The system is called “Heart in a Box” and it increases access to donated hearts by significantly extending the amount of time a heart can be preserved outside the body.

Heart in a Box is pumps warm, oxygenated blood -- from the heart transplant donor -- through the heart the entire time it's in transit. The invention, which you may have seen on an episode of ...

Referred to as the "Heart in a Box," it sends electrical signals to revive the heart, and pumps warm blood through it, allowing it to actually beat outside of the body.