CN203749692U - Wet dressing - Google Patents
Wet dressing Download PDFInfo
- Publication number
- CN203749692U CN203749692U CN201420140792.8U CN201420140792U CN203749692U CN 203749692 U CN203749692 U CN 203749692U CN 201420140792 U CN201420140792 U CN 201420140792U CN 203749692 U CN203749692 U CN 203749692U
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- Prior art keywords
- wound
- dressing
- reservoir
- pad
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
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- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 2
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- KIUKXJAPPMFGSW-DNGZLQJQSA-N (2S,3S,4S,5R,6R)-6-[(2S,3R,4R,5S,6R)-3-Acetamido-2-[(2S,3S,4R,5R,6R)-6-[(2R,3R,4R,5S,6R)-3-acetamido-2,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-2-carboxy-4,5-dihydroxyoxan-3-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid Chemical compound CC(=O)N[C@H]1[C@H](O)O[C@H](CO)[C@@H](O)[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@H](O[C@H]2[C@@H]([C@@H](O[C@H]3[C@@H]([C@@H](O)[C@H](O)[C@H](O3)C(O)=O)O)[C@H](O)[C@@H](CO)O2)NC(C)=O)[C@@H](C(O)=O)O1 KIUKXJAPPMFGSW-DNGZLQJQSA-N 0.000 description 1
- FHVDTGUDJYJELY-UHFFFAOYSA-N 6-{[2-carboxy-4,5-dihydroxy-6-(phosphanyloxy)oxan-3-yl]oxy}-4,5-dihydroxy-3-phosphanyloxane-2-carboxylic acid Chemical compound O1C(C(O)=O)C(P)C(O)C(O)C1OC1C(C(O)=O)OC(OP)C(O)C1O FHVDTGUDJYJELY-UHFFFAOYSA-N 0.000 description 1
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- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
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- MWCLLHOVUTZFKS-UHFFFAOYSA-N Methyl cyanoacrylate Chemical compound COC(=O)C(=C)C#N MWCLLHOVUTZFKS-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 206010072170 Skin wound Diseases 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
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- 229920002674 hyaluronan Polymers 0.000 description 1
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000009581 negative-pressure wound therapy Methods 0.000 description 1
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- 102000004169 proteins and genes Human genes 0.000 description 1
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Abstract
The utility model relates to the field of medical dressing, in particular to wet dressing. The wet dressing comprises a closed layer, and a bonding layer is mounted at one side of the closed layer; a through hole is formed in the closed layer, a wound pad composed of water absorbent material and lining is mounted in the through hole, and the wound pad is provided with a guide film for guiding out the wound fluid and a fluid accumulator in sequence along the direction far away from the bonding layer; a fixing device covers the fluid accumulator. When using the wet dressing, the wound pad on the closed layer is aligned to the wound surface, and the bonding layer is bonded on the skin to finish the close connection; the directed fluid flow from the wound pad to the fluid accumulator is achieved through the guide film, and the toxin, germs and cellular debris of the wound surface flow to the fluid accumulator so that the wound surface can be completely cleaned. The wet dressing can be used without a doctor, and even the non-medical staff can finish the operation; in use, the user does not need to change the whole dressing; the wet dressing is capable of promoting healing acute trauma and chronic wound hard to cure.
Description
Technical field
This utility model relates to medical dressing field, in particular to a kind of moist dressing.
Background technology
Wound wet treatment is a kind of new method that proposes in recent decades and develop rapidly." moist wound healing " theory is proposed in 1962 by Winter, utilize the dressing of different qualities to form wound moist environment, dissolve after crust and slough, can accelerate the epithelization of young porcine skin wound surface, promote wound healing, produce thus a kind of new wet wound healing theory.
Along with to the deepening continuously of researching wound healing, people recognize and use the object of dressing to be not only for flap coverage, also will help wound healing, create the suitable environment that promotes wound healing.Closed negative pressure drainage therapy also claims negative pressure wound therapy, is, after suction device is connected with special wound dressing, to make wound remain on negative pressure state, reaches therapeutic purposes.1993, Fleischmann etc. first by application of sub-atmospheric pressure in the prevention of traumatic infection, and find that clean edema extinction speeds all wound surface rapidly, granulation tissue hyperplasia is remarkable, traumatic infection incidence rate is significantly lower than conventional treatment group.Thereafter, again the negative-pressure sealed infective wound surface that applies to is treated, effect is satisfied especially.The feature of this method is to apply negative pressure by the dressing of an open cells polyurethane foam to wound surface, except making wound surface evenly accept, negative pressure, still can play the effect of drain, can also filling SOL, remove too much exudate, and be wound circumference tissue edema.This new pattern compress can reduce the adhesion of dressing and wound surface, and effectively isolate bacteria, provides micro-acid environment, and the host's phagocyte that is conducive to leukocyte mediation plays a role, and promotes routine treatment cannot cure the healing of the complicated wound of examining.
