Temperature and humidity of the DrÄger Cato anesthetic machine circuit

  title={Temperature and humidity of the Dr{\"A}ger Cato anesthetic machine circuit},
  author={Hiroki Wada and Hideyuki Higuchi and Shinya Arimura},
  journal={Journal of Anesthesia},
Purpose. The DrÄger Cato anesthetic machine (DrÄger, LÜbeck, Germany) effectively humidifies and warms anesthetic gases, because it has a built-in hotplate to heat the breathing system, and expired gas passes through the CO2 absorbent three times during one breath. In the present study, we measured the temperature and absolute humidity (AH) of the anesthetic circuit in the DrÄger Cato machine with and without heat moisture exchangers (HME), and compared them with those in another anesthetic… CONTINUE READING


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