DRY POWDER INHALER WITH A DOSE COUNTER

A dry powder inhalation device (10) is described comprising a housing (330), an advancement mechanism (400), a displacement sensor (430) that advances in association with continuous advancement of the advancement mechanism, and a transfer component (440) that converts the advancement of the displace...

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Bibliographische Detailangaben
Hauptverfasser:	TOBACK, Jonathan D, ROLFS, Bryan E, RUSH, Benjamin L, STEIN, Stephen W, DOMROESE, Michael K, HODSON, Peter D
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CALCULATING COMPUTING COUNTING COUNTING MECHANISMS COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR 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 PHYSICS
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Beschreibung
Zusammenfassung:	A dry powder inhalation device (10) is described comprising a housing (330), an advancement mechanism (400), a displacement sensor (430) that advances in association with continuous advancement of the advancement mechanism, and a transfer component (440) that converts the advancement of the displacement sensor into intermittent motion of a units dose display (450). The displacement sensor has a range of movably engaged positions wherein the displacement sensor movably engages the transfer component, and device further comprises a discrete alignment mechanism (412, 414, 416) capable of moving the displacement sensor backwards to one of a plurality of spatially defined positions that are not within said range of movably engaged positions.