Plasma electrode device

Abstract

The invention relates to the technical field of medical apparatus and instruments, in particular to a plasma electrode device which comprises at least one electrode plate. The plurality of connecting electrodes are connected to the edge of the central electrode in a surrounding manner; the first connecting parts are arranged on the connecting electrodes, and the first connecting part of one electrode plate is correspondingly connected with the first connecting part of the adjacent electrode plate, so that the electrode parts of all the electrode plates are electrically connected. The modularized and splicable plasma electrode device provided by the invention realizes the splicing of a plurality of electrode plates by innovating the electrode component and the first connecting component, has the advantages of good skin wound surface fitting property, flexible treatment area expansion, reliable multi-unit connection and the like, and can adapt to various irregular wound surfaces and different sizes of wound surfaces.

Description

Technical Field

[0001] This invention relates to the field of medical device technology, and in particular to a plasma electrode device. Background Technology

[0002] Dielectric barrier discharge (DBD), a common plasma discharge method, can generate stable plasma at room temperature and pressure. Due to its simple structure and high energy efficiency, it has become one of the most commonly used plasma production methods. Its principle involves placing one or more layers of insulating dielectric material within the discharge space. This dielectric material can be suspended in the discharge space or cover the electrodes. Because the presence of the dielectric material prevents the passage of direct current, DBD is typically driven by AC or pulsed power supplies. When the intensity of the alternating electric field applied across the positive and negative electrodes reaches the gas breakdown strength, the gas between the electrodes breaks down, simultaneously creating a discharge channel. DBD is divided into surface DBD (SDBD) and volume DBD (VDBD).

[0003] Surface dielectric barrier discharge (SDBD) is a simple, flexible, portable, and scalable low-temperature plasma generation method that can uniformly and effectively treat wound surfaces, making it ideal for treating biological surfaces. Flexible SDBD electrodes, designed based on flexible substrate materials, integrate high-voltage / low-voltage metal electrodes through a printing and lamination process. Their unique bendability can adapt to the multi-curvature epidermal treatment needs of the human body. However, the bending of traditional one-piece flexible SDBDs leads to localized field strength enhancement and breakdown problems. In application, uneven discharge occurs, especially under bending conditions, resulting in severe electrode heating, frequent breakdowns during normal operation, localized field strength enhancement, and positive feedback of partial discharge, which can lead to localized electrode breakdown and associated risks.

[0004] Using the target tissue as the counter electrode, VDBD plasma treatment is applied directly to the biological body, resulting in highly efficient wound treatment. However, VDBD requires a flat wound surface and a certain distance between the treatment surface and the VDBD electrode for the working gas to enter. This distance needs to be sufficiently close, typically 1-2 mm, to achieve uniform discharge. This limits the size and flexibility of VDBD products. For uneven wound surfaces, it is impossible to guarantee a fixed distance from the wound, causing electrodes at greater distances to fail to discharge, resulting in uneven overall discharge, poor treatment effects, and limited application scenarios.

[0005] Existing plasma wound treatment devices all use single-module electrodes with a fixed treatment area, making them unsuitable for different wound sizes and shapes, resulting in poor treatment flexibility. The excessive redundancy between the discharge area and the active ingredient's action area and the wound's action area leads to excessive plasma treatment dosage, negatively impacting the wound treatment effect. This results in significant differences in discharge parameters for the same device treating different wounds, leading to inconsistent treatment outcomes and narrowing the applicable scenarios for these devices. Summary of the Invention

[0006] This invention provides a plasma electrode device to address one of the shortcomings of the prior art. This invention provides a modular, splicable plasma electrode device that, through innovative electrode components and a first connecting component, enables the splicing of multiple electrode sheets. It has advantages such as good adhesion to skin wounds, flexible expansion of treatment area, and reliable multi-unit connection, and can adapt to various irregular wounds and wounds of different sizes.

[0007] This invention provides a plasma electrode device, characterized in that it includes at least one electrode plate, the electrode plate comprising: Electrode components, including: Central electrode; Connecting electrodes, wherein a plurality of the connecting electrodes are arranged around and connected to the edge of the central electrode; A first connecting component is disposed on the connecting electrode. The first connecting component of one electrode piece is connected to the first connecting component of its adjacent electrode piece so that the electrode components of each electrode piece are electrically connected.

[0008] According to a plasma electrode device provided by the present invention, the first connecting component includes: A first insertion portion is disposed on the electrode component; A second insertion portion is disposed on the electrode component, wherein the second insertion portion of one electrode piece is adapted to be inserted into the first insertion portion of the adjacent electrode piece.

