A human heart destined for transplant lies cradled in a TransMedics Organ Care System. The device can keep a heart warm and beating—and viable for many hours longer than the conventional method for handling donor hearts: immersion in a saline solution and packing in ice.

A human heart destined for transplant lies cradled in a TransMedics Organ Care System. The device can keep a heart warm and beating—and viable for many hours longer than the conventional method for handling donor hearts: immersion in a saline solution and packing in ice.