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    • 5. 发明授权
    • Respirator with a breathing circuit
    • 呼吸器与呼吸回路
    • US06422237B1
    • 2002-07-23
    • US09472566
    • 1999-12-27
    • Dieter EngelJürgen ManigelClaus BunkeMatthias Witt
    • Dieter EngelJürgen ManigelClaus BunkeMatthias Witt
    • A61M1600
    • A61H31/00A61H2201/018A61H2201/107A61H2201/5007A61H2201/5089A61H2230/40A61M16/01A61M16/22A61M2016/0027A61M2016/0036A61M2016/0039A61M2016/0042
    • An improved respirator with a breathing circuit (100) and a corresponding process for operating the respirator are provided. Defined breathing gas volumes can be delivered to the patient and the current operating state can be reliably monitored despite a strong breathing gas volume flow being delivered in the breathing circuit (100). A gas delivery element (1) designed as a rotary compressor is connected on the inlet side to a reversible breathing gas reservoir (7) and on the outlet side to a patient connection piece (9) for inspiration via a first gas volume flow sensor (2) with a first nonreturn valve (11). A second gas volume flow sensor (5) is located in the connection line between the patient connection piece (9) and the patient being inspirated. The patient connection piece (9) is connected for expiration to a second nonreturn valve (10) via a third gas volume flow sensor (3) and to the reversible breathing gas reservoir (7) via a controllable shut-off valve (4). At least one measuring and control device (14, 15) is connected to the gas volume flow sensors (2, 5, 3), it receives their measured signals and sends control signals to the gas delivery element (1) and to the controllable shut-off valve (4).
    • 提供了具有呼吸回路(100)的改进的呼吸器和用于操作呼吸器的相应过程。 定义的呼吸气体体积可以传送到患者,并且即使在呼吸回路(100)中输送强烈的呼吸气体体积流量,也可以可靠地监测当前的运行状态。 设计为旋转压缩机的气体输送元件(1)在入口侧连接到可逆呼吸气体储存器(7),并且在出口侧连接到患者连接件(9),用于经由第一气体体积流量传感器 2)具有第一止回阀(11)。 第二气体体积流量传感器(5)位于患者连接件(9)和被吸引的患者之间的连接线中。 患者连接件(9)通过第三气体容量流量传感器(3)连接到第二止回阀(10)并通过可控截止阀(4)连接到可逆呼吸气体储存器(7)。 至少一个测量和控制装置(14,15)连接到气体体积流量传感器(2,5,3),它接收其测量的信号并将控制信号发送到气体输送元件(1)和可控制的关闭 阀(4)。