Patent ID: 6251094
Filing Date: 2001-06-26
Classification: A61M

Abstract:
A balloon dilation catheter for use in a blood vessel having a lesion, comprising:a catheter tube having an axis;a balloon disposed about a portion of the catheter tube, the balloon having two ends and a working length therebetween, each end including a tapered portion, each tapered portion being attached to the catheter tube, the balloon being inflatable from a collapsed conformation, wherein the working length and at least a portion of each tapered portion are substantially flattened, to an inflated conformation;a tapered portion of the balloon in the collapsed conformation defining an edge, the edge defining an acute angle relative to the axis of the catheter tube;the same tapered portion of the balloon in the inflated conformation defining an acute angle relative to the axis of the catheter tube, the angle being of substantially the same measure as that defined by the edge when the balloon is in the collapsed conformation.