Washington State University Mar 4 2026 Washington State University researchers have developed a 3D-printed model of the left side of the heart that contracts and beats, offering the chance for surgeons and medical students to rehearse important heart surgeries on a model that acts like the real thing. The WSU researchers, in fact, did a valve repair on their heart model, using ultrasound imaging and customized sensors attached to the model to show a successful repair. They report on their work