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INT Medical Thoracic Stent Graft

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INT Medical Cardiology Equipment

INT Medical Thoracic Stent Graft

Product Code: CE-2755

Two-Stage Thoracic Aortic Stent System with Tapered Covered Graft and Distal Bare Stent, in Thirteen Series

The INT Medical Fabulous Thoracic Stent Graft is a two-stage thoracic aortic stent system from INT Medical, designed for endovascular treatment of Stanford type B aortic dissection. Featuring a proximal covered stent graft with dense support and a conformable proximal crown, tapered configurations from 0 to 8 mm, covered lengths up to 250 mm, and a distal stent with an internal coil design, all on a 20F delivery system, it addresses both the entry tear and the distal true lumen. Available via 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

Type B aortic dissection splits the aortic wall, creating a false channel alongside the true one. Covering the entry tear with a stent graft stops flow into the false lumen and lets it clot. The difficulty is that the benefit tends to stop where the graft stops, and remodelling below the covered segment is often limited.

Extending coverage further down is not a free choice. A longer covered segment raises the risk of paraplegia and visceral ischaemia, because it shuts off intercostal and branch vessels. The PETTICOAT approach answers this by adding an uncovered stent below the graft. Blood still passes through the bare struts to the branches, while the stent props the true lumen open and encourages expansion.

This system is built on that principle. Published descriptions identify it as a two-stage design, with a proximal covered stent graft and a distal bare stent component. Thirteen series run from 20 mm to 44 mm. Each is offered non-tapered or with 4, 6 or 8 mm of taper. That matters in dissection, because the true lumen is compressed and narrows distally. Covered lengths reach 250 mm on the larger series. Four construction features are stated. Support is dense proximally where the seal is made. The proximal stent is conformable for wall apposition. The bare crown carries large rounded angles to reduce vessel irritation.

The distal stent uses an internal coil to improve wall adherence. Every series is deployed through a 20F system. Medigear.uk supplies the range to UK vascular services.

Aortic dissection tears the layers of the aortic wall apart, so blood travels in two channels instead of one. In type B disease, the tear begins beyond the left subclavian artery. The false channel presses on the true one. Branches feeding the spinal cord, gut and kidneys may arise from either. Untreated, the aorta can rupture. Those organs can also lose their supply.

Endovascular repair covers the entry tear so the false channel loses its inflow and clots. That works well over the covered segment. Follow-up imaging has repeatedly shown the problem. True lumen expansion and false lumen clotting often stop where the graft ends. The aorta below stays dissected, and reintervention rates reflect it.

The obvious fix is a longer graft, but coverage has a cost. The intercostal arteries supplying the spinal cord leave the descending aorta along its length. Covering enough of them causes paraplegia. Visceral branches face the same risk lower down. The staged approach resolves the tension by changing what covers the lower segment. An uncovered stent mechanically props the true lumen open. Blood still passes through its struts into every branch it crosses. Remodelling extends below the covered zone without the ischaemic penalty. Taper matters here too. The true lumen is compressed and narrows as it descends, so a device sized for the proximal seal would be too large further down. Device sizing is planned on preoperative CT, and both the seal diameter and the taper are chosen from those measurements.

Overlapping components are used where one graft cannot cover the segment. Medigear.uk supplies the instructions for use with every order.

Staged Coverage Without Extending Ischaemic Risk

An uncovered distal stent supports the true lumen while leaving branch vessels perfused, which extending the covered graft would not allow.

Four Taper Options

Configurations at 0, 4, 6 and 8 mm let the device follow a true lumen that narrows distally, rather than forcing a single diameter along its length.

Thirteen Series From 20 to 44 mm

A wide diameter span covers most thoracic aortic dimensions, with each series offering several taper combinations.

Covered Lengths to 250 mm

The larger series extend to 250 mm, which allows a long entry tear to be sealed in one device rather than by overlapping components.

Single 20F Delivery Profile

Access requirements stay constant across every series, so femoral assessment is made against one figure rather than varying by graft size.

