Electric field therapy system and electrode patch thereof

Abstract

The present application provides an electric field therapy system and an electrode patch thereof, the electrode patch comprising a backing, an electrode array and an adhesive. The electrode array comprises a plurality of electrode units and a plurality of connecting parts, the plurality of electrode units are distributed in a plurality of rows and columns, the plurality of connecting parts comprise a plurality of latitudinal connecting parts connecting two adjacent electrode units along the row direction and a plurality of longitudinal connecting parts connecting two adjacent electrode units along the column direction, and the electrode units located at both ends of the row direction are only connected to the electrode units adjacent to the row direction. Two adjacent electrode units along the row direction and the corresponding latitudinal connecting parts connecting the two electrode units constitute an electrode unit group, and the adhesive is arranged in a one-to-one correspondence with the electrode unit group. The adhesive of the electrode patch of the electric field therapy system of the present application is arranged corresponding to the electrode unit group, and although some electrode units can move freely, their positions relative to another electrode unit in the same electrode unit group are relatively fixed, so the arrangement of the adhesive corresponding to the electrode unit group can be reliably fixed.

Description

Technical Field

[0001] The present application relates to an electric field therapy system and an electrode patch thereof. Background Art

[0002] Medium frequency alternating electric field therapy has been proven to be an effective method for tumor treatment. It can interfere with the mitosis process of cancer cells, induce apoptosis of cancer cells, and can be used to treat tumors. The electric field therapy system usually includes an electric field generator, an adapter, and multiple pairs of electrode patches. The electric field generator generates an alternating electric signal and transmits the alternating electric signal to the electrode patch through the adapter. The electrode patches are applied in pairs on the surfaces of opposite sides of the patient's skin, and an alternating current signal is applied between each pair of electrode patches to non-invasively apply a tumor treatment electric field to the target area.

[0003] Chinese invention patent application publication No. 114099958 discloses an electrode patch, which includes a backing, an electrode array attached to the backing, and a plurality of adhesive members covering the electrode array. The electrode array is provided with a flexible circuit board and twenty electrode units spaced apart on the flexible circuit board. The electrode units are arranged in a matrix shape with multiple rows and columns, and each electrode unit is connected to all surrounding electrode units through connecting parts. This structure causes the relative positions of all electrode units to be fixed. When applied to the patient's body surface, it is easy to cause the edges of the electrode patch to curl up, affecting the applicability of the electrode patch.

[0004] Therefore, there is a need to improve the existing electric field therapy system and its electrode patch. Utility Model Content

[0005] The present application provides an electric field therapy system and an electrode patch thereof, wherein an adhesive member thereof can be reliably fixed.

[0006] Specifically, the present application is implemented through the following technical scheme: an electrode patch, comprising a backing, an electrode array attached to the backing and an adhesive covering the electrode array, the electrode array comprising a plurality of electrode units and a plurality of connecting parts, the plurality of electrode units are distributed in multiple rows and columns, the plurality of connecting parts comprising a plurality of latitudinal connecting parts connecting two adjacent electrode units along the row direction and a longitudinal connecting part connecting two adjacent electrode units along the column direction, the electrode units located at the two ends of the row direction are only connected to the electrode units adjacent to the row direction; two adjacent electrode units along the row direction and the corresponding latitudinal connecting parts connecting the two electrode units constitute an electrode unit group, and the adhesive is arranged in a one-to-one correspondence with the electrode unit group.

[0007] Furthermore, the adhesive member has a main adhesive portion corresponding to the electrode unit of the electrode unit group and a connecting belt connected to the main adhesive portion, the main adhesive portion covers the corresponding electrode unit in the electrode unit group, and the connecting belt covers the corresponding latitudinal connecting portion in the electrode unit group.

[0008] Furthermore, the backing is provided with a plurality of ventilation holes between the plurality of electrode units.

[0009] Furthermore, the electrode unit is provided with a conductive sheet, the latitudinal connecting portion is provided with an AC line, and the AC line is electrically connected to the conductive sheets located at both ends of the latitudinal connecting portion respectively; the electrode array is provided with a corresponding dielectric layer corresponding to each electrode unit group, and the dielectric layer directly covers and conducts the two conductive sheets and the AC line in the corresponding electrode unit group.

