The pulsatile capsule controlled by erodible plug was assembled by filling in turn sodium carboxymethyl starch, tablet and plug, then coverd with water soluble capsule cap.

• 在不溶性囊身中依次填入羧甲淀粉钠、速释片、盖塞片,再盖上水溶性囊帽组装成茶碱盖塞控制型脉冲胶囊。