Friday, February 24, 2012

Wirelessly powered medical implant propels itself through the bloodstream

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Developing implants capable of traveling through the bloodstream not only requires an energy source to power the device's medical functions, but also its propulsion system - something that today's batteries are unable to deliver in a form factor that is small enough to fit inside arteries.

The obvious approach would be to remove the battery from the device altogether and look to wireless electromagnetic power delivery. This is just what many scientists have been working on for fifty years.

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