Stent prosthesis for vascular surgery, particularly in the area of the aortic arch

stent graft for the Vascular surgery, especially for bridging a vasodilatation in the region of the aortic arch, comprising a tubular flexible and radially expandable stent body, on its peripheral surface, preferably at a distance from the front end of the stent body, at least a tear-resistant Thread with under X-rays secured recognizable suture material, the length of a thread several decimeters has.