• US 20090143659A1
  • Filed: 11/07/2008
  • Published: 06/04/2009
  • Est. Priority Date: 08/01/2003
  • Status: Active Grant
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First Claim
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1. A system for evaluating a change in a sensitivity of an analyte sensor over a predetermined time period, the system comprising:

  • an analyte sensor; and

    a computer system, wherein the computer system comprises;

    an input module configured to receive sensor analyte data and reference analyte data, wherein the sensor data comprises one or more sensor analyte values measured in a biological sample of a host and wherein the reference data comprises one or more reference analyte values; and

    a processor module configured to intermittently calculate a sensitivity of the analyte sensor based at least in part on the reference analyte data and to evaluate a change in sensitivity by evaluating a plurality of time-spaced sensitivity calculations over a predetermined time period.

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