1. An ablation catheter adapted to be advanced endovascularly to a bifurcation of an internal carotid artery and an external carotid artery comprising: a forceps structure comprising at least two arms configured for user actuation, the first arm configured to engage with a wall of the internal carotid artery delimiting a carotid septum and the second arm configured to be simultaneously engaged with a wall of the external carotid artery delimiting the carotid septum; and an ablation element mounted on at least one arm of the structure, the ablation element configured to ablate at least a portion of the carotid septum.