Patent ID: 6923787

Claim:
A balloon catheter, comprising: an outer tubular member having a distal end region; an inner tubular member disposed within the outer tubular member, the inner tubular member having a distal end region That extends distally from the distal end region of the outer tubular member; a balloon having a proximal portion and a distal portion, the proximal portion being attached to the distal end region of the outer tubular member and the distal portion being attached to the distal end region of the inner tubular member; wherein the distal portion of the balloon defines a distal waist having a distal waist length; and a tie layer defined by a heat shrink tubular member that is disposed between the distal waist of the balloon and the distal end region of the inner tubular member, the heat shrink tubular member being heat shrunk to the inner tubular member and being thermally bonded to the distal waist of the balloon, the tie layer having a length that is substantially the same as thd distal waist length.