CN215080846U - Multifunctional directional electric field dressing - Google Patents
Multifunctional directional electric field dressing Download PDFInfo
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- CN215080846U CN215080846U CN202023283788.1U CN202023283788U CN215080846U CN 215080846 U CN215080846 U CN 215080846U CN 202023283788 U CN202023283788 U CN 202023283788U CN 215080846 U CN215080846 U CN 215080846U
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- dressing
- electric field
- electrode slurry
- negative electrode
- directional electric
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- 239000011267 electrode slurry Substances 0.000 claims abstract description 37
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- 239000000017 hydrogel Substances 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 239000006256 anode slurry Substances 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000006257 cathode slurry Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
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- 206010052428 Wound Diseases 0.000 description 41
- 239000010410 layer Substances 0.000 description 18
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- 230000006378 damage Effects 0.000 description 3
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- 238000000034 method Methods 0.000 description 3
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- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
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- 230000003110 anti-inflammatory effect Effects 0.000 description 1
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- 238000001804 debridement Methods 0.000 description 1
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Abstract
The utility model discloses a multifunctional directional electric field dressing, which comprises a dressing main body and a power supply, wherein the power supply is connected to the dressing main body, the dressing main body comprises negative electrode slurry arranged in the middle of a wound surface and positive electrode slurry arranged on the periphery of the wound surface, and the negative electrode slurry and the positive electrode slurry are respectively communicated to a negative electrode and a positive electrode of the power supply through leads; the dressing main part still includes transparent pad pasting, transparent pad pasting is as the top layer of dressing main part, and the pad can be dismantled between its middle part and negative pole thick liquid and the surface of a wound region and be equipped with and apply the core. The utility model discloses a multi-functional directional electric field dressing has advantages such as simple and practical, portable, not restricted by the place and effectively reduce dressing change number of times.
Description
Technical Field
The utility model relates to a dressing technical field especially relates to a multi-functional directional electric field dressing.
Background
The skin is the largest tissue organ of a human body and covers the whole body, the skin and soft tissue injuries are the most common injuries in the wounds, but because of factors such as untimely treatment, complex injury conditions or carelessness of nursing and the like, skin wound infection, blood supply disorder and the like are easy to occur, the wound is delayed and not healed, and the recovery of the appearance and the function of a patient is seriously influenced.
In the past, a method of covering a wound surface with a wet dressing, such as a hydrocolloid dressing, is usually adopted for treating the wound surface, has a certain debridement effect, can enable the wound surface to be in a wet environment, is favorable for promoting the healing of the wound surface, and is not suitable for the condition that a large amount of wound surface exudate seeps out; in addition, a negative pressure treatment method is adopted, and the wound exudate is absorbed by negative pressure to promote wound healing, but the negative pressure material is expensive and the drainage effect is unstable.
Recent experimental studies have shown that when the skin is damaged, the continuity of the epidermal layer is interrupted, the resistive barrier is broken and the transmembrane potential difference (TEP) in the local part of the wound disappears. However, at a distance from the wound, the tissue is still continuous and the TEP is not affected by the injury, which results in a voltage gradient from normal tissue to the injured tissue, which in turn generates a stable electric field, i.e. an endogenous electric field.
Based on the principle that the wound endogenous electric field can guide the directional growth and migration of many different types of cells to promote wound healing, the exogenous electric field with certain strength is applied to the wound, the anode of the exogenous electric field is positioned at the wound edge, and the cathode of the exogenous electric field is positioned at the center of the wound to simulate the endogenous electric field, so that the effect of accelerating acute and chronic wound healing is achieved. However, when an exogenous electric field is applied to a wound surface for a long time, the application structure can affect the fixation and replacement of the dressing, a patient needs to keep at an application site, and the existing electric field application equipment is not easy to carry.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the not enough of prior art, provide a simple and practical, portable, do not receive the place restriction and effectively reduce the multi-functional directional electric field dressing of dressing change number of times.
