Fontus™ Branched Stent Graft System in Surgical Operation is a new generation of surgical operation stent graft mating with Frozen Elephant Trunk technique in open repair of aortic arch replacement research and developed by MicroPort Endovastec™. The most noteworthy is its unique single branched design around the globe which can significantly simplify surgical procedures. Also, the stent graft also impresses with its excellent flexibility given by Nitinol wire ring stent and better leakage prevention given by compact PET material.