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APPARATUS FOR COLLECTION OF AIRWAY GASES

  • US 20080221471A1
  • Filed: 05/23/2008
  • Published: 09/11/2008
  • Est. Priority Date: 06/21/2000
  • Status: Abandoned Application
First Claim
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1. An apparatus for collecting airway gases, comprising:

  • a mouthpiece through which a user in use exhales to deliver a gas flow therethrough, wherein the mouthpiece is configured to provide a resistance to exhalation which is such as to cause closure of the oropharyngeal velum of the user on exhalation therethrough;

    a first nosepiece which is fluidly connected to the mouthpiece for fitting to one nostril of the user;

    a second nosepiece for fitting to the other nostril of the user; and

    a collection device which is fluidly connected to the second nosepiece for collecting airway gases as delivered from the second nosepiece.

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