TKR-500 computerized high-frequency two-sided lung ventilator is a specified device for thorax department, lung department, narcosis department and is often used for respiration management and treatment of special patient. A. Two-loop ventilation system controlled by computer. B. In-phase ventilation can be carried on to the two-sided lung (ill lung or healthy lung) through separation ventilation, and also anti-phase ventilation management and ventilation treatment. C. Two-humidifying-loop can humidify and antibacterial treatment respectively. D. Good quality humidifier adaptor gaining national patent is used for heating or ultrasonic humidifying conveniently. E. Two-loop with monitoring parameter including ventilation frequency, Sigh and Driving pressure also can alarm when no power or oxygen lack. Specifications: ??requency: 10~150 breaths/min ??/E ratio: 1 : 1~ 1 : 3 and inverse ratio ??riving Pressure: 0~0.15 MPa?? ??umidifying rate: No less than 10 ml/h ??larm: Alarm with light and sound for no power or no oxygen for 6 seconds ??PAP: Not less than 1.0 KPa ??EEP: 0~0.5 KPa Oxygen concentration: 40%~90% ??idal volume: 0~1400 ml/time ??ressure Regulator Limit: 0.03 MPa ??entilation Modes: HFJV, CPAP, ProI and ProII ventilations; HFJV+SIGH, HFJV+PEEP ventilation and so on