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Patient circuit disconnect system for a ventilator and method of detecting patient circuit disconnect

  • US 20060086357A1
  • Filed: 10/25/2004
  • Published: 04/27/2006
  • Est. Priority Date: 10/25/2004
  • Status: Active Grant
First Claim
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1. A method of detecting disconnect of a patient circuit of a ventilation system, comprising:

  • a) detecting a volume loss lasting for a first predetermined period of time;

    b) detecting a pressure loss lasting for at least two consecutive breaths or for a breath longer than a second predetermined period of time;

    c) detecting a pressure loss continuing for a third predetermined period of time;

    d) detecting a volume loss for a single breath;

    e) detecting a pressure loss for a single breath; and

    f) detecting an increase of compliance.

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