Injection unit which can be coupled to an ampoule, comprises an adjusting element for regulating the ampoule substance concentration

摘要

An injection arrangement (1) which can be coupled to an ampoule, comprises an adjusting element for regulating the concentration of a substance in the ampoule. The adjusting element (2,3) consists of a turn switch (3a,3c), a push switch (3b), a press switch (3d) and/or a dosing button.