PMC

Reconstructed geometries of the stents. A, Neuroform2; B, Vision; and C, Wingspan.

Geometry of a basilar artery saccular aneurysm and parent artery reconstructed from a patient's computed tomographic angiography images.

Geometries of the aneurysm models. U, unstented; N, Neuroform2; V, Vision; W, Wingspan; N2-p, poor deployment double-Neuroform2; N2, double-stent using Neuroform2; NV, double-stent using Neuroform2 and Vision; W2, double-stent using Wingspan; N3, triple-stent using Neuroform2; N2V, triple-stent using two Neuroform2 stents and one Vision stent.

Average out-of-plane vorticity in the dome of the aneurysm models. U, unstented; N, Neuroform2; V, Vision; W, Wingspan; N2-p, poor deployment double-Neuroform2; N2, double-stent using Neuroform2; NV, double-stent using Neuroform2 and Vision; W2, double-stent using Wingspan; N3, triple-stent using Neuroform2; N2V, triple-stent using two Neuroform2 stents and one Vision stent.

Aneurysmal flow patterns on a midplane of the aneurysm. U, unstented; N, Neuroform2; V, Vision; W, Wingspan; N2-p, poor deployment double-Neuroform2; N2, double-stent using Neuroform2; NV, double-stent using Neuroform2 and Vision; W2, double-stent using Wingspan; N3, triple-stent using Neuroform2; N2V, triple-stent using two Neuroform2 stents and one Vision stent.

Aneurysm turnover times (in percent) in the aneurysm models. U, unstented; N, Neuroform2; V, Vision; W, Wingspan; N2-p, poor deployment double-Neuroform2; N2, double-stent using Neuroform2; NV, double-stent using Neuroform2 and Vision; W2, double-stent using Wingspan; N3, triple-stent using Neuroform2; N2V, triple-stent using two Neuroform2 stents and one Vision stent.

Examples of low-level wall shear stress (WSS, in Pascals [Pa]) in the aneurysm models. U, unstented; N, Neuroform2; V, Vision; W, Wingspan; N2-p, poor deployment double-Neuroform2; N2, double-stent using Neuroform2; NV, double-stent using Neuroform2 and Vision; W2, double-stent using Wingspan; N3, triple-stent using Neuroform2; N2V, triple-stent using two Neuroform2 stents and one Vision stent.

Elevated wall shear stress areas (in percent) in the aneurysm. U, unstented; N, Neuroform2; V, Vision; W, Wingspan; N2-p, poor deployment double-Neuroform2; N2, double-stent using Neuroform2; NV, double-stent using Neuroform2 and Vision; W2, double-stent using Wingspan; N3, triple-stent using Neuroform2; N2V, triple-stent using two Neuroform2 stents and one Vision stent. For example, the colored inset shows WSS distribution of the unstented aneurysm model.