发明申请
US20130041325A1 DRUG DELIVERY DEVICE 有权
药物递送装置

DRUG DELIVERY DEVICE
摘要:
A drug delivery device comprises a housing and a piston rod arranged in the housing. The piston rod is adapted to be moved along an axial direction to dispense a fluid. A drive member arranged in the housing is operatively coupled to the piston rod and adapted to set up a dose of fluid for dispense in response to a first movement. The drive member is also adapted to move the piston rod to dispense the dose in response to a second movement. The drug delivery device also comprises a pre-dispensing drive member operatively coupled to the drive member and the housing and adapted to move at least the drive member by a pre-dispensing distance between its first and second movement.
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