Patent ID: 6926689

Claim:
A method of attaching a vein bypass to an ascending aorta of a heart of a body, comprising: providing a cannula having two balloons and several lumina that are separated from one another, wherein the two balloons include a first dilatable occlusion balloon to be located proximal to the heart and a second dilatable occlusion balloon to be located distally to the heart, and wherein the plurality of separate lumens include a first lumen connected to the first balloon to enable dilation of the first balloon, a second lumen connected to the second balloon to enable dilation of the second balloon independent of the first balloon, and a third lumen that opens to the ascending aorta through an opening on a distal side of the second balloon; connecting the third lumen to an extracorporal blood supply device; inserting the cannula through left ventricle of the heart and upwardly through a valvola aortae of the heart; positioning the two balloons in the ascending aorta such that the two balloons are positioned at a distance from each other along the ascending aorta; dilating the two balloons; attaching a vein bypass at the ascending aorta between the two balloons; and deflating the two balloons and removing the cannula from the body.