[0009] A plasma electrode device according to the present invention further includes: A flexible component is provided, which covers the outside of the electrode component. The first insertion part is a male connector, and the second insertion part is a female connector. The metal contacts of the male connector and the metal contacts of the female connector are exposed on the surface of the flexible component.

[0010] According to a plasma electrode device provided by the present invention, the electrode component has a first side and a second side opposite to each other, the first insertion portion is disposed on the first side, and the second insertion portion is disposed on the second side.

[0011] A plasma electrode device according to the present invention further includes: A flexible component, which covers the outside of the electrode component and extends outward beyond the connecting electrode at the edge of the electrode component to form a flexible connecting strip; The second connecting component is disposed on the flexible connecting strip.

[0012] According to a plasma electrode device provided by the present invention, the first connecting component is a conductive component, and the two ends of the conductive component are respectively exposed on the two side surfaces of the flexible component.

[0013] According to a plasma electrode device provided by the present invention, the connecting electrode is provided with a mounting hole, the electrode component has opposing first and second sides, and the conductive component includes: A base, the base being located on the second side; An elastic element is disposed within the mounting hole, and one end of the elastic element is connected to the base; A conductive needle is connected to the other end of the elastic member and extends from the first side along the mounting hole to the outside of the surface of the flexible member.

[0014] According to a plasma electrode device provided by the present invention, the second connecting component is a magnetic attraction component, which is located inside the flexible connecting strip.

[0015] According to a plasma electrode device provided by the present invention, the electrode component includes a positive electrode layer or a positive electrode layer and a negative electrode layer, wherein the positive electrode layer and the negative electrode layer correspond to each other and are stacked.

[0016] According to a plasma electrode device provided by the present invention, the flexible component includes: A first dielectric layer is laid on the first side surface; A second dielectric layer is laid on the second side surface; A spacer layer is stacked on the side of the second medium layer facing the treatment surface.

[0017] The plasma electrode device provided by this invention mainly consists of at least one connected electrode sheet. Each electrode sheet is primarily composed of electrode components and first connecting components. The electrode components mainly consist of a central electrode and connecting electrodes. The connecting electrodes are arranged around the central electrode and connected to its edge. The first connecting components are disposed on the connecting electrodes. When connecting electrode sheets, the connection is achieved through the cooperation of the first connecting components on the electrode sheets. The first connecting components not only achieve the connection effect but also ensure the conductive continuity between the electrode components on the connected electrode sheets, thereby ensuring that the discharge area formed by the central electrode can discharge normally and generate plasma to treat the wound. Multiple connecting electrodes arranged around the central electrode, with corresponding first connecting components on each connecting electrode, allow the electrode sheets to be spliced ​​from various directions, ensuring that the plasma electrode device can meet the area and shape requirements for wound treatment.

[0018] This invention provides a modular, splicable plasma electrode device. Through innovative electrode components and a first connecting component, multiple electrode sheets can be spliced ​​together. It has the advantages of good adhesion to skin wounds, flexible expansion of treatment area, and reliable multi-unit connection, and can adapt to various irregular wounds and wounds of different sizes.

[0019] The present invention can achieve overall flexibility by making each electrode unit smaller, that is, by making the electrode sheet area small, so that it can be used as a relatively rigid electrode unit, and by using the first connecting component on multiple small electrode sheets to achieve electrical and structural splicing.

[0020] When the electrode pads proposed in this invention belong to the dual-electrode surface SDBD discharge form, plasma is generated on the surface even without human intervention. When treating uneven or irregular wounds, it is not necessary to bend individual large electrode units. The discharge area of ​​individual small electrode pads does not undergo bending or physical deformation, and the discharge intensity and characteristics do not change, ensuring that the discharge of each electrode pad is completely consistent. Each spliced ​​electrode pad can more easily achieve uniform discharge, and the discharge state is not affected by the physical distance between the electrode and the target wound during actual treatment. The treatment effect on the wound is more uniform, and the electrical safety is higher, thereby solving the problem of localized enhanced discharge breakdown caused by the bending degree of traditional large-area flexible SDBD electrodes.

