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SENSOR-UNSPECIFIC CALIBRATION METHODS AND SYSTEMS

  • US 20170181671A1
  • Filed: 12/28/2015
  • Published: 06/29/2017
  • Est. Priority Date: 12/28/2015
  • Status: Abandoned Application
First Claim
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1. A method for real-time calibration of a glucose sensor for measuring the level of glucose in a body of a user, said sensor including physical sensor electronics, a microcontroller, and a working electrode, the method comprising:

  • measuring, by said physical sensor electronics, the electrode current (Isig) for the working electrode;

    obtaining a plurality of blood glucose (BG) values for said user, wherein said BG values include noise;

    applying, by said microcontroller, an unscented Kalman filter to said plurality of BG values and determining an estimated calibration factor (CF) value based on said Isig and BG values; and

    calculating, by said microcontroller, a calibrated sensor glucose (SG) value associated with said Isig based on said estimated CF value.

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