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REGULATING ENTRY INTO A CLOSED-LOOP OPERATING MODE OF AN INSULIN INFUSION SYSTEM

  • US 20140066888A1
  • Filed: 08/13/2013
  • Published: 03/06/2014
  • Est. Priority Date: 08/30/2012
  • Status: Active Grant
First Claim
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1. An electronic device comprising:

  • a processor architecture comprising at least one processor device; and

    at least one memory element associated with the processor architecture, the at least one memory element storing processor-executable instructions that, when executed by the processor architecture, perform a method of controlling an insulin infusion device for a user, the method comprising;

    obtaining sensor calibration data for a continuous glucose sensor that generates a sensor variable indicative of blood glucose of the user;

    identifying a most recent calibration factor from the sensor calibration data, the most recent calibration factor representing a first conversion value applicable to convert a first value of the sensor variable to a first blood glucose value;

    identifying a prior calibration factor from the sensor calibration data, the prior calibration factor representing a second conversion value applicable to convert a second value of the sensor variable to a second blood glucose value, and the prior calibration factor corresponding to an earlier time relative to the most recent calibration factor; and

    regulating entry into a closed-loop operating mode of the insulin infusion device, based on the most recent calibration factor and the prior calibration factor.

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