1. Connect the power supply, turn on the switch, check the performance of the suction device, and adjust the negative pressure.
2. After suction, turn off the suction device switch.
3. Put the suction tip into the bowl of saline to wash the residual liquid in the suction tube.
4. Finish, tighten the regulating valve, let the negative pressure reduce to below 0.02MPA, turn off the suction device switch, and clean the reservoir bottle.
The electric suction device is a commonly used medical equipment, which can be used to suction the secretion, blood and other liquids in the patient's body. The backflow device is an important part of the electric suction device and is used to prevent the liquid from flowing backward during the suction process.