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    • 9. 发明授权
    • Monitoring of the pressure of a product fluid to be administered in dosed amounts during infusion or injection
    • 在输注或注射期间监测以剂量给药的产品流体的压力
    • US06368314B1
    • 2002-04-09
    • US09391330
    • 1999-09-07
    • Urs KipferErich Imhof
    • Urs KipferErich Imhof
    • A61M3100
    • A61M5/16854A61M5/14546A61M5/14566A61M2005/1402A61M2005/16863A61M2205/332
    • The invention relates to a process for the monitoring of the pressure of a product fluid to be administered in dosed amounts during an infusion or injection, which is dispensable from a container that is received in or formed by a housing, by advancement of a piston received in the container. The reaction force exerted by the piston onto the housing, which serves as a measure for the fluid pressure, is hereby measured and fed to a control for a drive of the piston. The control compares the measured reaction force with a predetermined reference force and controls the drive of the motor under consideration of the result of the comparison. The reference force is a nominal value for the reaction force and a direct nominal/actual comparison is carried out between the measured reaction force and its nominal value. The invention further relates to an apparatus which is especially suited for carrying out the process.
    • 本发明涉及一种用于监测在输注或注射期间以剂量施用的产品流体的压力的方法,其通过接收的活塞的前进而从容纳在壳体中或由壳体形成的容器中分配 在容器中 因此,由活塞施加到壳体上的作为流体压力的量度的反作用力被测量并被馈送到用于活塞驱动的控制器。 该控制将测量的反作用力与预定的参考力进行比较,并且在比较结果的基础上控制电动机的驱动。 参考力是反作用力的标称值,并且在测量的反作用力和其标称值之间进行直接的标称/实际比较。 本发明还涉及一种特别适用于执行该过程的装置。