Extracorporeal blood processing methods and apparatus
    1.
    发明授权
    Extracorporeal blood processing methods and apparatus 失效
    体外血液处理方法和装置

    公开(公告)号:US5676644A

    公开(公告)日:1997-10-14

    申请号:US476542

    申请日:1995-06-07

    摘要: An extracorporeal blood processing system is disclosed which includes a variety of novel components and which may be operated in accordance with a variety of novel methodologies. For instance, the system includes a graphical operator interface which directs the operator through various aspects of the apheresis procedure. Moreover, the system also includes a variety of features relating to loading a blood processing vessel into a blood processing channel and removing the same after completion of the procedure. Furthermore, the system also includes a variety of features relating to utilizing a blood priming of at least portions of the apheresis system in preparation for the procedure. In addition, the system includes a variety of features enhancing the performance of the apheresis system, including the interrelationship between the blood processing vessel and the blood processing vessel and the utilization of high packing factors for the procedure.

    摘要翻译: 公开了一种体外血液处理系统,其包括各种新颖的组分,并且可以根据各种新颖的方法进行操作。 例如,该系统包括图形操作员界面,其指导操作者通过单采程序的各个方面。 此外,该系统还包括与将血液处理容器装载到血液处理通道中并且在完成手术之后移除血液处理通道相关的各种特征。 此外,该系统还包括与准备该过程一起使用至少部分单采血液系统的血液灌注相关的各种特征。 此外,该系统包括增强单采血液系统性能的各种特征,包括血液处理容器和血液处理容器之间的相互关系以及该程序的高填充因子的利用。

    Dialysate preparation apparatus with improved control
    5.
    发明授权
    Dialysate preparation apparatus with improved control 失效
    具有改善控制的透析液制备装置

    公开(公告)号:US4814073A

    公开(公告)日:1989-03-21

    申请号:US087146

    申请日:1987-08-19

    IPC分类号: A61M1/16 B01D13/00

    CPC分类号: A61M1/1656

    摘要: Dialysate preparation apparatus for mixing dialysate concentrate with water, the apparatus including a main flow line having one end for connection to a source of water and another end for providing dialysate to a dialyzer, a concentrate flow line having one end for connection to a source of dialysate concentrate and another end connected to a junction on the main flow line for adding concentrate to water in the main flow line, a volumetric pump having a fixed discharge volume per stroke on the concentrate line, a concentrate sensor on the main flow line downstream of the junction providing control signals to the pump to pump concentrate to achieve the desired concentration, and a controller including a comparator to compare the stroke rate with a limit indicating desired operating stroke rate range.

    摘要翻译: 用于将透析液浓缩物与水混合的透析液制备装置,该装置包括具有用于连接到水源的一端的主流线和用于向透析器提供透析液的另一端,浓缩物流线,其一端用于连接到源 透析液浓缩物,另一端连接到主流路上的连接处,用于向主流路中的水添加浓缩物,在浓缩液管线上具有每冲程固定的排出量的容积泵,主流线上的浓缩物传感器 该连接点向泵提供控制信号以泵送浓缩物以实现期望的浓度,以及控制器,其包括比较器,用于将行程速率与指示期望的操作行程速率范围的极限进行比较。

    Control of cleaning of dialysate preparation apparatus
    6.
    发明授权
    Control of cleaning of dialysate preparation apparatus 失效
    透析液制备装置的清洗控制

    公开(公告)号:US4857181A

    公开(公告)日:1989-08-15

    申请号:US925822

    申请日:1986-10-30

    CPC分类号: A61M1/169

    摘要: Dialysate preparation apparatus having a main flow line having one end for connection to a source of water and another end for providing dialysate to a dialyzer, a concentrate flow line having one end connected to a junction on the main flow line and another end with a connector for alternatively connecting the concentrate line to a source of dialysate concentrate or a source of cleaning fluid, a source of dialysate connectable to the connector, a source of cleaning fluid having a cleaning fluid flow line with an end that is connectable to the connector, a flow sensing switch on the cleaning fluid flow line, and a controller connected to receive a signal from the switch to verify that the apparatus is in a cleaning mode when the switch indicates fluid flowing in the flow line. Also disclosed is a controller providing an initial backflush prior to pumping cleaning fluid into the apparatus in order to provide a water interface between the dialysate and the incoming cleaning fluid.

    摘要翻译: 透析液制备装置具有主流线,其一端连接到水源,另一端用于向透析器提供透析液;浓缩物流线,其一端连接到主流线上的结,另一端具有连接器 或者将浓缩物线连接到透析液浓缩物源或清洁流体源,可连接到连接器的透析液源,清洁流体源具有可连接到连接器的端部的清洁流体流动管线, 清洁流体管线上的流量检测开关,以及当开关指示流体在流动管线中流动时,控制器连接以接收来自开关的信号,以验证该装置处于清洁模式。 还公开了一种控制器,其在将清洁流体泵入设备之前提供初始反吹,以便在透析液和进入的清洁流体之间提供水界面。

    Heater control for liquid flowing through a chamber
    7.
    发明授权
    Heater control for liquid flowing through a chamber 失效
    液体流经室的加热器控制

    公开(公告)号:US4769151A

    公开(公告)日:1988-09-06

    申请号:US925886

    申请日:1986-10-30

    摘要: Fluid flow apparatus comprising a housing defining a chamber and having an inlet and outlet for liquid flowing into and out of the chamber, an electrically-powered heater located in the chamber, a temperature sensor mounted to sense temperature of liquid prior to entering the chamber and providing inlet temperature signals indicating inlet temperature, and a controller electrically connected to receive the inlet temperature signals from the temperature sensor and to control a duty cycle of the heater in response to the inlet temperature signals.

    摘要翻译: 流体流动装置包括限定腔室并且具有用于流入和流出腔室的液体的入口和出口的壳体,位于腔室中的电动加热器,安装成在进入腔室之前感测液体温度的温度传感器,以及 提供指示入口温度的入口温度信号,以及电连接以接收来自温度传感器的入口温度信号并且响应于入口温度信号来控制加热器的占空比的控制器。

    Liquid level control
    9.
    发明授权
    Liquid level control 失效
    液位控制

    公开(公告)号:US4715398A

    公开(公告)日:1987-12-29

    申请号:US925818

    申请日:1986-10-30

    摘要: Fluid flow apparatus comprising a housing defining a chamber, a chamber inlet and a chamber outlet for the flow of liquid therethrough, a level sensor providing a control signal having a magnitude related to the level of liquid in the chamber, and a valve hydraulically connected to control flow into the inlet or out of the outlet, and controller operably connected to alternately open and close the valve in a duty cycle responsive to the magnitude of the signal.

    摘要翻译: 流体流动装置包括限定腔室的壳体,用于流过其中的液体流动的腔室入口和室出口,提供具有与腔室中的液体水平相关的量值的控制信号的液位传感器,以及液压连接到 控制流入入口或出口的流量,以及控制器,其可操作地连接以响应于信号幅度的占空比交替地打开和关闭阀。