Embolic Protection System

The embolic protection system addresses the risk of embolic complications by deploying a braided mesh filter with an integrated guidewire for capturing and retrieving embolic particles, enhancing procedural safety and visibility.

JP2025542373APending Publication Date: 2025-12-25TERUMO KK
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Patent Information

Application Number
JP2025536783
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Priority Date
2022-12-21
Filing Date
2023-12-21
Publication Date
2025-12-25

AI Technical Summary

Technical Problem

During medical procedures like carotid stenting, embolic particles such as thrombus, atheroma, and lipids can dislodge and cause serious complications like stroke and death by blocking downstream blood vessels, necessitating the use of embolic protection devices to capture these particles.

Method used

An embolic protection system comprising an embolic protection device with a braided mesh filter, integrated guidewire, and adjustable clamps, which can be delivered and deployed using a catheter assembly to capture and retrieve embolic particles, featuring a radiopaque marker for visibility and anticoagulant surface treatment to prevent clot formation.

Benefits of technology

The system effectively captures and removes embolic particles, reducing the risk of complications by integrating a guidewire for ease of use and minimizing vascular issues, while ensuring clear visualization and preventing clot formation.

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Abstract

An embolic protection system for delivering, deploying, and retrieving a filter configured to capture particles that may become dislodged during a medical procedure. The embolic protection system may include an embolic protection device that captures the particles, a delivery catheter assembly for delivering the embolic protection device to a target location within the vasculature, and a retrieval catheter assembly for retrieving the embolic protection device, along with the captured particles, from the target location after use. The embolic protection device includes a filter movably connected to a guidewire, such that after deployment, the filter can move both axially and rotationally relative to the guidewire, thereby reducing the risk of vasospasm or vascular dissection.
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