来自《耶鲁大学开放课程：生物医学工程探索 第2集 第2集》

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  Much more sophisticated in terms of the materials that are required
  无论是在所需材料方面
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  and the design thinking that goes behind it.
  还是设计思路上都更具智慧
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  So now somebody can get an artificial hip
  所以现在患者可以使用人造髋关节
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  and they can live for many decades with it
  再活上几十年
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  and have almost full function of that hip over that period of time.
  而且几乎和正常人没一点差别
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  This is an example of a rudimentary brain machine interface.
  这是一个脑机接口界面的示范
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  It's a device called a deep brain stimulator,
  这个装置叫做深部脑刺激器
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  developed by a company called Medtronic,
  由美敦力公司研发
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  and it looks like a pacemaker that's implanted inside your body.
  看上去像一个植入体内的起搏器
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  Here is as pacemaker and this pacemaker does the same thing
  它和心脏起搏器发挥的作用相似
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  that a heart pacemaker does, it generates periodic electrical signals.
  发出周期性的电信号
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  But instead of those signals going to your heart they go into the brain.
  但这些电信号针对的不是心脏而是大脑