A pulse generating circuit, a control method and a control device thereof, and a pulse generating device

By designing first and second pulse generation networks in the pulse generation circuit and controlling the bridge arm switching transistors of the switching network, pulse output with adjustable positive and negative polarity was achieved, solving the treatment problem caused by unipolar pulse signals and improving the accuracy and safety of treatment.

CN122092830APending Publication Date: 2026-05-26MORNSUN GUANGZHOU SCI & TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-01-09
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

The pulse signals output by existing pulse generation circuits are mostly unipolar and their polarity cannot be adjusted, leading to differences in tolerance among different patients, increasing patient suffering, and potentially causing electrode needle displacement, resulting in poor ablation effects.

Method used

Design a pulse generation circuit including first and second pulse generation networks. A pulse output with adjustable polarity is achieved by controlling the bridge arm switching transistors of the switching network. A predictive voltage control method is used to ensure the accuracy of the pulse voltage.

Benefits of technology

It achieves pulse output with adjustable positive and negative polarity, improving the accuracy and safety of treatment, reducing patient suffering, and ensuring the stability of ablation effect.

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Abstract

This invention discloses a pulse generating circuit, its control method, control device, and pulse generating device. The pulse generating circuit includes: X pulse generating sub-circuits; each pulse generating sub-circuit includes a power supply unit and a pulse generating unit; each pulse generating unit includes a first pulse generating network and a second pulse generating network; each pulse generating network includes at least one level of switching network; each switching network includes a diode, an energy storage capacitor, and a bridge arm, wherein the high-voltage node of the energy storage capacitor and the high-voltage node of the bridge arm are connected to form the positive input terminal of the switching network, the low-voltage node of the energy storage capacitor, the low-voltage node of the bridge arm, and the anode of the diode are connected to the first node, the cathode of the diode is the negative input terminal of the switching network, and the midpoint of the bridge arm is the output terminal of the switching network; the two ports of the output terminals of the pulse generating units of each pulse generating sub-circuit connected in series are the two output terminals of the pulse generating circuit. This invention can achieve pulse output with adjustable positive and negative polarity.
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