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METHOD AND ARRANGEMENT FOR MAINTAINING VOLUME OF BREATHING GAS IN A DESIRED LEVEL

  • US 20110265793A1
  • Filed: 03/21/2011
  • Published: 11/03/2011
  • Est. Priority Date: 04/30/2010
  • Status: Abandoned Application
First Claim
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1. A method for maintaining a volume of a breathing gas in a desired level when ventilating a subject, the method comprising:

  • supplying the volume of the breathing gas for an inspiration and receiving the volume of the breathing gas for an expiration;

    withdrawing a gas sample from the volume of the breathing gas for an analysis;

    providing a signal indicative of a volume of the gas sample withdrawn;

    determining the volume of the gas sample based on the provided signal indicative of a volume of the gas sample withdrawn; and

    controlling a volume of a compensation gas configured to be added into the breathing gas based on the determined volume of the gas sample for maintaining the breathing gas volume in the desired level.

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