The present invention relates to a medical device for administering a dose of a medicament to a user, comprising:at least one housing component (12),a drive mechanism (18) to be operably engaged with a cartridge being filled with the medicament,at least one electricity-consuming member (24, 26) andan mechanical-electrical transducing means (14) adapted to transduce mechanical energy into electrical energy provided to the electricity-consuming member (24, 26).
