Some electronic circuits have also made their way into the bodies of people in the form of heart pacemakers and cochlear implants.

ECONOMIST: Bioelectronics

Some 20 million Americans now walk around embedded with high-tech gear: artificial hips and knee joints, pacemakers, heart defibrillators and more.

FORBES: Magazine Article

In the late 1950s Lillehei spearheaded the invention of several devices that would save thousands of lives--a safe, reliable bypass machine and, later, several models of pacemakers and heart valves.

FORBES: Brave heart

Last week, the company announced better than expected sales, mostly due to its products that help the heart, such as defibrillators and pacemakers.

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