Patent ID: 8808358

Claim:
An endograft for a vessel having a vascular branch extending from the vessel, said endograft comprising: a main body having a wall defining an internal surface and an exterior surface and adapted to be placed within the vessel, the wall defining a single lumen at a proximal end and two distal ends, and a main body aperture extending from the interior surface to the exterior surface above the two distal ends; at least one expandable stent secured to said main body; at least one expandable stent secured to each of the two distal ends; and an open tunnel independent of an expandable stent associated with a circumference of said tunnel, said tunnel having a length extending between a mouth and a terminus and sealed to the interior surface of said main body about the main body aperture, said tunnel secured along the length of said tunnel to the internal surface at at least one point to provide fluid communication between the interior surface and the exterior surface through the main body aperture and with the vascular branch in proximity to the main body aperture.