
    • 用于打开血管闭塞并用于为血管部位的损伤区域提供支撑的血管支架包括限定第一腔开口的近端。 螺旋支架由弹性材料构成,并且具有从近端延伸以限定内腔的主体部分。 远端限定从第一管腔开口开口预定轴向距离的第二管腔。 当在用于输送到血管部位的导管中时,支架保持在拉伸的线性状态,并且当从导管释放时弹性地膨胀成松弛的螺旋形状。 公开了本发明的各种实施例,包括由具有扁平横截面的线材制成的支架,具有扁平带状物的螺旋形线支架,该扁平带状物跨过相邻的线圈之间,在同一血管中具有多个相互缠绕的支架。 本发明的优选实施方案涉及通过在每个容器中布置多个螺旋线支架来治疗在血管分支形成的动脉瘤。