Intrasaccular devices such as WEB and Contour are advanced minimally invasive treatments used for select brain aneurysms, especially wide-neck aneurysms at vessel bifurcations. These devices are placed directly inside the aneurysm sac through a catheter, without placing stents in the parent artery.
They disrupt blood flow within the aneurysm, promote clot formation, and seal it from circulation while preserving normal vessel anatomy and blood flow safely.
Intrasaccular devices are recommended when aneurysms have high-risk features or cause symptoms due to pressure effects. Symptoms may be subtle or sudden depending on size and location. Early treatment prevents rupture, bleeding, and neurological complications while offering a safer option for complex aneurysms unsuitable for coiling or surgery.
Intrasaccular devices provide a stent-free solution for treating complex aneurysms. They seal the aneurysm from within, reduce rupture risk, preserve parent vessels, and avoid long-term antiplatelet therapy. Patients benefit from minimally invasive treatment, shorter recovery, fewer complications, durable results, and safer management of challenging aneurysm anatomies.
Devices placed inside the aneurysm sac to block blood flow.
Patients with wide-neck or bifurcation aneurysms.
No, these devices work without parent vessel stents.
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