Hydrogel electrode plate
Through the folding and layered structure of the side patch connected by magnetic suction, the problem of electrode sheet falling off on the curved skin is solved, the adsorption performance and the stability of current treatment are improved, the service life is extended and the discomfort is reduced.
Patent Information
- Application Number
- CN202420513250.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-15
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-03-15
AI Technical Summary
Existing electrode sheets tend to fall off when sticking to more curved skin, affecting the treatment effect.
The contact area between the device and the skin is increased by folding the side patches connected by magnetic suction, and the uniform current transmission and stability of the adhesion layer are ensured through a layered structure and a conductive module.
It improves the device's adsorption performance to the skin and the stability of current treatment, extends the device's service life, and reduces discomfort.
Smart Images

Figure CN222324119U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical equipment, in particular to a hydrogel electrode sheet. Background Art
[0002] An electrical therapy device is a medical device used to treat diseases or relieve symptoms through electrical stimulation and is commonly used in areas such as physical therapy, rehabilitation, and pain management.
[0003] The Chinese patent with the existing authorization announcement number CN219440419U discloses an ultrasonic therapy hydrogel electrode patch. It includes a metal electrode layer and a hydrogel layer. The hydrogel layer is used to replace the original water stop ring. The softness of the hydrogel layer is used to better fit the human body for treatment. The fit is more comfortable, and the hydrogel layer has stronger adhesion than the original water stop ring, which can effectively prevent the drug from flowing out of the metal electrode during the treatment process.
[0004] An electric current therapy device is usually composed of a control panel, a power supply, an output channel and a current source, wherein the output channel mainly transmits the electric current from the electric current therapy device to a specific area of the patient's body, and the output channel is usually composed of electrode patches or wires, which can be connected to the target area on the patient's skin. The hydrogel electrode patch is usually made of a conductive material and has good conductivity and good contact with the skin. However, in order to be easy to carry, the existing electrode patches are usually designed in smaller circles and squares. When stuck to relatively curved skin, they are easy to fall off the skin, affecting the treatment effect. Utility Model Content
[0005] In view of the problem that the above-mentioned existing electrode sheets are usually designed in a small round or square shape for the sake of portability, and are easily peeled off from the skin when adhered to relatively curved skin, thus affecting the treatment effect, the present invention is proposed.
[0006] Therefore, the purpose of the utility model is to provide a hydrogel electrode sheet, the purpose of which is to increase the contact area between the device and the skin and ensure the adsorption performance of the device on the skin by folding the magnetically connected and non-conductive side patch and contacting the skin through multiple adhesive layers on the side patch.
[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a hydrogel electrode sheet, comprising a wire and a patch body, one end of the wire extending into the inside of the patch body, a pasting module being arranged on the surface of the patch body, a layering module being arranged at the bottom of the pasting module, and a conductive module being arranged between the patch body and the layering module;
[0008] The pasting module includes a patch unit and a magnetic unit. The patch unit includes a main patch. Sub-patches are arranged on the outside of the main patch. The sub-patches are distributed at both ends of the main patch. Side patches are arranged between the sub-patches. The wire is usually a soft and conductive material. One end of the wire is connected to the output channel of the current therapy device to transmit the current signal. The patch body is the collection of the device except the outside of the conductive module, and the name does not specify the specific structure. The sub-patches can be used alone in contact with the skin or the main patch and the sub-patches can be used together. In some parts where the skin is relatively complete, the side patches are folded to fit with the main patch and the sub-patches, thereby increasing the contact area between the device and the skin.
[0009] As a preferred embodiment of the hydrogel electrode sheet of the utility model, the magnetic attraction unit includes an insulating strip, the side patches are connected to the main patch through the insulating strip, the insulating strips are arranged side by side and symmetrically, the insulating strips are adhered to the outside of the main patch through the insulating strips and do not contact the sub-patches, and when in use, the side patches are not energized.
[0010] As a preferred solution of the hydrogel electrode sheet of the utility model, a positive magnetic block is arranged on one side of the side patch, and a negative magnetic block is arranged on the other side of the side patch, and the positive magnetic block and the negative magnetic block have opposite magnetic properties. When the device is not in use, the positive magnetic block and the negative magnetic block have opposite magnetic properties, generating suction, so that the side patch is always in a stretched state when not in use.
