A nasal inhaler

A - Human Necessities – 61 – M

Patent

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Details

A61M 15/00 (2006.01) A61K 9/00 (2006.01) A61L 9/22 (2006.01) A61M 15/08 (2006.01) B05B 5/025 (2006.01) B05B 5/053 (2006.01) B05B 5/16 (2006.01) B05B 12/08 (2006.01) H01T 23/00 (2006.01) A61M 31/00 (2006.01)

Patent

CA 2394664

An inhaler has a housing containing a chamber (la) providing a reservoir (8) for liquid providing an active ingredient to be supplied to a liquid outlet (l0a). First and second electrodes are spaced apart (11 and 12) with the first electrode being provided at or adjacent the liquid outlet (l0a). A voltage supply (5,7) is activated in response to air flowing through an air inlet (30) of the housing to provide a potential difference between the first and second electrodes (11 and 12) to create an electric field for causing comminution of liquid issuing from the liquid supply outlet (10a) to produce a stream of electrically charged comminuted matter for supply to the nasal passages of a user via an outlet (4) of the housing.

Cette invention concerne un inhalateur qui comprend un boîtier avec chambre (1a). Cette chambre renferme un réservoir (8) de liquide qui constitue l'ingrédient actif alimentant une sortie de liquide (10a). Une première et une seconde électrode (11 et 12) sont montées à l'écart l'une de l'autre, la première électrode se trouvant contre la sortie de liquide (10a). En réponse au passage de l'air dans l'entrée (30) du boîtier, une source de tension (5, 7) est activée et crée une différence de potentiel entre les première et seconde électrodes (11 et 12). Le champ électrique qui en résulte provoque une pulvérisation du liquide sortant de (10a), ce qui produit un flux de matière pulvérisée chargée électriquement qui va alimenter les voies nasales de l'utilisateur via l'orifice de sortie (4) du boîtier.

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