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Method and means of physiological monitoring using sonification

  • US 20040243016A1
  • Filed: 02/27/2004
  • Published: 12/02/2004
  • Est. Priority Date: 08/29/2001
  • Status: Active Grant
First Claim
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1. A respiratory sonification monitoring system for monitoring respiration and/or, gas exchange in a subject including in combination capnometric means for measuring respiratory carbon dioxide concentrations, flowmeter means for measuring gas flow and volume of said gas flow by the integration of the gas flow with respect to time, signal processing means adapted to process into digital information, signal output from the capnometric means and the flowmeter means, sound synthesizer means adapted to convert said digital Information into synthesised audio output, wherein in use, changes in respiratory flow during inhalation and exhalation, and changes in end tidal carbon dioxide concentrations (ETCO2) and cumulative tidal volume (cumVt) of the subject can be represented and monitored as changes in synthesized sound heard through a loudspeaker, headphone or ear piece.

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