 This is a multi-center, prospective, single-arm observational study to evaluate the real-world efficacy and safety of intra-arterial treatment for acute ischemic stroke patients using Revive SE device on the basis of standardised medical treatment.The device selection before treatment is based upon doctors who are blinded to the protocol. The primary outcomes are reperfusion rate immediately after intervention mTICI score II b and mRS Score at 90 days after intervention. 