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Method and device for early signal attenuation detection using blood glucose measurements

  • US 8,473,220 B2
  • Filed: 01/23/2012
  • Issued: 06/25/2013
  • Est. Priority Date: 01/29/2009
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • receiving prior analyte sensor data;

    receiving present analyte sensor data from an analyte sensor;

    receiving reference measurement values associated with an analyte level;

    determining sensitivity values based on the received prior and present analyte sensor data and the reference measurement values;

    determining a sensitivity parameter of the analyte sensor based on the determined sensitivity values;

    performing a probability analysis, using a probability distribution function, of the determined sensitivity parameter to determine a presence of a signal attenuation condition of the analyte sensor; and

    generating an output value based on the probability analysis.

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