Electrode plate and tumor electric field therapy system

The electrode sheet with a flexible circuit board and handshake chip addresses temperature control issues in tumor electric field therapy systems by allowing separate signal and temperature detection modes, ensuring uniform temperature distribution and reducing pad complexity.

HK40135042APending Publication Date: 2026-07-17JIANGSU HEALTHY LIFE INNOVATION MEDICAL TECH CO LTD +1
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Patent Information

Authority / Receiving Office
HK · HK
Patent Type
Applications
Current Assignee / Owner
JIANGSU HEALTHY LIFE INNOVATION MEDICAL TECH CO LTD
Filing Date
2026-05-28
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing tumor electric field therapy systems face challenges in uniformly controlling the temperature of multiple electrode units due to varying heat generation, leading to potential skin burns and difficulty in bending the electrode pads due to increased conductive traces and cable thickness.

Method used

An electrode sheet with a flexible circuit board, temperature sensors, and a handshake chip, allowing for alternating current signal application and temperature detection in separate modes, and a system with grounding and dual-purpose signal lines for individual control of electrode units, reducing the need for extensive conductive traces.

Benefits of technology

Enables precise temperature monitoring and control of electrode units, preventing skin burns while maintaining flexibility and reducing the weight and complexity of the electrode pads.

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Abstract

The invention provides an electrode plate and a tumor electric field treatment system, the electrode plate is provided with a flexible circuit board, a plurality of electrode units and a handshake chip, each electrode unit comprises a dielectric element and a temperature sensor with a signal end and a grounding end, and the dielectric element of each electrode unit is in short circuit with the signal end. The flexible circuit board is provided with a plurality of paths of grounding wires and a plurality of paths of dual-purpose signal wires, the plurality of electrode units comprise thirteen electrode units which are arranged in multiple rows and multiple columns on the circuit, and the grounding ends of the temperature sensors in the same row group are connected to the same path of grounding wire; and the signal ends of the temperature sensors in the same column group are connected to the same dual-purpose signal line. Each dual-purpose signal line transmits an alternating current signal to each dielectric element in a first mode and transmits a temperature signal detected by each temperature sensor in a second mode, and each grounding line is in a disconnected state in the first mode and is sequentially and independently conducted in the second mode; the handshake chip is configured to judge the connection state of the electrode plates through handshake communication.
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