肿瘤电场治疗装置及其电极贴片

Abstract

本实用新型提供一种肿瘤电场治疗装置及其电极贴片，该电极贴片包括电极阵列，电极阵列包括二十个主体部及十六个温度传感器。十六个温度传感器在空间结构上分别位于电极阵列的边缘、中心及介于边缘与中心的中间各处上的相应主体部上；电极阵列的柔性电路板设有四路接地迹线及四路信号迹线，接地迹线设置在柔性电路板的背面并分别与对应一行温度传感器的接地端电性连接，所述信号迹线也设置在柔性电路板的背面并分别与对应一列温度传感器的信号端电性连接。本实用新型的电极贴片采用选择性设置温度传感器，即可实现全面测温且可简化柔性电路板上的导电迹线的布线。

Claims

1. An electrode patch for tumor electric field therapy comprising an electrode array and a lead, the electrode array comprising a flexible circuit board comprising twenty body portions, characterized in that: Each of the sixteen main bodies is equipped with a temperature sensor. Each main body has a conductive pad. The flexible circuit board has an AC trace on its front side and is electrically connected to each conductive pad. The twenty main bodies are arranged in a four-row, six-column spatial structure. The first and last rows each have four main bodies located in the second to fifth columns, respectively. The middle two rows each have six main bodies located in the first to sixth columns, respectively. The twelve main bodies located at the edge of the electrode array are defined as edge main bodies, the four main bodies located at the center of the electrode array are defined as center main bodies, and the remaining four main bodies between the edge and center of the electrode array are defined as intermediate main bodies. The circuit board comprises a body; wherein each of the edge main bodies, the two diagonally arranged central main bodies, and the two diagonally arranged intermediate main bodies are respectively provided with the temperature sensor; the temperature sensor is provided with a ground terminal and a signal terminal; the flexible circuit board is also provided with four ground traces and four signal traces; each of the ground traces is located on the back of the flexible circuit board and is electrically connected to the ground terminal of the corresponding four temperature sensors; each of the signal traces is also located on the back of the flexible circuit board and is electrically connected to the signal terminal of the corresponding four temperature sensors; during temperature detection, the four signal traces remain conductive, and the four ground traces are alternately conductive to obtain the temperature detection signal of the corresponding temperature sensor.

2. The electrode patch of claim 1, wherein, The sixteen temperature sensors are arranged in a centrally symmetrical manner with respect to the center of the matrix formed by the twenty main body parts.

3. The electrode patch of claim 2, wherein, In each of the second and third rows, there is a central main body portion without a temperature sensor between the central main body portion equipped with the temperature sensor and the intermediate main body portion equipped with the temperature sensor.

4. The electrode patch of claim 1, wherein, The flexible circuit board has several connecting portions connecting two adjacent main bodies and wiring portions connected to the wires. The electrode array is provided with several dielectric elements. The dielectric elements are disposed on the front side of the main body and electrically connected to the conductive pad. The dielectric elements and the main body together form an electrode unit.

5. The electrode patch of claim 4, wherein, From the front of the electrode array, the grounding terminals of the temperature sensors of the electrode units located in the third row, fourth column, third row, sixth column, fourth row, and fifth column are all short-circuited and grounded through one grounding trace. The grounding terminals of the temperature sensors of the electrode units located in the first row, fourth column, first row, fifth column, second row, fifth column, and second row, sixth column are all short-circuited and grounded through one grounding trace. The grounding terminals of the temperature sensors of the electrode units located in the first row, second column, first row, third column, second row, first column, and second row, third column are all short-circuited and grounded through one grounding trace. The grounding terminals of the temperature sensors of the electrode units located in the third row, first column, third row, second row, and third column are all short-circuited and grounded through one grounding trace. The signal terminals of the temperature sensors of each electrode unit located in the first row, third column, first row, fourth column, fourth row, second column, and fourth row, fifth column are all short-circuited and connected to the same detection channel through one signal trace. The signal terminals of the temperature sensors of each electrode unit located in the first row, second column, first row, fifth column, fourth row, third column, and fourth row, fourth column are all short-circuited and connected to the same detection channel through one signal trace. The signal terminals of the temperature sensors of each electrode unit located in the second row, third column, second row, fifth column, third row, first column, and third row, sixth column are all short-circuited and connected to the same detection channel through one signal trace. The signal terminals of the temperature sensors of each electrode unit located in the second row, first column, second row, sixth column, third row, second column, and third row, fourth column are all short-circuited and connected to the same detection channel through one signal trace.

6. The electrode patch of claim 5, wherein, The electrode unit is provided with a diode. The front side of the main body is provided with a ground pad, a signal pad, an anode pad, and a cathode pad. The anode of the diode is electrically connected to the anode pad, and the cathode of the diode is electrically connected to the cathode pad. The ground terminal of the temperature sensor is electrically connected to the ground pad, and the signal terminal of the temperature sensor is electrically connected to the signal pad. The anode pad and the ground pad are electrically connected through pad traces.

7. The electrode patch of claim 5, wherein, The connector has five gold fingers on its front and back sides. The AC trace extends from one of the gold fingers on the front of the connector and extends on the front of the flexible circuit board. The four ground traces extend from the other four gold fingers on the front of the connector, pass through the connector to the back of the flexible circuit board, and extend on the back of the flexible circuit board.

8. The electrode patch of claim 7, wherein, The four signal traces are respectively led out from the four gold fingers on the back of the connector and extend on the back of the flexible circuit board. The remaining gold finger on the back of the connector is connected to the shielding layer of the conductor.

9. The electrode patch of claim 8, wherein, It also includes a backing, several support members and several adhesive members. The electrode array is adhered to the backing, the support members are adhered to the backing and surround each of the electrode units, and the adhesive members cover each of the support members and each of the electrode units. The electrode array is also provided with several insulating plates fixed to the back of each of the main body parts.

10. A tumor electric field treatment device, comprising: It includes an electric field generator and an electrode patch as described in any one of claims 1 to 9, which is electrically connected to the electric field generator.

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