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Heartbeat-powered pacemaker may pave way for self-sustaining devices

A triboelectric nanogenerator–supported pacemaker shows efficacy in a preclinical swine study.

  • By

  • Andrea Surnit

  • August 24, 2026

  • 4 min

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  • 1

    A leadless intracardiac pacemaker powered by energy harvested from cardiac motion was developed in a preclinical study.

  • 2

    The device incorporates two triboelectric nanogenerators that convert heartbeats into electrical energy.

  • 3

    In vivo testing showed that the TENG system could increase heart rates while maintaining stable electrical capture.

  • 4

    The device demonstrated a volumetric power density of 277 μW/cm³, exceeding previously reported implanted nanogenerators.

  • 5

    Chronic evaluation in one swine showed stable cardiac function without significant complications after 4 weeks.

Original Source(s)

Heartbeat-powered pacemaker may pave way for self-sustaining devices

  • by Andrea Surnit

  • August 24, 2026

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