[0021] When the electrode sheet proposed in this invention belongs to the VDBD discharge form, the human body is used as the counter electrode to generate plasma. It is required that the distance between the human body and the wound surface be very close and uniform in order to achieve uniform discharge. By splicing individual small electrode sheets together, the flexibility of the plasma electrode device can be guaranteed on the one hand, and the size of the electrode sheet can be controlled on the other hand. The wound area treated by a single small electrode sheet is relatively flat and the distance is fixed. The concentration of active particles (RONS) is higher, the energy density is greater, and the ability to penetrate deep tissues and sterilize is usually stronger. This solves the problem that VDBD electrodes that use the treated object as the counter electrode are difficult to fit into irregular wound surfaces, resulting in uneven discharge distance and poor effect.

[0022] In practical wound treatment applications, wounds vary significantly in size, shape, and depth. Traditional single-piece electrodes fail to consider the specific morphology of the wound, employing a general approach of large-area coverage. However, this complete coverage method can lead to excessively high plasma doses, causing adverse effects and resulting in significant differences in discharge parameters for the same device on different wounds. This invention addresses this by using a modular electrode structure to configure the optimal plasma therapy electrode on-site, based on the actual wound size and shape. Furthermore, the discharge intensity of individual electrode pieces can be adjusted according to the wound depth, enabling optimized plasma therapy parameters for wounds of varying sizes. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in this invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0024] Figure 1 This is one of the schematic diagrams of the electrode sheet structure of the plasma electrode device provided in the embodiments of the present invention; Figure 2 This is one of the structural schematic diagrams of the plasma electrode device provided in the embodiments of the present invention; Figure 3 This is a second schematic diagram of the structure of the electrode sheet of the plasma electrode device provided in the embodiment of the present invention; Figure 4 This is a second schematic diagram of the structure of the plasma electrode device provided in the embodiment of the present invention; Figure 5 This is the third schematic diagram of the structure of the electrode sheet of the plasma electrode device provided in the embodiment of the present invention; Figure 6 yes Figure 5 AA section diagram; Figure 7 yes Figure 5 BB cross-section diagram; Figure 8 This is the third schematic diagram of the structure of the plasma electrode device provided in the embodiments of the present invention; Figure 9 This is the fourth schematic diagram of the structure of the plasma electrode device provided in the embodiments of the present invention.

[0025] Figure label: 100. Electrode sheet; 110. Electrode component; 111. Center electrode; 112. Connecting electrode; 113. Positive electrode layer; 114. Negative electrode layer; 120. First connecting component; 121. First insertion part; 122. Second insertion part; 123. Base; 124. Elastic element; 125. Conductive pin; 126. Conductive component; 130. Flexible component; 131. Flexible connecting strip; 132. First dielectric layer; 133. Second dielectric layer; 140. Second connecting component; 141. Magnetic attraction component; 200. Electrode wire. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of this invention clearer, the technical solutions of this invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this invention. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without creative effort are within the scope of protection of this invention.

[0027] In the description of the embodiments of the present invention, it should be noted that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of the present invention. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0028] In the description of the embodiments of the present invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of the present invention based on the specific circumstances.

[0029] In embodiments of the present invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0030] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0031] like Figure 1 and Figure 9 As shown, the plasma electrode device provided in this embodiment of the invention includes at least one electrode sheet 100. The electrode sheet 100 includes an electrode component 110, a first connecting component 120, and a flexible component 130. The first connecting component 120 is disposed on the electrode component 110. The first connecting component 120 of one electrode sheet 100 is correspondingly connected to the first connecting component 120 of its adjacent electrode sheet 100, so that the electrode components 110 of each electrode sheet 100 are electrically connected. The flexible component 130 covers the outside of the electrode component 110.

[0032] The plasma electrode device of this invention mainly consists of at least one electrode sheet 100 connected together. The electrode sheet 100 mainly consists of an electrode component 110, a first connecting component 120, and a flexible component 130. The electrode component 110 is wrapped by the flexible component 130. The first connecting component 120 is disposed on the electrode component 110. When the electrode sheets 100 are connected, the connection is achieved through the cooperation between the first connecting components 120 on the electrode sheets 100. While achieving the connection effect, the first connecting component 120 can also ensure the conductive connection between the electrode components 110 on the connected electrode sheets 100. When the first connecting components 120 are connected, a parallel circuit is automatically formed, thereby ensuring that the discharge area formed by the electrode sheet 100 can discharge normally and generate plasma to treat the wound.

[0033] This invention provides a modular, splicable plasma electrode device. Through the innovative electrode component 110 and the first connecting component 120, multiple electrode sheets 100 can be spliced ​​together. It has the advantages of good adhesion to skin wounds, flexible expansion of treatment area, and reliable multi-unit connection. It can adapt to various irregular wounds and wounds of different sizes.

