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Analyte monitoring device and methods of use

  • US 8,666,469 B2
  • Filed: 11/16/2007
  • Issued: 03/04/2014
  • Est. Priority Date: 04/30/1998
  • Status: Expired due to Fees
First Claim
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1. A computer system, comprising:

  • a sensor circuit configured to receive sensor data, the sensor data comprising a data stream comprising a plurality of time spaced sensor data points from an analyte sensor; and

    a processing circuit configured to determine a rate of change of an analyte level based on the received sensor data, and to determine if calibration is appropriate based at least in part by evaluating a change in a characteristic associated with the analyte sensor and determining if the rate of change of the analyte level is less than a threshold amount;

    wherein the processing circuit receives reference data from an analyte reference source, the reference data comprising at least one reference data point; and

    wherein the processing circuit forms calibration information based at least in part on at least one reference data point and at least one sensor data point.

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