A method for closed-chest cardiac surgical intervention relies on viewing the cardiac region through a thoracoscope or other viewing scope and endovascularly partitioning the patient's arterial system at a location within the ascending aorta. The cardiopulmonary bypass and cardioplegia can be induced,...http://www.google.ca/patents/US5961481?utm_source=gb-gplus-sharePatent US5961481 - Systems for coronary bypass procedures
