Thoraflex™ Hybrid IDE Study

Inclusion Criteria: Main Study Group (All patients except Aortic Rupture Patients) * Patient is aged 18 years or over on date of consent * Patient is willing and able to comply with all study procedures and study visits * Patient or their legally authorized representative has given written informed consent to participate in study * Patient satisfies the inclusion criteria for one of the following categories: A - Patient has acute dissection of the aorta or B - Patient has chronic dissection of the aorta or C - Patient has an aortic aneurysm (including connective tissue disorders) A. - Patients with acute dissection of the aorta: •Patient has acute aortic dissection and requires repair or replacement of damaged or diseased vessels of the aortic arch (with or without involvement of the ascending aorta), and the descending aorta requires replacement, or, in the opinion of the investigator, the patient would derive clinical benefit from prophylactic treatment of the descending aorta. B. - Patients with chronic dissection of the aorta: •Patient requires repair or replacement of damaged or diseased vessels of the aortic arch and descending aorta with or without involvement of the ascending aorta due to chronic dissection. And patient satisfies one or more of the following criteria: * Patient has aortic sinus, or ascending aorta, or aortic arch, or descending aorta diameter ≥5.5cm (including if asymptomatic) or * Patient has aorta diameter \<5.5cm and growth rate ≥0.5cm/yea…