PEN-TYPE INJECTOR HAVING AN ELECTRONIC CONTROL UNIT

摘要

An injection device for injection of a dose of a medicament from a medicament cartridge is disclosed. The injection device of the present invention comprises a main housing 4 having an electronic control unit, a cover detection switch 28, and a display panel 10 operative selectively to indicate to the user information relevant to the user. The display panel 10 has an active state in which information is provided to the user and an inactive state in which no information is provided. A cap or cover 6 adapted to cover one end of the main housing 4 of the injection device is provided. When the presence of the cap 6 is detected, the electronic control unit switches the display panel 10 to an active state for a predetermined period of time.