[0011] As a preferred embodiment of the hydrogel electrode sheet of the utility model, an upper adhesive layer is provided on one side of the side patch, a lower adhesive layer is provided on the other side of the side patch, ionization paper is provided on the surfaces of the upper adhesive layer and the lower adhesive layer, and when the side patch close to the upper adhesive layer is turned over, it is in contact with the skin after being bonded with the main patch and the sub-patch, and when the side patch close to the lower adhesive layer is turned over, it directly contacts the skin, and the ionization paper on the upper adhesive layer and the lower adhesive layer needs to be torn off when in use to extend the shelf life of the upper adhesive layer and the lower adhesive layer, and the upper adhesive layer and the lower adhesive layer are usually made of medical glue.
[0012] As a preferred embodiment of the hydrogel electrode sheet of the utility model, the layered module includes a base surface layer, a hydrogel conductive layer is arranged at the bottom of the base surface layer, a non-woven fabric layer is arranged at the bottom of the hydrogel conductive layer, an adhesive layer is arranged at the bottom of the non-woven fabric layer, the base surface layer is usually a soft material with good conductivity, usually medical silicone, used to support the shape of the device, the hydrogel conductive layer is usually made of a hydrogel material containing conductive particles to ensure that the current can be evenly transmitted to the treatment area, the non-woven fabric layer mainly functions to partially isolate the hydrogel conductive layer and the adhesive layer to avoid large-area contact of the adhesive layer with the skin and reduce discomfort, the adhesive layer is made of the same material as the upper adhesive layer and the lower adhesive layer, which can ensure that the hydrogel conductive layer is tightly attached to the skin surface to provide stable current transmission.
[0013] As a preferred embodiment of the hydrogel electrode sheet of the utility model, the conductive module comprises an aluminum sheet, the surface of the aluminum sheet is provided with electrode contacts, the top of the electrode contacts is connected to the wire, and the electrode contacts are interfaces for output electrodes to transmit current to the patient's body parts.
[0014] As a preferred solution of the hydrogel electrode sheet of the utility model, a conductive ring is fixedly installed on the bottom of the aluminum sheet, a slot is provided on the outer side of the conductive ring, the conductive ring is installed on the inner side of the hydrogel conductive layer through the slot, and a hole that matches the slot is provided on the inner side of the hydrogel conductive layer. The conductive ring can conduct the current conducted by the electrode contact to the hydrogel conductive layer more evenly in an embedded manner.
[0015] As a preferred embodiment of the hydrogel electrode sheet of the utility model, a groove is provided on the inner side of the conductive ring, and foam cotton is arranged on the inner side of the groove. The foam cotton is distributed in a ring array around the electrode contacts. The foam cotton can keep the device dry and extend the service life of the device, or be filled with medicine inside so that the device also has a certain medicine application function when stimulated by electric current.
[0016] Beneficial effects of the utility model:
[0017] 1. When the side patch is turned over near the upper sub-adhesive layer, it is attached to the main patch and the sub-patch and then in contact with the skin. When the side patch is turned over near the lower sub-adhesive layer, it is in direct contact with the skin. The ionized paper on the upper and lower sub-adhesive layers needs to be torn off during use to extend the shelf life of the upper and lower sub-adhesive layers and ensure the device's adsorption performance on the skin.
[0018] 2. The current is conducted through the non-woven fabric layer embedded in the hydrogel conductive layer made of hydrogel material containing conductive particles to ensure that the current can be evenly transmitted to the treatment area. The hydrogel conductive layer and the adhesive layer are partially isolated by the non-woven fabric layer to avoid large-area contact of the adhesive layer with the skin and reduce discomfort. The adhesive layer is made of the same material as the upper and lower adhesive layers to ensure that the hydrogel conductive layer is tightly attached to the skin surface to provide stable current transmission and ensure the current treatment effect.
[0019] 3. The foam cotton arranged in the groove absorbs water vapor to keep the device dry and extend the service life of the device, or the foam cotton filled with medicine inside is replaced so that the device also has a certain medicine application function when stimulated by electric current. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:
[0021] Figure 1 The figure is a schematic diagram of the overall structure of the hydrogel electrode sheet of the utility model.
[0022] Figure 2 The utility model is a schematic diagram of the explosion decomposition structure of the hydrogel electrode sheet.
[0023] Figure 3 This is a schematic diagram of the exploded structure of the magnetic attraction module of the hydrogel electrode sheet of the utility model.
