The invention provides devices and methods for endoscopically cannulating the aorta, right atrium, and other body tissues to establish cardiopulmonary bypass for minimally invasive coronary artery bypass grafting surgery, and for other surgeries. After inserting the suction support through a minimal...http://www.google.ca/patents/US6767323?utm_source=gb-gplus-sharePatent US6767323 - Suction support and method of use