Patent ID: 6830559
Filing Date: 2004-12-14
Classification: A61M

Abstract:
A balloon catheter comprising an outer tube, a balloon, a tip and an inner tube, a proximal portion of said inner tube disposed within the outer tube and a distal portion of said inner tube extending beyond a distal end of the outer tube, the tip, a distal end of the inner tube, and a distal end of the balloon membrane are connected, the proximal portion of the inner tube having an inner diameter in the range of 0.020 inches (0.51 mm) to about 0.035 inches(0.89 mm) and a wall thickness in the range of 0.0005 inches(0.0125 mm) to about 0.008 inches (0.20 mm) and wherein the distal portion of the inner tube having an inner diameter the same as that of the proximal portion of the inner tube and a wall thickness of at least 0.001 inches greater than that of the proximal portion of the inner tube and wherein the tip includes a one-way valve.