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US 2008/0289630 A1Published application
Pre-metered dry powder inhaler for moisture-sensitive medicaments
AssigneeBoehringer Ingelheim International GmbH
InventorsThomas NILSSON, Mattias Myrman, Sven Calander, Alf Niemi
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Abstract
The invention discloses a pre-metered dry powder inhaler for use in treatment of respiratory disorders. The inhaler comprises a foil cutter arranged for opening a dry, moisture-tight seal formed by a dose container with tiotropium particles and a seal foil fixed to the container. The tiotropium-containing dose protected from moisture ingress by the moisture-tight barrier seal is loaded in the container using volumetric or electric field dose forming techniques.
Claims15
A pre-metered dry powder inhaler, comprising a dry powder medicament dose and a container, wherein
- the dry powder medicament dose comprises particles of tiotropium and particles of at least one dry excipient;
- the dry powder medicament dose is loaded into said container and is sealed with a seal foil fixed to said container, where said container and said seal foil together form a dry, moisture-tight barrier seal preventing ingress of moisture thereby preserving the dry powder medicament dose;
- the dry powder medicament dose in said container has been formed by either volumetric or electric field dose forming methods;
- and
- the pre-metered dry power inhaler comprises a foil cutter for opening said dry, moisture-tight barrier seal in connection with a user suction.
2 more elements
Dependencies are inferred from the claim text.