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    • 3. 发明申请
    • LIQUID DELIVERY DEVICE COMPRISING A PUMP AND A VALVE
    • 包括泵和阀的液体输送装置
    • WO2008029051A2
    • 2008-03-13
    • PCT/FR2007051863
    • 2007-09-03
    • DEBIOTECH SASCHNEEBERGER NIKLAUSVALLET VERONIQUECHAPPEL ERIC
    • SCHNEEBERGER NIKLAUSVALLET VERONIQUECHAPPEL ERIC
    • A61M5/142A61M5/168
    • A61M5/14244A61M5/16881A61M2005/14264A61M2205/0244
    • The invention relates to a liquid delivery device comprising a pump (1) and an anti-siphon valve (4) external to the pump (1), having an inlet pipe (3) connected to the outlet line (2) of the pump (1) and an outlet pipe (7), between which pipes are a seat (lia) and a moving part (11), which two are able to interact and define, between the inlet pipe (3) and the outlet pipe (7), a leaktight liquid flow region, said moving part (11) being able to move from an open position allowing liquid to flow in said flow region, to a closed position in which the moving part (11) contacts the seat (lia) of the valve (4) and prevents flow through said flow region, said moving part (11) being subject to the pressure of a reference chamber (5) which is not in fluid communication with the outlet pipe. Applicable to the making of a pump for injecting a medicinal liquid.
    • 本发明涉及一种液体输送装置,其包括泵(1)和在泵(1)外部的防虹吸阀(4),具有连接到泵的出口管线(2)的入口管(3) (3)和出口管(7)之间的两个能够相互作用并限定的移动部件(11)和位于两个管道之间的出口管(7) ,所述移动部件(11)能够从允许液体在所述流动区域中流动的打开位置移动到关闭位置,在所述关闭位置,所述移动部件(11)接触所述移动部件(11)的所述座位 (4)并且防止流过所述流动区域,所述运动部件(11)受到不与所述出口管道流体连通的参考腔室(5)的压力。 适用于注射药液泵的制作。