. >> at the biomechanical lab, laura is working on a pediatric valve. >> if you can take stem cells you would be used as a prosthetic. >> you 3d print a valve using the patient's own stem cells and it will grow with them. good yes, that's the idea. >> if it works, it will be lifesaving for boys like 9-year-old max page, he's that cute darth vader character. >> we knew max was in trouble. they discovered he had a congenital heart defet. 2012. >> what was an adequate sized connection between the heart and lungs, at three months of aiming, is not adequate -- of age, is not adequate for a seven and a half year old boy. >> for max the valve is artificial, it won't grow with him. when he gets 18 he'll need a valve to match that size body and when he is a full size valve. >> it makes me happy to know woe have somebody else on our side. >> we talked with a family whose child currently suffering from this condition. and they are so excited about what you're doing. in these technologies are so close to a break through, it might sound off in the distance but for us it's our future, it's our realit