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SYSTEM AND METHOD FOR DETERMINING VENTILATOR LEAKAGE DURING STABLE PERIODS WITHIN A BREATH

  • US 20110259330A1
  • Filed: 03/30/2009
  • Published: 10/27/2011
  • Est. Priority Date: 03/31/2008
  • Status: Active Grant
First Claim
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1. A method for identifying leakage in a respiratory gas supply system comprising:

  • monitoring data indicative of at least one of pressure and flow in the respiratory gas supply system;

    identifying that the data meet at least one stability criterion indicating that pressure and flow conditions have been stable for a period of time within a breath;

    in response to the identifying operation, calculating leakage information based at least in part on the data taken during the period of time within the breath; and

    determining a leakage rate after the period of time based at least in part on the leakage information.

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