Patent ID: 6383212
Filing Date: 2002-05-07
Classification: A61F,A61M

Abstract:
A balloon catheter, comprising:a) an elongated shaft having a proximal end, a distal end, and an inflation lumen extending within at least a section thereof; and b) a balloon mounted on a distal shaft section having an interior in fluid communication with the inflation lumen, and a first section with an inflated outer diameter, a proximal end, and a distal end, and having a length; a first tapered section adjacent the distal end of the first section, tapering at a first angle to an inflated outer diameter smaller than the diameter of the first section, and having a length which is not greater than about 30% of the length of the first section of the balloon; a second tapered section adjacent the proximal end of the first section, tapering at a second angle to an inflated outer diameter smaller than the diameter of the first section, and having a length which is not greater than about 30% of the length of the first section of the balloon; a third tapered section adjacent the first tapered section, tapering at a third angle greater than the first angle to an inflated outer diameter smaller than the diameter of the first tapered section; and a fourth tapered section adjacent the second tapered section, tapering at a fourth angle greater than the second angle to an inflated outer diameter smaller than the diameter of the second tapered section.