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SYSTEMS AND METHODS FOR TRIGGERING AND CYCLING A VENTILATOR BASED ON RECONSTRUCTED PATIENT EFFORT SIGNAL

  • US 20090301486A1
  • Filed: 06/05/2009
  • Published: 12/10/2009
  • Est. Priority Date: 06/06/2008
  • Status: Active Grant
First Claim
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1. A method for respiratory support, the method comprising:

  • providing a measured pressure;

    calculating a net flow based on at least one measured inlet flow and at least one measured outlet flow;

    using a relationship between a first value related to the measured pressure, a second value related to the measured net flow and a third value related to patient effort to provide a prediction of patient effort;

    updating an interim value based at least in part on the prediction of patient effort;

    calculating a computed patient effort based at least in part on the interim value; and

    utilizing the computed patient effort to trigger a ventilation cycle.

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