Patent 7658744 was granted and assigned to Boston Scientific on February, 2010 by the United States Patent and Trademark Office.
A balloon catheter may be provided with multiple balloons. At least one of the balloons may include at least one blade. The multiple balloons may be inflated by a common inflation lumen, or by separate inflation lumens. In some embodiments, a predilation balloon may be provided to predilate a lesion prior to placement of a bladed balloon within the lesion.