[0034] The present invention can achieve an overall flexible effect by making each electrode unit smaller, that is, by making the electrode sheet 100 small in area, so that it can be used as a relatively rigid electrode unit, and by using the first connecting component 120 on multiple small electrode sheets 100 to achieve electrical and structural splicing.

[0035] When the electrode pads proposed in this invention belong to the dual-electrode surface SDBD discharge form, plasma is generated on the surface even without human intervention. When treating uneven or irregular wounds, it is not necessary to bend individual large electrode units. The discharge area of ​​a single small electrode pad 100 does not undergo bending or physical deformation, and the discharge intensity and characteristics do not change, ensuring that the discharge of each electrode pad 100 is completely consistent. Each spliced ​​electrode pad 100 can more easily achieve uniform discharge, and the discharge state is not affected by the physical distance between the electrode and the target wound during actual treatment. The treatment effect on the wound is more uniform, and the electrical safety is higher, thereby solving the problem of localized enhanced discharge breakdown caused by the bending degree of traditional large-area flexible SDBD electrodes.

[0036] When the electrode sheet proposed in this invention belongs to the VDBD discharge form, the human body is used as the counter electrode to generate plasma. It is required that the distance between the human body and the wound surface be very close and uniform in order to achieve uniform discharge. By splicing together individual small electrode sheets 100, the flexibility of the plasma electrode device can be guaranteed on the one hand, and the size of the electrode sheet can be controlled on the other hand. The wound area treated by a single small electrode sheet 100 is relatively flat and the distance is fixed. The concentration of active particles (RONS) is higher, the energy density is greater, and the ability to penetrate deep tissues and sterilize is usually stronger. This solves the problem that VDBD electrodes that use the treated object as the counter electrode are difficult to fit into irregular wound surfaces, resulting in uneven discharge distance and poor effect.

[0037] In practical wound treatment applications, wounds vary significantly in size, shape, and depth. Traditional single-piece electrodes fail to consider the specific morphology of the wound, employing a general approach of large-area coverage. However, this complete coverage method can lead to excessively high plasma doses, causing adverse effects and resulting in significant differences in discharge parameters for the same device on different wounds. This invention addresses this by using a modular electrode structure (100 pieces) to configure the optimal plasma therapy electrode on-site, based on the actual wound size and shape. Furthermore, the discharge intensity of each individual electrode piece (100) can be adjusted according to the wound depth, enabling optimized plasma therapy parameters for wounds of varying sizes.

[0038] According to an embodiment of the present invention, the electrode component 110 includes a central electrode 111 and a plurality of connecting electrodes 112, the plurality of connecting electrodes 112 surrounding the edge connected to the central electrode 111, and a first connecting component 120 disposed on the connecting electrodes 112.

[0039] The plasma electrode device of this invention mainly consists of at least one electrode sheet 100 connected together. Each electrode sheet 100 is primarily composed of an electrode component 110 and a first connecting component 120. The electrode component 110 mainly comprises a central electrode 111 and connecting electrodes 112. The connecting electrodes 112 are arranged around the central electrode 111 and connected to its edge. The first connecting components 120 are disposed on the connecting electrodes 112. Connection between the electrode sheets 100 is achieved through the cooperation of the first connecting components 120 on the electrode sheets 100. The first connecting components 120 not only achieve the connection effect but also ensure conductive continuity between the electrode components 110 on the connected electrode sheets 100, thereby ensuring that the discharge area formed by the central electrode 111 can discharge normally, generating plasma to treat the wound. Multiple connecting electrodes 112 arranged around the central electrode 111, with corresponding first connecting components 120 on each connecting electrode 112, allow the electrode sheets 100 to be spliced ​​from various directions, ensuring that the plasma electrode device can meet the area and shape requirements for wound treatment.

[0040] like Figure 2 As shown, according to an embodiment of the present invention, the first connecting member 120 includes a first plug-in portion 121 and a second plug-in portion 122. The first plug-in portion 121 is disposed on the electrode member 110; the second plug-in portion 122 is disposed on the electrode member 110, and the second plug-in portion 122 of an electrode piece 100 is adapted to be plugged into the first plug-in portion 121 of its adjacent electrode piece 100.

