| 摘要 |
The present invention relates to a dose counter device for inhaler that registers when a dose is delivered, adapted to mounted on the distal end of the inhaler (1) , said inhaler ( comprises a canister (6) comprised in an inhaler housing (2) The device is characterised in that the dose counter devi comprises device trigger means provided in an electron circuit on the distal end of the canister, that the electron circuit further comprises an " acoustic sensing means al provided on the distal end of the canister, and in that t force sensing means is adapted to activate the acoust sensing means when a force is applied to the distal end of t canister and in that the acoustic sensing means registers dose deliver when it icks u a sound. |
