CARTRIDGE SYSTEM FOR RECEIVING A DOSE SENSING MODULE

The present invention provides a cartridge system (30) for a drug delivery device, comprising a drug cartridge (20) comprising a cartridge body (21) extending along a reference axis between a distal outlet end portion and a proximal rim (21.2), and a displaceable piston (22) arranged in the cartridg...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	Helbo, Janus
Format:	Patent
Sprache:	eng
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 provides a cartridge system (30) for a drug delivery device, comprising a drug cartridge (20) comprising a cartridge body (21) extending along a reference axis between a distal outlet end portion and a proximal rim (21.2), and a displaceable piston (22) arranged in the cartridge body (21) an axial distance from the proximal rim (21.2), an outer cavity (29) thus being formed between the displaceable piston (22) and the proximal rim (21.2), and a guide element (60, 90) comprising a main guide body (61, 91), and a rim interface member (62, 92) adapted to abut or engage the proximal rim (21.2) and thereby cover the proximal rim (21.2) at least partially. The main guide body (61, 91) extends between a first main guide body end (61.1) bordering the rim interface member (62, 92) and a second main guide body end (61.2) and defines a passage for a sensor unit.