Inclusion Criteria:  Clinical signs and symptoms consistent with the diagnosis of an acute ischemic stroke eligible for EVT M1 and/or MCA bifurcation arterial occlusion on Computed tomography angiography (CTA) or MRA (Magnetic resonance angiography) of an intracranial vessel amenable to EVT Informed Consent by subject, subject's Legally Authorized Representative (LAR) or anyone approved by the Ethics Committee (EC) and/or regulatory agencies to provide consent on behalf of the subject.  Exclusion Criteria:  Patient having an intracranial occlusion other than M1 and/or MCA bifurcation, especially tandem occlusion and ICA (internal carotid artery) occlusion. Current participation in another investigational device or drug study that has not completed the primary endpoint or that clinically interferes with the current study endpoints Candidates not eligible for EVT based on neurointerventionist and/or neurologist investigators' opinion Pregnancy or lactating subjects