Patent ID: 6293920
Filing Date: 2001-09-25
Classification: A61M

Abstract:
A method of delivering oxygenated blood to a patient and occluding the patient's ascending aorta, comprising the steps of:providing a first arterial cannula and a second arterial cannula, the first arterial cannula having an expandable member movable between a collapsed position and an expanded position, the second arterial cannula having a first cavity and a second cavity, the second cavity being sized to receive the first arterial cannula;introducing the second arterial cannula into a patient's vascular system;coupling the first cavity of the second arterial cannula to a bypass system to deliver oxygen rich blood to the patient;infusing the oxygen rich blood into the patient through the first cavity;advancing the first arterial cannula through the second cavity so that the expandable member is positioned in the patient's ascending aorta; andexpanding the expandable member on the first arterial cannula to occlude the patient's ascending aorta.