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    • 1. 发明申请
    • SYSTEMS AND METHODS FOR DILATION AND DISSECTION OF TISSUES
    • 用于组织的扩张和分离的系统和方法
    • WO2010080497A3
    • 2010-09-30
    • PCT/US2009068474
    • 2009-12-17
    • IMDS INCAKYUZ EPHRAIMGAMBHIR KABIRSTONE CORBETT
    • AKYUZ EPHRAIMGAMBHIR KABIRSTONE CORBETT
    • A61B17/34A61B17/56A61F2/958A61M29/02
    • A61M25/09A61B17/0218A61B17/3439A61B2017/00261A61B2017/320044A61M25/10A61M29/02
    • A minimally invasive dilation device includes a stylus, a plurality of rigid arms radially arrayed about the stylus, and a dilating member positioned between the stylus and the arms. An outer flexible sleeve may be circumferentially secured to the arms, lying within or without the plurality of arms. An inner mesh may surround the stylus and dilating member. The device may be introduced into tissue toward a targeted area, while in a closed configuration. The dilating member may be a balloon, wherein upon inflation of the balloon, the arms are pushed radially outward, expanding the device and dilating the surrounding tissue. A cannula may be inserted inside the plurality of arms to keep the arms in an open configuration, and the stylus, balloon and inner mesh may be withdrawn, providing an open passageway through the device to the targeted area. The device may be used with a neural monitoring system.
    • 微创扩张装置包括触针,围绕触针径向排列的多个刚性臂以及定位在触针与臂之间的扩张构件。 外部柔性套筒可以周向地固定到臂上,位于或不在多个臂内。 内网可以围绕触针和扩张构件。 该装置可以在闭合构型中被引入组织朝向目标区域。 扩张构件可以是气囊,其中在气囊膨胀时,臂被径向向外推动,扩张装置并扩张周围组织。 套管可以插入多个臂内以保持臂处于打开构型,并且触针,气囊和内网可以被撤回,从而提供穿过该装置到目标区域的开放通道。 该设备可以与神经监测系统一起使用。