Analyte monitoring devices and methods of use

  • US 7,003,341 B2
  • Filed: 11/24/2003
  • Issued: 02/21/2006
  • Est. Priority Date: 04/30/1998
  • Status: Expired due to Term
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First Claim
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1. A method of calibrating an electrochemical sensor implanted in a patient and comprising one or more working electrodes, the method comprising:

  • (a) generating a signal from each of the one or more working electrodes;

    (b) determining if each of conditions (1) to (3) are met(1) the signal from each of the one or more working electrodes differ by less than a first threshold amount,(2) the signals from each of the one or more working electrodes are within a predetermined range, and(3) a rate of change of the signals from each of the one or more working electrodes is less than a second threshold amount,(c) determining a calibration value by assaying a calibration sample of a patient'"'"'s body fluid; and

    (d) relating the calibration value to at least one of the signals from the one or more working electrodes if the conditions in step (b) are met.

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