Fig. 5

Schematic Sequential Steps of the Common Carotid Artery Approach for the Circle of Willis Perforation Subarachnoid Hemorrhage Model. Arrows: Yellow: Puncture site. White: 33 gauge needle; Sky blue: 5-0 Nylon mono-filament; Red: Anterior Cerebral Artery (ACA) and Middle Cerebral Artery (MCA) bifurcation perforation site.