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    • 3. 发明申请
    • FLUID DELIVERY APPARATUS AND METHODS
    • 流体输送装置和方法
    • WO2008072228A1
    • 2008-06-19
    • PCT/IL2007/001526
    • 2007-12-11
    • BYPASS, INC.GLOBERMAN, OrenBEYAR, MordechayKELLER, RamiSCHWIMMER, EranSHRAGA, Inbal
    • GLOBERMAN, OrenBEYAR, MordechayKELLER, RamiSCHWIMMER, EranSHRAGA, Inbal
    • A61M25/10A61B17/22
    • A61M25/1011A61M2025/1013A61M2025/105A61M2025/1072
    • A pressure sensitive valve (300) comprising: (a) an outer balloon (280) adapted for intravascular insertion comprising at least one hole (290) adapted for ejection of a fluid; (b) an inner structure (270) adapted to substantially fill the outer balloon (280); (c) at least one selectively blockable flow path between the outer balloon and the inner structure, at least some of the at least one flow path in fluid communication with at least one of the at least one hole (290),- (d) an inlet port to the at least one flow path; and (e) a pressure source (214) operable to provide a fluid at least at a selected injectionv pressure to the inlet port. A flow of the fluid along the at least one selectively blockable flow path to the at least one hole is prevented when the pressure source provides any pressure below the selected injection pressure and a flow of the fluid along the at least one selectively blockable low path to the at least one hole occurs when the pressure source provides pressure at or above the selected injection pressure.
    • 一种压敏阀(300),包括:(a)适于血管内插入的外球囊(280),其包括适于喷射流体的至少一个孔(290) (b)适于基本上填充外球囊(280)的内结构(270); (c)在所述外气囊和所述内结构之间的至少一个可选择阻塞的流动路径,所述至少一个流路中的至少一些与所述至少一个孔(290)中的至少一个流体连通, - (d) 至少一个流路的入口; 和(e)压力源(214),其可操作以将至少处于选定的注射压力的流体提供给所述入口。 当压力源提供低于所选择的注射压力的任何压力和沿着至少一个可选择阻塞的低路径流动的流动时,防止流体沿着至少一个可选择阻塞的流动路径流到至少一个孔的流动 当压力源提供等于或高于所选择的注射压力的压力时,发生至少一个孔。