Skip to main content
INVAMED
HomeINVAblogMechanical Thrombectomy for Stroke Explained — A Technical Guide
Neurovascular InterventionsJanuary 16, 2026INVAMED Medical Affairs

Mechanical Thrombectomy for Stroke Explained — A Technical Guide

How mechanical thrombectomy stroke works: an educational, technical overview covering the mechanism, applications, considerations, and INVAMED's related…

This article explains, in educational terms, mechanical thrombectomy stroke — how the technology works and where it fits. Because brain tissue is highly time-sensitive, rapid restoration of flow is central to endovascular stroke care in eligible patients. As a medical device manufacturer, INVAMED develops technologies in this area; the information here is educational and not medical advice.

Background: Acute Ischemic Stroke and Intracranial Aneurysm Intervention

Patient eligibility, the treatment window, and device selection are all determined by the treating neurointerventional team using imaging and current criteria. Because brain tissue is highly time-sensitive, rapid restoration of flow is central to endovascular stroke care in eligible patients. Acute ischemic stroke from a large vessel occlusion happens when a clot blocks a major brain artery, cutting off blood flow to a region of brain tissue.

Mechanical Thrombectomy for Stroke

Mechanical thrombectomy encompasses the catheter-based techniques used to physically remove a clot from a blocked cerebral artery. It can restore flow more completely and rapidly than drug therapy alone in appropriately selected large-vessel occlusions. INVAMED's KinG stent retriever and its directional and aspiration thrombectomy systems support clot removal within the neurovascular line. Whether thrombectomy is indicated depends on occlusion location, time from onset, and imaging, as judged by the stroke team.

Design and Technical Notes

INVAMED's neurovascular portfolio spans clot retrieval, aspiration, aneurysm packing, embolization, and the access tools that reach the intracranial circulation. All INVAMED neurovascular devices are intended for use by trained neurointerventional operators under imaging guidance and per the IFU. Speed to reperfusion is a central factor in stroke thrombectomy, which shapes device readiness and workflow in eligible patients.

Key Considerations

  • For aneurysms, coil sizing and packing or flow-diverter selection are matched to the aneurysm's shape and neck.
  • All INVAMED neurovascular devices are intended for use by trained neurointerventional operators under imaging guidance and per the IFU.
  • Manufacturer statements, including the described up-to-24-hour window for the KinG device, reflect product content and do not establish individual eligibility.

Frequently Asked Questions

What is the INVAMED stent retriever called?

INVAMED's stent retriever is the KinG Intracranial Revascularization Device, a self-expanding nitinol device with platinum markers for fluoroscopic visualization.

What is the Libro embolization agent?

INVAMED's Libro is a non-adhesive liquid embolic agent combining EVOH copolymer, DMSO solvent, and tantalum for radiopacity, offered per INVAMED in multiple viscosity formulas for AVMs and tumors.

What are Spider coils made of?

According to INVAMED, Spider Intracranial Coils are made of a platinum-tungsten 92/8 percent alloy and are offered across 2 to 30 mm coil diameters in detachable and pushable configurations.

About INVAMED

Device availability and regulatory status vary by country. Please contact INVAMED or your authorized local distributor for current regulatory information applicable to your region.

Clinical and Technical Context

INVAMED's neurovascular portfolio includes flow diverter stents for this parent-vessel reconstruction approach to selected aneurysms. Speed to reperfusion is a central factor in stroke thrombectomy, which shapes device readiness and workflow in eligible patients. Manufacturer statements, including the described up-to-24-hour window for the KinG device, reflect product content and do not establish individual eligibility. INVAMED's Mantis Directional Thrombectomy System and AngioHAND Thrombus Removal System are positioned for aspiration-based clot removal in this setting. Because brain tissue is highly time-sensitive, rapid restoration of flow is central to endovascular stroke care in eligible patients. Agent concentration and injection technique are selected by the operator for the target lesion. Liquid embolic use requires attention to concentration, radiopacity, and injection control for the target lesion. INVAMED's KinG Intracranial Revascularization Device is a self-expanding nitinol stent retriever with platinum markers at the proximal and distal ends of the basket for fluoroscopic visualization, intended for vessels including the internal carotid, middle and anterior cerebral, and basilar and vertebral arteries.

Related on INVAMED

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.

Reviewed by: INVAMED Medical Affairs

This content is prepared for educational purposes for healthcare professionals and does not constitute medical advice. Always consult clinical guidelines and product instructions for use.

Mechanical Thrombectomy Strokestent retrieverstroke clot retrieval proceduretime windowsuccess raterecanalization rate (TICI)
Mechanical Thrombectomy for Stroke Explained — A Technical Guide | INVAMED