Mia Gonzalez, a 5 year-old girl received a successful open heart surgery at Miami’s Nicklaus Children’s Hospital after the surgeon used the 3D Printed model of her heart. Mia was suffering from congenital defect, Double aortic arch, which had been misdiagnosed as Asthma. Surgeon Dr. Redmond Burke visualized the whole operation before it could be actually performed.
Soorce: http://fortune.com/2015/10/07/3d-printing-saved-a-5-year-olds-life/