Patent ID: 6979342

Claim:
A balloon catheter, comprising: a) an elongated shaft having a first lumen, a second lumen, a proximal shaft section, and a distal shaft section which has the second lumen extending therein; b) a balloon on the distal shaft section, having proximal end, a distal end, and an inflatable interior in fluid communication with the first lumen of the shaft, with at least a portion of the distal shaft section extending within the inflatable interior of the balloon; and c) a multilayered distal tip member secured at a distal end of the catheter to define a third lumen in fluid communication with the second lumen of the shaft, and having a proximal end located distal to the inflatable interior of the balloon, a first layer formed of a polyimide first material and a second layer formed of a polymeric second material which is different than the polyimide first material.