Valvulotomy for pulmonary stenosis performed through the main stem of the pulmonary artery utilizing a special ring clamp.
D003251:Constriction, Pathologic; D006801:Humans; D019736:Prostheses and Implants; D011651:Pulmonary Artery; D013510:Pulmonary Surgical Procedures; D011666:Pulmonary Valve Stenosis / Q000601:surgery*
PULMONARY STENOSIS/surgery