A Feasibility Study to evaluate the initial safety and performance of the RapidPulseTM Aspiration System in the treatment of patients with Acute Ischemic Stroke (AIS) due to Large Vessel Occlusion (LVO).

The purpose of this study is to evaluate the initial safety and performance of the RapidPulse Inc. RapidPulseTM Aspiration System as frontline approach for use in the treatment of patients with Acute Ischemic Stroke (AIS) due to Large Vessel Occlusion (LVO). This is a prospective, multi-center, open label study comparing the safety and performance of the RapidPulseTM Aspiration System with non-randomized retrospective controls who otherwise meet the same study inclusion/exclusion criteria. The study will enroll a maximum of 100 participants in the Treatment Arm and a maximum of 200 participants in the Control Arm at in up to 10 centers in Europe and/or Latin America. Subjects data will be collected through hospitalization with a 3 months post-procedure study visit.

Key Inclusion Criteria:

• Age 18 years or older
• Clinical diagnosis of acute ischemic stroke with NIH Stroke Scale (NIHSS) score ≥ 6 with symptom onset (or last seen normal) up to 24 hours
• Large vessel occlusion in the intracranial internal carotid artery (ICA), middle cerebral artery (MCA) M1 or M2 segments, basilar or vertebral artery

Key Exclusion Criteria:

• Evidence of hemorrhage
• Significant mass effect and/or midline shift
• Vessel tortuosity too difficult to allow endovascular access per investigator judgment
• Severe or fatal co-morbidities