Respiratory mask sealing interface

A - Human Necessities – 61 – M

Patent

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Details

A61M 16/06 (2006.01)

Patent

CA 2747433

A sealing interface includes an inner cushion and an outer sheath. The outer sheath substantially seals against the facial contours of the user. The inner cushion and the outer sheath each have a nasal bridge region, left and right cheek regions and either one of an upper lip region or a chin region. In use these regions are aligned with the corresponding nasal bridge region, left and right cheek regions and either the upper lip region or the chin region of a user. The inner cushion includes a hinged region. The hinged region is adapted to flex substantially independently of the inner cushion cheek regions.

Cette invention concerne une interface d'étanchéité comprenant un élément d'amortissement interne et une enveloppe externe, celle-ci épousant sensiblement le contour du visage de l'utilisateur. L'élément d'amortissement interne et l'enveloppe externe disposent l'un et l'autre d'une zone prévue pour le nez, d'une zone prévue pour les joues droite et gauche, et d'une zone prévue pour la lèvre supérieure ou pour le menton de l'utilisateur. Ces zones sont conçues pour s'adapter à la morphologie de l'utilisateur lorsqu'il applique le dispositif sur son visage. L'élément d'amortissement interne comporte une zone articulée, celle-ci étant conçue pour s'incurver sensiblement indépendamment de l'élément d'amortissement interne au niveau des joues.

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