[0041] In this embodiment, the first connecting component 120 mainly consists of a first insertion part 121 and a second insertion part 122. That is, the splicing between adjacent electrode sheets 100 is achieved through insertion. The first insertion part 121 and the second insertion part 122 on each electrode sheet 100 are mutually compatible to ensure that the second insertion part 122 of one electrode sheet 100 is compatible with the first insertion part 121 of its adjacent electrode sheet 100. The first connecting component 120 is constructed as an insertion structure, which not only ensures the conductive connection between the electrode sheets 100, but also achieves a fixed connection in structure, further simplifying the structural composition of the electrode sheets 100 and meeting the requirements of miniaturized and integrated plasma electrode devices.

[0042] According to one embodiment of the present invention, the first plug portion 121 is a male connector head, and the second plug portion 122 is a female connector head. The metal contacts of the male connector head and the metal contacts of the female connector head are both exposed on the surface of the flexible component 130.

[0043] In this embodiment, the first connecting component 120 adopts a novel board-to-board micro connector, injection molded within the flexible component 130. While connecting to the connecting electrode 112, only the metal contacts are exposed. The first insertion part 121 can be a male connector, and the second insertion part 122 can be a female connector. During assembly, the male connector of one electrode piece 100 is inserted into the female connector of the adjacent electrode piece 100 to achieve locking. The metal contacts not only serve as a current-sharing channel for discharge current but also possess certain structural strength and limiting characteristics, fixing the two electrode pieces 100 together.

[0044] In this embodiment, the surface of the metal contact is coated with a plasma corrosion resistant coating, such as a ceramic layer, to prevent corrosion from external environmental factors, protect the metal contact, and extend its service life.

[0045] According to one embodiment of the present invention, the electrode component 110 has a first side and a second side opposite to each other, a first insertion portion 121 is disposed on the first side, and a second insertion portion 122 is disposed on the second side.

[0046] In this embodiment, the two sides of the electrode component 110 are respectively the first side and the second side, that is, the center electrode 111 and the connecting electrode 112 both have the first side and the second side. The first plug-in part 121 is connected to the first side of the connecting electrode 112 where it is located, and the second plug-in part 122 is connected to the second side of the connecting electrode 112 where it is located. That is, the first plug-in part 121 and the second plug-in part 122 are respectively located on two opposite sides of the electrode component 110, but not on the same side. The connector male head and the connector female head expose metal contacts on opposite sides of the electrode component 110. The electrode pieces 100 are spliced ​​in a form where the edges gradually overlap upwards or downwards, which facilitates the connection of the electrode pieces 100.

[0047] In other embodiments, the first insertion part 121 and the second insertion part 122 may also be located on the same side of the electrode component 110, and the electrode sheets 100 are spliced ​​in a form in which the edges are alternately stacked up and down.

[0048] According to an embodiment of the present invention, the center electrode 111 is rectangular in shape and has a first set of edges and a second set of edges that are diagonally distributed. A first insertion part 121 is disposed on a first side of the connecting electrode 112 on the first set of edges, and a second insertion part 122 is disposed on a second side of the connecting electrode 112 on the second set of edges.

[0049] In this embodiment, the outer edge contour of the central electrode 111 is rectangular, forming a rectangular discharge area. The four sides of the central electrode 111 are defined as a first wide side, a second wide side, a first long side, and a second long side. The angle formed by the first long side and the first wide side is diagonal to the angle formed by the second wide side and the second long side. Therefore, the first long side and the first wide side form a first set of edges, and the second long side and the second wide side form a second set of edges. At least one connecting electrode 112 is provided on each of the four edges of the central electrode 111. A first insertion part 121 is provided on the first side of the connecting electrode 112 on the first set of edges, and a second insertion part 122 is provided on the second side of the connecting electrode 112 on the second set of edges.

[0050] Therefore, designing the electrode component 110 as a regular rectangular structure is beneficial to the structural design of the electrode component 110 and the controllability of the discharge area. Furthermore, the first insertion part 121 and the second insertion part 122 are respectively set at diagonal positions to establish splicing functions in four directions, thereby improving the splicing flexibility and applicability of the plasma electrode device.

[0051] According to one embodiment of the present invention, the electrode component 110 includes a positive electrode layer 113, and at least one connecting electrode 112 is provided on each of the four edges of the central electrode 111 of the positive electrode layer 113.

[0052] In this embodiment, the electrode sheet 100 is a volume DBD (VDBD), so the electrode component 110 only contains the positive electrode layer 113, and the treatment surface of the human body serves as the counter electrode. Plasma is generated between the positive electrode and the counter electrode to achieve the effect of wound treatment.

