Each Medtronic Harmony valve is sewn by hand to attach laser-cut pig tissue to the nitinol that makes this minimally invasive heart implant possible. Medtronic’s Harmony transcatheter pulmonary valve (TPV) design is paying off after engineers solved a delivery catheter recall and relaunched the system this year. The Harmony TPV uses pig tissue, … [Read more...] about After recall and relaunch, Medtronic wants to go global with its catheter-delivered Harmony valve