Mask with improved cushion and method of using same

Details Mask with improved cushion and method of using same Mask with improved cushion and method of using same

A - Human Necessities

62

B

A62B 18/02 (2006.01) A61M 16/06 (2006.01) A62B 18/08 (2006.01)

Patent

CA 2386686

A nasal CPAP treatment apparatus is disclosed with a flow generator coupled to a nasal mask. The mask has a nasal cushion forming a nose-receiving cavity. The cushion has a triangularly-shaped frame of resilient material with a mask engaging portion connected by a side wall to a face engaging portion which has a nasal bridge region, a cheek region and a lip region. The cushion may have a portion of the side wall in the nasal bridge region being other than straight to provide an improved sealing in the nasal bridge region. A plurality of membranes, preferably three, of resilient material extend substantially around the triangularly-shaped frame. Some of the membranes are thicker in the lip region than in the nasal bridge region to improve fit of the cushion in use.

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