Nasal and oral cannula breathing detection device

Details Nasal and oral cannula breathing detection device Nasal and oral cannula breathing detection device

2008-03-04

2008-03-04

Yu, Justine R. (Department: 3771)

Surgery

Respiratory method or device

Respiratory gas supply means enters nasal passage

C128S206110, C128S203220, C128S200240, C425S275000

Reexamination Certificate

active

07337780

ABSTRACT:
A cannula comprising a main body which defines an internal chamber therein. A first and second nasal prongs, respectively, communicate with the internal chamber to define first and second nasal prong passages. A mouthpiece has a gas passageway and a retainer passageway and a first end of the gas passageway communicates with the internal chamber while a second free end of the mouthpiece has a gas opening therein. A shape retaining member is received within the retainer passageway to facilitate retaining an adjusted position of an opening of the gas passageway with respect to a remainder of the cannula. A method of forming the cannula is also disclosed.

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