Sealing nasal cannula

Details Sealing nasal cannula Sealing nasal cannula

2008-04-08

2008-04-08

Mitchell, Teena (Department: 3771)

Surgery

Respiratory method or device

Means for removing substance from respiratory gas

C128S207180

Reexamination Certificate

active

07353826

ABSTRACT:
An integrally molded ventilation interface includes a hollow bellows-like structure and two nasal prongs extending from a top surface of the bellows. A pair of headgear strap flanges can also be molded integrally with the ventilation interface. The nasal prongs provide a first sealing interface between an outer surface of the nasal prongs and an inner surface of the patient's nares. The bellows provides a second sealing interface between a top surface of the bellows-like structure and a bottom surface of a patient's nose. The headgear strap flanges provide a third sealing interface between the ventilation interface and a mustache region of the patient's face as well as a bottom surface of the patient's nose.

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