[0010] Furthermore, the electrode array includes a substrate, the substrate is provided with a plurality of main parts and a plurality of connecting strips connecting two adjacent main parts, the conductive sheet is arranged on the main parts, and the AC line is arranged on the connecting strips; the electrode array is also provided with an insulating layer covering the substrate, the insulating layer exposes or partially exposes the conductive sheet and the AC line in each electrode unit group, and the dielectric layer covers the insulating layer and exposes the conductive sheet and the AC line of the insulating layer.

[0011] Furthermore, the electrode array further includes an alloy layer, the alloy layer is correspondingly arranged on the dielectric layer, and the adhesive member covers the alloy layer.

[0012] Furthermore, the main body is provided with a plurality of penetrating heat dissipation holes, and the heat dissipation holes are arranged around the outer peripheral side of the conductive sheet.

[0013] Furthermore, the heat dissipation hole passes through the insulating layer.

[0014] Furthermore, the dielectric layer and / or the alloy layer is arranged on the inner wall surface of the heat dissipation hole.

[0015] The present application also provides the following technical solution: an electric field therapy system, which includes an electric field generator and the aforementioned electrode patch.

[0016] In the electric field therapy system and electrode patch of the present application, two adjacent electrode units form an electrode unit group, in which some electrode units located at the periphery can move freely, but their positions relative to another electrode unit in the same electrode unit group are basically relatively fixed. Therefore, setting adhesives in the corresponding electrode unit groups can reliably fix the adhesives and prevent the adhesives from slipping.

[0017] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a framework diagram of an electric field therapy system according to one embodiment of the present application;

[0019] Figure 2 is a schematic plan view of an electrode patch according to one embodiment of the present application;

[0020] Figure 3 for Figure 2 A schematic plan view of an electrode array of the electrode patch shown;

[0021] Figure 4 for Figure 3 Another schematic plan view of the electrode array shown, wherein the dielectric layer and the alloy layer are not provided;

[0022] Figure 5 For along Figure 3 The cross-sectional view obtained by sectioning along the BB line;

[0023] Figure 6 For along Figure 3 The cross-sectional view obtained by sectioning along the AA line.

[0024] Description of reference numerals:

[0025] Electric field generator 10, adapter 20, electrode patch 30, backing 31, ventilation hole 311, electrode array 32, connecting part 322, longitudinal connecting part 3221, latitudinal connecting part 3222, wiring part 323, gold finger 3231, substrate 325, main body 3250, connecting strip 3251, AC line 3254, adhesive 33, main body adhesive part 331, connecting belt 332, notch 333, electrode unit 320, C1-C20, conductive sheet 342, opening 3421, pad 344, insulating layer 346, dielectric layer 347, alloy layer 348, covering film 349, heat dissipation hole 340. DETAILED DESCRIPTION

[0026] Here, exemplary embodiments will be described in detail, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Instead, they are only examples of devices, systems, equipment and methods consistent with some aspects of the present application.

[0027] refer to Figure 1As shown, the electric field treatment system 100 includes an electric field generator 10, an adapter 20, and a plurality of electrode patches 30 arranged in pairs, wherein the adapter 20 electrically connects the electric field generator 10 and each electrode patch 30. The electric field generator 10 generates an alternating current signal required for treatment, and the adapter 20 receives the alternating current signal output from the electric field generator 10 and transmits the alternating current signal to the electrode patch 30. The electrode patch 30 is attached to the body surface of the patient corresponding to the tumor area, and applies the alternating current signal to the patient's tumor area for tumor electric field treatment.

[0028] refer to Figure 2 and Figure 3 As shown, the electrode patch 30 includes a backing 31, an electrode array 32 and a plurality of adhesive members 33. The electrode array 32 is attached to the front side of the backing 31 facing the patient's skin. The electrode array 32 includes a plurality of electrode units 320 arranged in an interval shape, a plurality of temperature sensors (not shown), a connecting portion 322 and a wiring portion 323. The electrode unit 320 applies an alternating current signal to the patient's tumor area. The temperature sensor (not shown) is arranged on the corresponding electrode unit 320 to provide real-time feedback on the temperature of the electrode unit 320. The connecting portion 322 is used to connect two adjacent electrode units 320. The wiring portion 323 extends outward from one of the connecting portions 322 and is electrically connected to the adapter 20 through a wire (not shown) to receive the alternating current signal from the electric field generator 10 and transmit the detection signal of each temperature sensor (not shown) to the electric field generator 10. The adhesive member 33 is a conductive hydrogel, which is directly attached to the patient's tumor-related body surface when in use, which can enhance the fit comfort between the electrode unit 320 and the patient's body surface. It can also serve as a conductive medium for the alternating current signal passing through the electrode unit 320 to pass through and be applied to the patient's tumor site.

