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Pressure control for constant minute volume

  • US 6,041,780 A
  • Filed: 03/19/1997
  • Issued: 03/28/2000
  • Est. Priority Date: 06/07/1995
  • Status: Expired due to Term
First Claim
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1. A method for automatically adjusting IPAP during ventilation of a patient being assisted by a system having a controller, comprising the steps of:

  • maintaining a constant preselected IPAP level during each inspiratory phase;

    preselecting a target minute volume;

    continually measuring said patient'"'"'s actual minute volume;

    providing information as to said measured actual minute volume to said controller; and

    periodically adjusting said preselected IPAP level of subsequent inspiratory phases so as to gradually conform the actual minute volume to the target minute volume.

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