Stryker (Beijing) Healthcare Products Co. Ltd.

A prospective, multi-center, single-arm, open-label, observational, post-market clinical follow-up. The expected duration of the study is 8 years (including up to 5-years' follow-up). Each subject will be followed up per standard of care (SoC) at each study site.

A multi-center, prospective, single-arm, non-randomized, post-market, observational study.
The primary objective of this study is to evaluate the long-term safety and efficacy of the Surpass Streamline Flow Diverter System (FDS) in the treatment of unruptured large and giant (≥ 10 mm) saccular wide-neck (neck width ≥ 4 mm) or fusiform intracranial aneurysms in the internal carotid artery from the petrous segment to the terminus arising from a parent vessel with a diameter ≥ 2.5 mm to ≤ 5.3 mm.