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Cardiac pacemakers are battery-dependent, where the pacing leads are prone to introduce valve damage and infection. In addition, complete pacemaker retrieval is necessary for battery replacement. Despite the presence of a wireless bioelectronics device to pace the epicardium, surgeons still need to implant the device via thoracotomy, an invasive surgical procedure in health care that necessitates wound healing.

Shaolei Wang and a research team of scientists in bioengineering, microbiology, and cardiology at the University of California, Los Angeles, devised a biocompatible wireless microelectronics device to form a microtubular pacemaker for intravascular implantation and pacing. Their work has been published in Science Advances.

https://medicalxpress.com/news/2023-11-team-implantable-wireless-cardiac-pacemaker.html