At present, the therapy of use only just likely realizes under hospital doctor monitoring, and this will inevitably improve medical expense, and needs frequently more change dressings.If there is no doctor's monitoring, just there is the dry danger of wound, jeopardize the formation of epithelial tissue and the healing of wound, and wound airtight is conventionally also difficult to realize.
Utility model content
The purpose of this utility model is to provide a kind of moist dressing, to solve the above problems.
A kind of moist dressing is provided in embodiment of the present utility model, has comprised confined layer, a side of described confined layer is provided with adhesive linkage;
Described confined layer is provided with through hole, is provided with the wound pad being made up of absorbent material and wadding in described through hole, and on described wound pad, edge is provided with oriented film and the reservoir for deriving wound surface liquid successively away from described adhesive linkage direction;
Described reservoir upper cover is connected to fixture.
Further, described oriented film is one-way valve or semipermeable membrane.
Further, described wound pad is provided with hydrophobic layer away from a side of described oriented film.
Preferably, the area of described fixture and the surface area that is more than or equal to described reservoir.
Preferably, described reservoir be shaped as cylinder, cuboid, square, ellipsoid or rhombus.
A kind of moist dressing that this utility model embodiment provides, by residing the wound pad on confined layer regional alignment wound surface, adhesive linkage is sticked on skin and can complete airtight connection, can realize the directed liquid stream from wound pad to reservoir by oriented film, the toxin of wound surface, pathogenic bacteria and cell debris thing are flow in reservoir, wound surface is thoroughly cleaned, wherein, the waste liquid of periodic replacement transfusion device or extraction transfusion device, simultaneously, wound pad can be regenerated by irritation cell, further promotes the healing of wound.This moist dressing need to not use under doctor's monitoring, and Non-medical-staff gets final product complete operation, and does not need to change whole dressing while using, acute injury, chronic refractory is treated wound surface and had the function of significant promotion healing.
Brief description of the drawings
Fig. 1 shows the cutaway view of a kind of moist dressing described in this utility model embodiment.
In figure:
1, confined layer; 2, adhesive linkage; 3, wound pad; 4, oriented film; 5, reservoir; 6, fixture; 7 hydrophobic layers.
Detailed description of the invention
Also by reference to the accompanying drawings this utility model is described in further detail below by specific embodiment.
As shown in Figure 1, a kind of moist dressing, comprises confined layer 1, and a side of confined layer 1 is provided with adhesive linkage 2;
Confined layer 1 is provided with through hole, is provided with the wound pad 3 being made up of absorbent material and wadding in through hole, and on wound pad 3, edge is provided with oriented film 4 and the reservoir 5 for deriving wound surface liquid successively away from adhesive linkage 2 directions;
Reservoir 5 upper covers are connected to fixture 6.
Oriented film 4 is one-way valve or semipermeable membrane.
The structure of one-way valve is one and has at least a Self-closed hole to cover outlet elastica.Be opened and make liquid flow into reservoir 5 by these holes of flowing of liquid.One-way valve makes wound fluid from wound pad 3 to reservoir 5 one-way flow, stops and refluxes simultaneously.
Semipermeable membrane makes nutrient substance or the healing somatomedin of wound secretion, comprise that vascular proliferation factor etc. can not be pulled away, thereby stimulate tissue to produce more new vessels, increase wound surface blood flow, by increasing capillary filling, increase somatomedin (owing to having increased the blood flow that flows to wound surface), promote leukocyte and fibroblast to enter wound surface, wherein leukocyte can be resisted infection, produces somatomedin, and fibroblast can produce collagen, be used for filling and leading up and repairing wound.Increase venous engorgement, and then accelerate to remove edematous fluid, thereby further promote the healing of wound.
Wound pad 3 is provided with hydrophobic layer 7 away from a side of oriented film 4.Hydrophobic layer 7 adopts hydrophobic, soft material to form, and preferably uses polyurethane film or the textile material of good biocompatibility, as formations such as terylene, chinlon, acrylon, polypropylene or spandexs.
Preferably, wadding is that one or more and nonwoven or electrospinning layer in alginate fibre, vinal, hyaluronic acid fiber, collagen fabric, carbon fiber, chitin fiber mixes.One or more in absorbent material employing polyacrylate, polyvinyl alcohol, polyacrylic acid, polyacrylamide, polyurethane foam, polyvinyl alcohol foam and copolymer thereof form.
