The world’s tiniest pacemaker — smaller than a grain of rice — could help save babies born with heart defects, say scientists. The miniature device can be inserted with a syringe and dissolves after ...

Northwestern University engineers have developed a pacemaker so tiny that it can fit inside the tip of a syringe—and be noninvasively injected into the body. Although it can work with hearts of all ...

Scientists Create 'World's Smallest' Pacemaker. Engineers at Northwestern University in Illinois have developed an ultra-small pacemaker that can be non-invasively injected into the body via a syringe ...