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Treatment results (saccular aneurysms). Preimplantation (A1, B1, C1) and 3-month follow-up angiography (A2, B2, C2) and microscopic photography (A3, B3, C3) of saccular aneurysms treated with a single HPS (A), double overlapping HPSs (B), and flow diversion (C). Note complete aneurysm occlusion after double HPS placement and flow diversion. For reference, the diameter of the device wire measures 53 μm.
