Because the human heart requires only a small amount of electrical stimulation, researchers were able to shrink their ...

The mini pacemaker device does not have a separate battery. Instead its body functions as a simple type of battery called a ...

This makes it easily injectable, even for the smallest of patients. The pacemaker was designed to help treat congenital heart ...

infrared light-activated switch installed on the battery’s opposite side. From left to right: Traditional pacemaker, leadless pacemaker, and new bioresorbable pacemaker. Credit: John Rogers ...