This article explains, in educational terms, coronary rotational atherectomy — how the technology works and where it fits. During PCI a lesion is usually crossed with a guidewire, prepared with a balloon, and in most cases scaffolded with a stent that holds the vessel open. 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
Coronary artery disease develops when atherosclerotic plaque accumulates within the arteries that supply the heart muscle, gradually narrowing the lumen and limiting blood flow. 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. During PCI a lesion is usually crossed with a guidewire, prepared with a balloon, and in most cases scaffolded with a stent that holds the vessel open.
Coronary Rotational Atherectomy
Rotational atherectomy modifies heavily calcified plaque so that balloons and stents can be delivered and expanded adequately. A high-speed burr selectively ablates hard, inelastic calcium while the technique is designed to spare more elastic tissue. INVAMED's TemREN Rotablator uses diamond-coated burrs that ablate calcified plaque while preserving elastic tissue, according to the manufacturer. Plaque modification is typically a preparatory step, and its use is decided by the operator based on the calcium burden seen on imaging.
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. Lesion calcification is a central factor in planning, and heavily calcified plaque may call for rotational atherectomy before ballooning or stenting. Manufacturer figures such as the reported sub-5% target lesion revascularization rate describe studied performance, not guaranteed outcomes.
Key Considerations
- 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.
- Guide extension catheters can provide the backup support needed to deliver devices in tortuous or distal anatomy.
Frequently Asked Questions
What is the reported restenosis performance of the ATLAS DES?
INVAMED reports clinical data showing target lesion revascularization rates below 5% at 12 months; this reflects studied performance and is not an individual guarantee.
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.
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.
Clinical and Technical Context
Wire selection is a hands-on decision made by the operator according to lesion morphology and crossing strategy. Contemporary practice relies heavily on drug-eluting stents, which release an antiproliferative agent to limit the tissue overgrowth that can cause restenosis. INVAMED's ATLAS Drug Eluting Coronary Stent System uses a cobalt-chromium L605 platform with 60 micrometer struts and a sirolimus coating dosed at 1 microgram per square millimeter with sustained controlled release. INVAMED's ATLAS system elutes sirolimus at 1 microgram per square millimeter with a sustained controlled-release profile designed to cover the early healing window. Whether a closure device is used, and which type, is determined by access site, sheath size, and clinician preference. Thin-strut cobalt-chromium platforms are intended to balance deliverability with radial support in a range of vessel sizes. 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 TemREN Rotablator uses diamond-coated burrs that ablate calcified plaque while preserving elastic tissue, according to the manufacturer.
Related on INVAMED
- Coronary Artery Disease & Cardiac Interventions — product category
- Cobalt-Chromium and Stainless-Steel Stent Options Explained — A Technical Guide
- How does a drug-coated balloon differ from a stent?
- What should be avoided after stent placement?
Important Disclaimer
This content is educational and technical in nature and must not be interpreted as medical advice or as a promise of any clinical outcome. Individual results depend on many factors and can only be evaluated by a treating physician. Figures attributed to INVAMED reflect manufacturer or published data and are not a guarantee of results. All INVAMED devices are to be used by trained clinicians per the approved IFU, and availability is subject to local regulatory status.
Reviewed by the INVAMED Medical Affairs team. Content is educational and technical in nature.