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%)
Parameters:
Vacuum after 1 minute at 20kPa vacuum:    ≥ 15kPa
Vacuum after 6 times suction:                      ≥ 20kPa
Vacuum (max):                                             74kPa(550mmHG)
Free airflow:                                                 Peak ≥20L/Min
Disposable container volume:                      300ml
External diameter of cap (suction port):       17mm
External diameter of catheter connection:    17mm and 9mm 
Adjustment:                                                  Turn to  50%  or 100%.
Operating environmental temperature:         -20℃ to + 50℃
Storage environmental temperature:            -40℃ to + 60℃
Height of container and external diameter of bottom:  130mm and 70mm
Net Weight:            230grams