Intended Use:Extraction of foreign bodies and sputum sample liquid in the trachea,Subcutaneous blood,venom extraction,Negative pressure device .

  Features:*Our suction unit is a light portable suction unit, which can be one-hand operation, and let the other hand free to perform other important task of the first-aid

               *Our suction unit is designed to provide simple operation, by the adjustment knob to provide different suction pressure(50% and 100%)