echt

1. As with dr echt 's design , power constraints mean that this approach can be used only for pacing .

与drecht设计一样，携带电量有限，这种方法只能用于调节心律。

2. It is similar to dr echt 's leadless pacemaker , but it uses electromagnetic induction , rather than ultrasound , to stimulate a small implanted receiver , which in turn stimulates the heart .

他的方法与drecht有些类似，但他没有用超声波而是利用电磁感应效应来刺激植入的小型接受器，接受器再刺激心脏。

3. This method also has the advantage that the placement of the receiver allows the pacing of the heart to be very precisely controlled , says dr echt .

这一方法还有一个优点：放入接受器可以准确控制心脏跳动频率。

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