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    ANALYTE DETECTION SYSTEM WITH PERIODIC SAMPLE DRAW AND BODY FLUID ANALYZER
    99.
    发明申请
    ANALYTE DETECTION SYSTEM WITH PERIODIC SAMPLE DRAW AND BODY FLUID ANALYZER 审中-公开
    具有周期性抽样和体液分析仪的分析检测系统

    公开(公告)号：US20090192367A1

    公开(公告)日：2009-07-30

    申请号：US12343421

    申请日：2008-12-23

    Applicant: James R. Braig ,  Peter Rule

    Inventor： James R. Braig ,  Peter Rule

    IPC: A61B5/15

    CPC classification number: A61B5/1486 ,  A61B5/145 ,  A61B5/14532 ,  A61B5/14539 ,  A61B5/14546 ,  A61B5/14557 ,  A61B5/1495 ,  A61B5/15003 ,  A61B5/150213 ,  A61B5/150221 ,  A61B5/150229 ,  A61B5/150358 ,  A61B5/150755 ,  A61B5/150862 ,  A61B5/150992 ,  A61B5/153 ,  A61B5/155 ,  A61B5/157 ,  A61B5/4839 ,  A61B2562/0295 ,  A61M5/14232 ,  A61M2005/1726 ,  A61M2230/201 ,  G01N27/3271 ,  G01N33/49

    Abstract: An embodiment of a system for analyzing a body fluid of a patient comprises a fluid transport network having a patient end configured to provide fluid communication with the body fluid in the patient and a fluid delivery point spaced from the patient end. A pump system is coupled to the fluid transport network. The pump system has an infusion mode in which the pump system is operable to pump an infusion fluid toward the patient end of the fluid transport network and a draw mode in which the pump system is operable to draw the body fluid from the patient into the fluid transport network through the patient end. At least one electrochemical test element is located near the fluid delivery point of the fluid transport network. The electrochemical test element is positioned to receive a portion of the body fluid delivered to the delivery point by the fluid transport network. An analyte detection system is configured to receive the test element and to measure at least one analyte in the portion of the body fluid.

    Abstract translation: 用于分析患者体液的系统的实施例包括流体输送网络，其具有构造成提供与患者体液的流体连通的患者端和与患者端间隔开的流体输送点。 泵系统耦合到流体输送网络。 泵系统具有输液模式，其中泵系统可操作以将输液流体朝向流体输送网络的患者端泵送，并且抽吸模式，其中泵系统可操作以将体液从患者吸入流体 运输网络通过病人端。 至少一个电化学测试元件位于流体输送网络的流体输送点附近。 电化学测试元件被定位成接收由流体输送网络输送到输送点的体液的一部分。 分析物检测系统被配置为接收测试元件并测量体液部分中的至少一种分析物。

    Method and System for Achieving Volumetric Accuracy in Hemodialysis Systems
    100.
    发明申请
    Method and System for Achieving Volumetric Accuracy in Hemodialysis Systems 审中-公开
    用于实现血液透析系统体积精度的方法和系统

    公开(公告)号：US20090076434A1

    公开(公告)日：2009-03-19

    申请号：US12210080

    申请日：2008-09-12

    Applicant: David J. Mischelevich ,  James R. Braig ,  Thomas P. Robinson ,  Milan V. Treka ,  Barry N. Fulkerson ,  Cherles E. Clemens ,  Russ T. Joseph ,  Clark B. Foster

    Inventor： David J. Mischelevich ,  James R. Braig ,  Thomas P. Robinson ,  Milan V. Treka ,  Barry N. Fulkerson ,  Cherles E. Clemens ,  Russ T. Joseph ,  Clark B. Foster

    IPC: A61M1/34

    CPC classification number: A61M1/3441 ,  A61M1/3486

    Abstract: Volumetric accuracy in hemodialysis systems is provided by swapping pumps between the replacement fluid side and the output side for a hemofiltration system and between the return fluid side and the sorbent side for a closed-loop, sorbent-based system, such that same quantity of fluid is pumped at each point after the end of an even number of pump swaps. A method for calculating the time interval between swaps is provided based on an allowable difference in amount pumped in the two functions at any given time. A mechanism is provided for compensating for the differences in head pressure presented to the pumps for fluid coming from the replacement-fluid containers or the reservoir and that coming back from the patient through the dialyzer. The pump-swapping system provides an accurate means that can be inexpensively implemented, including using a disposable device.

    Abstract translation: 在血液透析系统中的体积精度通过在用于血液滤过系统的置换流体侧和输出侧之间以及在返回流体侧和吸附剂侧之间交换泵来提供闭环的基于吸附剂的系统，使得相同量的流体 在偶数个泵交换结束后的每个点泵送。 基于在任何给定时间在两个功能中泵送的数量的允许差异来提供用于计算互换之间的时间间隔的方法。 提供了一种机构，用于补偿来自更换流体容器或储存器的流体的泵头压力差异以及从患者通过透析器返回的头部压力的差异。 泵交换系统提供了可以廉价实施的精确装置，包括使用一次性装置。

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