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Adjustment of ventilator pressure-time profile to balance comfort and effectiveness

  • US 6,553,992 B1
  • Filed: 03/03/2000
  • Issued: 04/29/2003
  • Est. Priority Date: 03/03/2000
  • Status: Expired due to Term
First Claim
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1. A method for controlling a pressure support ventilator comprising the steps of:

  • supplying breathable gas to a patient'"'"'s airway at a pressure that varies during each respiratory cycle in accordance with an adjustable pressure waveform template having a shape, determining adequacy of ventilation of the patient, and automatically making a change to the shape of said pressure waveform template in accordance with said adequacy of ventilation, wherein said change produces an increase in ventilatory support at an expense of comfort when the ventilation is inadequate.

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