| 摘要 |
The invention refers to a handheld injection device comprising a housing (10, 20, 30), a piston rod (60), defining a first longitudinal axis (I) and located within the housing (10), a driver (70, 80, 90) coupled to the piston rod (60), a dose setting means (40), which is rotatable during dose setting, a power reservoir (100) for driving the driver (70, 80, 90), and a number wheel (130) for displaying a dose set by the dose setting means (40). |
| 主权项 |
1. A handheld injection device comprising
a housing (10, 20, 30), a piston rod (60), defining a first longitudinal axis (I) and located within the housing (10), a driver (70, 80, 90) coupled to the piston rod (60), a dose setting means (40), which is rotatable during dose setting, a power reservoir (100) for driving the driver (70, 80, 90), and a number wheel (130) for displaying a dose set by the dose setting means (40), wherein the dose setting means comprises a dial grip (40) or dispense button, which comprises a threaded section (42) having an end stop, and wherein the housing (10) comprises a splined section (12), with a last dose nut (50) being interposed between and engaging threaded section (42) of the dial grip (40) or dispense button and the splined section (12) of housing (10). |
