MORRIS, Anthony Paul,MARSH, William,JONES, Matthew,BUTLER, Joseph,PLUMPTRE, David Aubrey,VEASEY, Robert
申请号:
HK16102616.2
公开号:
HK1214549A
申请日:
2016.03.08
申请国别(地区):
HK
年份:
2016
代理人:
摘要:
An injection device includes a housing containing a cartridge containing a medicament and a movable bung. The housing includes an inner thread. The injection device includes a piston rod for moving the bung during dose dispensing. The piston rod includes an outer thread engaging the inner thread of the housing a bearing at its end facing the bung. The injection device further includes a driver coupled to the piston rod for driving the piston rod during dose dispensing. In the unused delivery state of the device, the bearing abuts the bung. The invention further refers to an assembly method for such an injection device.