Drug delivery device and cartridge to be interconnected therewith

摘要

The present invention relates to a drug delivery device for setting and dispensing a dose of a medicament, comprising: - a body (12) to accommodate a drive mechanism (25) having a piston rod (27), - a cartridge (30) having a barrel (32) sealed by a piston (42) slidably displaced therein along an axial direction (11, 13), - wherein the cartridge (30) is directly connectable with the body (12) by way of an interface (48), and - wherein the barrel (32) comprises at least one radially extending portion (34, 46) at its outer periphery to cooperate with at least one further functional component (18; 30) of the device.