Chimney EndoVascular Aneurysm Sealing Of New Expanded Indication

Inclusion Criteria:

• Adults at least 18-years old

• Subject provided informed consent

• Subject agrees to all follow-up visits

• Abdominal aortic aneurysm (AAA) with maximum sac diameter ≥5.0 cm, or ≥ 4.5 cm whichhas increased by ≥ 0.5cm within the last 6-months, or which exceeds 1.5 times thetransverse dimension of an adjacent non-aneurysmal aortic segment. No AAA <4cm willbe included

• Absence of significant cranial angulation of the visceral vessels that wouldpreclude vessel cannulation and stenting

Exclusion Criteria:

• Requirement of home oxygen

• Psychiatric or other condition that may interfere with the study

• Participating in another clinical drug and/or device study, which could confound theresults of this study (patient must have completed the primary endpoint of anyprevious study at least 30-days prior to enrollment in this study)

• Known allergy or contraindication to any device material, contrast, oranticoagulants

• Serum creatinine level >1.8mg/dL

• CVA or MI within three months of enrollment/treatment

• Prior stent in any target visceral vessel, the aorta or iliac artery that mayinterfere with delivery system introduction or stent placement

• Connective tissue diseases (e.g., Marfan Syndrome)

• Unsuitable vascular anatomy that may interfere with device introduction ordeployment

• Pregnant, planning to become pregnant within 60 months, or breast feeding.