Metered Dose Inhaler

A metered dose inhaler (1) for dispensing aerosol doses comprises an actuation housing (2) adapted to receive a canister (4). The canister (4) is configured to move from a rest position to an activation position in which a valve (7) of the canister (4), positioned at a valve end (8) of the canister...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Glace Benjamin, Browne Douglas, Hibbard David, Shears Dana, Owens Dean H, Turner Richard, Jung Benjamin, Robinson Karl Edward, Schmelzer Hans-Peter, St Onge Joseph, Bond Hannah
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING 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 HANDLING THIN OR FILAMENTARY MATERIAL HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS STORING TRANSPORTING
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Beschreibung
Zusammenfassung:	A metered dose inhaler (1) for dispensing aerosol doses comprises an actuation housing (2) adapted to receive a canister (4). The canister (4) is configured to move from a rest position to an activation position in which a valve (7) of the canister (4), positioned at a valve end (8) of the canister (4), is depressed against a bottom portion of the actuation housing such that an aerosol dose is released. The inhaler (1) further comprises a mechanical dose (10) counter comprising an indicator member which is constructed and arrangement to undergo a predetermined count-indicating motion when an aerosol dose is released. Moreover, the inhaler (1) comprises a triggering unit (11) for triggering at least one electrical switch (12) when the canister (4) is moved from the rest position to the activation position whereby an electrical signal is generated. Also part of the inhaler (1) is a processing unit for processing the signal generated by the switch (12) upon being triggered.