Stena Aortic Multi-Layer Flow Modulator
A specialized multilayer stent engineered to modulate aortic flow, reduce sac pressure, and stabilize aneurysms without obstructing vital branch perfusion. Designed to reshape hemodynamics in thoracic or abdominal aortic lesions for improved long-term outcomes.
The Stena Aortic Multi-Layer Flow Modulator is an advanced, self-expandable endovascular device engineered to promote controlled blood flow and aortic remodeling in a variety of aortic pathologies. Designed with a multi-layer tubular mesh structure, this stent optimizes laminar flow while providing robust radial support, conformability, and enhanced safety for complex aortic anatomies.
Multi-Layer Tubular Mesh
- Five-Layer Design: The stent is meticulously knitted from a superalloy biomedical wire, forming five distinct layers that distribute wall stress and maintain a stable configuration.
- Flow-Mediated Healing: The mesh’s micro-porosity fosters effective laminar flow within the aorta, supporting progressive thrombosis of the aneurysm sac in aneurysmal disease and enhanced remodeling in dissection scenarios.
Superalloy Wire Construction
- Biocompatibility and Durability: The wire alloy is carefully selected for its high corrosion resistance, fatigue strength, and excellent conformability.
- Self-Expanding Mechanism: Once deployed, the stent exerts controlled radial force to ensure secure apposition against the aortic wall, minimizing the risk of device migration.
Radiopaque Tantalum Markers
- Precise Fluoroscopic Visualization: Tantalum markers at both ends facilitate accurate placement under imaging guidance, ensuring correct proximal and distal landing zones.
- Enhanced Safety: Intraoperative and follow-up imaging are streamlined, enabling clinicians to verify device expansion and position over time.
Flexible Delivery and Locking System
- Sheath Lock Mechanism: The integrated sheath lock prevents premature stent deployment, providing operators with predictable and controlled release.
- Hemostasis Valve: A specialized valve setup ensures minimal blood loss and stable guidewire management throughout the procedure.
Specification | Detail / Value |
Product Name | Stena Aortic Multi-Layer Flow Modulator |
Intended Use | Endovascular management of Thoracic or Abdominal Aortic Aneurysms (TAA/AAA), possible application in certain chronic dissections |
Design | Multi-layer self-expanding stent, woven nitinol mesh conducive to flow modulation |
Material Composition | Medical-grade Nitinol (Nickel-Titanium) in layered braided architecture |
Deployment Mechanism | Self-expanding via sheath withdrawal; no balloon inflation required |
Delivery System | Over-the-wire or integrated introducer system, typically 14–24F (depending on diameter) |
Radial Force | Moderate to high, ensuring stable apposition in aortic walls |
Radiopacity | Integrated radiopaque markers at proximal and distal ends |
MR Compatibility | Conditional up to 3.0T, check labeling |
Sterility | Sterile (EO) |
Single Use | Yes |
Shelf Life | Typically 3–5 years (based on real-time stability data) |
Operating Temperature | 15–40 °C for recommended storage and deployment conditions |
Nominal Diameter Tolerance | ±0.5 mm |
Nominal Length Tolerance | ±5 mm |