[0024] Figure 4 The utility model is a schematic diagram of the related structure of the wire and the conductive module of the hydrogel electrode sheet.
[0025] Figure 5 It is a schematic diagram of the cross-sectional structure of the conductive module of the hydrogel electrode sheet of the utility model.
[0026] Description of reference numerals:
[0027] 1. Wire; 2. Patch body; 3. Paste module; 31. Patch unit; 311. Total patch; 312. Sub-patch; 313. Side patch; 32. Magnetic unit; 321. Insulating tape; 322. Positive magnetic block; 323. Negative magnetic block; 324. Upper sub-adhesive layer; 325. Lower sub-adhesive layer; 4. Layered module; 41. Base layer; 42. Hydrogel conductive layer; 43. Non-woven fabric layer; 44. Adhesive layer; 5. Conductive module; 51. Aluminum sheet; 52. Electrode contact; 53. Conductive ring; 54. Slot; 55. Groove; 56. Foam. DETAILED DESCRIPTION
[0028] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.
[0029] Example 1
[0030] Reference Figure 1-4 , which is the first embodiment of the utility model, provides a hydrogel electrode sheet, which includes a wire 1 and a patch body 2, one end of the wire 1 extends into the interior of the patch body 2, a pasting module 3 is arranged on the surface of the patch body 2, a layering module 4 is arranged at the bottom of the pasting module 3, a conductive module 5 is arranged between the patch body 2 and the layering module 4, the pasting module 3 includes a patch unit 31 and a magnetic unit 32, the patch unit 31 includes a total patch 311, sub-patches 312 are arranged on the outside of the total patch 311, the sub-patches 312 are distributed at both ends of the total patch 311, and side patches 313 are arranged between the sub-patches 312.
[0031] The magnetic unit 32 includes an insulating rubber strip 321 , and the side patches 313 are connected to the main patch 311 via the insulating rubber strip 321 . The insulating rubber strips 321 are arranged parallel to each other and symmetrically.
[0032] A positive magnetic block 322 is disposed on one side of the side patch 313 , and a negative magnetic block 323 is disposed on the other side of the side patch 313 . The positive magnetic block 322 and the negative magnetic block 323 have opposite magnetic properties.
[0033] An upper adhesive layer 324 is disposed on one side of the side patch 313 , and a lower adhesive layer 325 is disposed on the other side of the side patch 313 . Surfaces of the upper adhesive layer 324 and the lower adhesive layer 325 are both provided with ionized paper.
[0034] During use, the device can be used alone with the skin through the sub-patch 312, or the main patch 311 and the sub-patch 312 can be used together, and in some parts of the skin that are relatively intact, the insulating tape 321 is folded and adhered to the outside of the main patch 311 without contacting the sub-patch 312, and the side patch 313 that is not powered during use is attached to the main patch 311 and the sub-patch 312, thereby increasing the contact area between the device and the skin, and when the side patch 313 is not in use, due to the positive magnetic block 322 and the negative The magnetic properties of the magnetic block 323 are opposite, generating suction, so that the side patch 313 is always in a stretched state when not in use, and when the side patch 313 is turned over close to the upper sub-adhesive layer 324, it is in contact with the skin after being attached to the main patch 311 and the sub-patch 312. When the side patch 313 is turned over close to the lower sub-adhesive layer 325, it directly contacts the skin. The ionized paper on the upper sub-adhesive layer 324 and the lower sub-adhesive layer 325 needs to be torn off when in use, which prolongs the shelf life of the upper sub-adhesive layer 324 and the lower sub-adhesive layer 325 and ensures the device's adsorption performance on the skin.
[0035] Example 2
[0036] Reference Figure 1-5 , which is the second embodiment of the utility model, and this embodiment is different from the first embodiment in that:
[0037] The layered module 4 comprises a base surface layer 41 , a hydrogel conductive layer 42 is disposed at the bottom of the base surface layer 41 , a non-woven fabric layer 43 is disposed at the bottom of the hydrogel conductive layer 42 , and an adhesive layer 44 is disposed at the bottom of the non-woven fabric layer 43 .
[0038] The conductive module 5 includes an aluminum sheet 51 . An electrode contact 52 is disposed on the surface of the aluminum sheet 51 . The top of the electrode contact 52 is connected to the wire 1 .
