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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Bibliographic Details
Main Authors GILMORE, Stephen Francis, DRAPER, Paul Richard, MORRIS, Anthony Paul
Format Patent
LanguageEnglish
French
German
Published 07.04.2021
Subjects
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Summary: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).
Bibliography:Application Number: EP20180207479