CN220676242U - Electric field dressing - Google Patents
Electric field dressing Download PDFInfo
- Publication number
- CN220676242U CN220676242U CN202321714138.9U CN202321714138U CN220676242U CN 220676242 U CN220676242 U CN 220676242U CN 202321714138 U CN202321714138 U CN 202321714138U CN 220676242 U CN220676242 U CN 220676242U
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- China
- Prior art keywords
- electric field
- anode material
- cathode material
- layer
- film layer
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- 230000005684 electric field Effects 0.000 title claims abstract description 30
- 239000010405 anode material Substances 0.000 claims abstract description 34
- 239000010406 cathode material Substances 0.000 claims abstract description 32
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000000741 silica gel Substances 0.000 claims abstract description 21
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 21
- 239000006260 foam Substances 0.000 claims abstract description 18
- 108010025899 gelatin film Proteins 0.000 claims abstract description 18
- 239000000758 substrate Substances 0.000 claims abstract 4
- 238000004080 punching Methods 0.000 claims description 9
- 208000027418 Wounds and injury Diseases 0.000 abstract description 48
- 206010052428 Wound Diseases 0.000 abstract description 46
- 230000012010 growth Effects 0.000 abstract description 6
- 238000011084 recovery Methods 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 230000006378 damage Effects 0.000 abstract description 3
- 244000005700 microbiome Species 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 208000014674 injury Diseases 0.000 abstract description 2
- 210000003491 skin Anatomy 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- 230000035876 healing Effects 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 210000002615 epidermis Anatomy 0.000 description 2
- 210000000416 exudates and transudate Anatomy 0.000 description 2
- 230000037311 normal skin Effects 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 229920006268 silicone film Polymers 0.000 description 2
- 241000521257 Hydrops Species 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 208000028990 Skin injury Diseases 0.000 description 1
- 208000026137 Soft tissue injury Diseases 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 210000002808 connective tissue Anatomy 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 208000035475 disorder Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000037309 reepithelialization Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000008470 skin growth Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
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Abstract
The utility model relates to an electric field dressing which sequentially comprises an outer film layer, a foam layer and a perforated silica gel film layer from top to bottom, wherein a circuit board layer is clamped between the foam layer and the perforated silica gel film layer, the circuit board layer is a flexible circuit board and comprises a substrate, an anode material and a cathode material, wherein the anode material and the cathode material are arranged on the lower end surface of the substrate, and the anode material is positioned on an inner ring and the cathode material is positioned on an outer ring. The utility model utilizes effusion oozed out of the wound to communicate the cathode material and the anode material, after the anode material and the cathode material are connected into a closed loop, the electric charge is promoted to flow between the anode material and the cathode material under the action of the trans-epidermis potential at the wound surface, thus forming the current from the end of the anode material to the end of the cathode material, and the electric field generated by the current can stimulate the growth of wound skin, inhibit the growth of microorganisms and promote wound recovery. When in use, external fittings and equipment are not needed, and the replacement can be independently completed. And displacement of anode materials and cathode materials and wound surface injury can be avoided.
Description
Technical Field
The utility model relates to a medical dressing, in particular to an electric field dressing.
Background
Skin is the largest tissue organ of the human body, and skin and soft tissue injury are the major types of wounds. However, due to the factors of untimely treatment, complex injury or carelessness, the wound surface is easy to be infected by skin, the blood supply disorder is easy to occur, and the wound surface is not healed due to persistence.
The wound surface endogenous electric field refers to a direct current electric field which is spontaneously formed in the wound surface healing process and takes normal skin at the wound edge as an anode and takes the center of the wound surface as a cathode, and the direct current electric field can promote proliferation of cells related to wound edge repair and drive the cells to migrate to the center of the wound surface, promote growth of nerves at the wound edge to the wound surface and the like, thereby playing an important role in wound surface reepithelialization and wound surface healing. Therefore, based on the principle that the wound surface endogenous electric field promotes wound surface healing, an exogenous electric field with certain intensity is applied to the wound surface, and the positive electrode and the negative electrode of the exogenous electric field are positioned at the wound edge and the center of the wound surface (simulate the endogenous electric field), so that the effect of accelerating acute and chronic wound surface healing is achieved.
The electric field dressing in the prior art needs an external power supply to supply power, and also needs an external negative pressure device to lead out wound seepage, so that the dressing is inconvenient to use and also has the advantages of convenience in use.
Disclosure of Invention
The utility model aims to provide an electric field dressing to solve the technical problem that a lead interface is required to be reserved for connecting an external power supply and a negative pressure device in the electric field dressing in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides an electric field dressing from top to bottom includes adventitia layer, foam layer and punching silica gel film layer in proper order, the foam layer with press from both sides between the silica gel film layer that punches has the circuit board layer, the circuit board layer is flexible circuit board, comprises base member and the positive pole material and the negative pole material that set up on the terminal surface under the base member, and positive pole material is located inner circle, negative pole material is located the outer lane, the foam layer with punching silica gel film layer is all insulating.
Further, a through groove which is vertically communicated for seepage is formed in the base body.
Further, the anode material is disposed at a central position of the flexible circuit board, and the cathode material is ring-shaped.
Further, the circuit board layer is positioned at the center of the foam layer and the perforated silicone film layer, and the periphery of the outer film layer extends to be adhered to the skin around the wound.
Further, the outer film layer is a PU film layer.
Further, a release layer is arranged below the perforated silica gel film layer.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model utilizes effusion oozed out of the wound to communicate the cathode material and the anode material, after the anode material and the cathode material are connected into a closed loop, the electric charge is promoted to flow between the anode material and the cathode material under the action of the trans-epidermis potential at the wound surface, thus forming the current from the end of the anode material to the end of the cathode material, and the electric field generated by the current can stimulate the growth of wound skin, inhibit the growth of microorganisms and promote wound recovery.
