Hospital medical negative pressure system consists of integrated vacuum pump, control system, buffer device and automatic control valve. Because medical negative pressure system is used in hospitals, intensive care units, operating rooms and other places. Usually used for sputum aspiration, obstetrics and removing necrotic tissue/fluid. It depends on whether the vacuum pipeline in this hospital is equipped with a waste recycling filter. General regular equipment factory will be equipped with these devices, if not, it may be pumped into the pump body. It is best to maintain this vacuum pump with safety infrastructure and protective measures. You can search Waco vacuum to find out how to fix it.