[0053] In this embodiment, a connecting electrode 112 is provided on each of the four sides of the rectangular central electrode 111, and the connecting electrodes 112 are located at the midpoint of the four sides to ensure the stability and balance of the connection structure. In other embodiments, the number of connecting electrodes 112 on each side can be adjusted according to actual needs.

[0054] like Figure 3 and Figure 4 As shown, according to an embodiment of the present invention, the electrode component 110 further includes a negative electrode layer 114, which corresponds to and is stacked with the positive electrode layer 113. The four edges of the central electrode 111 of the negative electrode layer 114 are provided with at least two connecting electrodes 112, and at least one connecting electrode 112 of the positive electrode layer 113 is provided between two adjacent connecting electrodes 112 on one edge of the central electrode 111 of the negative electrode layer 114.

[0055] In this embodiment, the electrode sheet 100 is a surface DBD (SDBD), so the electrode component 110 includes a positive electrode layer 113 and a negative electrode layer 114. The positive electrode layer 113 and the negative electrode layer 114 can be placed in parallel with a dielectric layer in between to form a stacked structure, or they can be arranged in a cross-comb shape on the same plane, that is, an alternating arrangement on the same plane.

[0056] In this embodiment, the rectangular outline formed by the positive electrode layer 113 and the negative electrode layer 114 has three connecting electrodes 112 on each of its four sides. One of these is a first connecting electrode 112 connected to the positive electrode layer 113, and the other two are second connecting electrodes 112 connected to the negative electrode layer 114. The two second connecting electrodes 112 are located on either side of the two first connecting electrodes 112, ensuring the stability and balance of the connection structure. In other embodiments, the number of connecting electrodes 112 on each side can be adjusted according to actual needs, such as alternating between the first and second connecting electrodes 112.

[0057] According to one embodiment of the present invention, the flexible member 130 extends outward beyond the connecting electrode 112 at the edge of the electrode member 110 to form a flexible connecting strip 131.

[0058] In this embodiment, the flexible component 130, while covering the central electrode 111, extends outward from the edge of the central electrode 111 until it exceeds the edge of the connecting electrode 112, forming an annular flexible connecting strip 131 around the central electrode 111. That is, the connecting electrode 112 is formed by extending the central electrode 111 into the flexible connecting strip 131. The flexible connecting strip 131 is embedded with shape memory alloy wires, so that it can be bent into an ideal shape and remain relatively fixed after splicing.

[0059] A single electrode unit consists of a relatively rigid central electrode 111 and a flexible connecting strip 131 on the periphery. The central electrode 111 area is the main discharge structure, and the flexible connecting strip 131 contains connecting electrodes 112 for splicing multiple electrode units. The area can be expanded at will, and the flexible connecting strip 131 makes the connection flexible and bendable.

[0060] like Figure 5 and Figure 6 As shown, according to one embodiment of the present invention, the plasma electrode device further includes a second connecting member 140, which is disposed on the flexible connecting strip 131.

[0061] In this embodiment, the plasma electrode device mainly consists of an electrode component 110, a first connecting component 120, a flexible component 130, and a second connecting component 140. The first connecting component 120 serves only to provide conductive communication between the electrode pieces 100, while the second connecting component 140 provides structural connection and fixation between the electrode pieces 100. The first connecting component 120 is disposed on the connecting electrode 112 of the electrode component 110, and the second component is disposed on the flexible connecting strip 131. By placing the conductive and structural connection functions on different connecting components and in different locations, the stability of each function is ensured, preventing interference and facilitating maintenance and replacement.

[0062] like Figure 7 and Figure 8 As shown, according to an embodiment of the present invention, the first connecting member 120 is a conductive member 126, and the two ends of the conductive member 126 are exposed on both sides of the flexible member 130.

[0063] In this embodiment, the first connecting component 120 adopts a conductive component 126. While the conductive component 126 connects to the connecting electrode 112, it also exposes the two conductive ends on the two sides of the flexible component 130. That is, one end extends outward from the first side of the electrode component 110 to the surface of the flexible component 130, and the other end extends outward from the second side of the electrode component 110 to the surface of the flexible component 130. In this way, when the two electrode sheets 100 are spliced, the stacking direction can be set at will, and the conductive connection effect can be guaranteed.

[0064] According to an embodiment of the present invention, the connecting electrode 112 is provided with a mounting hole, and the conductive component 126 includes a base 123, an elastic element 124 and a conductive pin 125. The base 123 is located on the second side; the elastic element 124 is disposed in the mounting hole, and one end of the elastic element 124 is connected to the base 123; the conductive pin 125 is connected to the other end of the elastic element 124 and extends from the first side along the mounting hole to the surface of the flexible component 130.

