Interelectrode discharge ablation device

Abstract

The invention relates to the technical field of medical radio-frequency ablation, and in particular to an interelectrode discharge ablation device. The interelectrode discharge ablation device comprises an ablation catheter and a guide tube, wherein an ablation handle is arranged on a guide handle in a sliding mode; the ablation catheter comprises a catheter body; at least two conductive parts are arranged at the end of the catheter body; radio-frequency current, which is applied to the conductive parts, sequentially passes through one of the conductive parts, human tissues and the other conductive part, so that a closed loop is defined; the catheter body comprises a solution cavity; and a solution hole, which communicates with the solution cavity, is formed in the at least one conductive part, so that ablation liquid can be transmitted to the to-be-ablated human tissues by virtue of the solution cavity and the solution hole; therefore , stress on the ablation catheter can be monitored in an ablation process in real time, and an ablation area can be increased; with the application of an electrical stimulation method, a focus tissue can be searched; and meanwhile, operations can be facilitated.

Description

technical field [0001] The invention relates to the technical field of medical radiofrequency ablation, in particular to an interelectrode discharge ablation device. Background technique [0002] The human body is a complex structure composed of many organic and inorganic substances. The body fluid contains a large number of dielectrics, such as ions, water, colloidal particles, etc. The human body mainly relies on the movement of ions to conduct current. Under the action of high-frequency alternating current, the ion concentration change direction changes back and forth with the current direction as positive and negative half cycles. Under high-frequency oscillation, the ions between the two electrodes move rapidly along the direction of the electric force line, gradually changing from a moving state to a vibrating state. Due to the different sizes, masses, charges and moving speeds of various ions, the ions rub against each other and collide with other particles to genera...

AI Technical Summary

Problems solved by technology

[0009] The purpose of the present invention is to provide an inter-electrode ablation area that can increase a single ablation area, does not require an additional mapping catheter, and is easy to operate, in view of the problems that the current ablation catheter has a small ablation area and requires additional mapping catheters and ablation devices that are complicated to operate. Discharge ablation device

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