Researchers have developed a piezoelectric device that when implanted in the body onto a constantly moving organ is able to produce enough electricity to run a pacemaker or other implantable device.

The new device has nanoribbons that are made of lead zirconate titanate — they are covered by flexible, biocompatible plastic, as are the other two main parts: an integrated rectifier and a rechargeable battery.

The device is sewn directly onto the heart, lung or diaphragm — all parts that are in constant motion — as the body parts move, they cause the ribbons to bend slightly, which in turn causes the creation of a small amount of electricity.

Thus far, the devices have been tested on cows and other large animals—the team reports that they are able to create enough electricity to power a pacemaker or other implantable device indefinitely.

Via Phys.Org.