Anesthesia-respiratory apparatus Orpheus, equipped with a rechargeable battery and a multifunctional trolley, is designed for inhalation anesthesia. The equipment provides for work with adults and children, includes a mode of ventilation of the lungs (auxiliary and forced), provides the highest level of safety for the patient. It has electronic control with numerous user settings. NDA Orpheus supports the function of spontaneous breathing, has an ultra-sensitive trigger, adjustable according to pressure and air flow characteristics. The model provides for the presence of alarms, which can be configured individually (based on the preferences of the doctor and the patient's condition). A sensor is installed in the breathing circuit, which analyzes and transmits information to the monitor about the oxygen concentration in the incoming mixture.