iHub Stent-Graft for Iliac Artery Aneurysms: Safety, Performance, and Effectiveness Study

Inclusion Criteria: Sign the Informed Consent Form (ICF); Are ≥ 18 years of age; Meet at least one of the following criteria for iliac artery aneurysm: 1. Common iliac artery aneurysm ≥ 25 mm in diameter; 2. Aneurysm growth of 5 mm or more within the last six months; 3. Maximum aneurysm diameter exceeds 1 to 1.5 times the normal arterial segment diameter, that is ≥ 25 mm maximum diameter; 4. Saccular aneurysm greater than 20 mm; 5. Abdominal aortic aneurysm with extension into the common iliac arteries of less than 20 mm; Have a previously implanted aorto-bi-iliac stent-graft with branch diameter between 14 and 16 mm; Have iliac/femoral access vessel morphology compatible with vascular access techniques, placement systems, devices, and/or accessories; Are classified as ASA physical status I to III. ASA IV patients may be included if their life expectancy is greater than one year; Are able and willing to comply with follow-up requirements during the 360-day post-implant period. \- Exclusion Criteria: Pregnant women, women of childbearing potential, or breastfeeding women; A dissection, rupture, or complex vascular lesion due to trauma; Need for emergency surgery; Contraindication to angiography; Diffuse atherosclerotic disease in any common iliac artery reducing its diameter to \< 4 mm; Congenital abnormalities where stent placement would obstruct a major artery. Such abnormalities must be assessed prior to treatment; Unstable angina; Class III obesity (BMI ≥ 40 kg/m²) or other clinical conditions that severely limit radiographic visualization of the aorta; Connective tissue disease (e.g., Marfan or Ehlers-Danlos syndrome); Hypercoagulable state; Contraindication to anticoagulation therapy; Acute or chronic renal insufficiency (serum creatinine \> 2.0 mg/dL); Life expectancy of less than one year; Presence of a systemic infection that could increase the risk of endovascular device infection; Known sensitivity or allergy to device materials: expanded polytetrafluoroethylene (ePTFE), fluorinated ethylene propylene (FEP), or nickel-titanium (Nitinol). \-