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Apparatus and method for controlling insulin infusion with state variable feedback

  • US 20070173761A1
  • Filed: 12/22/2006
  • Published: 07/26/2007
  • Est. Priority Date: 06/03/1999
  • Status: Active Grant
First Claim
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1. A method of infusing a fluid into a body of a user, the method comprising:

  • delivering a basal amount of fluid to a body of a user at a predetermined basal rate;

    determining a bolus amount of fluid to be delivered to the body of the user, determining at least one state variable;

    determining, based on the at least one state variable, an additional amount of fluid to be delivered to the body of the user with the bolus amount of fluid;

    infusing the determined bolus amount of fluid and the determined additional amount of fluid to the user; and

    reducing the basal rate by the additional amount of fluid delivered with the bolus amount of fluid.

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