Acute Ischemic Stroke (AIS) is the 5th leading cause of death in the United States. Large vessel occlusions (LVO) are particularly disabling & life threatening. Mechanical thrombectomy with stent retrievers, aspiration catheters or both has been established as an appropriate treatment modality with effective recanalization rates acheived in 58-88% of patients and functional independance in 53-71% of patients. This document provides a synopsis of the current clinical literature and study data specific to products available in the United States for use in mechanical thrombectomy. This category has a number of suppliers with various features available on each system. HealthTrust members have exclusive access to a product features summary profiling these attributes. It can be found within the contract package on the Member Portal. If you do not have access to the Member Portal, contact your local supply chain administrator or HealthTrust Account Manager to request a copy of this document.