Air path system of external counterpulsation device

An external counterpulsation device air path system comprises a first shell, a second shell and an air bag, the first end of the first shell is hinged to the first end of the second shell, and the air bag is installed on the inner side face of the first shell and the inner side face of the second shell; a rotating shaft is arranged in the first shell, the first connecting belt is wound on the rotating shaft, and the free end of the first connecting belt extends out of the outer end of the first shell; a second connecting belt is arranged in the second shell, and the free end of the second connecting belt extends out of the outer end of the second shell; the free end of the first connecting band is connected with the free end of the second connecting band. An air pump, a frequency converter and an air cylinder are omitted, the manufacturing cost of the device is saved, and equipment miniaturization is facilitated. 一种体外反搏装置气路系统，包括第一壳体、第二壳体、气囊，该第一壳体的第一端和第二壳体的第一端相铰接，气囊安装在第一壳体和第二壳体的内侧面；在第一壳体内设置有转动轴，第一连接带卷绕在转动轴上，第一