Patent ID: 7771465
Filing Date: 2010-08-10
Classification: A61F

Abstract:
1. An interventional delivery system for acutely angled branched stent grafts comprising: a first catheter having at its distal end a side branch vessel segment; a second catheter attached around the first catheter and having at its distal end a main vessel segment; a side branch vessel device attached to the side branch vessel segment of the first catheter; a main vessel device attached to the main vessel segment of the second catheter; and a bifurcated guidewire with at least two distal tips which is configured to move slidably within the first catheter, wherein the main vessel device and the side branch vessel device are simultaneously delivered to a treatment site; wherein the first catheter further comprises a crotch which provides a positive stop for maintaining a portion of the side branch device within a sealing sleeve of the main vessel device body to ensure adequate engagement.