The present invention relates to a device for the administration of injectable products with controlled flow rate, with a container (23) in the form of both a syringe and an ampoule preloaded with the injectable product, an injection port (25) and a control valve (21, 41, 61, 81, 91) for controlling the outlet rate and pressure arranged between the injectable product and the injection port (25), with means for varying the outlet flow rate depending on the pressure applied during the administration of the injectable product, such administration being moderated by means of closing the valve (21, 41, 61, 81, 91) when the pressure exceeds a predetermined limit, and means for preventing the backflow of fluids during the administration of the injectable product. The valve (21, 41, 61, 81, 91) can be positioned both in the container (23) and at an injection end (27) including the injection port (25) which is coupled to the container (23).