[0065] In this embodiment, each connecting electrode 112 is provided with a mounting hole. The conductive component 126 can be selected as a spring pin, mainly composed of a base 123, an elastic element 124, and a conductive pin 125. The elastic element 124 is located in the mounting hole, with its two ends connected to the base 123 and the conductive pin 125, respectively. The base 123 is flush with the surface of the flexible component 130, and the conductive pin 125 protrudes from the surface of the flexible component 130. When two electrode pieces 100 are spliced, the conductive pin 125 of one electrode piece 100 abuts against the base of the other electrode piece 100.

[0066] In other embodiments, the spring needle can also be connected to the connecting electrode 112 by embedding, welding, or other methods. The spring needle may also include a needle tube, and the elastic element 124 is a spring. The base 123 serves as the needle tail, and the conductive needle 125 serves as the needle head. The needle head and needle tail are respectively fitted onto both ends of the needle tube. The spring, encapsulated within the needle tube, generates tension on the needle head and needle tail. The needle head is fitted into the internal structure of the needle tube and can be any common form such as a reverse-drilled type, an angled type, or a spherical type; this embodiment uses an angled type. The needle tube is disposed within the mounting hole, and the flexible component 130 at the location of the needle head has a through hole. The needle head passes through the through hole and protrudes from the through hole.

[0067] According to one embodiment of the present invention, the second connecting member 140 is a magnetic member 141, which is located inside the flexible connecting strip 131.

[0068] In this embodiment, the second connecting component 140 may be a magnetic component 141. The magnetic component 141 is fully embedded in the flexible connecting strip 131 and is composed of a magnet and a magnetic conductive sheet. It may also include a silicone buffer layer.

[0069] The magnetic components 141 and conductive components 126 can be arranged alternately in various ways and in multiple quantities on the flexible connecting strip 131. In this embodiment, one electrode sheet 100 is provided with four magnetic components 141 and four conductive components 126. The conductive components 126 are located at the midpoints of the four sides of the central electrode 111, and the magnetic components 141 are located at the four corners of the flexible connecting strip 131. Alternatively, the magnetic components 141 can be located at the midpoint of the flexible connecting strip 131, and the conductive components 126 can be located at the four corners of the central electrode 111.

[0070] When the flexible connecting strips 131 on one side of the two electrode pieces 100 are overlapped, the magnetic attraction components 141 of the two electrode pieces 100 are positioned and attracted, and the base 123 of the upper electrode piece 100 and the conductive pin 125 of the other electrode piece 100 form an elastic electrical connection, thereby forming an electrical connection between the center electrodes 111 of the two electrode pieces 100.

[0071] According to one embodiment of the present invention, the flexible component 130 includes a first dielectric layer 132, a second dielectric layer 133 and a spacer layer, wherein the second dielectric layer 133 is stacked with the first dielectric layer 132, and the electrode component 110 is disposed between the first dielectric layer 132 and the second dielectric layer 133; the spacer layer is stacked on the side of the second dielectric layer 133 facing the treatment surface.

[0072] In this embodiment, the flexible component 130 is mainly composed of a first dielectric layer 132, a second dielectric layer 133 and a spacer layer. The first dielectric layer 132 is laid on the first side of the electrode component 110, and the second dielectric layer 133 is laid on the second side of the electrode component 110; the spacer layer is stacked on the side of the second dielectric layer 133 facing the treatment surface. The electrode sheet 100 is sequentially provided with the first dielectric layer 132, the electrode component 110, the second dielectric layer 133 and the spacer layer in the direction gradually approaching the treatment surface. The spacer layer is used to separate the electrode sheet 100 from the wound surface by a fixed distance.

[0073] The metal contacts of the female connector are exposed outside the first dielectric layer 132, the metal contacts of the male connector are exposed outside the second dielectric layer 133, the conductive needle 125 penetrates outside the first dielectric layer 132, and the base 123 is flush with the surface of the second dielectric layer 133.

[0074] According to an embodiment provided by the present invention, the flexible component 130 is rectangular, and the side length of the flexible component 130 is greater than or equal to 2 cm.

