Patent ID: 9179998
Filing Date: 2015-11-10
Classification: A61F

Abstract:
1. An implantable medical device for treating a dissection, the device including: a graft element provided with: at least one first stent ring associated with the first graft section and having a first expanded operating diameter, at least one second stent ring associated with the intermediate graft section and having a second expanded operating diameter greater than said first expanded operating diameter, and at least one third stent ring associated with the third graft section; and the device having a first expanded diameter in which the first, intermediate and third graft sections have substantially the same expanded diameters, the device further having a second expanded diameter in which the intermediate graft section is expanded to said second expanded diameter wherein the second expanded diameter is cylindrical with a generally uniform diameter along the length of the intermediate graft section and greater than the expanded diameters of the first and third graft sections.