The end of 1, daily after the operation, need to unload the respiratory flow sensor module and patient pipeline maintenance. The method of high temperature and high pressure is recommended for the disinfection of silica gel tube.  
2, use neutral detergent wipe the surface dirt of the host.  
3, as possible with a plurality of flow sensors, turns in between different patients or long operation time changing to prolong the sensor lifetime. Flow sensor using low flow oxygen to dry, to keep dry. If the water is still not working after removal of water, and the replacement of the sensor and the normal work, the original flow sensor to be scrapped.  
The detection and alarm function 4, anesthesia machine regularly check whether it can work effectively.  
5, indoor disinfection must be away from the anesthesia machine is exposed to ultraviolet light, prevent the accelerated aging pipeline accessories.  
6, monthly on the host ventilator built-in battery is fully charge and discharge time, and recharge, to keep the battery in good performance.