A treatment machine for a medical apparatus having inner portions and outer portions, contains a hollow vessel for receiving the medical apparatus, a first treatment system for treating the inner portions and a second treatment system for treating the outer portions. The first treatment system includes: an element for connecting at least one end piece of the medical apparatus to circulate treatment liquid in its inner portion, and the second treatment system includes: at least one spray nozzle for receiving and projecting vigorously at least one pressurized treatment liquid into the volume of the vessel to treat the outer portions of the medical apparatus and the inner surfaces of the vessel by spraying while creating a mechanical and chemical effect, and at least one element for filling the vessel with treatment liquid, to treat the outer portions of the medical apparatus and the inner surfaces of the vessel by immersing.
