DRIVE MECHANISM OF A DRUG DELIVERY DEVICE COMPRISING AN ACCESSORY DRIVE

The present invention relates to a drive mechanism of a drug delivery device and to a respective drug delivery device for setting and dispensing of a dose of a medicament, the drive mechanism comprising: - an elongated housing (12) extending in an axial direction (1, 2), - a piston rod (22) to opera...

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Bibliographische Detailangaben
Hauptverfasser:	GILMORE, Stephen Francis, DRAPER, Paul Richard, MORRIS, Anthony Paul
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:	The present invention relates to a drive mechanism of a drug delivery device and to a respective drug delivery device for setting and dispensing of a dose of a medicament, the drive mechanism comprising: - an elongated housing (12) extending in an axial direction (1, 2), - a piston rod (22) to operably engage with a piston (20) of a cartridge (14) containing the medicament, - a dosing arrangement (31) manually and axially displaceable relative to the housing (12) for setting and dispensing of the dose, - an accessory drive (26) operably engaged with the piston rod (22) to support a manually operated dose dispensing displacement of the dosing arrangement (31).