A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 15/00 (2006.01)
Patent
CA 2336358
A powder inhalator (1) comprises a space (3) for storage of a dose of a pulverous agent and a passage (7) extending from the space (3) to an outlet (8), a valve assembly (4, 5, 6, 10) disposed at least partially in the passage (7) to keep the passage (7) closed except if a dose of the agent is intended to be carried out through the passage (7). The valve assembly (4, 5, 6, 10) opens when a predetermined negative pressure is generated in the portion of the passage (7) extending from the valve assembly to the outlet (8) by the inhalation of a patient. Also disclosed is a corresponding method of administration of a pulverous agent to the lungs of a patient.
L'invention concerne un inhalateur à poudre (1) comprenant un compartiment (3) destiné au stockage d'une dose d'agent pulvérulent, un passage (7) raccordant le compartiment (3) à la sortie (8), un ensemble valve (4, 5, 6, 10) placé au moins partiellement dans le passage (7) et permettant de garder le passage (7) fermé sauf si une dose de l'agent est destinée à être acheminée via le passage (7). L'ensemble valve (4, 5, 6, 10) s'ouvre lorsqu'une pression négative prédéterminée est générée dans la partie du passage (7), comprise entre l'ensemble valve et la sortie (8), par l'inhalation d'un patient. L'invention concerne également un procédé correspondant permettant d'administrer un agent pulvérulent dans les poumons d'un patient.
Medifront Ab
Ogilvy Renault
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