一种便于心脏电复律和消融的电极导管
By integrating composite electrode ends and electrode rings into the electrode catheter, the problem of limited functionality in radiofrequency ablation systems has been solved, enabling rapid intracardiac cardioversion and ablation, reducing the risk of surgical complications, and improving operational efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ANHUI PROVINCIAL HOSPITAL
- Filing Date
- 2025-03-14
- Publication Date
- 2026-07-17
AI Technical Summary
Existing radiofrequency ablation systems have limited functionality in cardiac surgery, require external defibrillators, prolong surgical time, increase the risk of complications, and cannot quickly terminate malignant arrhythmias.
An electrode catheter designed for easy cardioversion and ablation is constructed, integrating a composite electrode tip and electrode ring. Multiple power lines are used to build a cardioversion and ablation circuit, enabling intracardiac cardioversion and defibrillation while reducing switching operation time.
This technology enables the rapid termination of malignant arrhythmias during cardiac surgery, reduces the risk of surgical complications, eliminates the need for defibrillator assistance, and improves operational efficiency.
Smart Images
Figure CN224505555U_ABST
Abstract
Claims
1. An electrode catheter for facilitating cardioversion and ablation, comprising a catheter body (1), characterized in that: One end of the catheter body (1) is fixedly connected to a composite electrode (2) for electrical cardioversion and ablation, and the other end of the catheter body (1) is fixedly installed with a control handle (3); The conduit body (1) is provided with a first power line (4), a second power line (5), a third power line (6) and a fourth power line (7) that are insulated from each other. One end of the first power line (4), the second power line (5) and the third power line (6) are all connected to the composite electrode (2); The outer surface of the catheter body (1) is fixedly fitted with an annular electrode ring (8) for defibrillation, and the fourth power line (7) is connected to the electrode ring (8). The control handle (3) is fixedly equipped with a power interface (31) at its end. The control handle (3) is connected to the first power line (4), the second power line (5), the third power line (6) and the fourth power line (7) respectively through the four power interfaces (31).
2. The electrode catheter for facilitating cardioversion and ablation of a heart according to claim 1, characterized in that: The outer surface of the catheter body (1) is provided with an annular groove (11), and the inner wall of the annular groove (11) is provided with a through hole (12) communicating with the inside of the catheter body (1). The electrode ring (8) is fixedly snapped into the annular groove (11), and the inner wall of the electrode ring (8) is connected to the fourth power line (7) through a connecting block (13). The connecting block (13) passes through the through hole (12).
3. The electrode catheter for facilitating cardioversion and ablation of a heart according to claim 2, characterized in that: The number of electrode rings (8) is at least three, and the inner walls of at least three electrode rings (8) are connected to the fourth power line (7) through connecting blocks (13).
4. The electrode catheter for facilitating cardioversion and ablation of a heart according to claim 3, wherein: The spacing between at least three of the electrode rings (8) is set in the range of 2-6 mm; the distance between the electrode rings (8) and the composite electrode end (2) is set at least 4 mm.
5. The electrode catheter facilitating cardioversion and ablation of a heart of claim 1, wherein: The length of the catheter body (1) is set in the range of 110-120cm; the length of the control handle (3) is set in the range of 35-45cm; and the outer diameter of the catheter body (1) is set in the range of 8-9.5F.
6. The electrode catheter facilitating cardioversion and ablation of a heart of claim 1, wherein: A switch (32) is fixedly installed on the control handle (3), and the four power interfaces (31) are connected to the first power line (4), the second power line (5), the third power line (6) and the fourth power line (7) respectively through the switch (32).