Device for nasal delivery of fluid product

A device for dispensing fluid product, comprising a dispensing head the axial end of which comprises a dispensing orifice, a reservoir containing a dose of fluid product, a system for generating a flow of compressed gas adapted to generate a flow of compressed gas during actuation, and an intermediate portion connecting said reservoir to said system for generating a flow of compressed gas and comprising actuating means for actuating said device, said reservoir comprising a mobile or deformable portion adapted to expel the fluid product out of said reservoir, said mobile or deformable portion being actuated by said flow of compressed gas generated during the actuation, in a manner such that said flow of compressed gas does not come into contact with said fluid product, said system for generating a flow of compressed gas being formed by an air blaster comprising an air chamber in which an air piston slides, loading means being provided in order to displace said air piston in said air chamber in order to compress the air contained in said air chamber, characterized in that said actuating means comprise a lateral actuating button which is radially displaceable with respect to said dispensing head between a rest position and an actuation position.