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High-voltage transmitting circuit for catheter and ablation tool

A transmitting circuit and high-voltage technology, which is applied in the parts of surgical instruments, medical science, heating surgical instruments, etc., can solve the problems that the transmitting electrode cannot realize the sine wave voltage output, limit the application of pulse electric field ablation technology, etc., and improve the application prospect , the effect of meeting the treatment needs

Pending Publication Date: 2021-12-10
ACCUPULSE MEDICAL TECH (SUZHOU) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, as a new type of energy ablation technology, pulsed electric field ablation technology faces the defect that the sinusoidal voltage output between the transmitting electrodes cannot be realized, which limits the clinical application of pulsed electric field ablation technology

Method used

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  • High-voltage transmitting circuit for catheter and ablation tool
  • High-voltage transmitting circuit for catheter and ablation tool
  • High-voltage transmitting circuit for catheter and ablation tool

Examples

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Embodiment Construction

[0029] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0030] The following describes the high-voltage transmitting circuit and the ablation tool for the catheter proposed by the embodiments of the present invention with reference to the accompanying drawings.

[0031] figure 1 It is a structural schematic diagram of a high-voltage transmitting circuit for catheters according to the first embodiment of the present invention, refer to figure 1 As shown, the catheter is provided with a first electrode P1 and a second electrode P2 , and the high-voltage transmitting circuit includes: a...

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Abstract

The invention discloses a high-voltage transmitting circuit for a catheter and an ablation tool, the catheter is provided with a first electrode and a second electrode, the high-voltage transmitting circuit comprises a first transmitting circuit, the first end of the first transmitting circuit is connected with a high-voltage positive electrode, and the second end of the first transmitting circuit is connected with a high-voltage ground; the third end of the first transmitting circuit is connected with the high-voltage cathode; the input end of the filter circuit is connected with the transmitting end of the first transmitting circuit, the output end of the filter circuit is connected with the first electrode, and the second electrode is connected with the high-voltage ground; and a control circuit is used for controlling the first transmitting circuit to output alternating-current square waves, and alternating-current square waves are filtered by the filter circuit so as to form sine waves between the first electrode and the second electrode. Therefore, the output of the sine wave pulse voltage waveform is realized, the treatment requirements in some pulse electric field ablation operations are met, and the application prospect of the pulse electric field ablation technology in arrhythmia treatment is improved.

Description

technical field [0001] The invention relates to the technical field of pulse electric field ablation, in particular to a high-voltage transmitting circuit and an ablation tool for a catheter. Background technique [0002] At present, the ablation energy in the catheter ablation technology used in the treatment of arrhythmia is usually mainly radiofrequency energy, supplemented by cryoenergy. These two ablation methods have shown certain advantages in the treatment of arrhythmia, but also have corresponding limitations. For example, the ablation energy lacks selectivity in destroying the tissue in the ablation area, and depends on the adhering force of the catheter, which may cause certain damage to the adjacent esophagus, coronary artery, and phrenic nerve. Therefore, finding a fast, safe and efficient ablation energy to Completing and achieving persistent pulmonary vein isolation without damaging adjacent tissues has become a research hotspot. [0003] Pulsed electric fiel...

Claims

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Application Information

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IPC IPC(8): A61B18/12
CPCA61B18/12A61B18/1206A61B2018/00577A61B2018/00767A61B18/1492A61B2018/00613H03K3/80H03K3/57
Inventor 赵成刚
Owner ACCUPULSE MEDICAL TECH (SUZHOU) CO LTD
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