A Study in Patients with a Descending TAA or PAU Treated with the E-nya Thoracic Stent Graft System

Inclusion Criteria: * Age between 18 and 85 years * A fusiform focal TAA ≥ 55 mm for females, ≥ 60 mm for males, or ≥ 2 times the diameter of the non-aneurysmal thoracic aorta and/or focal saccular TAA or penetrating aortic ulcer (PAU) * Suitable proximal and distal landing zone in the native aorta * Landing zone of the proximal edge of the fabric distal to the left carotid artery * Landing zone of the distal edge of the fabric proximal to the celiac trunk * Proximal and distal non-aneurysmal neck diameter between 18 and 42 mm * Proximal non-aneurysmal neck length ≥ 20 mm * Distal non-aneurysmal neck length ≥ 20 mm * Thoracic aortic lesion confirmed by thin sliced (≤ 1 mm) CTA with optional three-dimensional reconstruction obtained within 3 months prior to the implant procedure * Patient is able and willing to undergo follow-up imaging and examinations prior to discharge from the hospital, at 30 days and 12 months, and annually thereafter until 5 years follow-up * Patient understands and has signed the Informed Consent Form prior to intervention Exclusion Criteria: * Female of child bearing potential, breast feeding * Access vessels not suitable for endovascular treatment * Significant circular thrombi or calcification in proximal or distal landing zones * Genetic connective tissue diseases (e.g. Marfan syndrome or Ehler-Danlos Syndrome) * Allergies against materials necessary for endovascular repair (e.g. contrast media, heparin, materials of the stent graft) * Systemic o…