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Pressure control

  • US 8,444,392 B2
  • Filed: 06/20/2008
  • Issued: 05/21/2013
  • Est. Priority Date: 07/02/2007
  • Status: Active Grant
First Claim
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1. A method for determining pressure provided by a pump of a topical negative pressure (TNP) system, the method comprising:

  • determining a value associated with a measured pressure by;

    measuring pressure in a lumen connected to a pump inlet; and

    determining said value by averaging the measured pressure with previous readings of the pressure taken for a predetermined period;

    determining a difference between the measured pressure value and a predetermined desired value; and

    increasing or decreasing a speed of pumping of the pump responsive to the difference.

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