Dosing device for the inhalation of a powder substance

Details Dosing device for the inhalation of a powder substance Dosing device for the inhalation of a powder substance

A - Human Necessities

61

M

A61M 15/00 (2006.01)

Patent

CA 2706572

The invention relates to a dosing device (1) which can be activated by the vacuum air stream of the user, for the inhalation of a powder substance (2), particularly medicine, which is arranged in a supply chamber (15) and which can be brought out of the same into an open emptying-ready position (B) by means of a dosing chamber (4) of a dosing rod (33) when the mouthpiece-closure cap(7) is removed. In particular, the invention suggests, in order to improve dispensing, the provision of two air paths, of which one serves to open and empty the dosing chamber, and/or the second air path (a) penetrates directly into a ring chamber (63) in order to mix with the air flow containing the substance.

L'invention concerne un dispositif de dosage (1), pouvant être activé par le flux d'air d'aspiration de l'utilisateur, pour inhaler une substance en poudre (2), en particulier de type médical, qui est disposée dans une chambre de stockage (15) et qui peut être amenée depuis cette chambre, en retirant le bouchon de fermeture d'embout (7), via une chambre de dosage (40) d'un tube doseur (33), dans une position (B) de disponibilité pour vider la chambre (40), avec possibilité d'ouverture. Selon l'invention, notamment afin d'améliorer la délivrance, il est prévu deux parcours d'air, dont l'un sert à ouvrir et vider la chambre de dosage, tandis que le second parcours d'air (a) pénètre directement dans une chambre annulaire (63) pour s'y mélanger avec le flux d'air chargé de substances.

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