A totally monofilament arterial access covered stent delivery system

The single femoral artery approach covered stent delivery system achieves integrated operation of the main body and branch vessels through a single femoral artery approach, which solves the complication risks caused by traditional multiple puncture sites, optimizes the surgical procedure, and improves the safety and efficiency of aortic arch disease treatment.

CN122398511APending Publication Date: 2026-07-17CARDIOVASCULAR HOSPITAL AFFILIATED TO XIAMEN UNIV

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CARDIOVASCULAR HOSPITAL AFFILIATED TO XIAMEN UNIV
Filing Date
2026-05-14
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing interventional treatments for aortic arch diseases present challenges such as blood flow obstruction, endoleak, and stent migration. Traditional procedures require multiple puncture sites, increasing the risk of complications and surgical complexity.

Method used

The system employs a single femoral artery approach for stent graft delivery, enabling the main stent to be deployed and branch vessels to be accessed via a single femoral artery. The system integrates a multi-functional channel, including a hemostatic valve and a support tube, and supports the delivery of multiple guidewires, catheters, and branch stents, avoiding additional punctures.

Benefits of technology

It significantly reduces the risk of vascular injury and infection, reduces complications such as cerebral embolism and hemiplegia, optimizes the surgical procedure, and improves surgical safety and success rate.

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Abstract

本发明涉及主动脉腔内修复手术器械技术领域,尤其是涉及一种全单股动脉入路覆膜支架输送系统,其包括由远至近依次连接的锥形头、远端外管、大内径加强支撑管及集成化多通阀手柄;手柄主杆侧壁设有多个带止血阀的第一支杆,其内腔与支撑管及远端外管贯通;系统还包括由束径导丝构成的半约束机构。本申请通过集成化通道结构,实现在单一股动脉入路下完成主体释放、分支超选及多分支支架植入,无需建立上肢或颈部入路,从源头上规避了风险,显著降低了手术复杂度及并发症率,且支架半约束状态能维持术中脏器血流灌注,大幅提升了手术安全性与操控性。
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