Closed loop control with improved alarm functions

  • US 9,610,046 B2
  • Filed: 04/29/2014
  • Issued: 04/04/2017
  • Est. Priority Date: 08/31/2008
  • Status: Active Grant
First Claim
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1. A method comprising:

  • determining a predictive glucose response based on prior monitored glucose sensor data and one or more exogenous factors;

    detecting a condition associated with hypoglycemia including determining a level of uncertainty in a monitored glucose level based on a predicted or anticipated glucose level;

    determining a probability that the detected condition associated with hypoglycemia corresponds to a hypoglycemic condition including determining whether glucose sensor data indicates a persistent low glucose level;

    comparing the determined probability that the detected condition associated with hypoglycemia corresponds to the hypoglycemic condition, to a probability threshold level to confirm a presence of the hypoglycemic condition;

    modifying a first medication delivery rate adjustment frequency to a second medication delivery rate adjustment frequency based on a variation in the monitored glucose level; and

    determining periodically at the second medication delivery rate adjustment frequency whether to adjust a medication delivery rate.

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