Patent ID: 8801769

Claim:
A bifurcated endovascular graft system comprising: a main body portion of biocompatible material having a proximal end and an opposed distal end, the proximal end comprising a proximal neck portion having an open end the main body portion further comprising: an inflatable cuff permanently secured to the proximal neck portion of the main tubular body portion proximal to the open end of the proximal neck portion; and a non-inflatable expansion member having a generally cylindrical shape secured to a portion of the proximal neck portion of the main tubular body portion between the inflatable cuff and the end of the proximal neck portion, wherein the non-inflatable expansion member comprises expandable rings formed in a zig-zag pattern, and wherein at least some of the expandable rings formed in the zig-zag pattern of the non-inflatable expansion member extend from and beyond the open end of the proximal neck portion and are configured to exert an outward radial force independent of the main body portion; a first bifurcated portion having opposed open ends and secured at the distal end of the main body portion; and a second bifurcated portion having opposed open ends and secured at the distal end of the main body portion.