In order to solve the technical problem, the utility model provides a technical scheme does:
a multifunctional directional electric field dressing comprises a dressing main body and a power supply, wherein the power supply is connected to the dressing main body, the dressing main body comprises negative electrode slurry arranged in the middle of a wound surface and positive electrode slurry arranged on the periphery of the wound surface, and the negative electrode slurry and the positive electrode slurry are respectively communicated with a negative electrode and a positive electrode of the power supply through leads; the dressing main part still includes transparent pad pasting, transparent pad pasting is as the top layer of dressing main part, and the pad can be dismantled between its middle part and negative pole thick liquid and the surface of a wound region and be equipped with and apply the core.
As a further improvement of the above technical solution:
the bottom of the negative electrode slurry and the bottom of the positive electrode slurry are both hydrogel layers used for being in contact with the skin.
And the tops of the negative electrode slurry and the positive electrode slurry are both fixing layers for fixing the shapes.
And the negative electrode slurry and the positive electrode slurry are provided with conducting layers for conducting electricity between the hydrogel layer and the fixing layer, and the conducting layers are in contact with leads connected to a power supply.
The edge of the transparent adhesive film is provided with an adhesive and is attached to the anode slurry in a sealing manner through the adhesive.
The coating core is a flexible core body, covers the top of the negative electrode slurry under the pressing of the transparent adhesive film and is filled between the negative electrode slurry and the positive electrode slurry.
The multifunctional directional electric field dressing further comprises a protective layer which is detachably attached to the bottom surface of the dressing main body.
The power supply is provided with a switch which controls whether the lead is conducted or not.
The power supply comprises a shell and a battery, the shell is installed on the dressing main body, and the battery is detachably connected to the shell.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses a multi-functional directionality electric field dressing, dressing main part are including setting up in the negative pole thick liquid at surface of a wound middle part and setting up in surface of a wound outlying positive pole thick liquid, and negative pole thick liquid and positive pole thick liquid are respectively through negative pole and the positive pole of lead wire switch-on to the power. In the arrangement structure, the cathode slurry and the anode slurry form an exogenous electric field applied to a wound surface area, and a voltage gradient from a normal tissue to a damaged tissue is formed, namely an endogenous electric field is simulated, so that cells are promoted to grow and migrate directionally, and the effect of promoting wound surface healing is achieved. Wherein the power directly sets up in the dressing main part, consequently no longer need can carry out the electric field in specific occasion and exert the operation to make the dressing whole carry at will and remove, no longer receive the place restriction, and the operation is also more simple and convenient, and is low to personnel's specialty degree of dependence.
The dressing main part still includes transparent pad pasting, and transparent pad pasting is as the top layer of dressing main part, and the pad can be dismantled between its middle part and negative pole thick liquid and the surface of a wound region and be equipped with and apply the core, and multi-functional directionality electric field dressing can select the exclusive use dressing main part or select the cooperation of dressing main part to apply the core and use together according to the surface of a wound particular case. When the wound surface exudate is little, the dressing core is not needed, and the wound surface healing condition can be observed through the transparent adhesive film during use; when the wound surface has more seepage, a proper dressing core can be selected for use together, and the dressing core can be replaced through the transparent adhesive film according to the seepage absorption condition of the dressing core during use. The core is dressed in individual replacement can reduce dressing change number of times, has not only simplified the use, can also reduce patient's use cost.
Drawings
FIG. 1 is a schematic view of the structure of the multifunctional directional electric field dressing of the present invention;
FIG. 2 is a schematic view of the multi-functional directional electric field dressing of the present invention with the dressing core removed;
fig. 3 is a cross-sectional view of the multifunctional directional electric field dressing after removal of the dressing core.
Illustration of the drawings: 1. a dressing body; 11. cathode slurry; 12. positive electrode slurry; 13. transparent film pasting; 2. a power source; 3. coating a core; 4. and a protective layer.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully and specifically with reference to the accompanying drawings and preferred embodiments, but the scope of the present invention is not limited to the following specific embodiments.
