Method and apparatus for the measurement of components of exhaled breath in humans

  • US 6,010,459 A
  • Filed: 04/09/1997
  • Issued: 01/04/2000
  • Est. Priority Date: 04/09/1996
  • Status: Expired due to Term
First Claim
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1. A method for measuring components of exhaled breath of a subject, comprising the steps of:

  • causing the subject to exhale into an appropriate apparatus for receiving exhaled breath;

    increasing the pressure in the mouth of the subject to a level sufficient to cause the velum of the subject to close and isolate the nasopharynx during exhalation; and

    measuring the level of one or more components of the exhaled breath.

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