“artificial pacemaker”簡單造句，artificial pacemaker造句子

Fitting the body of an artificial pacemaker is fairly easy. Fitting the leads, though, can be tricky; impossible, even, in some patients.

MILLIONS of people around the world benefit from having artificial pacemakers implanted into their chests, to help restore a normal heartbeat.

His findings led to the artificial pacemaker and, in the 1980s, the implantable defibrillator, spawning the multibillion dollar "heart-rhythm management" industry.