[0029] In this embodiment, the electrode patch 30 includes twenty electrode units 320, which are arranged in an array of four rows and six columns, wherein four electrode units 320 are arranged in each of the first and fourth rows, and six electrode units 320 are arranged in each of the second and third rows. The six electrode units 320 in each of the second and third rows correspond to each other and are arranged in six columns, respectively, and the four electrode units 320 in each of the first and fourth rows are respectively located in the middle four columns of the electrode array 32. From left to right, the four electrode units 320 in the first row are defined as C1, C2, C3, and C4, the six electrode units 320 in the second row are defined as C5, C6, C7, C8, C9, and C10, the six electrode units 320 in the third row are defined as C11, C12, C13, C14, C15, and C16, and the four electrode units 320 in the fourth row are defined as C17, C18, C19, and C20. The plurality of connection portions 322 of the electrode array 32 include a longitudinal connection portion 3221 extending in the longitudinal direction (i.e., upward in the column) and a latitudinal connection portion 3222 extending in the latitudinal direction (i.e., upward in the row). Any two adjacent electrode units 320 on the third column are connected by a longitudinal connection portion 3221, and any two adjacent electrode units 320 on the fourth column are also connected by a longitudinal connection portion 3221. The adjacent two electrode units 320 on other columns are disconnected, i.e., no corresponding connection portion 322 is provided. Any two adjacent electrode units 320 in each row are connected by a latitudinal connection portion 3222, wherein the connection portion 323 is extended outward from a latitudinal connection portion 3222 located in the middle of the fourth row.

[0030] refer to Figure 3 to Figure 4As shown, the electrode units 320 adjacent to each other from left to right in each row constitute an electrode unit group, and these twenty electrode units 320 constitute 10 electrode unit groups in total, specifically, a first electrode unit group consisting of two electrode units C1 and C2 located in the first row and a latitudinal connecting portion 3222 therebetween, a second electrode unit group consisting of two electrode units C3 and C4 located in the first row and a latitudinal connecting portion 3222 therebetween, a third electrode unit group consisting of two electrode units C5 and C6 located in the second row and a latitudinal connecting portion 3222 therebetween, a fourth electrode unit group consisting of two electrode units C7 and C8 located in the second row and a latitudinal connecting portion 3222 therebetween, and a fifth electrode unit group consisting of two electrode units C9 and C10 located in the second row and a latitudinal connecting portion 3222 therebetween. There are ten electrode unit groups in total, including the fifth electrode unit group consisting of the latitudinal connecting portion 3222, the sixth electrode unit group consisting of the two electrode units C11, C12 located in the third row and the latitudinal connecting portion 3222 therebetween, the seventh electrode unit group consisting of the two electrode units C13, C14 located in the third row and the latitudinal connecting portion 3222 therebetween, the eighth electrode unit group consisting of the two electrode units C15, C16 located in the third row and the latitudinal connecting portion 3222 therebetween, the ninth electrode unit group consisting of the two electrode units C17, C18 located in the fourth row and the latitudinal connecting portion 3222 therebetween, and the tenth electrode unit group consisting of the two electrode units C19, C20 located in the fourth row and the latitudinal connecting portion 3222 therebetween. The electrode patch 30 is provided with eight temperature sensors (not shown), which are respectively arranged on eight corresponding electrode units C2, C3, C6, C9, C12, C15, C18, and C19, so as to directly detect the temperature of each electrode unit group located outside the electrode array 32. The temperature of the fourth electrode unit group (C7, C8) and the seventh electrode unit group (C13, C14) can refer to the temperature detected by the temperature sensors (not shown) arranged in the electrode unit groups adjacent to the left and right. With such a reasonable arrangement, the eight temperature sensors (not shown) can basically reflect the temperature of all twenty electrode units 320.

