Battery-free implantable medical device draws energy from human body

Battery-free implantable medical device draws energy from human body

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Researchers from the Universities of California and Connecticut have created a battery-free medical device that can be implanted in the body and charged using the body’s fluids. Despite advances in technology, batteries are still used within medical devices such as pacemakers, which are potentially harmful and need to be replaced throughout a person’s lifetime via surgery.

The researchers have designed a bio-friendly supercapacitor system that charges up using electrolytes from biological fluids, such as blood and urine. It comprises of a carbon nanomaterial called graphene layered with modified human proteins as an electrode. The system works in tandem with an energy harvester that can convert heat and motion into electricity that is stored in the supercapacitor. Its creators hope this will eliminate the need for batteries within lifelong medical implants, making them safer and more durable.

Innovative medical creations have been at the forefront of technology news of late, including the bra that helps detect breast cancer and the laser-free 3D scanner that could help with medical rehabilitation. What medical innovation do you hope to see on the market next?


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Spotted by Murray Orange, written by Springwise.
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