architect

Coronary stent

architect
architect

Indications

Patients with symptomatic ischemic heart disease due to “de novo stenotic and re-stenotic lesions located in arteries with diameters from 2 mm to 4.5 mm.
Patients with the ischemic disease at coronary bypass grafts, including saphenous vein grafts.
Patients with occlusive disease due to acute myocardial infarction located in arteries with diameters from 2 mm to 4.5 mm.

Specifications

Stent material: CoCr L605
Strut thickness: 75 µm – 85 µm depending on stent diameter. Links 70 µm
Recoil: < 5%
Shortening at expansion: < 3%
Catheter materials: Nylon / Pebax. No latex components.
Semi-compliant balloon
Nominal pressure: 11 atm
Rated Burst Pressure (RBP): 16 atm
2 Pt/Ir radiopaque markers on the catheter delimiting the stent
Guiding catheter compatibility: 5F
Catheter’s working length: 142 cm
Recommended guidewire: 0.014”
Entry profile: 0.017”

Description

architect is a stent made of a Cobalt-Chromium alloy called L605. The stent is supplied pre-mounted on a delivery system for its implantation at the coronary lesion to treat, by means of expansion of the balloon located at the distal end of the catheter.

The stent is manufactured by laser cutting of a metallic tube and then it is submitted to several treatments to obtain a smooth and glossy surface finish. The stent design is based on circumferential linked cells that provide different stent longitudinal configurations. On the other hand, the number of radial cells adjustment allows stent expanding to different diameters. It is based on an open-cell design.

The stent delivery system consists of a rapid-exchange balloon catheter. The catheter has an inflatable balloon at the distal part. The balloon has different diameters and lengths to fit with the different stent configurations. When the balloon is inflated, it dilates the stent and deploys it against the artery. Afterward, the balloon is deflated and removed, and the stent remains permanently implanted.

There are marks on the catheter shaft to help the user calculate the position of the catheter as it is advanced through the guiding catheter without fluoroscopy. When the last mark disappears, the catheter is already near to the tip of the guiding catheter and about to enter the artery.

The distal part of the catheter is coated with a durable hydrophilic coating that minimizes friction and improves catheter trackability.

The maximum guidewire passage diameter must not exceed 0.36mm = 0.014”.

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Available References

working catether length

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