[0031] Combination Figure 2As shown, six ventilation holes 311 are provided on the backing 31, three ventilation holes 311 are provided between the first row of electrode units 320 and the second row of electrode units 320, and three ventilation holes 311 are provided between the third row of electrode units 320 and the fourth row of electrode units 320, so as to facilitate heat dissipation and sweat discharge from the body surface of the patient to whom the electrode patch 30 is applied. The adhesive member 33 is provided in a sheet shape, and there are ten of them in total, which are respectively provided for each electrode unit group. The shape of the adhesive member 33 is roughly the same as that of the electrode unit group, and its size is slightly larger than that of the electrode unit group. The outer contour of the adhesive member 33 is roughly provided in a dumbbell shape, and it includes two main body adhesive portions 331 and a connecting belt 332 connecting the two main body adhesive portions 331. The main body adhesive portions 331 respectively cover the two electrode units 320 in the corresponding electrode unit group, and the connecting belt 332 covers the latitudinal connecting portion 3222 in the electrode unit group. The positions of the two electrode units 320 in the electrode unit group are relatively fixed, and no obvious relative displacement occurs during the application of the electrode patch 30, so the adhesive member 33 can be reliably adhered and fixed to the corresponding electrode unit group without slipping. Specifically, since the warp connection parts 3221 are only provided between the adjacent electrode units 320 in the third and fourth columns, the adjacent electrode units 320 in the first, second, fifth and sixth columns are all disconnected and no warp connection parts 3221 are provided, the peripheral electrode units 320 (C1, C4, C5, C6, C9, C10, C11, C12, C15, C16, C17, C20) at the left and right ends of each row have a certain degree of freedom in the warp direction (i.e., the column direction), and can be appropriately adjusted in position according to the patient's needs during application. In addition, a notch 333 is formed between the two main adhesive parts 331 and the connecting belt 332. The setting of the notch 333 can reduce the application area of ​​the adhesive 33, thereby increasing the air permeability of the electrode patch 30.

[0032] The structure of the electrode array 32 is described below with reference to the accompanying drawings.

[0033] refer to Figures 3 to 6As shown, the electrode array 32 includes a flexible substrate 325 arranged in a sheet shape. The substrate 325 serves as a supporting bottom plate and is integrally arranged in each electrode unit 320, each connecting portion 322 and the wiring portion 323. The thickness of the substrate 325 is 0.1mm-0.3mm, and the material thereof is polyimide or polyester film, and has the characteristics of light weight, thin thickness, bendability, high deflection, etc. The substrate 325 includes a plurality of main bodies 3250 arranged in a circular shape and a plurality of connecting strips 3251 arranged in a strip shape and connecting two adjacent main bodies 3250. The electrode unit 320 includes the circular main body 3250 and a conductive sheet 342 arranged on the front of the main body 3250. The conductive sheet 342 is arranged in a circular ring shape, and a through opening 3421 is arranged at the center thereof. The conductive sheet 342 is arranged concentrically with the main body 3250, wherein the thickness of the conductive sheet 342 is 10μm to 50μm, and the outer contour of the conductive sheet 342 is smaller than the outer contour of the main body 3250. The electrode unit 320 is evenly provided with a plurality of penetrating heat dissipation holes 340 on its periphery, which are arranged around the outside of the conductive sheet 342 and avoid the connection between the corresponding electrode unit 320 and the corresponding connecting portion 322. The heat dissipation holes 340 penetrate the corresponding substrate 325 to facilitate heat dissipation.

[0034] The temperature sensor (not shown) is placed in the opening 3421 of the conductive sheet 342 of the corresponding electrode unit 320 and fixed to the main body 3250. The sealant encapsulates the temperature sensor (not shown) in the opening 3421 of the conductive sheet 342. The main body 3250 of the electrode unit 320 has two pads 344 spaced apart in the opening 3421 of the conductive sheet 342. The temperature sensor (not shown) is electrically connected to the corresponding two pads 344.

[0035] The electrode array 32 is provided with a plurality of conductive traces (unnumbered) on the substrate 325. The conductive traces (unnumbered) include a plurality of AC lines 3254 for transmitting alternating current signals. The plurality of AC lines 3254 are distributed on the front side of the corresponding connecting strips 3251 of the substrate 325 and are electrically connected to all the conductive sheets 342 and are used to transmit the alternating current signals to each electrode unit 320. The AC line 3254 is arranged on each connecting portion 322. The conductive traces (unnumbered) also include a plurality of conductive traces (not shown) electrically connected to the pads 344 so that the temperature sensor (not shown) can be grounded or transmit a direct current signal. The aforementioned wiring portion 323 is provided with a total of eleven gold fingers 3231, among which one gold finger 3231 is connected to the corresponding AC line 3254, nine gold fingers 3231 are connected to the remaining conductive traces (not shown) one by one, and one gold finger 3231 is connected to the corresponding shielding wire layer (not shown) in the external wire (not shown) and is grounded for electromagnetic shielding and preventing signal interference.

