Analyte sensor

  • US 8,562,528 B2
  • Filed: 11/07/2008
  • Issued: 10/22/2013
  • Est. Priority Date: 10/04/2006
  • Status: Active Grant
First Claim
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1. An integrated sensor system for measuring an analyte in a sample of a host and for fluid infusion into the host, comprising:

  • an analyte sensor configured and arranged for measuring an analyte concentration in a biological sample of a circulatory system of a host;

    a tubing assembly comprising tubing that is configured to be in fluid communication with a vascular access device configured to be in fluid communication with the circulatory system of the host;

    a flow control device configured to regulate exposure of the analyte sensor to the biological sample and to a reference solution according to a flow profile, wherein the flow control device comprises a valve, and wherein the valve is configured and arranged with a gravity flow position and a controlled flow position; and

    a free-flow mitigation device comprising a spring clip occluder located on the tubing assemblywherein the system is configured and arranged such that the free-flow mitigation device precludes flow responsive to at least one of power removal, loss of power to the system, and loss of power to the flow control device.

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