This article explains, in educational terms, coronary stent types — how the technology works and where it fits. Percutaneous coronary intervention (PCI) is a catheter-based approach that reaches the coronary arteries through a small arterial access point, typically the radial or femoral artery. As a medical device manufacturer, INVAMED develops technologies in this area; the information here is educational and not medical advice.
Background: Coronary Artery Disease and Percutaneous Coronary Intervention
Percutaneous coronary intervention (PCI) is a catheter-based approach that reaches the coronary arteries through a small arterial access point, typically the radial or femoral artery. When a narrowing becomes flow-limiting, patients may experience angina on exertion, and an abrupt plaque rupture with thrombosis can precipitate a myocardial infarction. Coronary artery disease develops when atherosclerotic plaque accumulates within the arteries that supply the heart muscle, gradually narrowing the lumen and limiting blood flow.
Cobalt-Chromium and Stainless-Steel Stent Options
Coronary stents are offered on different alloy platforms, with cobalt-chromium and stainless steel being common choices that trade off strut thickness against strength. Cobalt-chromium allows thinner struts for a given radial strength, which is generally associated with lower profile delivery and favorable healing. INVAMED's Atlas line spans a cobalt-chromium drug-eluting version, a bare cobalt-chromium version described as offering high radial strength with minimal recoil, and a stainless-steel version. Selection among platforms is made by the operator according to vessel size, lesion characteristics, and deliverability requirements.
Design and Technical Notes
INVAMED groups its coronary portfolio around the sequence of a PCI case, offering access, lesion preparation, drug delivery, scaffolding, and closure devices. Dual antiplatelet therapy duration is individualized to the clinical presentation and the patient's bleeding risk. Manufacturer figures such as the reported sub-5% target lesion revascularization rate describe studied performance, not guaranteed outcomes.
Key Considerations
- Manufacturer figures such as the reported sub-5% target lesion revascularization rate describe studied performance, not guaranteed outcomes.
- Guide extension catheters can provide the backup support needed to deliver devices in tortuous or distal anatomy.
- Dual antiplatelet therapy duration is individualized to the clinical presentation and the patient's bleeding risk.
Frequently Asked Questions
Does INVAMED make a drug-coated coronary balloon?
Yes. The Extender Drug Eluting PTCA Balloon Catheter carries a paclitaxel coating for local drug delivery, such as in-stent restenosis or small-vessel disease.
Who decides between PCI and bypass surgery?
That decision is made by a clinical heart team based on coronary anatomy and individual factors; this article is educational and not medical advice.
What is the regulatory status of these coronary devices?
Device availability and regulatory status vary by country. Please contact INVAMED or your authorized local distributor for current regulatory information applicable to your region.
About INVAMED
INVAMED operates a dedicated R&D center (INVAcenter) focused on minimally invasive device development. INVAMED is a medical device manufacturer headquartered in Ankara, Turkey, founded in 2005.
Clinical and Technical Context
The need for extension support is judged case by case, since it depends on vessel geometry and the devices being delivered. According to INVAMED, clinical data for the ATLAS DES show target lesion revascularization rates below 5% at 12 months, a figure that reflects studied performance rather than an individual guarantee. Dual antiplatelet therapy duration is individualized to the clinical presentation and the patient's bleeding risk. All INVAMED coronary devices are intended for use by trained interventional cardiologists under fluoroscopic guidance and per the IFU. INVAMED's AngioTEN Vascular Closure System is positioned for this access-site management role. Manufacturer figures such as the reported sub-5% target lesion revascularization rate describe studied performance, not guaranteed outcomes. When a narrowing becomes flow-limiting, patients may experience angina on exertion, and an abrupt plaque rupture with thrombosis can precipitate a myocardial infarction. INVAMED's coronary portfolio includes guiding catheters, extension catheters, and microcatheters intended to support crossing and delivery in demanding anatomy.
Related on INVAMED
- Coronary Artery Disease & Cardiac Interventions — product category
- How does a drug-coated balloon differ from a stent?
- What should be avoided after stent placement?
- Balloon angioplasty alone vs Angioplasty with stenting: What Is the Difference?
Important Disclaimer
This article is intended for general educational and technical information about medical device technologies. It is not medical advice, a diagnosis, or a treatment recommendation, and it does not replace consultation with a qualified healthcare professional. Any decision about diagnosis or treatment should be made by a licensed clinician based on an individual assessment. INVAMED devices are intended for use by trained healthcare professionals in accordance with the applicable Instructions for Use (IFU) and local regulatory approvals. Product availability and indications vary by country.
Reviewed by the INVAMED Medical Affairs team. Content is educational and technical in nature.