| 主权项 |
1. A fluid dispenser device including a body and at least one individual reservoir containing a single dose of fluid, such as powder, opening means being provided for opening an individual reservoir each time the device is actuated, the device including an inhalation piece and an inhalation trigger system that comprises a deformable air chamber that co-operates with said inhalation piece, and a trigger element that co-operates with said air chamber, such that during inhalation through said inhalation piece, said air chamber is deformed and said trigger element actuates said opening means, so that a reservoir is opened by said opening means, said air chamber comprising: a deformable side body; an open first end including a peripheral edge that surrounds an opening forming the inlet of said hollow pouch; and a second end forming the bottom of said hollow pouch; said second end including connection means for connecting said air chamber to said trigger element, said side body being in the form of a bellows comprising a plurality of bellows portions, advantageously six, arranged axially one after another, wherein said bellows-forming side body comprises bellows portions having outside and/or inside diameters that are different. |
