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    • 4. 发明申请
    • Embolic protection aspirator
    • 栓塞保护吸气器
    • US20050033347A1
    • 2005-02-10
    • US10630308
    • 2003-07-30
    • Robert RaukerWilliam ShawJames Hansen
    • Robert RaukerWilliam ShawJames Hansen
    • A61F2/01A61F2/958A61M29/00
    • A61F2/013A61F2002/015A61F2002/018A61F2230/0006A61F2230/0067A61F2230/0069A61F2230/008
    • Embolic protection aspirators and methods for extracting debris from the vasculature during interventional procedures are provided. One such system may include an aspirating filter delivery catheter having a filtration device, an operable end cap, and a plurality of aspiration ports. The delivery catheter may be fluidly coupled to a suction providing means for extracting debris while traversing a target site for distal delivery of the filtration device. Another such system may include an aspirating filter retrieval catheter having an aspiration lumen and a balloon. The aspiration lumen may be fluidly coupled to a suction providing means for extracting debris from the filtration device prior to and/or during retrieval of the filtration device. By inflating the balloon to partially or fully restrict blood flow, suction pressure proximal of the filtration device may be increased to enhance debris extraction.
    • 提供了栓塞保护抽吸器和在介入手术期间从脉管系统中提取碎屑的方法。 一个这样的系统可以包括具有过滤装置,可操作的端盖和多个抽吸端口的抽吸过滤器输送导管。 输送导管可以流体地联接到抽吸提供装置,用于在穿过过滤装置的远端输送的目标部位时提取碎屑。 另一个这样的系统可以包括具有抽吸腔和气囊的抽吸式过滤器回收导管。 抽吸腔可以流体地联接到抽吸提供装置,用于在过滤装置回收之前和/或期间从过滤装置中提取碎屑。 通过使气囊膨胀以部分或完全限制血液流动,可以增加过滤装置附近的吸入压力以增强碎片提取。