[0039] A conductive ring 53 is fixedly mounted on the bottom of the aluminum sheet 51 . A slot 54 is formed on the outer side of the conductive ring 53 . The conductive ring 53 is mounted on the inner side of the hydrogel conductive layer 42 through the slot 54 .
[0040] A groove 55 is formed on the inner side of the conductive ring 53 . Foam 56 is disposed on the inner side of the groove 55 . The foam 56 is distributed in a ring array around the electrode contacts 52 .
[0041] During use, a base layer 41 is made of medical silicone to support the outer shape of the device, and an electrode contact 52 is connected to the wire 1 as an output electrode, which is an interface for transmitting current to the patient's body part. The current is conducted by a non-woven fabric layer 43 embedded in the hydrogel conductive layer 42 made of a hydrogel material containing conductive particles to ensure that the current can be evenly transmitted to the treatment area. The hydrogel conductive layer 42 and the adhesive layer 44 are partially isolated by the non-woven fabric layer 43 to avoid large-area contact of the adhesive layer 44 with the skin and reduce discomfort. The adhesive layer 44 is made of the same material as the upper adhesive layer 324 and the lower adhesive layer 325, which can ensure that the hydrogel conductive layer 42 is tightly attached to the skin surface to provide stable current transmission and ensure the current treatment effect. The foam cotton 56 set in the groove 55 absorbs water vapor to keep the device dry and extend the service life of the device, or the foam cotton 56 filled with medicine inside is replaced, so that the device also has a certain medicinal application function when stimulated by current.
[0042] The remaining structures are the same as those of Example 1.
[0043] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.
Claims
1. A hydrogel electrode patch, comprising a wire (1) and a patch body (2), wherein one end of the wire (1) extends into the interior of the patch body (2), and is characterized in that: The surface of the patch body (2) is provided with an adhesive module (3), the bottom of the adhesive module (3) is provided with a layering module (4), and a conductive module (5) is provided between the patch body (2) and the layering module (4); The pasting module (3) comprises a patch unit (31) and a magnetic attraction unit (32); the patch unit (31) comprises a main patch (311); sub-patches (312) are arranged outside the main patch (311); the sub-patches (312) are distributed at both ends of the main patch (311); and side patches (313) are arranged between the sub-patches (312).
2. The hydrogel electrode sheet according to claim 1, characterized in that: The magnetic attraction unit (32) comprises an insulating rubber strip (321), and the side patches (313) are connected to the main patch (311) via the insulating rubber strip (321), and the insulating rubber strips (321) are arranged in parallel and symmetrically.
3. The hydrogel electrode sheet according to claim 2, characterized in that: A positive magnetic block (322) is arranged on one side of the side patch (313), and a negative magnetic block (323) is arranged on the other side of the side patch (313); the positive magnetic block (322) and the negative magnetic block (323) have opposite magnetic properties.
4. The hydrogel electrode sheet according to claim 3, characterized in that: An upper adhesive layer (324) is provided on one side of the side patch (313), and a lower adhesive layer (325) is provided on the other side of the side patch (313), and ionized paper is provided on the surfaces of the upper adhesive layer (324) and the lower adhesive layer (325).
5. The hydrogel electrode sheet according to claim 1, characterized in that: The layered module (4) comprises a base surface layer (41), a hydrogel conductive layer (42) is arranged at the bottom of the base surface layer (41), a non-woven fabric layer (43) is arranged at the bottom of the hydrogel conductive layer (42), and an adhesive layer (44) is arranged at the bottom of the non-woven fabric layer (43).
6. The hydrogel electrode sheet according to claim 1, characterized in that: The conductive module (5) comprises an aluminum sheet (51), an electrode contact (52) is provided on the surface of the aluminum sheet (51), and the top of the electrode contact (52) is connected to the wire (1).
7. The hydrogel electrode sheet according to claim 6, characterized in that: A conductive ring (53) is fixedly mounted on the bottom of the aluminum sheet (51), a slot (54) is provided on the outer side of the conductive ring (53), and the conductive ring (53) is mounted on the inner side of the hydrogel conductive layer (42) through the slot (54).
8. The hydrogel electrode sheet according to claim 7, characterized in that: A groove (55) is provided on the inner side of the conductive ring (53), and foam cotton (56) is arranged on the inner side of the groove (55). The foam cotton (56) is distributed in a ring array around the electrode contact (52).
Citation Information
Patent Citations
Hydrogel electrode patch for ultrasonic physiotherapy
CN219440419U