Drug injection device with cartridge holder automatically operating clutch allowing reset of drive mechanism and drive spring re-loading upon cartridge exchange
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Drug injection device with cartridge holder automatically operating clutch allowing reset of drive mechanism and drive spring re-loading upon cartridge exchange
Drug injection device with cartridge holder automatically operating clutch allowing reset of drive mechanism and drive spring re-loading upon cartridge exchange
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机译:带有药筒保持器的药物注射装置可自动操作离合器,从而在更换药筒时复位驱动机构并重新加载驱动弹簧
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摘要
The present disclosure relates to an injection device for setting and dispensing of a dose of a medicament, the device comprising:an elongated main housing to accommodate a cartridge filled with the medicament and defining an axial direction,a piston rod arranged inside the main housing and extending in axial direction along a first axis to operably engage with a piston of the cartridge,a reset member axially displaceable inside the main housing between a proximal operating position and a distal reset position along a second axis radially offset from the first axis to switch the device between a reset mode and an operating mode,a cartridge holder releasably attachable to a distal end of the main housing on the first axis to accommodate a distal end of the cartridge, wherein the cartridge holder comprises a sidewall portion with a radially outwardly protruding lock member to axially engage with the reset member located radially adjacent the cartridge holder.展开▼