Patent ID: 6638245
Filing Date: 2003-10-28
Classification: A61M

Abstract:
A balloon catheter comprising:a first elongate polymeric tubular member having an outer surface, a proximal end, a distal end, a lumen extending between said distal and proximal ends, and a radially recessed region near the distal end; a second elongate polymeric tubular member within the first elongate tubular member and having a working lumen and an outer surface defining an annular space between the first elongate tubular member and the outer surface of the second tubular member, said annular space being a fluid supply lumen; and an inflatable member situated within said radially recessed region and not extending beyond the distal end of the first enlongate poloymeric tubular member, said inflatable member when deflated, providing said balloon catheter a substantially constant diameter commencing in a region proximally adjacent to the radially recessed region and continuing across the radially recessed region, and said inflatable member being fluid-connectable with said fluid supply lumen.