A pacemaker is a small device that doctors place in people with an abnormal heartbeat.

VOA: special.2010.06.02

It's a device called a deep brain stimulator, developed by a company called Medtronic, and it looks like a pacemaker that's implanted inside your body.

这个装置叫做深部脑刺激器,由美敦力公司研发,看上去像一个植入体内的起搏器

耶鲁公开课 - 生物医学工程探索课程节选

Here is as pacemaker and this pacemaker does the same thing that a heart pacemaker does, it generates periodic electrical signals.

它和心脏起搏器发挥的作用相似,发出周期性的电信号

耶鲁公开课 - 生物医学工程探索课程节选

Buying and implanting a pacemaker costs from five thousand to fifteen thousand dollars.

VOA: special.2010.06.02

He says those studies showed no real difference when a used pacemaker was compared to a new one.

VOA: special.2010.06.29

If a heart beats too slowly, the pacemaker will use electrical signals to help set a normal rate.

VOA: special.2010.06.02