Nasal cannula
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United States of America Patent
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Dec 2, 2003
Issued Date -
N/A
app pub date -
Apr 18, 2001
filing date -
Apr 3, 1998
priority date (Note) -
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Abstract
A nasal cannula for insufflating a patient with oxygen through one nare of the cannula and separately analyzing the exhaled gases from the patient by drawing the sampling of the exhaled gas from the other nare of the cannula into a conventional carbon dioxide analyzer. A further addition of holes or vents in the nares of the cannula are provided on both the interior and posterior of one or both nares in order to substantially reduce or eliminate the incidence of occlusion of the tip of the carbon dioxide sampling nare.
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Family
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