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INFUSION FLOW INTERRUPTION METHOD AND APPARATUS

  • US 20080161723A1
  • Filed: 09/06/2007
  • Published: 07/03/2008
  • Est. Priority Date: 09/06/2006
  • Status: Abandoned Application
First Claim
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1. An analysis system for determining information relating to at least one analyte in a sample of biological fluid, the system comprising:

  • a first fluid passageway having a biological fluid input end, said first fluid passageway in fluid communication with a source of biological fluid through said biological fluid input end;

    a source of infusion fluid in fluidic communication with said first fluid passageway through a second fluid passageway that is configured to maintain a flow of infusion fluid through the biological fluid input end of the first fluid passageway; and

    an analyte measurement system comprising a sample cell in fluid communication with said first and second fluid passageway through a third fluid passageway, said analyte measurement system configured to measure the concentration of at least one analyte in a sample of biological fluid;

    wherein the analysis system is configured to;

    withdraw the sample of biological fluid from the source of biological fluid through the biological fluid input end of the first fluid passageway;

    interrupt the flow of infusion fluid while the sample of biological fluid is withdrawn;

    analyze the withdrawn biological fluid to determine information relating to at least one analyte; and

    resume the flow of infusion fluid after the sample of biological fluid is withdrawn.

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