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INT Medical Iliac Vein Stent System

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INT Medical Iliac Vein Stent System

Product Code: CE-2762

Grency Branded Tapered Venous Stents with Oblique Flared End and Close-Open-Close Cell Geometry, Repositionable Before Release

The INT Medical Iliac Vein Stent System is a dedicated venous stent from INT Medical, designed for iliac vein outflow obstruction where an arterial stent would be unsuitable. Featuring an oblique flared proximal end for the iliocaval confluence, gradual tapering across eight diameter pairings from 10 to 18 mm, a close-open-close composite cell structure and repositionable deployment on 800 mm and 1200 mm delivery systems, it addresses venous anatomy directly. Available through Medigear.uk.

Sections

Coronary Stent Systems

Categories

Cardiology Equipment

Condition

New

Origin

China

Seller Type

Certified Professional Seller

CE & ISO Certified

Global Shipping

Supplier: Medigear

Veins are not arteries, and a stent built for one behaves badly in the other. Venous obstruction is usually compression rather than plaque, the vessels are larger, the walls are thinner, and the pressure holding them open is a fraction of arterial pressure. A stent has to resist being squashed rather than resist elastic recoil.

This range is built for that. Eight diameter pairings run from 10 mm to 18 mm, and half of them taper. Tapering matters because the common iliac vein is wider than the external iliac below it, so a single diameter either undersizes above or oversizes below. A 16- to 14-mm stent follows that reduction rather than fighting it.

Four further design points are stated. The proximal end is oblique, which lets the stent reach the confluence with the vena cava without extending across the opposite iliac vein. That end is also flared, improving apposition where the vessel widens. The cell structure is described as close-open-close, meaning closed cells at each end for radial force and apposition with open cells between them for flexibility, which suits a stent crossing the hip joint. Most usefully, the stent is repositionable and retrievable, so placement at the confluence can be corrected rather than committed to on the first attempt. Two delivery lengths at 800 mm and 1200 mm cover femoral and more distant access routes such as the popliteal or jugular vein.

The absence of an 18 to 18 mm straight configuration is worth noting, since the largest diameter is offered only in a tapered configuration. Medigear.uk supplies the range to UK vascular services.

Blood leaves the leg through the iliac veins, and anything narrowing them backs pressure up into the limb. Two causes dominate. The right common iliac artery crosses over the left common iliac vein and can compress it against the spine, which is common enough that many people have some degree of it without symptoms. The other is scarring left behind after a deep vein thrombosis, where the clot organises into fibrous webs that never fully clear.

Either way the result is the same. The leg swells, aches and feels heavy, and in severe cases the skin breaks down into venous ulcers that heal poorly while the pressure persists. Compression stockings help symptoms without addressing the cause. Opening the vein does address it, and stenting has become the standard way to keep it open, since a vein squashed by an artery simply collapses again after balloon dilatation alone.

What the stent has to do is unlike arterial work. It must resist an external squeezing force rather than a wall trying to recoil inward, and it must do so at diameters twice those of most arterial stents. It has to bend where it crosses the hip without kinking, because the segment moves every time the patient walks. It has to sit precisely at the confluence with the vena cava, since stopping short leaves the lesion untreated while overshooting obstructs the opposite leg. And it must not fracture over years of that movement.

Every design point on this range answers one of those demands. Medigear.uk supplies the instructions for use with every order.

Oblique End for the Confluence

An angled end follows the junction line where the iliac vein meets the vena cava, reaching the lesion without projecting across the opposite iliac vein.

Flared Proximal End

Flaring improves wall apposition where the vessel widens toward the confluence, which also reduces the chance of the stent migrating downstream.

Four Tapered Pairings

Tapering from 12 to 10 mm up to 18 to 16 mm follows the natural narrowing between the common and external iliac veins, which a constant diameter cannot.

Close-Open-Close Cell Structure

Closed cells at the ends provide radial force and apposition; open cells between them provide flexibility across the hip, and one geometry cannot do both.

Repositionable and Retrievable

Placement at the confluence is exact, and being able to correct or recover a partly deployed stent is a genuine safeguard, not a convenience.

