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    • 4. 发明申请
    • APPARATUS FOR FILTERING EMBOLI DURING PERCUTANEOUS AORTIC VALVE REPLACEMENT AND REPAIR PROCEDURES WITH FILTRATION SYSTEM COUPLED TO DISTAL END OF SHEATH
    • 用于在超声波阀门更换过程中的装置和与过滤系统相连的修复程序
    • WO2013142204A3
    • 2014-03-13
    • PCT/US2013030943
    • 2013-03-13
    • NEXEON MEDSYSTEMS INCBATES MARK C
    • BATES MARK C
    • A61F2/01A61F2/24
    • A61F2/013A61F2/2427A61F2002/011
    • The present invention provides several embodiments of an apparatus for embolic filtering during percutaneous valve replacement and repair procedures. Under one aspect, an apparatus (100) comprises a sheath (110)and a filter (120). The sheath has proximal (111) and distal (112) ends and a lumen (113) therebetween. The distal end may be introduced into the aortic arch via the peripheral arteries and ascending aorta, while the proximal end may be disposed outside of the body. The lumen permits percutaneous aortic valve replacement or repair therethrough. The filter has a frame (121) with an inlet and an outlet and an emboli-filtering mesh (122) attached to the frame. The inlet substantially spans the aortic arch in a region between the aortic valve and the great arteries. The outlet is coupled to the distal end of the sheath without leaving any gaps through which emboli could pass and without obstructing the lumen at the distal end of the sheath.
    • 本发明提供了在经皮瓣膜置换和修复过程期间用于栓塞过滤的装置的几个实施例。 在一个方面,装置(100)包括护套(110)和过滤器(120)。 护套具有近端(111)和远端(112)端部以及其间的内腔(113)。 远端可以通过外周动脉和升主动脉引入主动脉弓,而近端可以设置在身体的外部。 管腔允许经皮主动脉瓣置换或修复。 过滤器具有带入口和出口的框架(121)和附接到框架的栓塞过滤网(122)。 入口基本跨越主动脉瓣和主动脉瓣之间的区域。 出口连接到护套的远端,而不留下任何间隙,栓塞通过该间隙,而不会阻塞鞘的远端处的内腔。