The invention relates to a device for dispensing a fluid product, comprising a lid element (12) that is movable between closed and open positions a strip of blister packs a means for opening the blister packs a first means for moving said blister packs, comprising an indexing wheel (40), and a second means (90) for moving said blister packs, pivotable between non-dispensing and dispensing positions, said indexing wheel (40) being rotatably mounted on said second movement means an arming member (800) for urging said second movement means toward said dispensing position, said arming member being loaded by compressing a spring (50) by opening said lid a locking means (30) for holding said second movement means in non-dispensing position a triggering means (60) actuated by the inhalation of the user in order to release said locking means a sliding carriage (1000) capable of moving between non-indexing and indexing positions, comprising an actuator (1010) engaging with said indexing wheel (40) in order to rotate said wheel when said carriage moves toward the non-indexing position thereof a securing means (900) which is only activated during inhalation, and which secures said carriage (1000) to said lid (12) in order to move said carriage toward the indexing position thereof when said at least one lid element is returned toward the closed position thereof, and for moving said carriage toward the non-indexing position thereof when said at least one lid element is returned toward the open position thereof.Distributeur de produit fluide comportant un élément de capot (12) mobile entre des positions fermée et ouverte, une bande de blisters, des moyens douverture de blister, des premiers moyens de déplacement desdits blisters comportant une roue dindexage (40), des seconds moyens de déplacement (90) desdits blisters, pivotant entre des positions de non-distribution et de distribution, ladite roue dindexage (40) ètant montèe rotative sur lesdits seconds moyens de dèplacement, u