Atomizer for a ventilation machinewith a ventilator (100), comprising a body (1, 2)with a first connection (10) for connecting theatomizer to a ventilator (100) and a secondconnection (31) for connecting the atomizer to aline (103) leading to a patient, wherein the bodyforms a flow channel from the first connection(10) to the second connection (31)； and anatomizing device (3) for atomizing a fluid；characterized in that the atomizing device (3) is disposedbetween the first connection (10) and the secondconnection (31) in the flow channel and adaptedso that the fluid can be atomized substantiallyparallel to, and preferably in, the flow directionfrom the first connection to the second connection.
