Safety and Efficacy Study Of The Thoracic Aortic Stent Graft System Treating Aortic Dissection

Inclusion Criteria: * Age 18 to 80 years; * Subject or legal representative is able to understand the purpose of study, agrees to comply with protocol requirements and has provided written informed consent； * Subjects who are diagnosed with Stanford type B aortic dissection requiring reconstruction of the left common carotid artery and left subclavian artery or requiring reconstruction of the left subclavian artery; * Appropriate access to the femoral artery, iliac artery, brachial artery, etc. that can be used for endoluminal aortic therapy. Exclusion Criteria: * The same surgery requires intervention for other vascular lesions； * History of surgery in the aortic arch or endovascular repair surgery; * Severe stenosis or calcification or distortion in the anchoring area of the proximal end of the stent; * Subjects with severe liver, kidney failure； * Subjects with severe coagulation disorders； * Female subjects who are pregnant, lactating within the study period or unable to contraception during the trail. * History of allergies to anesthetics, contrast agents or the material of stent/ deliver system； * Inability to tolerate anesthesia； * History of acute myocardial infarction, cerebral infarction or cerebral hemorrhage within 3 months before surgery; * Subjects who have participated in any other drug or medical device clinical investigations and haven't reach the primary endpoint. * Subjects with acute systemic infection * Other circumstances judged by researchers that are not suitable for enrollment .