Patent ID: 8827954
Filing Date: 2014-09-09
Classification: A61F,A61M,Y10T

Abstract:
1. A method of forming a medical device for treating a bifurcated lumen, the method comprising: providing a balloon system disposed about a distal region of a catheter shaft, the balloon system including a first inflatable portion along a longitudinal axis of the catheter shaft and a second inflatable portion offset from the longitudinal axis of the catheter shaft, the second inflatable portion of including a polymer; and modifying a region of the second inflatable portion of the balloon system to form a first section and a second section in the second inflatable portion, the second section having a greater crystallinity than the first section such that the first section is more flexible than the second section, wherein the second inflatable portion includes a plurality of alternating first and second sections forming a striped pattern, wherein the second section stripes have a width of about 0.1 mm to about 0.5 mm, wherein the striped pattern is formed at an oblique angle to the longitudinal axis of the catheter shaft.