主权项 |
1. A stent graft comprising a tubular body defined by a tubular wall and comprising a first end and a second end, the tubular wall being formed from a biocompatible graft material, a terminal self expanding stent portion at at least the first end of the tubular body, the terminal self expanding stent portion comprising struts and bends between the struts, only a single three-sided scalloped fenestration provided in the tubular wall at the first end of the tubular body, the three-sided scalloped fenestration including a periphery having a first edge extending from the first end toward the second end, a second edge substantially parallel to the first edge and extending from the first end toward the second end, and a third edge extending between the first and second edges and defining a length from the first edge to the second edge, the periphery extending between a pair of struts, wherein the length of the third edge is greater than at least a minimum distance between any two adjacent struts of the stent portion, and where at least a portion of each of the first and second edges is attached to a strut. |