EC control should satisfy the order of the body physical situation . The emphasis is that the inflation and deflation time can be regulated accurately which makes the heart from systaltic to diastolic when the counterpulsation wave would emerge .

体外反搏控制要符合人体生理要求，关键是精确地调节充、排气 信号的定时，使心脏从 收缩 转入舒张时反搏波能立即出现。