Two Delivery System Lengths

800 mm and 1200 mm cover access from the groin and from more distant routes such as the popliteal or jugular vein.

Diameters up to 18 mm

Venous stenting needs diameters well beyond arterial practice, and 18 mm covers the common iliac vein in most patients.

Readable Reference Coding

Both diameters, stent length and delivery system are encoded in each reference, so a code decodes without consulting a table.

10 mm Straight Configuration

DM-VO-1010, the smallest diameter in the range.

12 mm Straight and 12 to 10 mm Tapered

DM-VO-1212 and DM-VO-1210 configurations.

14 mm Straight and 14 to 12 mm Tapered

DM-VO-1414 and DM-VO-1412 configurations.

16 mm Straight and 16 to 14 mm Tapered

DM-VO-1616 and DM-VO-1614 configurations.

18 to 16 mm Tapered

DM-VO-1816, the largest configuration, was offered tapered only.

80 mm and 90 mm Stent Lengths

The shorter options, for focal lesions.

100 mm and 120 mm Stent Lengths

The longer options, for extended segments.

800 mm Delivery System

S suffix references, for femoral access.

1200 mm Delivery System

L suffix references, for more distant access routes.

Oblique Flared End

The proximal end is both angled and flared.

Composite Cell Geometry

Closed cells at each end with open cells between them.

Repositionable Deployment

The stent may be moved or recovered after partial release.

The INT Medical Iliac Vein Stent System is properly designed for veins rather than adapted from arterial practice, and that shows in every stated feature. An oblique flared end addresses the confluence problem directly, four tapered pairings follow the natural narrowing between the common and external iliac veins, and a close-open-close cell structure resolves the conflict between radial force at the ends and flexibility across the hip. Repositionable deployment matters more here than in most vascular work, because placement at the confluence is exact and getting it wrong can mean either an untreated lesion or an obstructed opposite leg. Two items need to be obtained. The 100 mm column on the supplied table appears to repeat the 90 mm reference codes, and no radial force, crush resistance or sheath requirement is published. Medigear.uk will resolve both, with stent material, sterility status and UK conformity, before offering this range.

FAQ

Frequently Asked Questions

Everything buyers need to know about sourcing medical equipment through MediGear.

Relieving obstruction of the iliac veins. Common causes are compression of the left common iliac vein by the overlying right iliac artery, and scarring left behind after deep vein thrombosis. Both restrict outflow from the leg, causing swelling, pain and ulceration. Medigear.uk supplies the range to UK vascular services.

Because the problem is different, arterial stents resist elastic recoil in a thick-walled, high-pressure vessel. Veins are thin-walled, low-pressure and usually obstructed by outside compression. A venous stent needs crush resistance, larger diameters and enough flexibility to cross the hip without kinking or fracturing.

Reach without obstruction. The iliac vein joins the vena cava at an angle, and treating a lesion right at that junction means extending the stent to the confluence. A square-cut end doing so would project across the opposite iliac vein. An angled end follows the junction line instead.

Varying cell geometry along the stent. Closed cells at each end give radial force and full wall apposition where sealing and anchoring matter. Open cells in the middle give flexibility, which is needed where the stent crosses the hip joint and bends with movement. One geometry throughout would compromise one requirement or the other.

Because the vein does; the common iliac vein is wider than the external iliac below it, so a stent of constant diameter either sits loose above or presses too hard below. Four tapered pairings, from 12 to 10 mm up to 18 to 16 mm, follow that natural reduction across the treated segment.

The four digits after DM-VO give the two diameters; then three digits give stent length; then the suffix gives the delivery system. DM-VO-1614120-L is therefore a 16 to 14 mm tapered stent, 120 mm long, on the 1200 mm delivery system. The coding reads directly without a lookup table.

That the stent can be moved or recovered after partial deployment rather than being committed on release; in venous work, placement at the confluence is exact, and a stent landing a few millimetres wrong either leaves the lesion uncovered or crosses the opposite vein. INT does not state the point beyond which recovery is no longer possible.

Neither is confirmed in the material supplied, and no stent material, radial force figures or sheath requirement appears either. No CE or UKCA information is given. Medigear.uk will establish the full position and obtain the instructions for use before supply.