Systematic Evaluation of Patients Treated With Stroke Devices for Acute Ischemic Stroke (STRATIS) Registry

This is a prospective, multi-center, non-randomized, observational registry of acute ischemic
stroke patients that have or will undergo treatment with the use of a Covidien
market-released neurothrombectomy device (as the initial device used to remove the thrombus)
within 8 hours of stroke symptom onset, at the discretion of the investigator and independent
of participation in this registry. This registry may enroll up to 1000 patients.

Inclusion Criteria:

- Patient or patient's legally authorized representative has given Informed Consent
according to Good Clinical Practices (GCP) and/or IRB and/or local or institutional
policies.

- Patient has experienced an acute ischemic stroke due to large intracranial vessel
occlusion (with associated symptoms) and has been or will be treated with a Covidien
market-released neurothrombectomy device, as the initial device used to remove the
thrombus.

- Treatment within 8 hours of stroke onset.

- Pre-Stroke Modified Rankin Scale (mRS) score ≤ 1 (immediately) prior to stroke onset.

- Pre-treatment National Institutes of Health Stroke Scale (NIHSS) ≥ 8 and ≤ 30.

Exclusion Criteria:

- Concurrent participation in a multicenter randomized study.