Vest type oscillating expectoration machine 

Whole Chest Oscillating Expectoration Machine: Through high-frequency oscillating airflow, it repeatedly and gently taps the patient's chest to cause the viscous secretions in the respiratory tract to resonate, fall off, and gather, stimulating the patient to cough, thereby achieving the effect of phlegm discharge. There are pneumonia, bronchitis, etc. The Oscillating Expectoration Machine can eliminate secretions and sputum caused by bronchitis, relieve synovial muscle spasm in bronchitis, eliminate edema, reduce obstruction, and increase blood oxygen concentration. The Expectoration Machine promotes smooth breathing and strengthens patients. Comfort.