A dry powder inhalation system

A - Human Necessities – 61 – M

Patent

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A61M 15/00 (2006.01)

Patent

CA 2719205

Dry powder inhaler systems for pulmonary delivery of pharmaceuticals are disclosed. The dry powder inhalation systems comprise a dry powder inhalation device or inhaler ( 109) and a cartridge (1600) containing a pharmaceutical formulation comprising an active ingredient for delivery to the pulmonary circulation. The present devices provide rugged devices which are reusable, use pre-metered unit dose cartridges which deliver a medicament in a liner manner, and can be disassembled for clean-ing. The devices also provide a high resistance inhalation system which enables deagglomeration of dry powder particles, have a consistent airflow, are easy to manufacture and are simple and relatively easy to use.

La présente invention concerne des systèmes dinhalateur de poudre sèche destinés à ladministration pulmonaire de produits pharmaceutiques. Lesdits systèmes dinhalation de poudre sèche comprennent un dispositif dinhalation de poudre sèche ou un inhalateur (109) et une cartouche (1600) contenant une formulation pharmaceutique comprenant un ingrédient actif destiné à être introduit dans la circulation pulmonaire. Les dispositifs de la présente invention sont des dispositifs résistants qui sont réutilisables, utilisent des cartouches dunidose prédosées qui fournissent un médicament de manière linéaire, et peuvent être démontés pour leur nettoyage. En outre, ces dispositifs font appel à un système dinhalation hautement résistant qui permet la désagglomération des particules de poudre sèche, présentent un écoulement dair constant, sont faciles à fabriquer, simples et relativement faciles à utiliser.

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