一种左心耳封堵装置

By designing a left atrial appendage occlusion device with an ablation section, the problem of rivet hooks puncturing the atrial appendage was solved by using ablation and hemostasis techniques. This achieved the stability and safety of the occluder, reduced the risk of pericardial effusion, and the material is biodegradable, with a simple and economical structure.

CN118892343BActive Publication Date: 2026-07-17SHANGHAI SHAPE MEMORY ALLOY

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SHANGHAI SHAPE MEMORY ALLOY
Filing Date
2024-08-09
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The rivet hooks of existing left atrial appendage occlusion devices are prone to puncturing the atrial appendage, leading to pericardial effusion, which poses a life-threatening risk, and the occlusion effect is unstable.

Method used

A left atrial appendage occlusion device was designed, comprising an occluder, an ablation section, and a delivery section. The ablation section is used to ablate and stop bleeding at the junction of the connection section and the tissue. The occluder body consists of a first disc and a second disc. The disc structure design improves the occlusion effect and is made of biodegradable materials. The ablation section uses radiofrequency or plasma ablation to prevent hook puncture.

Benefits of technology

It reduces the risk of blood flowing into the pericardium, improves the stability and occlusion effect of the occluder, prevents over-occlusion, and the use of biodegradable materials facilitates biodegradation. The structure is simple, economical and practical.

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Abstract

本发明提出了一种左心耳封堵装置,其包括:封堵器、消融部以及输送部;其中,所述封堵器包括封堵器本体和连接部;所述封堵器本体用于放置在左心耳的开口处并封堵所述开口;所述连接部设置在所述封堵器本体上用于固定连接所述左心耳的靠近所述开口的组织;所述消融部用于对所述连接部与所述组织的连接处进行消融和 / 或止血;所述输送部包括杆体,所述杆体的第一端与所述封堵器本体可拆卸连接,所述杆体的内部用于供所述消融部的部分导电体穿过。本发明能够实现在左心耳封堵器植入手术过程中对连接部刺破的位置进行消融和 / 或血液凝固,从而减少血液流入心包的风险。
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