Patent ID: 6135981
Filing Date: 2000-10-24
Classification: A61M

Abstract:
A protective aortic occlusion cannula apparatus for occluding a patient's aorta during open heart surgery, comprising:a) a cannula body having a wall surrounding a lumen, proximal and distal end portions, the proximal end portion being sized and shaped for surgical placement into a patient's aorta;b) two separate and equal sized balloons, the balloons being independently inflatable and deflatable, said balloons being positioned on the distal end portion of the catheter body about the wall;c) the cannula body having channels for carrying fluid to and from the balloons during selected inflation or deflation;d) wherein each balloon can be partially or fully inflated independently of the other for expanding the balloon to engage the patient's aorta; ande) valves for controlling fluid flow in the channels.