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    • 3. 发明公开
    • METHOD AND APPARATUS FOR MEASURING THE FLOW RATE OF A LIQUID
    • VERFAHREN UND VORRICHTUNG ZUR MESSUNG DERSTRÖMUNGSRATEEINERFLÜSSIGKEIT
    • EP2724124A4
    • 2014-12-10
    • EP12802162
    • 2012-06-21
    • RENALSENSE LTD
    • MANTINBAND JACK YEHOSHUAADLER MICHAEL
    • G01F1/68A61B5/20G01F1/684G01F1/69G01F1/696G01F1/698
    • G01F1/68A61B5/208G01F1/6847G01F1/69G01F1/6965G01F1/6986
    • The invention is an apparatus and method for measuring the flow rate of a liquid through a conduit. The apparatus is based on a flow rate meter which is adapted to accurately measure the volumetric flow rate of a liquid using a simple, cost and energy effective, and accurate method using only one temperature sensor. The method is based on applying a pulse of thermal energy to the flowing liquid and measuring the temperature increase as a function of time and energy input. By comparing these measurements to a calibration table made by performing similar measurements for known flow rates, the rate of flow can be determined. One application, which will be described to illustrate the features of the method and apparatus of the invention, is measurement of the flow rate of urine excreted by a catheterized patient.
    • 本发明是用于测量通过导管的液体流速的装置和方法。 该装置基于流量计,其适于使用仅使用一个温度传感器的简单,成本和能量有效且精确的方法来精确地测量液体的体积流量。 该方法基于对流动的液体施加热能脉冲并且根据时间和能量输入测量温度升高。 通过将这些测量值与通过对已知流速进行相似测量而制定的校准表进行比较,可以确定流量。 将描述用于说明本发明的方法和装置的特征的一个应用是测量由导管的患者排泄的尿液的流量。