Dry powder inhaler

A dry powder inhaler 1 comprising a container 7 for storing a powdered medicament, a deagglomerator 25 with a vortex chamber 26 located at an end of an inhalation channel 8 which is connected to a mouthpiece 4, and a metering device 14 comprising a shuttle 16 having a dosing recess 15. The shuttle 1...

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Main Authors Stuart Robert Abercrombie, Marco Di Castri, Donal Joseph Taylor
Format Patent
LanguageEnglish
Published 02.10.2024
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Abstract A dry powder inhaler 1 comprising a container 7 for storing a powdered medicament, a deagglomerator 25 with a vortex chamber 26 located at an end of an inhalation channel 8 which is connected to a mouthpiece 4, and a metering device 14 comprising a shuttle 16 having a dosing recess 15. The shuttle 16 is movable between a filling position, in which the dosing recess 15 is in alignment with an opening 17 of the container 7 (Fig 2A), and an inhalation position, in which the dosing recess 15 is in alignment with the vortex chamber 26 (Fig 2C). The opening 17 of the container 7 is elongated along a major axis (Y-Y, Fig 9) and the dosing recess (15) is elongated along a main axis (X-X, Fig 9). When the shuttle 16 is in the filling position, an edge (27, Fig 9) of the opening 17 of the container 7 encloses the dosing recess 15. Also disclosed is a pharmaceutical composition, in the form of a powdered medicament suitable for administering using such an inhaler, the composition preferably comprising one or more phosphodiesterase-4 (PDE-4) inhibitors; preferably tanimilast.
AbstractList A dry powder inhaler 1 comprising a container 7 for storing a powdered medicament, a deagglomerator 25 with a vortex chamber 26 located at an end of an inhalation channel 8 which is connected to a mouthpiece 4, and a metering device 14 comprising a shuttle 16 having a dosing recess 15. The shuttle 16 is movable between a filling position, in which the dosing recess 15 is in alignment with an opening 17 of the container 7 (Fig 2A), and an inhalation position, in which the dosing recess 15 is in alignment with the vortex chamber 26 (Fig 2C). The opening 17 of the container 7 is elongated along a major axis (Y-Y, Fig 9) and the dosing recess (15) is elongated along a main axis (X-X, Fig 9). When the shuttle 16 is in the filling position, an edge (27, Fig 9) of the opening 17 of the container 7 encloses the dosing recess 15. Also disclosed is a pharmaceutical composition, in the form of a powdered medicament suitable for administering using such an inhaler, the composition preferably comprising one or more phosphodiesterase-4 (PDE-4) inhibitors; preferably tanimilast.
Author Marco Di Castri
Donal Joseph Taylor
Stuart Robert Abercrombie
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Snippet A dry powder inhaler 1 comprising a container 7 for storing a powdered medicament, a deagglomerator 25 with a vortex chamber 26 located at an end of an...
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SubjectTerms DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY
DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
Title Dry powder inhaler
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