A Novel Microcatheter-Delivered, Highly-Flexible and Fully-Retrievable Stent, Specifically Designed for Intracranial Use

Abstract

<jats:p> A new microcatheter-delivered, highly-flexible, fully-retrievable intracranial stent has been developed in order to facilitate the endovascular treatment of wide-necked aneurysms, though it might also prove useful for other intracranial pathology. </jats:p><jats:p> The nitinol stent has radiopaque proximal and distal markers, is available in a wide range of sizes and is as flexible as a micro-guidewire. It is electrolytically detached, allowing retrieval even after full deployment. The stent is compatible with all currently available embolic agents and does not degrade MR images. </jats:p>

A Comparison of Functional and Physical Properties of Self-Expanding Intracranial Stents [Neuroform3, Wingspan, Solitaire, Leo(+), Enterprise]

“…The hemodynamic eff ects of Neuroform and Wingspan are expected to be more or less equivalent but computational fl uid dynamics analysis found more infl uence on intra-aneurysmal blood fl ow for the Wingspan stent [34] . Solitaire was the fi rst fully retrievable and detachable intracranial stent [6] . The stent is more stable than Neuroform3 and less thrombogenic than Leo( + ) in our clinical experience.…”

“…In 2008, a modifi cation of this stent was launched as Wingspan (Boston Scientifi c) with an improved delivery system and an increased intracranial atherosclerotic stenoses is currently limited to Wingspan. Thrombectomy for acute ischemic stroke with Solitaire was anticipated early in the product history and is proving to be very eff ective [6] . The physical features, the dimensions, and the functional characteristics of these implants show major diff erences.…”

Effect of Retrievable Stent Size on Endovascular Treatment of Acute Ischemic Stroke: A Multicenter Study

“…11 This device was at first designed for aneurysms, with a variety of diameters made available to meet the needs of different sizes of intracranial vessels. 12 For mechanical thrombectomy, stents with 4-and 6-mm diameters delivered through 0.021-and 0.027-inch microcatheters, respectively, optimize performance in intracranial large vessels in present day interventional therapy. The Trevo retriever is structurally similar to the Solitaire FR, with a stent cell geometry designed to integrate the clot into the stent for retrieval.…”

Mechanical Thrombectomy With the Solitaire AB Device in Large Artery Occlusions of the Anterior Circulation

“…1,2 In this pilot study, we tested whether the Solitaire AB stent could be used as a novel mechanical embolectomy device for large artery occlusions of the anterior circulation in patients presenting within 8 hours from the onset of an acute ischemic stroke.…”