Example (b):
as shown in fig. 1 and 2, the multifunctional directional electric field dressing of the present embodiment includes a dressing main body 1 and a power supply 2, the power supply 2 is connected to the dressing main body 1, the dressing main body 1 includes a negative electrode paste 11 disposed in the middle of a wound surface and a positive electrode paste 12 disposed on the periphery of the wound surface, and the negative electrode paste 11 and the positive electrode paste 12 are respectively connected to a negative electrode and a positive electrode of the power supply 2 through leads; the dressing main body 1 further comprises a transparent adhesive film 13, the transparent adhesive film 13 is used as the top layer of the dressing main body 1, and a dressing core 3 is detachably arranged among the middle part of the transparent adhesive film 13, the negative pole paste 11 and the wound area in a cushioning mode.
In the arrangement structure of this embodiment, the cathode slurry 11 and the anode slurry 12 form an exogenous electric field applied to the wound surface region, and a voltage gradient from a normal tissue to a damaged tissue is formed, that is, an endogenous electric field is simulated, so that cells are promoted to grow and migrate directionally, and the wound surface healing effect is promoted. Wherein power 2 directly sets up on dressing main part 1, consequently no longer need can carry out the electric field in specific occasion and exert the operation to make the dressing whole can carry and remove at will, no longer receive the place restriction, and the operation is also more simple and convenient, and is low to personnel's specialty degree of dependence.
The multifunctional directional electric field dressing can be used by selecting the dressing main body 1 to be used alone or selecting the dressing main body 1 to be matched with the dressing core 3 according to the specific situation of the wound surface. When the wound surface exudate is little, the dressing core 3 is not needed, the negative electrode slurry 11 is placed in the center of the wound surface, the positive electrode slurry 12 is attached to the periphery of the wound surface, and the wound surface healing condition can be observed through the transparent adhesive film 13 during use; when the wound surface has more seepage, the proper dressing core 3 can be selected for use together, and the dressing core 3 can be replaced by the transparent adhesive film 13 according to the seepage absorption condition of the dressing core 3 during use. The single replacement of the dressing core 3 can reduce the dressing change times, simplify the use process and reduce the use cost of patients.
In this embodiment, as shown in fig. 3, the bottoms of the negative electrode paste 11 and the positive electrode paste 12 are both hydrogel layers for contacting with the skin, and the hydrogel layers have good adhesiveness, can protect the skin from further friction or pulling, and have conductivity and good air permeability, so as to form a favorable microenvironment for the wound surface.
In this embodiment, the top of the cathode paste 11 and the top of the anode paste 12 are both fixing layers for fixing the form, and are used for contacting the transparent film 13 or the coating core 3, so as to ensure the form stability of the cathode paste 11 and the anode paste 12. The top surface of the fixing layer of the negative electrode slurry 11 is a smooth surface, so that the negative electrode slurry 11 is prevented from being adhered to other parts, and the negative electrode slurry 11 can move according to the position of a wound surface.
In this embodiment, the negative electrode paste 11 and the positive electrode paste 12 are both provided with a conductive layer for conducting electricity between the hydrogel layer and the fixing layer, the conductive layer is in contact with a lead connected to the power supply 2, and both sides of the conductive layer are provided with viscosity, so that the structural connection strength is ensured.
In this embodiment, the transparent adhesive film 13 has an adhesive disposed on its edge and is attached to the positive electrode paste 12 by the adhesive, so as to ensure the sealing property of the wound surface area and avoid contamination; the middle part has no viscosity, so that the cathode paste 11 can freely move when being installed, and the cathode paste 11 is tightly pressed to be fixed. The transparent film 13 is a biocompatible film and has one-way waterproof and breathable properties.
In this embodiment, the coating core 3 is a flexible core, and covers the top of the negative electrode slurry 11 and fills the space between the negative electrode slurry 11 and the positive electrode slurry 12 under the pressing of the transparent film 13, so as to absorb the seepage. The material can be chitosan or alginate dressing, hemostatic gauze, active carbon fiber or hydrogel with anti-inflammatory and bacteriostatic functions and the like, and the material has good elasticity, softness and adhesiveness.
