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    • 3. 发明公开
    • APPARATUS FOR DETECTING OCCLUSIONS IN AN AMBULATORY INFUSION PUMP
    • EP3705149A1
    • 2020-09-09
    • EP20163567.9
    • 2007-11-08
    • Medtronic MiniMed, Inc.
    • MOBERG, Sheldon B.HANSON, Ian B.TALBOT, Cary D.
    • A61M5/168A61M5/142A61M5/145
    • An infusion pump for infusing fluid from a reservoir into a body of a user comprises a housing; a drive mechanism including a motor and one or more drive components contained within the housing and operatively coupled to the reservoir to deliver fluid from the reservoir through a fluid path into the body of the user. The pump further has one or more electronic components to take a series of measurements of a parameter associated with the motor or one of the drive train components; and there is provided a controller within the housing. The controller is configured such that after each measurement in the series of measurements is taken, the controller performs a comparison between the measurement taken and a predetermined threshold value before the next measurement in the series of measurements is taken. If the comparison indicates that the measurement taken is less than the predetermined threshold value, the controller determines that there is no occlusion. If, however, the comparison indicates that the measurement taken is greater than the predetermined threshold value, then an additional measurement of said parameter is taken. This is done up to a predetermined total number of measurements, and wherein, if the additional measurement is still greater than the predetermined threshold value and the predetermined total number of measurements has been reached, the controller: (a) calculates a weighted average of the total number of measurements, (b) compares the weighted average to a comparison value, and (c) determines whether an occlusion has occurred in the fluid path of the infusion pump by determining whether the weighted average is greater than the comparison value.
    • 8. 发明公开
    • METHOD AND APPARATUS FOR DETECTING OCCLUSIONS IN AN AMBULATORY INFUSION PUMP
    • 用于检测异常滴注泵中的闭塞的方法和设备
    • EP3213785A1
    • 2017-09-06
    • EP17163576.6
    • 2007-11-08
    • Medtronic MiniMed, Inc.
    • MOBERG, Sheldon B.HANSON, Ian B.TALBOT, Cary D.
    • A61M5/168A61M5/142A61M5/145A61M5/50A61M5/172
    • An infusion pump for infusing fluid from a reservoir into a body of a user comprises, a housing; a drive mechanism including a motor and one or more drive components contained within the housing and operatively coupled to the reservoir to deliver fluid from the reservoir through a fluid path into the body of the user. The pump also includes one or more electronic components to take a series of measurements of a parameter associated with the motor or one of the drive train components; and a controller. The controller is contained within the housing, and is adapted to calculate a weighted average of the series of measurements by applying a weighting factor to each measurement in the series of measurements to determine a weighted value corresponding to each said measurement and calculating the average of the weighted values, determines the drive count of the motor, determines a drive count value based on the drive count of the motor, calculates a maximum threshold value based on the drive count value, compares the weighted average to the maximum threshold value, and determines whether an occlusion has occurred in the fluid path of the infusion pump by determining whether the weighted average is greater than the maximum threshold value.
    • 一种用于将流体从储液器输注到使用者身体内的输液泵包括:壳体; 驱动机构,所述驱动机构包括马达和一个或多个驱动部件,所述驱动部件包含在所述壳体内并且可操作地联接至所述储存器,以将流体从所述储存器通过流体路径输送至所述使用者的身体内。 泵还包括一个或多个电子部件,以对与电动机或传动系部件之一相关联的参数进行一系列测量; 和一个控制器。 控制器被包含在外壳内,并且适于通过将权重因子应用于一系列测量结果中的每个测量结果来确定对应于每个所述测量结果的权重值并且计算该系列测量结果的平均值 加权值,确定电机的驱动计数,基于电机的驱动计数确定驱动计数值,基于驱动计数值计算最大阈值,将加权平均与最大阈值进行比较,并确定是否 通过确定加权平均值是否大于最大阈值,在输液泵的流体路径中发生了堵塞。