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    • 10. 发明公开
    • 액상 매체의 연동 펌핑용 마이크로펌프
    • 用于液体中间体的超声波泵送的MICROPUMP
    • KR1020080083252A
    • 2008-09-17
    • KR1020080084635
    • 2008-08-28
    • 에프. 호프만-라 로슈 아게
    • 하르한스-페터
    • F04B43/04
    • A61M5/14232A61M5/14228A61M5/14244A61M5/16886A61M5/365A61M2205/0294A61M2205/18A61M2205/3306A61M2205/3313A61M2205/3317A61M2205/3331A61M2205/3375F04B43/082
    • A micropump for interlocking pumping of a liquid medium is provided to improve reliability of monitoring by installing the micropump at an outer part of a wall member of a circulating channel to be close to an injection needle unit. A micropump for interlocking pumping of a liquid medium comprises a wall member(4), at least one circulating channel(5), actuators, sensor units. A part of sectional area of the circulating channel can be deformed if a force is exerted to the wall member. The actuators exert the force to the wall member from one part of the circulating channel to reduce the sectional area of the circulating channel. The sensor units are installed at an outer part of the circulating channel to measure an amount of the liquid medium of the circulating channel. The sensor units sense a liquid medium measuring signal at the one part of the circulating channel using other parameters. The sensor units have a capacitor having a capacitor plate, located at two sides of the circulating channel, and the measuring unit. The measuring unit measures electrical capacitance of the capacitor.
    • 提供了用于液体介质的联锁泵送的微型泵,以通过将微型泵安装在靠近注射针单元的循环通道的壁构件的外部部分来提高监控的可靠性。 用于联动泵送液体介质的微型泵包括壁构件(4),至少一个循环通道(5),致动器,传感器单元。 如果向壁构件施加力,则循环通道的截面积的一部分可以变形。 执行器从循环通道的一部分向壁构件施加力以减小循环通道的截面面积。 传感器单元安装在循环通道的外部,以测量循环通道的液体介质的量。 传感器单元使用其他参数在循环通道的一部分感测液体介质测量信号。 传感器单元具有位于循环通道两侧的电容器板和测量单元的电容器。 测量单元测量电容器的电容。