Patent ID: 6796513
Filing Date: 2004-09-28
Classification: A61M,B05B

Abstract:
A nebulizer vial for aerosol therapy, comprising:a tube fed at a first end with compressed air, the tube being constricted at its second end prior to an exit orifice to obtain a venturi effect, the orifice of the tube emerging from the free surface of a solution of an aerosol therapy medicament; a nozzle being concentrically mounted on the second end of the tube such that between the tube and nozzle, there remains an interspace communicating with the solution; a flow breaker device being provided above an orifice of the nozzle; an aerosol exit channel for formed aerosol and a conduit for entry of external air as a result of suction exerted by a patient on the aerosol exit channel; wherein, for diameter parity of the orifice of the nozzle, means are provided for varying the distance between the nozzle orifice and the flow breaker device; said means for varying the distance between the orifice of the nozzle and the flow breaker device comprising a series of interchangeable nozzles of different lengths.