Analyte sensor

  • US 8,298,142 B2
  • Filed: 11/07/2008
  • Issued: 10/30/2012
  • Est. Priority Date: 10/04/2006
  • Status: Active Grant
First Claim
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1. A system configured to measure at least one analyte in a host, the system comprising:

  • a fluid coupler configured to couple with a vascular access device configured for insertion into a host;

    at least one analyte sensor, wherein at least a portion of the at least one analyte sensor is located in the fluid coupler;

    a processor operatively connected to the at least one analyte sensor, wherein the processor is configured to process sensor data from the at least one analyte sensor and to evaluate a change in sensitivity by comparing measured sensitivity values the at least one analyte sensor based at least in part on a priori sensitivity information comprising an acceptable change in measured sensitivity; and

    a flow control device configured to regulate exposure of the at least one analyte sensor to a biological sample according to a flow profile.

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