Zepu High Frequency Chest Wall Osci費請llation expectoration instrume話腦nt consists of pneumatic pulse g街為enerator, inflatable hose, inflatable綠花 vest and emergency stop switch. 高空The pneumatic pulse gener國雪ator inflates and deflates the ves動些t reciprocally at high spee城快d through two a城技ir guide hoses connected to說物 the inflatable vest (or chest bel林志t). The act of coughing.

The high-frequen外也cy chest wall oscillation ex但要pectoration instrument simulat人長es the chest wall oscillation caused山機 by coughing, relaxes an到慢d liquefies the mucus and metabol他城ites on the surfa呢爸ce of the mucous membr低放ane of the expiratory tract, 關風makes it smaller and樹鐘 looser and falls爸間 off. When the sputum m很樹oves from the bronchi西微 to the main trachea, It is ex舞工creted from the body by co站鄉ughing or artificial su林個ction, so as to achieve the therapeuti藍從c effect.