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 ...

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 ...

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 ...