Leon is a personal anesthesia work station that comes with proven ergonomic design and hygienic concepts. Leon comes with top technology and provides optimum support. Leon can be used during the initiation or during course of operation for diagnostic purposes. Some of the features of Leon include pneumatic ventilator drive, absorber change during operation, rebreathing ventilation performance up to the standard of an intensive ventilator, classical gas mixture via flow tubes, ventilation technology to care for patients of any age, patient system designed for efficient preparation and most easy assembly and ventilations modes such as IMV, SIMV, PCV, Man. Spont. (Optional SPCV, PSV, HLM).