| 摘要 |
The present invention relates to a Device for a medical delivery device, which medical delivery device comprises a housing (10); a medicament container (22); a canister housing comprising an inhalation opening and means for enabling communication between the inhalation opening and the medicament container; actuating means (26, 27, 30, 32, 34, 72, 74) capable of delivering a dose of medicament, when activated; and activating means capable, upon start of inhalation, to activate said actuating means, said activating means comprising an activating mechanism having at least one enclosure (57), said enclosure having at least one movable wall part (42) and at least one fixed wall part (44), said enclosure being in air flow communication with said inhalation opening, whereby, during inhalation, a pressure drop is created in said enclosure affecting said movable wall to move a certain distance, which in turn activates said actuating means. The invention is characterised in that said movable wall (42) is attached to a movable piston rod (34), which when moved, is capable of activating said actuating means. |
