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    • 2. 发明申请
    • DEVICES AND METHODS FOR ADVANCING A WIRE
    • 用于推进电线的设备和方法
    • WO2017124059A1
    • 2017-07-20
    • PCT/US2017/013610
    • 2017-01-15
    • TVA MEDICAL, INC.
    • COHN, William E.PATE, Thomas D.TETZLAFF, Philip M.
    • A61M25/00A61M25/06A61M25/088A61M25/09A61M25/095
    • A61M25/0194A61M25/09041A61M2025/018A61M2025/0197
    • Systems and methods for positioning a wire for advancement through a vessel wall, and advancing it through one or more vessel walls, generally include a delivery catheter and an alignment catheter or a receiving catheter, and a guidewire. In some variations, the systems and methods may be used to bypass an occlusion or other barrier that may prevent advancement of a wire or tools through an endoluminal space. In these variations, the systems and methods include a delivery catheter, a bypass catheter, a receiving catheter, and a guidewire. The delivery and receiving catheters each generally include a side aperture, a deflection surface, and an alignment element, and the bypass catheter generally includes two side apertures, two deflectors, and two alignment elements. In some variations, the systems and methods may assist in treatment of a patient suffering from critical limb ischemia.
    • 用于定位穿过血管壁推进的导丝并将其推进通过一个或多个血管壁的系统和方法通常包括输送导管和对准导管或接收导管以及导丝。 在一些变型中,系统和方法可以用于绕过阻塞或其他屏障,其可以防止一个或多个导线通过腔内空间的前进。 在这些变型中,系统和方法包括输送导管,旁路导管,接收导管和导丝。 递送和接收导管各自通常包括侧孔,偏转表面和对准元件,并且旁路导管通常包括两个侧孔,两个偏转器和两个对准元件。 在一些变型中,系统和方法可以帮助治疗患有严重肢体缺血的患者。