Sputum suction device is mainly electric multifunctional negative pressure sputum suction device and simple manual sputum suction device, the operation end needs to connect sputum suction tube or sponge sputum suction tube before use.

Commonly used electric suction device has a power switch and a manual switch, the use of negative pressure principle for sputum suction and oral care, simple to learn. It is used for routine sputum aspiration of the casualty.

A sputum aspirator is a device that helps the patient draw sputum that is stuck in the throat