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9 条记录 (耗时 0.03 秒)

    Method and apparatus for kidney dialysis
    8.
    发明授权
    Method and apparatus for kidney dialysis 失效
    肾透析的方法和装置

    公开(公告)号：US5247434A

    公开(公告)日：1993-09-21

    申请号：US688174

    申请日：1991-04-19

    申请人： Bruce A. Peterson ,  Michael E. Hogard ,  Harley D. Johnson ,  Thomas D. Kelly ,  Jean M. Long ,  William G. Preston, Jr.

    发明人： Bruce A. Peterson ,  Michael E. Hogard ,  Harley D. Johnson ,  Thomas D. Kelly ,  Jean M. Long ,  William G. Preston, Jr.

    IPC分类号： A61M1/16 ,  A61M1/36 ,  A61M39/10 ,  G06F3/033 ,  G06F3/048

    CPC分类号： G06F3/0488 ,  A61M1/16 ,  A61M1/1607 ,  A61M1/1613 ,  A61M1/1639 ,  A61M1/165 ,  A61M1/1656 ,  A61M1/1662 ,  A61M1/169 ,  G06F3/0482 ,  A61M1/168 ,  A61M1/1692 ,  A61M1/1694 ,  A61M1/3626 ,  A61M2039/1005 ,  A61M2205/505 ,  A61M2205/52 ,  A61M2205/705

    摘要： A number of improvements relating to methods and apparatuses for kidney dialysis are disclosed. These include checking of dialysate bypass status using flow measurement; using a flow sensor to confirm the absence of ultrafiltration during bypass; automatic testing of ultrafiltration function by removal of a discrete volume from a portion of the dialysate flow path coupled with a pressure test of that part of the flow path; using a touch screen user interface; bar graph profile programming of ultrafiltration, sodium, and bicarbonate parameters; using a RAM card to upload treatment instructions to, and to download treatment data from, the machine; automatic setting of proportioning mode (acetate or bicarbonate) based on connections of concentrate lines; predicting dialysate conductivity values based on brand and formulation of concentrates; minimizing no-flow dead time between dialysate pulses; initiating operation in a timed mode from a machine power-off condition; preserving machine mode during machine power-fail condition; calibration scheduling and reminding; automatic level adjusting; and blood leak flow rate detecting.

    摘要翻译： 公开了关于肾透析的方法和装置的许多改进。 这些包括使用流量测量检查透析液旁路状态; 使用流量传感器确认旁路过程中不存在超滤; 通过从与该流路的该部分的压力测试相结合的透析液流动路径的一部分去除离散体积来自动测试超滤功能; 使用触摸屏用户界面; 超滤，钠和碳酸氢盐参数的条形图配置文件; 使用RAM卡上传治疗指示，并从机器下载治疗数据; 基于浓缩液线的连接自动设定比例模式（乙酸盐或碳酸氢盐）; 根据浓缩品牌和配方预测透析液电导率值; 减少透析脉冲之间的无流失死时间; 从机器关机状态开始定时模式运行; 机器停电时保存机器模式; 校准调度和提醒; 自动电平调节; 和血液泄漏流量检测。

    Valve monitor and method
    9.
    发明授权
    Valve monitor and method 失效
    阀门监控和方法

    公开(公告)号：US4821769A

    公开(公告)日：1989-04-18

    申请号：US929981

    申请日：1986-11-12

    申请人： Gary N. Mills ,  Bruce A. Peterson ,  William G. Preston, Jr.

    发明人： Gary N. Mills ,  Bruce A. Peterson ,  William G. Preston, Jr.

    IPC分类号： F16K37/00

    CPC分类号： F16K37/0041 ,  Y10T137/8242

    摘要： A method and apparatus for monitoring operation of a valve is disclosed in which a signal, such as an alternating current electrical signal, is propagated through a fluid path defined by the valve. The occlusion of the fluid path is indicated by monitoring the propagation of the signal. The system is highly immune to electrical noise and to variations in fluid conductivity. The system is also well adapted for monitoring operation of valves having a plurality of ports. In installations employing a plurality of valves, as plurality of valve monitors can be used without mutual interference.

    摘要翻译： 公开了一种用于监视阀的操作的方法和装置，其中诸如交流电信号的信号通过由阀限定的流体路径传播。 通过监测信号的传播来指示流体路径的闭塞。 该系统高度免疫电噪声和流体电导率的变化。 该系统还适用于监视具有多个端口的阀的操作。 在使用多个阀的设备中，由于可以在没有相互干扰的情况下使用多个阀监视器。