Powder inhaler

Details Powder inhaler Powder inhaler

A - Human Necessities

61

M

A61M 15/00 (2006.01) C23C 30/00 (2006.01) C09D 123/18 (2006.01)

Patent

CA 2322575

This invention relates to single dose dry powder inhalers in which medicament is stored in a capsule and is released by piercing the capsule wall with polymer-coated steel pins. Methods of preparation of polymer-coated piercing means and their use in releasing the medicament from the capsule are described.

L'invention concerne des dispositifs de distribution pour l'absorption de gélules monodose qui permettent d'enfermer un médicament dans une capsule. Le médicament est libéré sur percement de la paroi de la capsule par des tiges d'acier couché polymère. L'invention concerne également des procédés relatifs à la fabrication des systèmes de percement et à leur utilisation pour libérer le médicament hors de la capsule.

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