The invention relates to a device for producing small particles of a certainsubstance. The device includes first inlet means (4) for a solution or asuspension containing the substance and second inlet means (3) for anatomizing agent. The device further includes mixing means (12) for thesolution and the atomizing agent and outlet means (13) for the particles.First (9, 10) and second (14, 11) conduit means are provided from the first(4) and second (3) inlet means respectively to the mixing means (12).According to the invention the first (9, 10) and second (14, 11) conduit meansmeet each other at the mixing means (12) at an angle of at least 30o. Theinvention also relates to a corresponding method and to use of the device andthe method as well as to particles obtained by the method.