2. The utility model uses the seepage as the lead for connecting the cathode material and the anode material, and uses the through groove on the base material and the through hole on the punching silica gel film layer to ensure that the foam layer can absorb most seepage smoothly, and when in use, no external fittings or equipment are needed, and the replacement can be independently completed.
3. In the utility model, the cathode material and the anode material are both fixed on the flexible matrix, and the circuit board layer is clamped between the perforated silica gel film layer and the foam layer, so that the damage of the anode material and the cathode material to wound surfaces can be avoided, and the displacement of the anode material and the cathode material in the using process can be avoided.
The device has the advantages of scientific and reasonable structure, safe and convenient use and great help for people.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate and together with the embodiments of the utility model and do not constitute a limitation to the utility model, and in which:
FIG. 1 is a schematic diagram of one embodiment of an electric field dressing of the present utility model;
in the figure: 1 PU film layer, 2 foam layer, 3 circuit board layer, 4 punching silica gel film layer, 5 release film layer, 7 anode material and 8 cathode material.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
An embodiment of the utility model is an electric field dressing:
an electric field dressing is used for keeping away from skin one side under the service condition and is used for keeping away from skin one side under, and from top to bottom includes PU rete 1, foam layer 2, perforation silica gel film layer 4 in proper order, and perforation silica gel film layer 4 below sets up and need tear off from rete 5 when using. A circuit board layer 3 is sandwiched between the foam layer 2 and the perforated silicone film layer 4, and the circuit board layer 3 comprises an anode material 7 and a cathode material 8. Wherein the cathode material 8 is located at the outermost ring and the anode material 7 is located at the innermost ring.
The PU film layer 1, the foam layer 2 and the punching silica gel film layer 4 are all made of insulating materials, and the circuit board layer 3 is a flexible circuit board. Different ions are distributed inside and outside the cells of the organism everywhere, and the distribution of the ions is uneven and a certain form of transmembrane movement forms bioelectricity at the cellular level. The living organism and the organs exhibit various electrical phenomena, namely the synthesis of their constituent cell electrical vectors. The measurable trans-epidermal potential (TEP) is that when a wound appears on the epidermis, the potential difference across the epidermis at the wound disappears, while the potential around the wound remains normal, creating an endogenous electric field, also known as a lateral electric field, between the wound and normal skin. Normally, the anode material 7 and the cathode material 8 are not connected, when wound exudate contacts the circuit board layer 3 through the perforated silica gel film layer 4, the wound exudate rich in ions is used as a wire to connect the anode material 7 and the cathode material 8 to form a closed circuit, negative charges move from the end of the cathode material 8 to the end of the anode material 7, positive charges move from the end of the anode material 7 to the end of the cathode material 8 to form a current from the end of the anode material 7 to the end of the cathode material 8, and an electric field generated by the current can stimulate wound skin growth, inhibit microorganism growth and promote wound recovery.
Foam layer 2 and punching silica gel membrane layer 4 press from both sides circuit board layer 3 in the centre, stagger anode material 7, cathode material 8 on the circuit board layer 3 and offered the logical groove that link up from top to bottom, in addition the through-hole on punching silica gel membrane layer 4, the seepage liquid of wound department can pass punching silica gel membrane layer intercommunication cathode material 8 and anode material 7 on the one hand, on the other hand can also be absorbed by foam layer 2 more fast, avoids the hydrops to soak the wound. The periphery of the PU film layer 1 extends out of the periphery of the foam layer 2 and the perforated silica gel film layer 4 so as to be directly adhered to the skin around the wound surface.
The centers of the PU film layer 1, the foam layer 2, the circuit board layer 3 and the perforated silica gel film layer 4 are overlapped, and the anode material 8 is positioned at the center of the circuit board layer 3, so that the anode material 8 can be positioned at the center of the wound surface with highest potential by aligning the center of the PU film layer 1 with the center of the wound surface.
In other embodiments, the lead wire for connecting the anode material 7 and the cathode material 8 can be directly arranged on the circuit board layer 3, and the dressing can generate current for promoting wound surface recovery under the action of an autologous electric field after being attached to the wound surface.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An electric field dressing, characterized in that: the flexible printed circuit board comprises a substrate, an anode material and a cathode material, wherein the anode material and the cathode material are arranged on the lower end face of the substrate, the anode material is positioned on an inner ring and the cathode material is positioned on an outer ring, and the foam layer is insulated from the perforated silica gel film layer.
2. An electric field dressing according to claim 1, wherein: the base body is provided with a through groove which is vertically communicated for seepage to pass through.
3. An electric field dressing according to claim 1, wherein: the anode material is arranged at the center of the flexible circuit board, and the cathode material is annular.
4. An electric field dressing according to claim 3, wherein: the circuit board layer is positioned at the centers of the foam layer and the perforated silica gel film layer, and the periphery of the outer film layer extends out to be adhered to the skin around the wound.
5. An electric field dressing according to claim 1, wherein: the outer film layer is a PU film layer.
6. An electric field dressing according to any one of claims 1 to 5, wherein: and a release layer is arranged below the punching silica gel film layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321714138.9U CN220676242U (en) | 2023-07-03 | 2023-07-03 | Electric field dressing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321714138.9U CN220676242U (en) | 2023-07-03 | 2023-07-03 | Electric field dressing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220676242U true CN220676242U (en) | 2024-03-29 |
Family
ID=90372519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321714138.9U Active CN220676242U (en) | 2023-07-03 | 2023-07-03 | Electric field dressing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220676242U (en) |
-
2023
- 2023-07-03 CN CN202321714138.9U patent/CN220676242U/en active Active
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