Nasal/Oral Sampling Cannula

Abstract: a nasal cannula has a tube configured with a first part defining an inhalation pathway and a second part defining an exhalation pathway. the first part and the second part are divided by a sealing member. the first part has an inlet and a first nasal prong for insufflating gas into the nostril of a patient. the second part has an outlet, a second nasal prong for collecting exhaled gas from the nostril of a patient, and a first means for releasing pressure build-up along the exhalation pathway.

Inventor(s): Ngah Chai LEOW

CPC Classification: A61B5/097 (Devices for facilitating collection of breath or for directing breath into or through measuring devices)

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