Washington: An experimental device that converts energy from a beating heart to provide enough electricity to power a pacemaker has been developed.And scientists believe it could eliminate the need for surgeries to replace pacemakers with depleted batteries as patients could power their pacemakers.In a preliminary study, researchers tested an energy-harvesting device that uses piezoelectricity — electrical charge generated from motion. The approach is a promising technological solution for pacemakers, because they require only small amounts of power to operate, said M. Amin Karami, PhD, lead author of the study and research fellow in the Department of Aerospace Engineering at the University of Michigan in Ann Arbor. Piezoelectricity might also power other implantable cardiac devices like defibrillators, which also have minimal energy needs, he said.
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