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Portable infusion management apparatus and method

  • US 8,876,756 B2
  • Filed: 08/11/2011
  • Issued: 11/04/2014
  • Est. Priority Date: 08/11/2010
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving control input inputted to a fluid delivery system, the control input controlling a position setting of a variable fluid flow resistor, the variable fluid flow resistor resisting passage of fluid through a fluid pathway between a fluid source and a recipient;

    producing a control signal indicative of the position setting of the variable fluid flow resistor;

    deriving a fluid flow rate value from the control signal;

    applying pressure to the fluid source to deliver the fluid from the fluid source to the recipient through the variable fluid flow resistor at a rate as specified by the derived fluid flow rate value; and

    wherein producing the control signal includes;

    physically detecting the position setting of the variable fluid flow resistor using a position sensor coupled to the variable fluid flow resistor, the position sensor physically detecting a degree to which the variable fluid flow resistor is open, the position sensor producing the control signal.

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