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Closed loop system for controlling insulin infusion

  • US 20030130616A1
  • Filed: 12/31/2002
  • Published: 07/10/2003
  • 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:

  • obtaining a blood glucose concentration of the user;

    generating a controller input based on the blood glucose concentration;

    generating commands by a proportional plus, integral plus, derivative (PID) controller from the controller input using at least one preset controller gain; and

    infusing a liquid based on the commands from the PID controller.

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