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    • 10. 发明申请
    • System for detecting the status of a vent associated with a fluid supply upstream of an infusion pump
    • 用于检测与输液泵上游的流体供应相关联的通气口的状态的系统
    • US20050145008A1
    • 2005-07-07
    • US10749367
    • 2003-12-31
    • Timothy VanderveenRobert Butterfield
    • Timothy VanderveenRobert Butterfield
    • A61M5/142A61M5/168G01L27/00
    • A61M5/14228A61M5/16854A61M2205/18A61M2205/3351
    • A system and method for determining whether the pressure in a fluid line upstream of an infusion pump is becoming lower as pumping draws fluid from the fluid line and fluid container due to a lack of proper venting. An initial pressure is sensed by an upstream pressure sensor at the start of an infusion. After a period of time, which may be determined either by monitoring infusion time or the number of pump cycles completed, a second pressure is sampled and compared to the initial pressure. Various analytical methods may be applied to the sensed pressures to determine upstream pressures or trends. Where an upstream pressure reading indicates a lack of proper venting, an alert signal is provided. Continuous monitoring may occur in which succeeding samples are compared to preceding samples to determine upstream pressures or trends.
    • 一种用于确定输液泵上游的流体管路中的压力是否变低的系统和方法,因为由于缺乏适当的排气而从流体管路和流体容器抽取流体。 在输液开始时由上游压力传感器检测初始压力。 在一段时间之后,可以通过监测输注时间或完成的泵循环次数来确定第二压力并将其与初始压力进行比较。 各种分析方法可以应用于感测的压力以确定上游压力或趋势。 在上游压力读数表示缺乏适当的排气的情况下,提供报警信号。 可能会发生连续监测,其中后续样品与先前样品进行比较以确定上游压力或趋势。