According to the American Heart Association, out of every thousand births, at least eight babies will be born with a type of congenital heart defect; luckily, most of these are considered mild. At the Heart Institute at Children's Hospital Los Angeles (CHLA), the doctors deal with all levels of congenital heart defects. Nate Yamane was born in June 2015 and had trouble breathing shortly after birth, due to a congenital heart defect. Doctors had to insert a special stent into the narrowed section of Nate's narrowed left pulmonary artery. Stents normally don't come that small, but Pediatric Interventional Cardiologist Dr. Frank Ing, chief of the Division of Cardiology and co-director of the Heart Institute at CHLA, was able to develop a technique to modify it to fit Nate, thanks to a 3D printed heart model. Read more at 3DPrint.com: https://3dprint.com/164589/3d-printe...diatric-stent/