The equipment has a gas supply source, and a contact unit for permitting gaseous flow to be in contact with a corporeal zone to be treated. A tank contains active principle that interacts with carrier gas delivered by the supply source in a nebulization chamber or bubbler, where the active principle is in gaseous, liquid or solid phase. An envelope delimits an enclosure for delimiting a treatment volume to receive the corporeal zone to be treated. The envelope comprises end fittings (2, 3) for gas inlet and outlet.