[0036] The AC line 3254, the conductive trace (not shown), the conductive sheet 342, and the pad 344 disposed on the front of the substrate 325 are located on the same layer of the electrode array 32, and together constitute a conductive layer (not numbered) located on the front of the substrate 325. After the conductive layer (not numbered) is set, the electrode array 32 lays an insulating layer 346 on the substrate 325 and the conductive layer (not numbered) to form a solder resist layer located on the substrate 325 and the conductive layer (not numbered). The insulating layer 346 is disposed on the front of the substrate 325 as a whole by a thermal compression bonding process, and the thickness of the insulating layer 346 is 10 μm to 50 μm. The electrode array 32 also includes a dielectric layer 347 laid on the insulating layer 346 and on the conductive layer (not numbered) not covered with the insulating layer 346. The insulating layer 346 can also play a heat insulation role to reduce the heat transfer from the conductive layer (not numbered) to the dielectric layer 347 laid on the insulating layer 346. The heat dissipation hole 340 also passes through the insulating layer 346 .

[0037] refer to Figure 4 The insulating layer 346 on the main body 3250 is generally arranged in a hub shape, and is provided with four fan-shaped hollow areas (not numbered) exposing the conductive sheet 342 located under the insulating layer 346, so that the conductive sheet 342 directly contacts and conducts with the dielectric layer 347 laid thereon. The insulating layer 346 covering the corresponding latitudinal connecting portion 3222 in each electrode unit group exposes the corresponding AC line 3254, so that the AC line 3254 directly contacts and conducts with the dielectric layer 347 laid thereon.

[0038] The dielectric layer 347 is a polymer dielectric layer with high dielectric constant and low dielectric loss, which is made of a thin film material with non-fixed crystal orientation, high flexibility and high toughness. In this embodiment, the material of the dielectric layer 347 is a polymer with a dielectric constant of not less than 20 and a dielectric strength of not less than 40V / μm to prevent the dielectric layer 347 from being broken down under normal applied voltage. The polymer is a polymer with relaxor ferroelectric behavior, which can be a vinyl fluoride polymer, P(VDF-TrFE-CTFE), P(VDF-TrFE-CFE) or P(VDF-TrFE-CFE-CTFE), and can be a polyamide composite material, such as piperazine-biuret Biuret copolymer polyamide. The dielectric layer 347 can be formed on the surface of the conductive sheet 342 and the insulating layer 346 by evaporation, sputtering or ion plating vapor deposition, and can also be formed on the surface of the conductive sheet 342 and the insulating layer 346 by printing, spraying or casting. The thickness of the dielectric layer 347 is 3 μm-10 μm.

[0039] The dielectric layer 347 is laid on the corresponding insulating layer 346 and the conductive sheet 342 exposed on the insulating layer 346 corresponding to each electrode unit group, and the dielectric layer 347 between each electrode unit group is independently disconnected. The dielectric layer 347 covers the entire electrode unit group including two electrode units 320 and the corresponding latitudinal connecting portion 3222. The shape of the dielectric layer 347 is consistent with the outer contour of the electrode unit group, and it directly contacts and conducts with the conductive sheet 342 of the two electrode units 320 of the corresponding electrode unit group and the AC line 3254 on the corresponding latitudinal connecting portion 3222. No dielectric layer 347 is set on other connecting portions 322 outside each electrode unit group. The dielectric layer 347 simultaneously covers and conducts the conductive sheets 342 of the two electrode units 320 in the corresponding electrode unit group and the AC line 3254 therebetween, so that the two electrode units 320 in the same electrode unit group are simultaneously applied with an alternating current signal. With this arrangement, due to the high heat transfer performance of the dielectric layer 347, the temperatures of the two electrode units 320 in each electrode unit group are substantially the same. Therefore, only one temperature sensor (not shown) is required in each electrode unit group to monitor the temperature of the two corresponding electrode units 320 in one electrode unit group. These twenty electrode units 320 are grouped in pairs to form corresponding electrode unit groups, so that the performance parameters of each electrode unit group are the same, and the ten electrode unit groups transmit alternating current signals in parallel. When the electrode patch 30 performs electrical performance testing, each electrode unit group is used as a unit for testing, thereby improving the testing efficiency.

