Patent ID: 6890349
Filing Date: 2005-05-10
Classification: A61F

Abstract:
1. A system for treating stenosis in a blood vessel comprising: a first expandable stent and a first graft overlying the first expandable stent, the first graft having a first lumen for blood flow and having a first end, a second end, an intermediate portion between the first and second ends, and an opening in the intermediate portion; a second expandable stent and a second graft overlying the second expandable stent, the second graft extending at an angle to the first graft and having a second lumen communicating with the first lumen of the first graft, at least a portion of the second graft extending through the opening in the intermediate portion of the first graft wherein the first stent has a longitudinally extending spine and axially spaced circumferentially extending ribs extending from the spine and the second stent has a longitudinally extending spine and axially spaced circumferentially extending ribs extending from the spine, the ribs of the first stent terminate in spaced apart end portions and the ribs of the second stent terminate in spaced apart end portions, the end portions of the ribs of the first stent interleaving with the end portions of the ribs of the second stent to aid insertion.