Stena Intracranial Multi-Layer Flow Modulator
A multilayer flow-diverting construct for intracranial aneurysms, redirecting blood flow away from the aneurysm sac while maintaining essential branch perfusion.
The Stent Neurovascular Multilayer Flow Modulator is a multi-layer, self-expandable implant designed to redirect blood flow across intracranial aneurysms or pseudoaneurysms (saccular, fusiform, or dissection). Constructed from nitinol braided wires, this flow-guided device harnesses hemodynamic modulation to promote stable aneurysm occlusion while preserving key vessel branches.
Multi-Layer Braided Nitinol Wires
- Self-Expanding Implant: Adapts seamlessly to the host vessel, delivering gentle but consistent radial support.
- Optimized Flow Modulation: Braided mesh design disperses hemodynamic forces, encouraging gradual aneurysm thrombosis without aggressively blocking perforator flow.
Radiopaque Tubular Stent
- Excellent Visibility: Enhanced radiopacity simplifies device deployment and positioning under fluoroscopic guidance.
- Continuous Vessel Coverage: The robust structure ensures stable wall apposition, helping minimize device migration or incomplete vessel coverage.
StenaⓇ STENT Microcatheter System Compatibility
- Size-Specific Microcatheters: Designed for use with 3.6F or 3.9F microcatheter (outer) and 2.3F internal microcatheter, ensuring precise navigation and stent delivery.
- Pre-Loaded Configuration: The stent is supplied pre-loaded on its dedicated delivery system, streamlining procedural workflow and minimizing device manipulation.
Flexible & Self-Expanding
- Percutaneous Arterial Approach: Minimizes invasive exposure by allowing stent introduction through small-caliber femoral or radial arteries.
- Adaptive Vessel Conformance: The device maintains uniform radial force along irregular or tortuous intracranial segments, preserving branch patency.
Product Specifications
Specification | Detail / Value |
Product Name | Stena Intracranial Multi-Layer Flow Modulator |
Intended Use | Endovascular flow diversion for intracranial aneurysms (saccular, fusiform) or complex neurovascular lesions |
Design | Multi-layer braided nitinol mesh stent, self-expanding, designed to modulate blood flow while preserving side branches |
Material | Medical-grade Nitinol (Nickel-Titanium) |
Deployment Mechanism | Sheath-based retraction or microcatheter system release |
Delivery Catheter Compatibility | Typically 0.027” or 0.021” ID microcatheter (depending on stent diameter) |
Radiopaque Markers | Proximal and distal marker bands for fluoroscopic positioning |
MR Compatibility | MR Conditional (verify labeling) |
Sterility | Sterile, Single Use |
Shelf Life | ~3–5 years, stored at 15–25 °C in sealed packaging |
Clinical Indications | Intracranial aneurysms (small or large/giant), dissecting or fusiform aneurysms, flow diversion in distal vessels |
Contraindications | Extremely tortuous intracranial vessels beyond feasible access, known nickel allergy, insufficient landing zone |
Ordering & Size Matrix
Stent Diameter (mm) | Stent Length (mm) | Microcatheter ID (inch) | Product Code | Notes |
2.5 | 12 | 0.021” | STN-IC-2.5x12-021 | Smaller diameter, short aneurysm coverage |
2.5 | 18 | 0.021” | STN-IC-2.5x18-021 | Extended length for multiple side branches |
3.0 | 18 | 0.027” | STN-IC-3.0x18-027 | Common diameter for medium intracranial vessels |
3.0 | 25 | 0.027” | STN-IC-3.0x25-027 | Longer stent for extended aneurysm neck |
3.5 | 20 | 0.027” | STN-IC-3.5x20-027 | Slightly larger diameter for wide-neck aneurysms |
3.5 | 30 | 0.027” | STN-IC-3.5x30-027 | Extended coverage in more proximal segments |
4.0 | 20 | 0.027” | STN-IC-4.0x20-027 | Larger diameter for cavernous ICA aneurysms |
4.0 | 30 | 0.027” | STN-IC-4.0x30-027 | Extended length for giant aneurysm coverage |
4.5 | 25 | 0.027” | STN-IC-4.5x25-027 | XL diameter for large internal carotid segments |
4.5 | 35 | 0.027” | STN-IC-4.5x35-027 | Maximum coverage for fusiform or dissecting lesions |
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