DRUG DELIVERY DEVICE INNER HOUSING HAVING HELICAL SPLINE

A dose setting mechanism (4) for a drug delivery device (1) is disclosed. The mechanism comprises an outer housing (40) and an inner housing (44) having an external groove (62) and a helical spline (68). The inner housing helical spline guides a driver (30) to dispense a set dose. A dial sleeve (10)...

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Bibliographische Detailangaben
1. Verfasser:	PLUMPTRE, David
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	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
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Beschreibung
Zusammenfassung:	A dose setting mechanism (4) for a drug delivery device (1) is disclosed. The mechanism comprises an outer housing (40) and an inner housing (44) having an external groove (62) and a helical spline (68). The inner housing helical spline guides a driver (30) to dispense a set dose. A dial sleeve (10) is disposed between the outer and inner housing and is rotatably engaged with the innet housing. When a dose is set, the dial sleeve is rotated and translates away from both the outer housing and the inner housing.