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    • 5. 发明授权
    • Apparatus for extracorporeal lung assist
    • 体外肺辅助装置
    • US4650457A
    • 1987-03-17
    • US766751
    • 1985-08-16
    • Tohru MoriokaHidenori TerasakiHiroyuki AkasuAkiyoshi NakanoKohichi Takase
    • Tohru MoriokaHidenori TerasakiHiroyuki AkasuAkiyoshi NakanoKohichi Takase
    • A61M1/10A61M1/03
    • A61M1/1086A61M1/1037Y10S128/03
    • An apparatus for extracorporeal lung assist including a pump device having a flexible blood reservoir housed in a rigid housing, which pump device is able to expand and contract the blood reservoir by pumping liquid into and from the housing, thereby repeating cycles of blood feed and blood take-off, a blood take-off circuit connected to the in-flow side of a membrane artificial lung and in which the pump device is disposed, a blood feed circuit connected to the out-flow side of the membrane artificial lung, the two circuits forming an extracorporeal circulation circuit, a liquid circulation circuit connected to the housing of the pump device and having a flexible liquid reservoir disposed therein with a head provided relative to the pump device, and sensors for detecting the expansion and contraction of the liquid reservoirs, whereby blood in-flow and out-flow paths are controlled so that when the blood reservoir is contracted, blood is drawn into the blood reservoir under subpressure in the housing, whereas when the blood reservoir is expanded, blood is discharged from the blood reservoir under pressure developed in the housing. The apparatus of the invention provides respiratory aids safely for a long period of time and is therefore useful for treatment of acute respiratory failure cases.
    • 一种用于体外肺辅助的装置,包括具有容纳在刚性壳体中的柔性血液储存器的泵装置,所述泵装置能够通过将液体泵入和从壳体中泵送液体来扩张和收缩血液储存器,从而重复血液供给和血液循环 起飞,连接到膜人造肺的流入侧的血液输出回路,其中设置有泵装置;血液供给回路,连接到膜人造肺的流出侧,两个 形成体外循环回路的电路,连接到泵装置的壳体并具有设置在其中的柔性储液器的液体循环回路,其具有相对于泵装置设置的头部,以及用于检测液体储存器的膨胀和收缩的传感器, 由此控制血液流入和流出路径,使得当血液储存器收缩时,血液在负压下被吸入血液储存器 而在血液储存器膨胀的时候,血液在血液储存器中在壳体内产生的压力下排出。 本发明的装置长时间安全地提供呼吸辅助剂,因此可用于治疗急性呼吸衰竭病例。