Patent ID: 8337540
Filing Date: 2012-12-25
Classification: A61F

Abstract:
1. A method for treating the proximal portion of a main vessel and the opening of a side branch vessel at a bifurcation, comprising: providing a stent having a plurality of rings being connected by links, each ring having a plurality of first peaks and second peaks, and each link having a link distal end connected to a valley and a link proximal end connected to the second peak, the stent having a single distal opening; mounting the stent on a catheter having a long balloon and a short balloon wherein the long balloon and short balloon are positioned side by side within the stent adjacent the stent distal end and both the long balloon and short balloon extend through the single distal opening; advancing the catheter and stent over an RX guide wire while an OTW guide wire is carried by the catheter to the target site; advancing the catheter and stent through the vascular system to a position wherein at least some of the first peaks are aligned with the opening to the side branch vessel, and no portion of the stent is distal to the opening; inflating the long balloon and the short balloon to radially expand the stent so that at least some of the rings appose and contact the main vessel proximal to the bifurcation and the at least some of the first peaks flare radially outwardly into contact with the opening to the side branch vessel and extend into and contact the opening of the side branch vessel so that the opening to the side branch vessel is not blocked by any portion of the stent; and deflating the long balloon and the short balloon and withdrawing the catheter from the vascular system.