Clinical Indications | Aortic aneurysm flow modulation, sac pressure reduction, side branch perfusion maintenance |
Contraindications | Extremely tortuous or calcified aorta that precludes safe placement; known nickel allergy, etc. |
Size-Based Ordering & Product Codes (Maximal Variety)
Outer Diameter (mm) | Stent Length (mm) | Sheath Recommendation | Product Code | Notes |
20 | 60 | ~14F | STNA-MLFM-20-60 | Suitable for mid-range AAA |
20 | 80 | ~14F | STNA-MLFM-20-80 | |
20 | 100 | ~14F | STNA-MLFM-20-100 | |
20 | 120 | ~14F | STNA-MLFM-20-120 | |
20 | 140 | ~14F | STNA-MLFM-20-140 | |
20 | 160 | ~14F | STNA-MLFM-20-160 | |
20 | 180 | ~14F | STNA-MLFM-20-180 | |
20 | 200 | ~14F | STNA-MLFM-20-200 | |
22 | 60 | ~16F | STNA-MLFM-22-60 | |
22 | 80 | ~16F | STNA-MLFM-22-80 | |
22 | 100 | ~16F | STNA-MLFM-22-100 | |
22 | 120 | ~16F | STNA-MLFM-22-120 | |
22 | 140 | ~16F | STNA-MLFM-22-140 | |
22 | 160 | ~16F | STNA-MLFM-22-160 | |
22 | 180 | ~16F | STNA-MLFM-22-180 | |
22 | 200 | ~16F | STNA-MLFM-22-200 | |
24 | 60 | ~16F or 18F | STNA-MLFM-24-60 | |
24 | 80 | ~16F or 18F | STNA-MLFM-24-80 | |
24 | 100 | ~16F or 18F | STNA-MLFM-24-100 | |
24 | 120 | ~16F or 18F | STNA-MLFM-24-120 | |
24 | 140 | ~16F or 18F | STNA-MLFM-24-140 | |
24 | 160 | ~16F or 18F | STNA-MLFM-24-160 | |
24 | 180 | ~16F or 18F | STNA-MLFM-24-180 | |
24 | 200 | ~16F or 18F | STNA-MLFM-24-200 | |
26 | 60 | ~18F | STNA-MLFM-26-60 | |
26 | 80 | ~18F | STNA-MLFM-26-80 | |
26 | 100 | ~18F | STNA-MLFM-26-100 | |
26 | 120 | ~18F | STNA-MLFM-26-120 | |
26 | 140 | ~18F | STNA-MLFM-26-140 | |
26 | 160 | ~18F | STNA-MLFM-26-160 | |
26 | 180 | ~18F | STNA-MLFM-26-180 | |
26 | 200 | ~18F | STNA-MLFM-26-200 | |
28 | 80 | ~20F | STNA-MLFM-28-80 | |
28 | 100 | ~20F | STNA-MLFM-28-100 | |
28 | 120 | ~20F | STNA-MLFM-28-120 | |
28 | 140 | ~20F | STNA-MLFM-28-140 | |
28 | 160 | ~20F | STNA-MLFM-28-160 | |
28 | 180 | ~20F | STNA-MLFM-28-180 | |
28 | 200 | ~20F | STNA-MLFM-28-200 | |
30 | 80 | ~20F or 22F | STNA-MLFM-30-80 | |
30 | 100 | ~20F or 22F | STNA-MLFM-30-100 | |
30 | 120 | ~20F or 22F | STNA-MLFM-30-120 | |
30 | 140 | ~20F or 22F | STNA-MLFM-30-140 | |
30 | 160 | ~20F or 22F | STNA-MLFM-30-160 | |
30 | 180 | ~20F or 22F | STNA-MLFM-30-180 | |
30 | 200 | ~20F or 22F | STNA-MLFM-30-200 | |
32 | 120 | ~22F | STNA-MLFM-32-120 | |
32 | 140 | ~22F | STNA-MLFM-32-140 | |
32 | 160 | ~22F | STNA-MLFM-32-160 | |
32 | 180 | ~22F | STNA-MLFM-32-180 | |
32 | 200 | ~22F | STNA-MLFM-32-200 | |
34 | 140 | ~24F | STNA-MLFM-34-140 | |
34 | 160 | ~24F | STNA-MLFM-34-160 | |
34 | 180 | ~24F | STNA-MLFM-34-180 | |
34 | 200 | ~24F | STNA-MLFM-34-200 | |
36 | 160 | ~24F | STNA-MLFM-36-160 | |
36 | 180 | ~24F | STNA-MLFM-36-180 | |
36 | 200 | ~24F | STNA-MLFM-36-200 | |
38 | 160 | ~24F | STNA-MLFM-38-160 | |
38 | 180 | ~24F | STNA-MLFM-38-180 | |
38 | 200 | ~24F | STNA-MLFM-38-200 | |
40 | 160 | ~24F | STNA-MLFM-40-160 | |
40 | 180 | ~24F | STNA-MLFM-40-180 | |
40 | 200 | ~24F | STNA-MLFM-40-200 | |
42 | 160 | ~24F | STNA-MLFM-42-160 | |
42 | 180 | ~24F | STNA-MLFM-42-180 | |
42 | 200 | ~24F | STNA-MLFM-42-200 | |
44 | 180 | ~24F | STNA-MLFM-44-180 | |
44 | 200 | ~24F | STNA-MLFM-44-200 | |
46 | 180 | ~24F | STNA-MLFM-46-180 | |
46 | 200 | ~24F | STNA-MLFM-46-200 |
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