TKR-300B computerized jet ventilator is a normal ventilating device with the best performance and being widely used in clinical among the same grade high-frequency ventilators. The device chooses modern technique of hardening tube so as to decrease mechanic dead cavity and improve re-showing of parameter, being widely used for narcosis, respiration, medicine, surgery and pediatrics and burning on ventilation management treat and first-aid revival. Feature a .Process ventilation modes controlled by computer, it is good to increase partial pressure of oxygen and decrease the reserve of CO2. b .Digital display adjusted by lightly triggering of frequency, The adjustable range of I/E is wide, with reciprocity function. c .Multi-functional humidifier adaptor suited for connection of ISO and national standard is disposed, The humidifier device is connected to the main frame, which can be used conveniently. Specifications Output power: ≤35VA Power supply: AC220V+22V 50HZ+1HZ Frequency:10 150 breath/min I/E ratio:1:1, 1:1.5 1:5 and inverse ratio SIGH:6 breaths/min, I/E=1:4 Driving Pressure:0 0.30MPa Relative humidity: 80% Temperature: 5-40°C Pressure Regulator Limit:0.35MPa Most jetting volume: ≥1400Ml/time CPAP: ≥ 1.0KPa Oxygen Concentration Adjustable:35% 90% Pressure Atomizer Rate:≤10ml/h Process Ventilation: T=10min,I/E=1:1.5 F(150):F(35)=7:3,infinite cycle Depressing frequency: start from 60breath/min, and then depress the frequency one time every 1 minute till down to 10 breaths/min. Alarm: Alarm with light and sound for no power or no gas Ventilation Mode: HFJV (High Frequency Jet Ventilation), CPAP (Continuous Positive Airway Pressure), HFJV+SIGH(Sigh);Process ventilation, frequency decreasing, Manual Control Mode.