Shock wave electrode device and shock wave catheter system

The shock wave electrode device, employing a flexible printed wiring board with an integrated electrode assembly, addresses the challenges of current devices by enabling miniaturization, high accuracy, and simplified manufacturing, resulting in improved shock wave performance and reduced production costs.

JP2025508284AActive Publication Date: 2025-03-25JIANGSU PNP MEDTECH CO LTD
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Patent Information

Application Number
JP2024553716
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Priority Date
2022-03-09
Filing Date
2023-03-09
Publication Date
2025-03-25
Estimated Expiration
2043-03-09

AI Technical Summary

Technical Problem

Current shock wave electrode devices for catheters face challenges such as large electrode components, complex manufacturing processes, poor dimensional accuracy, low automation, and resulting high production costs and poor shock wave conformity.

Method used

A shock wave electrode device utilizing a flexible printed wiring board with an integrated electrode assembly, featuring a conductive pattern layer and a coating layer with through openings to expose the electrodes, allowing for miniaturization, high accuracy, and simplified manufacturing.

Benefits of technology

The solution achieves miniaturization and integration of liquid-electric generation electrodes, improving discharge stability and controllability, reducing production complexity and costs, while enhancing shock wave performance and vascular adaptability.

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Abstract

The present invention provides a shock wave electrode device and a shock wave catheter system. The shock wave electrode device includes a flexible printed wiring board and an electrode assembly. The flexible printed wiring board includes a flexible substrate, a conductive pattern layer, and a coating layer. The electrode assembly is integrated on the conductive pattern layer of the flexible printed wiring board or on its surface. The electrode assembly includes at least a pair of positive and negative electrodes with an electrode gap between the positive and negative electrodes. The electrode assembly and a part or all of the electrode gap are exposed on the surface of the flexible printed wiring board. The shock wave catheter system provided by the present invention uses this shock wave electrode device. The shock wave catheter system manufactured using the shock wave electrode device provided by the present invention has the advantages of miniaturization and integration, and can improve the shock wave performance and stability of the catheter, and can simplify the catheter production and manufacturing process, increase productivity, and reduce production costs.
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