Dense Proximal Support With a Conformable Crown

Radial force where the seal is made, combined with a proximal stent that conforms to the wall, addresses the two demands at the landing zone.

Rounded Bare Stent Crown Geometry

Large rounded angles on the bare crown reduce the point stress a sharper apex would place on the aortic wall at the fixation site.

Substantial Published Evidence

Multiple registered trials and a published multicentre cohort of 145 patients across 14 centres put this device well ahead of most implantables in the range.

Thirteen Series, 20 mm to 44 mm

The larger graft diameter across the range names the series.

Non-Tapered Configuration

A 0 mm taper gives a straight graft of constant diameter.

4, 6 and 8 mm Taper Options

Available on series 28 and above, with 4 mm offered from series 20.

Covered Lengths 60 to 160 mm

Available across every series in the range.

Covered Lengths 180 to 250 mm

Available on series 28 and above for longer segments.

Proximal Dense Rigid Support

Stent density increases proximally where the seal forms.

Conformable Proximal Stent

The proximal section is designed to follow the aortic wall contour.

Rounded Bare Stent Crown

Large rounded angles reduce irritation and stress at the fixation point.

Distal Internal Coil Design

The distal stent uses an internal coil to improve wall adherence.

20F Delivery System

One delivery profile serves the entire series range.

The INT Medical Fabulous Thoracic Stent Graft is built on a recognised principle rather than marketing. Sealing the entry tear proximally while supporting the true lumen distally with an uncovered stent addresses a well-documented limitation of conventional repair: remodelling stops where coverage stops, without accepting the paraplegia risk that longer coverage brings. Thirteen series, four taper options and covered lengths to 250 mm give real anatomical range, and a single 20F delivery profile keeps access planning simple. The evidence base is also the strongest of any implantable product reviewed in this catalogue. Two items need settling. The diameter column headings appear transposed against clinical convention, and the distal bare stent component is described in the literature but not tabulated on the sheet. Medigear.uk will confirm both, with reference codes, materials, oversizing guidance, sterility status and UK conformity, before offering this range.

FAQ

Frequently Asked Questions

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

Endovascular treatment of Stanford type B aortic dissection. The covered section seals the entry tear, while the distal component supports the true lumen further down the aorta. Published studies of this system concentrate on acute and subacute complicated type B dissection. Medigear.uk supplies the range to UK vascular and cardiothoracic services.

A staged approach to dissection. A covered graft seals the entry tear proximally, and an uncovered stent extends below it. The bare struts hold the true lumen open without blocking the branch vessels that leave the aorta along that segment, so remodelling continues below the covered zone without the ischaemic cost of extending coverage.

Because the true lumen narrows; in dissection, the false lumen compresses the true one, and that compression usually increases distally. A graft sized to seal proximally would be oversized distally, risking injury to a lumen that cannot accommodate it. Taper options of 4, 6 and 8 mm let the device follow that reduction.

The sheet places the fixed larger figure under Distal Diameter and the varying smaller figures under Proximal Diameter. That reverses the usual arrangement, since a thoracic graft seals against a wider proximal landing zone and narrows distally. The headings look transposed. Medigear.uk will confirm before anything is published.

More than most devices in this catalogue. A prospective multicentre trial is registered as completed under NCT04918212, a real-world study of 260 patients under NCT05965271, and a further remodelling study under NCT05883592. A published prospective multicentre cohort reported outcomes in 145 patients across 14 centres.

That access requirements do not change with graft size. A single delivery profile across every series from 20 mm to 44 mm simplifies planning, since femoral access is assessed against one figure rather than varying by device. Medigear.uk will confirm the sheath compatibility and delivery system length.

Published descriptions identify this as a two-stage system with a proximal covered graft and a distal bare stent, but the sheet tabulates only one set of diameters. The material does not show whether the bare stent ships with the graft or is ordered separately. Medigear.uk will obtain the bare stent sizes and ordering arrangement.

Neither is confirmed in the material supplied, and no reference codes, materials or oversizing guidance appear either. No CE or UKCA information is given. As a Class III implant, this range carries the highest documentation requirements. Medigear.uk will establish the full position before supply.