Ring Clips for ICA Aneurysm Protruding Inferiorly: Report of Five Cases

ABSTRACT

The development of more appropriate shapes of aneurysm clips will hopefully enable excellent clipping of most types of difficult aneurysms. The clipping of internal carotid artery(ICA) aneurysms protruding inferiorly is relatively difficult and has the high risk of premature rupture during operation using conventional clips. We report five cases of ICA aneurysms protruding inferiorly in the operative field. All aneurysms were successfully clipped with ring clips without difficulty. Our results suggest that the ring clips rather than conventional clips were appropriate in the ICA aneurysm protruding inferiorly in the operative field.