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    • 10. 发明授权
    • Sigmoid valve and method for its percutaneous implantation
    • 乙状血管及其经皮植入法
    • US07806920B2
    • 2010-10-05
    • US11524836
    • 2006-09-21
    • Carlos Duran
    • Carlos Duran
    • A61F2/06
    • A61F2/2475A61F2/2412A61F2/2415A61F2/2418A61F2/2433A61F2/2436A61F2220/0075
    • A multi-leaflet valve adapted to serve as a prosthesis for diseased native valve of a mammal is incorporated in self-expandable or inflatable endovascular stents or stents to form a combination which is introduced on a catheter with a guide wire into the circulatory system of the mammal to replace the diseased native valve. Once the combination is at the desired location the stent is caused to expand and affix itself to the patient's vessel wall. The prosthetic valve has the shape of a truncated cone that has an inflow and an outflow orifice with leaflets forming the outflow orifice and forming a plurality of commissures. A first flexible circular support is affixed in a substantially circular fashion around the truncated cone in proximity of the inflow orifice, and a second flexible circular support is affixed at the location of the commissures to form a circle around the truncated cone in proximity of the outflow orifice. The circular supports maintain the shape of the valve during the surgical implantation procedure and thereafter.
    • 适合用作哺乳动物患病自然瓣膜的假体的多瓣叶瓣被并入自膨胀或可充气的血管内支架或支架中,以形成一种组合,该组合被引导到具有导丝的导管上进入循环系统 哺乳动物代替患病的天然瓣膜。 一旦组合在期望的位置,支架被扩张并将其固定在患者的血管壁上。 假体瓣膜具有截锥形的形状,其具有形成流出孔并形成多个连合的流入口和流出孔。 第一柔性圆形支撑件以围绕流入孔的截头圆锥体的大致圆形方式固定,并且第二柔性圆形支撑件固定在连合处的位置处以在流出物附近形成围绕截锥体的圆 孔。 圆形支撑件在手术植入程序期间及之后保持阀的形状。