The purpose of this research study is to collect data about the effectiveness (i.e. how the device works) and safety (how safe it is to use such a device) of the Tigertriever in restoring blood flow by removing thrombus (or blood clot) from a large intracranial vessel (blood vessel in the brain) in patients experiencing ischemic stroke within 8 hours of symptom onset.
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Modified Rankin Scale
Timeframe: From enrollment to 90 days post treatment
Primary Effectiveness Endpoint
Timeframe: By the end of the thrombectomy procdure.
Primary Effectiveness Endpoint - mTICI
Timeframe: From time of event to after the first thrombectomy pass.