Patent ID: 6129707
Filing Date: 2000-10-10
Classification: A61M

Abstract:
A balloon catheter comprising:a) an elongated catheter shaft having proximal and distal ends, a port in the distal end, a guidewire lumen extending at least within a distal portion of the catheter shaft to and in fluid communication with the port in the distal end and an inflation lumen extending through the catheter shaft to a location spaced proximal to the distal end;b) a balloon on the distal portion of the catheter shaft having an interior chamber which is in fluid communication with the inflation lumen and a distal skirt;c) a inner tubular member extending through the interior chamber of the balloon, having the distal balloon skirt secured to the exterior of the inner tubular member and having an expanded portion extending beyond the distal skirt of the balloon which has outer transverse dimensions greater than outer dimensions of the distal skirt of the balloon.