Nasal mask

Details Nasal mask Nasal mask

A - Human Necessities

62

B

A62B 7/00 (2006.01) A61M 16/06 (2006.01) A62B 18/00 (2006.01)

Patent

CA 2409212

A nasal mask has a shell portion that is a hollow enclosure with a rearwardly facing opening that is defined by edge portions of the shell portion. A resiliently deformable endless interface member engages and extends around the edge portion of they opening and forms a seal between the shell portion and the user's face. The shell portion and the interface member are generally symmetrical about a median place. The shell portion has two gas inlet orifices, one on each side of the median place. Each orifice is provided with an attachment mechanism upon which is attachable a swivel inlet. The swivel inlets may be rotated through 180 degrees and locked in place.

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