| http://www.w3.org/ns/prov#value | - A method of removing materials from within a blood vessel comprising the steps of:moving a catheter having an interior through the blood vessel to a preselected portion of the blood vessel near the material to be removed; moving a balloon catheter through the interior of the catheter, the balloon catheter including a balloon at a distal end thereof; inflating the balloon of the balloon catheter wh
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