individually agreeable and optimal inhalation manoeuvre is adjusted or pre set 2 by pre setting individual parameters different substances may be applied to different desired areas of the lung 3 the release of the active ingredient is made more reproducible 4 the optimal dose of the active ingredient is applied to the desired section of the patient 39 s lung 5 by programming different breathing maneuvers different drugs may be inhaled with one device optimally and individually adapted for each patient 20 6 the inhalation device according to the invention may immediately be updated to new substances new breathing maneuvers and changed respiratory flows 7 in a memory medium 10 such as a smartcard breathing maneuvers in the course of a therapy may be recorded and subsequently evaluated 8 if the patient 39 s pulmonary function changes the inhalation device may easily be re set to the changed basic condition 9 the use of a propellant is not absolutely necessary an exemplary inhalation device that can be adapted for purposes of the present invention is disclosed in u s pat no 5 161 524 to evans the disclosure of which is hereby incorporated by reference evans discloses a breath actuated inhalator having a primary and a secondary air flow conduit the portable dosage inhalator dispenses to a patient a predetermined amount of a pharmacologically active dry powder compound the inhalator includes a housing.