Heart-powered pacemaker could one day eliminate battery-replacement surgery

A new power scheme for cardiac pacemakers turns to an unlikely source: vibrations from heartbeats themselves. Engineering researchers at the University of Michigan designed a device that harvests energy from the reverberation of heartbeats through the chest and converts it to electricity to run a pacemaker or an implanted defibrillator.

Energy caught from heartbeats could power implanted devices

Engineers are developing a piezoelectric machine that harvests energy from heartbeat reverberations and converts it to electricity to run implanted devices.

Mon 5 Mar 12 from The Engineer

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