Inhaler

A - Human Necessities – 61 – M

Patent

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A61M 15/00 (2006.01)

Patent

CA 2712969

A passive inhaler (1) for delivery of a powder-form inhala-tion formulation from a blister strip (2) with a plurality of blister pockets (3) is proposed. The inhaler comprises an impaction element (31) onto which the air stream can impact together with entrained inhalation formu- lation for better deagglomeration. Alternatively, the inhaler comprises an oscillating and/or vibrating device (35) for better de- agglomeration of the inhalation formulation. Alternatively or additionally, the inhaler comprises one or two mixing means for generating swirls, preferably with opposite rotation directions.

L'invention porte sur un inhalateur passif pour l'administration d'une formulation d'inhalation sous forme de poudre à partir d'une bande alvéolée ayant une pluralité d'alvéoles. L'inhalateur comporte un élément d'impact sur lequel le courant d'air peut avoir un impact avec la formulation d'inhalation entraînée pour une meilleure désagrégation. En variante, l'inhalateur comporte un dispositif oscillant et/ou vibrant pour une meilleure désagrégation de la formulation d'inhalation. En variante ou en plus, l'inhalateur comporte un ou deux moyens de mélange pour générer des tourbillons, de préférence avec des directions de rotation opposées.

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