Potain's<unk> A medical<unk> is a suction machine used to remove mucus, blood, and other bodily fluids from a patient. They can be used during surgical procedures but an operating theater is generally equipped with a central system of vacuum tubes. Most<unk>  are therefore portable, for use in ambulances and nursing homes, and can run on AC/DC or battery power. They consist of a vacuum pump, a vacuum regulator and gauge, a collection canister, and sometimes a bacterial filter. Plastic tubing is used to continuously draw fluid into the collection canister. In the past manually operated<unk>  were used such as Potain's<unk>  The contemporary Gomco 4040<unk> A Laerdal portable suction machine with battery and power cord.
Aspirator 
Respirator
Ventilator
Caphosol
Pulmonary bay
Analytical nebulizer
Liquid ventilator
Nasal cannula