1. Wash your hands, prepare the required items, and check repeatedly to ensure that they are in use.
2. Check the date of the oxygen inhalation tube, check for leaks, connect the oxygen inhalation tube and the humidification bottle, and make a firm connection. Connect the oxygen tube to the mask to ensure that the connection is tight and will not fall off.
3. After adjusting the flow, cover the mouthpiece and nose with an oxygen mask and adjust the tightness. Record the oxygen inhalation time and oxygen flow in time. Observe the state of oxygen inhalation and close it if there is any abnormal state.
4. After reaching the oxygen use time, close it in time, remove the mask, turn off the flow meter, record the time when the oxygen is disabled, and wash your hands.
Yuhuan Shengjiu Mould Co., L