| 摘要 |
A device adapted for use with a conventional oral or nasopharyngeal airway for delivering an inhalant gas to a proximal end of said airway, and for sampling exhalant gas at a distal end of said airway, comprises a pair of conduits which are adapted to slide into an internal passage of the airway to provide an inhalant gas at the proximal end therof and/or to sample expired gas at the distal end thereof when the airway is being used.
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