FIG 1. Angioscopic observation with distal protection (A) with PercuSurge GuardWire and (B) with the Parodi Antiemboli System. CCA signifies common carotid artery; ICA, internal carotid artery; ECA, external carotid artery; PS, PercuSurge GuardWire; FC, fiber catheter AS-003 with aspiration catheter; PAES, Parodi Antiemboli System.