Patent ID: 8088100

Claim:
A catheter system comprising a catheter and a catheter balloon, the catheter balloon having at least one waist portion, at least one cone portion having an inner surface and an outer surface, and a working portion, the at least one cone portion extending from the working portion to the at least one waist portion, the catheter balloon being disposed about a longitudinal axis and having an inflated state and an uninflated state, the outer surface of the at least one cone portion having a polygonal shape in cross-section and the inner surface having circular shape in cross-section, the polygonal shape is a three, four or five sided polygon that extends over the entire length of the cone, and the working portion having a circular shape in cross-section, in cross-section the at least one cone portion including sides which intersect to define corners, in the uninflated state the working portion of the balloon comprising wings, each of the wings having a tip which is substantially circumferentially aligned with one of the corners of the conical portion.