Media dispenser

A - Human Necessities – 61 – M

Patent

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Details

A61M 15/00 (2006.01) B05B 11/06 (2006.01)

Patent

CA 2280263

For discharging a medium, such as a powder, a film/foil seal (16) of a reservoir chamber (24) is pierced by a tool (40) in a first axial movement, after which the medium is suctioned via an orifice (9) in feeding a delivery flow via passageways (55) from the chamber (24). On completion of a return stroke and twisting the tool (40) relative to the reservoir body (6) a further chamber (24) may be emptied in the same way, thus enabling e.g. a pharmaceutical active substance to be administered in two individual doses as expedient for nasal treatment.

Pour distribuer une substance, telle qu'une poudre, la fermeture pelliculaire (16) d'une chambre de stockage (24) est perforée dans un premier mouvement axial, par un outil (40), à la suite de quoi la substance est aspirée hors de la chambre (24) par l'intermédiaire d'un orifice de sortie (9), par acheminement d'un flux d'alimentation par le biais de canaux (55). Après une course de retour et une rotation de l'outil (40) par rapport à l'élément de stockage (6), une autre chambre (24) peut être vidée de la même manière. Ce système permet d'administrer par ex. un principe actif pharmaceutique en deux doses individuelles, ce qui avantageux dans les traitements par voie nasale.

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