| abstract |
Pen-type drug injection device (1) and attachable electronic add-on monitoring module (2) for monitoring and logging dose setting and administration, the module comprising a housing, an electromechanical switch arrangement (110), the electromechanical switch arrangement comprising a main body (111) and a switching member (113), the switching member having a protrusion (118) arranged to protrude from the main body so as to contact a surface of the injection device while the module is attached to the injection device, and a biasing member (115) biasing at least a part of the main body of the electromechanical switch arrangement against the injection device while the module is attached to the injection device. |