Respiratory mask facial seal

Details Respiratory mask facial seal Respiratory mask facial seal

A - Human Necessities

62

B

A62B 18/00 (2006.01) A61M 16/06 (2006.01) A62B 18/02 (2006.01)

Patent

CA 2201961

This invention is an improved flexible respiratory mask facial seal (18), as well as a respiratory mask (10) incorporating such seal. The facial seal comprises an annular member (16) including a peripheral sidewall bounded by an inner end and an outer end generally opposite the inner end. The annular member is formed of a gel substance possessing resilience characteristics corresponding to those of human fat tissue.

La présente invention a trait à un joint d'étanchéité facial souple (18) de masque respiratoire, ainsi qu'à un masque respiratoire (10) incorporant un tel joint. Le joint d'étanchéité facial comprend un élément annulaire (16) comportant une paroi latérale périphérique limitée par une extrémité intérieure et une extrémité extérieure généralement opposée à l'extrémité intérieure. L'élément annulaire est formé d'un gel dont les caractéristiques d'élasticité correspondent à celles des tissus adipeux humains.

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