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ORAL-NASAL CANNULA SYSTEM ENABLING CO2 AND BREATH FLOW MEASUREMENT

  • US 20100113955A1
  • Filed: 10/28/2009
  • Published: 05/06/2010
  • Est. Priority Date: 10/30/2008
  • Status: Active Grant
First Claim
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1. An oral-nasal cannula comprising:

  • at least one nasal breath inlet for carbon dioxide (CO2) sampling; and

    at least one nasal breath inlet for flow measurement, wherein said at least one nasal breath inlet for flow measurement is separated from said at least one nasal breath inlet for CO2 sampling, such that said cannula is configured to facilitate CO2 sampling and flow measurement essentially without cross-interference.

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