Patent ID: 8104643

Claim:
A fluid dispenser device comprising: a fluid dispenser member, said fluid dispenser member being fastened by a fastener ring on a reservoir; an actuator head that is mounted on said dispenser member, and that is movable so as to actuate said dispenser member; and a removable blocking element that, in its blocking position, prevents the dispenser member from being actuated; said blocking element is assembled to the actuator head and co-operates with the fastener ring, or with an element that is secured thereto, through at least one opening that is provided in the actuator head; in the blocking position, the blocking element extends around said head, at least in part; and the blocking element comprises an open ring or U-shaped structure that includes two blocking projections; and each end of the open ring or U-shaped structure is provided with a breakable element, said head including four openings of which two receive said blocking projections in the blocking position, and two receive said breakable elements in the blocking position before first use.