In this embodiment, the multifunctional directional electric field dressing further comprises a protective layer 4, the protective layer 4 is detachably attached to the bottom surface of the dressing main body 1, the working surface of the dressing main body 1 is protected from contamination, and the protective layer is only required to be uncovered when in use.
In this embodiment, the power supply 2 is provided with a switch for controlling the conduction of the lead wire, so that the patient can use the device freely, and the waste of energy is avoided.
In this embodiment, power 2 includes casing and battery, and the casing is installed on dressing main part 1, and the battery can be dismantled and connect on the casing, makes things convenient for the battery to change.
The above description is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. For those skilled in the art, the modifications and changes obtained without departing from the technical idea of the present invention should be regarded as the protection scope of the present invention.
Claims (9)
1. A multifunctional directional electric field dressing, comprising: the dressing comprises a dressing main body (1) and a power supply (2), wherein the power supply (2) is connected to the dressing main body (1), the dressing main body (1) comprises a negative electrode slurry (11) arranged in the middle of a wound surface and a positive electrode slurry (12) arranged on the periphery of the wound surface, and the negative electrode slurry (11) and the positive electrode slurry (12) are respectively communicated with a negative electrode and a positive electrode of the power supply (2) through leads; the dressing main body (1) further comprises a transparent adhesive film (13), the transparent adhesive film (13) is used as the top layer of the dressing main body (1), and a dressing core (3) is detachably arranged between the middle part of the transparent adhesive film and the negative pole pulp (11) and between the wound surface areas.
2. The multifunctional directional electric field dressing of claim 1, wherein: the bottoms of the negative electrode slurry (11) and the positive electrode slurry (12) are hydrogel layers used for being in contact with the skin.
3. The multifunctional directional electric field dressing of claim 2, wherein: and the tops of the cathode slurry (11) and the anode slurry (12) are fixing layers for fixing the shapes.
4. The multifunctional directional electric field dressing of claim 3, wherein: and the negative electrode slurry (11) and the positive electrode slurry (12) are provided with conducting layers for conducting electricity between the hydrogel layer and the fixing layer, and the conducting layers are in contact with leads communicated with a power supply (2).
5. The multifunctional directional electric field dressing of claim 1, wherein: the edge of the transparent adhesive film (13) is provided with an adhesive and is hermetically attached to the anode slurry (12) through the adhesive.
6. The multifunctional directional electric field dressing of claim 1, wherein: the coating core (3) is a flexible core body, covers the top of the negative electrode slurry (11) under the pressing of the transparent adhesive film (13) and is filled between the negative electrode slurry (11) and the positive electrode slurry (12).
7. The multifunctional directional electric field dressing of claim 1, wherein: the dressing body (1) is detachably attached to the bottom surface of the dressing body (4).
8. The multifunctional directional electric field dressing of claim 1, wherein: and a switch is arranged on the power supply (2), and the switch controls whether the lead is conducted or not.
9. The multifunctional directional electric field dressing of claim 1, wherein: the power supply (2) comprises a shell and a battery, the shell is installed on the dressing main body (1), and the battery is detachably connected to the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023283788.1U CN215080846U (en) | 2020-12-30 | 2020-12-30 | Multifunctional directional electric field dressing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023283788.1U CN215080846U (en) | 2020-12-30 | 2020-12-30 | Multifunctional directional electric field dressing |
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| CN215080846U true CN215080846U (en) | 2021-12-10 |
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| CN202023283788.1U Active CN215080846U (en) | 2020-12-30 | 2020-12-30 | Multifunctional directional electric field dressing |
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| CN (1) | CN215080846U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114712087A (en) * | 2022-02-25 | 2022-07-08 | 长沙海润生物技术有限公司 | Antibacterial dressing capable of generating directional electric field and preparation method thereof |
-
2020
- 2020-12-30 CN CN202023283788.1U patent/CN215080846U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114712087A (en) * | 2022-02-25 | 2022-07-08 | 长沙海润生物技术有限公司 | Antibacterial dressing capable of generating directional electric field and preparation method thereof |
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