[0075] In this embodiment, the central electrode 111 has a rectangular edge contour. Flexible connection bands 131 extend equidistantly outward from the central electrode 111 to construct a flexible component 130 with a rectangular structural contour, so that the entire electrode sheet 100 is rectangular. At the same time, in order to solve the insulation withstand voltage problem between high voltage and low voltage of discharge between connectors, the sizes (length L and width W) of reasonable module electrodes and the discharge distance (d) between high voltage and low voltage inside the module electrodes are constrainedly designed to ensure that the discharge amplitude voltage Upulse is much smaller than the insulation withstand voltage Uiso at the interface (Upulse << Uiso), which not only ensures stable discharge but also does not affect the electrical safety problem of the insulation withstand voltage at the splicing interface of electrode sheet 100 and electrode sheet 100.

[0076] The structure of the central electrode 111 is diverse and can be serpentine, spiral, comb-shaped, honeycomb-shaped, etc. Connecting electrodes 112 extend from the central electrode 111 to the flexible connection bands 131 at specific positions.

[0077] The plasma electrode device of the present invention further includes an electrode wire 200 connected to an external power supply. When multiple electrode sheets 100 are spliced, only one electrode sheet 100 with an electrode wire 200 needs to be used as the "core unit".

[0078] Each electrode 100 discharges independently, ensuring stable discharge power across the entire electrode discharge surface after splicing. The power supply's discharge drive power can be optimally configured based on the number of electrode 100 required for the treatment scenario. The power supply has high overall discharge efficiency and higher precision in discharge control during wound treatment, allowing the treatment effect to reach the theoretical optimal state. At the same time, the volume and size of the entire plasma electrode device can be further optimized to achieve miniaturization and portability.

[0079] The purpose of this invention is to provide a modular, splicable plasma electrode. Through innovative electrode modules and inter-module connection structures, multiple electrode units can be spliced ​​together, which has the advantages of good adhesion to skin wounds, flexible expansion of treatment area, and reliable connection of multiple units, and can adapt to various irregular wounds.

[0080] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A plasma electrode device, characterized in that, Includes at least one electrode sheet, said electrode sheet comprising: Electrode components, including: Central electrode; Connecting electrodes, wherein a plurality of the connecting electrodes are arranged around and connected to the edge of the central electrode; A first connecting component is disposed on the connecting electrode. The first connecting component of one electrode piece is connected to the first connecting component of its adjacent electrode piece so that the electrode components of each electrode piece are electrically connected.

2. The plasma electrode device according to claim 1, characterized in that, The first connecting component includes: A first insertion portion is disposed on the electrode component; A second insertion portion is disposed on the electrode component, wherein the second insertion portion of one electrode piece is adapted to be inserted into the first insertion portion of the adjacent electrode piece.

3. The plasma electrode device according to claim 2, characterized in that, Also includes: A flexible component is provided, which covers the outside of the electrode component. The first insertion part is a male connector, and the second insertion part is a female connector. The metal contacts of the male connector and the metal contacts of the female connector are exposed on the surface of the flexible component.

4. The plasma electrode device according to claim 3, characterized in that, The electrode component has a first side and a second side opposite to each other, the first insertion part is disposed on the first side, and the second insertion part is disposed on the second side.

5. The plasma electrode device according to claim 1, characterized in that, Also includes: A flexible component, which covers the outside of the electrode component and extends outward beyond the connecting electrode at the edge of the electrode component to form a flexible connecting strip; The second connecting component is disposed on the flexible connecting strip.

6. The plasma electrode device according to claim 5, characterized in that, The first connecting component is a conductive component, and the two ends of the conductive component are exposed on both sides of the flexible component.

7. The plasma electrode device according to claim 6, characterized in that, The connecting electrode is provided with a mounting hole, the electrode component has opposing first and second sides, and the conductive component includes: A base, the base being located on the second side; An elastic element is disposed within the mounting hole, and one end of the elastic element is connected to the base; A conductive needle is connected to the other end of the elastic member and extends from the first side along the mounting hole to the outside of the surface of the flexible member.

8. The plasma electrode device according to claim 5, characterized in that, The second connecting component is a magnetic component, which is located inside the flexible connecting strip.

9. The plasma electrode device according to any one of claims 1 to 8, characterized in that, The electrode component includes a positive electrode layer or a positive electrode layer and a negative electrode layer, wherein the positive electrode layer and the negative electrode layer correspond to each other and are stacked.

10. The plasma electrode device according to claim 4 or 7, characterized in that, The flexible component includes: A first dielectric layer is laid on the first side surface; A second dielectric layer is laid on the second side surface; A spacer layer is stacked on the side of the second medium layer facing the treatment surface.

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