Gas supply apparatus and method for the supply of treatment...

A - Human Necessities – 61 – M

Patent

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A61M 16/18 (2006.01)

Patent

CA 2285532

The present invention relates to a gas supply apparatus for supplying treatment gas, e.g. anaesthetic, to a human being or to an animal. The apparatus includes a vaporisation means that has a vaporisation chamber (1) which includes a gas inlet (3) and a gas outlet (4). Arranged in the vaporisa-tion chamber is a liquid-emitting device (5), which communicates with an external liquid source through the medium of liquid delivery means (6, 7). The liquid to be vaporised is exposed to the bypassing gas via the liquid-emitting device (7). According to the invention, the liquid is exposed exclusively via the porosities in the liquid-emitting device (5), and heating means are provided for heating said liquid. The invention also relates to a method for supplying treatment gas to the respiratory organs of a human being or an animal with the use of the inventive apparatus.

La présente invention concerne un appareil d'alimentation en gaz permettant d'administrer un gaz de traitement, par exemple, un gaz anesthésique, à un être humain ou à un animal. L'appareil comprend un élément de vaporisation doté d'une chambre de vaporisation (1) qui comprend une entrée de gaz (3) et une sortie de gaz (4). Un dispositif d'émission (5) de liquide est placé dans la chambre de vaporisation et communique avec une source externe de liquide à travers le support d'élément d'administration (6, 7) de liquide. Le liquide à vaporiser est mis en contact avec un gaz traversant le dispositif d'émission (5) de liquide. Selon l'invention, le liquide est mis en contact, exclusivement, par l'intermédiaire des porosités du dispositif (5) d'émission de liquide, et un élément de chauffage assure le chauffage dudit liquide. L'invention concerne également un procédé d'administration d'un gaz de traitement aux organes respiratoires d'un être humain ou d'un animal à l'aide du dispositif de l'invention.

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