System and methods for processing analyte sensor data for sensor calibration

  • US 7,920,906 B2
  • Filed: 03/09/2006
  • Issued: 04/05/2011
  • Est. Priority Date: 03/10/2005
  • Status: Active Grant
First Claim
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1. A method for processing data from an analyte sensor, the method comprising:

  • receiving, with an electronic system, sensor data from an analyte sensor, wherein the sensor data comprises at least one sensor data point;

    receiving, with the electronic system, reference data, wherein the reference data comprises at least one reference data point;

    matching, with the electronic system, a first reference data point to a substantially time corresponding first sensor data point to form a calibration set;

    forming, with the electronic system, a conversion function based at least in part on the calibration set, wherein the conversion function comprises a first non-zero baseline and a first analyte sensitivity;

    adjusting, with the electronic system, the conversion function using a second baseline determined at least in part by prior information; and

    determining, with the electronic system, an analyte output value in substantially real-time by applying the adjusted conversion function to a sensor data point.

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