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flag Chinese scientists created a battery-free pacemaker powered by heartbeats, tested successfully in animals.

flag Chinese researchers have developed a capsule-sized, self-powered pacemaker that generates electricity from heartbeats using electromagnetic induction, eliminating the need for battery replacements. flag Created through seven years of collaboration among top Chinese universities, the device uses a magnetic levitation energy buffer to boost efficiency and stability. flag It's designed for minimally invasive catheter implantation and successfully regulated heart rhythms in one-month animal trials. flag Published in Nature Biomedical Engineering, the innovation could enable lifelong operation, reduce surgical risks, and pave the way for similar implantable devices treating other conditions.

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