Patent ID: 8328797

Claim:
A method of blood vessel transecting and anastomosis, comprising: inserting a cutting tool into a first blood vessel, the cutting tool including an anvil and a cutting means, the cutting means rotatable against the anvil; manipulating the cutting tool into an open position, the anvil and cutting means separated by a length along a longitudinal axis of the cutting tool; pulling the first blood vessel inward between the anvil and cutting means; cutting the first blood vessel using the cutting tool from within the first blood vessel by rotating the cutting means against the anvil to separate the first blood vessel into a first cut portion and a second cut portion; and fusing the first cut portion of the blood vessel to a second blood vessel to create a flow channel therebetween; further comprising the step of inserting separate catheters into said first and second blood vessels, each of said separate catheters comprising alignment means to align the first and second blood vessels.