The WEB Device: A Modern Fix for Wide-Neck Brain Aneurysms

    September 28, 2026

    The WEB Device: A Modern Fix for Wide-Neck Brain Aneurysms

    Brain aneurysms located at vessel junctions (bifurcations) with broad openings—known as wide-neck aneurysms—have historically presented significant treatment challenges. Traditional endovascular coiling carries a risk of coils herniating back into the main blood vessel, while parent-vessel stenting requires long-term blood-thinning medications.

    The Woven EndoBridge (WEB) device offers an innovative intrasaccular treatment designed specifically for complex, wide-neck bifurcation aneurysms.

    How the WEB Device Works

    Unlike traditional stents that line the main artery or coils that fill an aneurysm piece by piece, the WEB device is a single, self-expanding mesh sphere made of fine nitinol wires.

    Navigated directly into the aneurysm sac through a microcatheter, the device expands to match the internal shape of the aneurysm:

    • Intrasaccular Flow Disruption: The dense mesh blocks blood flow from entering the aneurysm sac immediately, reducing pressure on the weakened vessel wall.
    • Endothelial Bridge: The base of the device creates a stable scaffold across the wide neck, prompting natural cell growth (endothelialization) across the opening over time.
    • Permanent Healing: Starved of active blood flow, the aneurysm thromboses and seals off safely, isolated from the circulatory system.

    Key Advantages for Patients

    The WEB device provides distinct clinical benefits for suitable neurovascular candidates:

    1. No Required Long-Term Dual Antiplatelet Therapy: Because the device rests entirely inside the aneurysm sac rather than inside the main artery, patients generally do not require long-term blood thinners, reducing systemic bleeding risks.
    2. Single-Device Efficiency: Many wide-neck aneurysms can be treated using a single WEB implant, shortening procedure times under anesthesia.
    3. Lower Recurrence Risk: The structured mesh prevents coil compaction and aneurysm neck regrowth.
    • Book Online: Visit igeaneuro.com to request a comprehensive diagnostic consultation with our neurovascular team.
    • Call Our Team Today: Speak directly with our dedicated patient care coordinators at (866) 467-1770.