[0040] refer to Figure 5 and Figure 6 As shown, an alloy layer 348 is further laid on the dielectric layer 347, and the alloy layer 348 only covers the dielectric layer 347. The adhesive member 33 is attached to the alloy layer 348. The alloy layer 348 is used as an auxiliary layer to increase the conductivity between the dielectric layer 347 and the adhesive member 33. The size of the alloy layer 348 is slightly smaller than the size of the dielectric layer 347. The material of the alloy layer 348 can be one or more of zinc-aluminum alloy, zinc-copper alloy, silver-titanium or graphite. The alloy layer 348 can be deposited on the surface of the dielectric layer 347 using a vapor deposition method. The thickness of the alloy layer 348 is 3-10nm. The dielectric layer 347 and the alloy layer 348 sequentially cover the inner wall of the heat dissipation hole 340 of each electrode unit 320, which can further improve the heat dissipation performance of the electrode unit 320. The substrate 325 also includes a covering film 349 that is entirely laid on the back side of the substrate 325. The aforementioned conductive traces (not shown) arranged on the back side of the substrate 325 are all pressed and arranged on the back side of the substrate 325 by the covering film 349. These conductive traces (not shown) located on the back side of the substrate 325 all penetrate the substrate 325 and are electrically connected one by one to the corresponding pads 344 located on the front side of the main body 3250 of the substrate 325.

[0041] The above is only a preferred implementation mode of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application should be included in the scope of protection of the present application.

Claims

1. An electrode patch, comprising a backing, an electrode array attached to the backing, and an adhesive covering the electrode array, characterized in that: The electrode array includes a plurality of electrode units and a plurality of connecting parts, wherein the electrode units are distributed in a plurality of rows and columns, and the plurality of connecting parts include a plurality of latitudinal connecting parts connecting two adjacent electrode units along the row direction and a plurality of longitudinal connecting parts connecting two adjacent electrode units along the column direction. The electrode units at both ends of the row direction are only connected to the electrode units adjacent to the electrode units in the row direction. Two adjacent electrode units in the row direction and the corresponding latitudinal connecting parts connecting the two electrode units constitute an electrode unit group, and the adhesive is arranged in a one-to-one correspondence with the electrode unit group.

2. The electrode patch according to claim 1, characterized in that: The adhesive member has a main adhesive portion corresponding to the electrode unit of the electrode unit group and a connecting belt connected to the main adhesive portion, the main adhesive portion covers the corresponding electrode unit in the electrode unit group, and the connecting belt covers the corresponding latitudinal connecting portion in the electrode unit group.

3. The electrode patch according to claim 1, characterized in that: The backing is provided with a plurality of ventilation holes between the plurality of electrode units.

4. The electrode patch according to claim 1, characterized in that: The electrode unit is provided with a conductive sheet, and the latitudinal connecting part is provided with an AC line, and the AC line is electrically connected to the conductive sheets located at both ends of the latitudinal connecting part respectively; the electrode array is provided with a corresponding dielectric layer corresponding to each electrode unit group, and the dielectric layer directly covers and conducts the two conductive sheets and the AC line in the corresponding electrode unit group.

5. The electrode patch according to claim 4, characterized in that: The electrode array includes a substrate, which is provided with a plurality of main parts and a plurality of connecting strips connecting two adjacent main parts, the conductive sheet is arranged on the main parts, and the AC line is arranged on the connecting strips; the electrode array is also provided with an insulating layer covering the substrate, the insulating layer exposes or partially exposes the conductive sheet and the AC line in each electrode unit group, and the dielectric layer covers the insulating layer and exposes the conductive sheet and the AC line of the insulating layer.

6. The electrode patch according to claim 5, characterized in that: The electrode array further comprises an alloy layer, the alloy layer is correspondingly arranged on the dielectric layer, and the adhesive member covers the alloy layer.

7. The electrode patch according to claim 6, characterized in that: The main body is provided with a plurality of penetrating heat dissipation holes, and the heat dissipation holes are arranged around the outer peripheral side of the conductive sheet.

8. The electrode patch according to claim 7, characterized in that: The heat dissipation hole passes through the insulating layer.

9. The electrode patch according to claim 8, characterized in that: The dielectric layer and / or the alloy layer are arranged on the inner wall surface of the heat dissipation hole.

10. An electric field therapy system, characterized in that: It comprises an electric field generator and the electrode patch as claimed in any one of claims 1 to 9.

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