The Glutton ^TM Aspiration Catheter is intended for use in the revascularization of patients with acute ischemic stroke secondary to intracranial large vessel occlusive disease (with the internal carotid, middle cerebral–M1 and M2 segments, basilar, and vertebral arteries) within 8 hours of symptom onset. And it is also used for patients who are ineligible for intravenous tissue plasminogen activator (IV t-PA) or who fail IV-tpa therapy are candidates for treatment.