Mikrokatheterokklusionsembolisationskatheter

AT1923189TUndetermined Publication Date: 2026-06-15MERIT MEDICAL SYSTEMS INC
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Patent Information

Application Number
AT2019777331T
Authority / Receiving Office
AT · AT
Patent Type
Patents
Current Assignee / Owner
Priority Date
2018-08-10
Filing Date
2019-03-27
Publication Date
2026-06-15
Estimated Expiration
2039-03-27

AI Technical Summary

Technical Problem

Current embolization catheters face challenges in effectively occluding vessels and delivering embolic materials to targeted sites within the body, leading to incomplete tumor or lesion treatment due to inadequate blood flow restriction and material distribution.

Method used

A microcatheter device with an elongate body featuring two lumens, one for embolic material delivery and another for expanding a balloon to occlude the vessel, along with a flow restriction valve to direct the embolic material proximally, ensuring precise delivery and occlusion.

Benefits of technology

The device effectively restricts blood flow to tumors or lesions, allowing for targeted delivery of embolic materials, leading to cell death and shrinkage of the treated area by ensuring the embolic material is directed proximally and preventing backflow, thereby enhancing treatment efficacy.

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Abstract

Devices used to deliver a substance within a patient's body are disclosed. The devices may include a microcatheter configured to deliver the substance to a targeted site. The microcatheter may include an expandable member to temporarily restrict blood flow in a vessel, a flow restriction member to restrict flow of material out a distal end of the microcatheter, and a port disposed proximal of the expandable member.
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