The evolution of endovascular surgery is rapidly expanding the armamentarium available for minimally invasive surgical procedures. This is especially true in the area of aortic aneurysm repair. Endoluminal graft development which began over 20 years ago, was limited by the inability to successfully secure a graft to the arterial wall without the aid of sutures. With the development of the balloon expandable stent by Palmaz, newer devices were developed and tested which led to the first clinical evaluation in 1990. Although the overall results from this series were very good, the deployment techniques, as well as the endoluminal grafts, underwent several refinements which greatly improved their later results.(Parodi et al., 1991) Newer advances, including fully supported, bifurcated endoluminal grafts, are continuing to push the envelope of minimally invasive endoluminal bypass surgery even further. Initial studies described herein suggest that a modular, self expanding device may be effective in the treatment and exclusion of aortic aneurysm.

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