Recently, Xiangyu Medical's flagship pressure therapy series heavyweight product - the Full Chest Oscillation Sputum Expectorator has been granted the national medical equipment registration certificate. The expectoration function of the Full Chest Oscillation Sputum Expectorator is used for airway clearance treatment during external chest manipulation, suitable for patients with difficulty in sputum discharge or incomplete lung expansion caused by mucus blockage, as well as aiding in airway clearance or improving bronchial drainage to collect mucus for diagnostic evaluation. The nebulization function provides a driving source for liquid drug atomization; the negative pressure sputum suction function is used by hospitals for sputum suction for patients.