Analyte sensor

  • US 8,626,257 B2
  • Filed: 11/07/2008
  • Issued: 01/07/2014
  • Est. Priority Date: 08/01/2003
  • Status: Active Grant
First Claim
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1. A method for evaluating a change in a sensitivity of an analyte sensor over a predetermined time period, the method comprising:

  • receiving sensor data from an analyte sensor, wherein the sensor data comprises one or more sensor analyte values measured in a biological sample of a host;

    intermittently calculating a sensitivity of the analyte sensor based at least in part on reference analyte data; and

    evaluating, using an electronic device, a change in sensitivity by evaluating a plurality of time-spaced sensitivity calculations over a predetermined time period, wherein evaluating a change in sensitivity is based at least in part on applying, throughout a sensor session, a priori sensitivity information, wherein the a priori sensitivity information comprises an expected profile that is a function of time.

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