Novartis AG
Automatic Drug Delivery Device

Abstract:

The invention relates to an automatic drug delivery device (10), in particular automatic drug delivery device, for dispensing a fluid product, in particular a fluid medicament, including: .cndot.a longitudinal housing (104) .cndot.a removable cap (50) .cndot.a syringe assembly (200) .cndot.a drive mechanism (300) .cndot.wherein the loaded drive mechanism is operatively coupled with a safety shield (102) movable within the longitudinal housing (104), .cndot.wherein the safety shield (102) is biased into a proximal position in which it protrudes out of the proximal end of the longitudinal housing (104) in order to cover a needle tip (348) of the injection needle (206), and wherein the safety shield (104) is movable into a distal position in which the injection needle (206) is exposed for injection; .cndot.wherein the longitudinal housing provides an inner receiving component fixed thereto for receiving a syringe holder and providing a predetermined radial and axial position of the syringe holder within the longitudinal housing; .cndot.wherein the syringe assembly is a first syringe assembly and is received within the longitudinal housing by a first syringe holder, wherein the first syringe holder provides an interface between the longitudinal housing and the syringe assembly; and .cndot.wherein the longitudinal housing and receiving component is sized and configured to be able to receive a second syringe holder and a second syringe assembly, the second syringe assembly having a different diameter than the first syringe assembly.