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The TriVascular Ovation Prime Abdominal Stent Graft System is an implantable device made up of three parts: a main body, and two limbs. The main body is placed in the aorta, and the limbs are then extended from the main body to the iliac arteries (see image at right).
The main body of the stent graft uses two polymer-filled rings to provide seal against the wall of the aorta above the aneurysm, while the metal stent provides fixation of the stent graft to the aorta. The two limbs provide seal below the aneurysm, containing the flow of blood within the graft and relieving pressure on the aneurysm.
The catheter used to deliver the stent graft through the femoral arteries is smaller and more flexible than current commercially available devices. This should allow for easier passage through the arteries and smaller incisions in those arteries.