Non-contact gas dispenser and apparatus for use therewith

Details Non-contact gas dispenser and apparatus for use therewith Non-contact gas dispenser and apparatus for use therewith

A - Human Necessities

61

M

A61M 16/00 (2006.01) A61M 16/06 (2006.01) A62B 18/00 (2006.01) A62B 18/08 (2006.01)

Patent

CA 2271854

A non-contact gas dispenser (200) comprising a headset apparatus (202), a gas source (210), a conduit (208) for directing the desired gas to a region proximate to the user's nose, and mouth. The gas source preferably is a pressure swing adsorption apparatus (Fig. 9) that allows the user to select at least two predetermined settings of product gas, each setting having a distinct concentration, and flow rate different from the other settings.

Cette invention se rapporte à un distributeur (200) de gaz sans contact comportant un casque (202), une source (210) de gaz, et un conduit (208) destiné à orienter le gaz recherché en direction d'une zone se trouvant à proximité du nez et de la bouche de l'utilisateur. Cette source de gaz est de préférence un dispositif d'absorption par variation de pression (Fig. 9) qui permet à l'utilisateur de sélectionner au moins deux réglages prédéterminés relatifs au gaz, chaque réglage correspondant à une concentration distincte et à un débit différent de ceux des autres réglages.

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