The area of fixture 6 and the surface area that is more than or equal to reservoir 5.Fixture 6 can be covered reservoir 5 places, keep seal.
Fixture 6 should be formed by hydrophobic, soft material, preferred, the material of fixture 6 is polyurethane film, terylene, chinlon, acrylon, polypropylene or spandex.
Preferably, the material of adhesive linkage 2 is polyacrylate, polyurethane, cyanoacrylate or epoxy resin.Adhesive linkage 2 is pasted tightly with human skin, keeps airtight.
Preferably, reservoir 5 be shaped as cylinder, cuboid, square, ellipsoid or rhombus.
Use principle:
Wound pad 3 is connected by one-way valve or semipermeable membrane with reservoir 5, thereby forms a kind of directed liquid stream from wound pad 3 to reservoir 5.This dressing is closely together wound pad 3 and reservoir 5 to be placed on skin.The absorbing state of using reservoir 5 can be easy to observe liquid situation and dressing on the one hand; On the other hand, without remove from wound dressing just easily removal change reservoir 5.Because volume is relatively large, reservoir 5 can hold wound juice 3 to 4 days with wound pad 3, can avoid more change dressings every day, cost-saving.And this dressing allows out-patient treatment use, raising patient's activeness and comfortableness.The high absorbency material of this dressing after ringer's solution activates has high affinity to protein matter, toxin, pathogenic bacteria and cell debris thing are absorbed in wound pad 3, flow in reservoir 5 by one-way valve or semipermeable membrane, ringer's solution is exchanged on wound surface simultaneously, wound surface is thoroughly cleaned, and sustainable 12～24 hours of its debridement ability, so just constantly absorbs the microorganism of wound surface, cytotoxin, promotes the softening of slough and separates.Adopt interactive displacement that ringer's solution is replaced to wound surface and contained multiple electrolyte (as sodium, potassium, calcium etc.) simultaneously, can regenerate by irritation cell, help granulation tissue to form as early as possible.And the nutrient substance of wound secretion or healing somatomedin, comprise that vascular proliferation factor etc. can not be pulled away, stimulate tissue to produce more new vessels, increase wound surface blood flow, by increasing capillary filling, increase somatomedin (owing to having increased the blood flow that flows to wound surface), promote leukocyte and fibroblast to enter wound surface, wherein leukocyte can be resisted infection, produces somatomedin, and fibroblast can produce collagen, be used for filling and leading up and repairing wound.Increase venous engorgement, and then accelerate to remove edematous fluid (" refuse " is along with edematous fluid is excluded wound surface thus), thereby further promote the healing of wound.If surgical debridement has contraindication, or due to other reasons, can not carry out surgical debridement, wound dressing also can be used to dissolve slough, reaches the object of debridement.Research shows that healthy skin seldom sees the phenomenon that skin is macerated in application after ringer's solution, so wound dressing also can be covered in healthy skin.
A kind of moist dressing that above-described embodiment provides, by residing the wound pad 3 on confined layer 1 regional alignment wound surface, adhesive linkage 2 is sticked on skin and can complete airtight connection, can realize the directed liquid stream from wound pad 3 to reservoir 5 by oriented film 4, the toxin of wound surface, pathogenic bacteria and cell debris thing are flow in reservoir 5, wound surface is thoroughly cleaned, wherein, the waste liquid of periodic replacement transfusion device or extraction transfusion device, simultaneously, wound pad 3 can be regenerated by irritation cell, further promotes the healing of wound.This moist dressing need to not use under doctor's monitoring, and Non-medical-staff gets final product complete operation, and does not need to change whole dressing while using, acute injury, chronic refractory is treated wound surface and had the function of significant promotion healing.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for a person skilled in the art, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. a moist dressing, is characterized in that, comprises confined layer, and a side of described confined layer is provided with adhesive linkage;
Described confined layer is provided with through hole, is provided with the wound pad being made up of absorbent material and wadding in described through hole, and on described wound pad, edge is provided with oriented film and the reservoir for deriving wound surface liquid successively away from described adhesive linkage direction;
Described reservoir upper cover is connected to fixture.
2. moist dressing according to claim 1, is characterized in that, described oriented film is one-way valve or semipermeable membrane.
3. moist dressing according to claim 1, is characterized in that, described wound pad is provided with hydrophobic layer away from a side of described oriented film.
4. moist dressing according to claim 1, is characterized in that, the area of described fixture and the surface area that is more than or equal to described reservoir.
5. moist dressing according to claim 1, is characterized in that, described reservoir be shaped as cylinder, cuboid, square, ellipsoid or rhombus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420140792.8U CN203749692U (en) | 2014-03-25 | 2014-03-25 | Wet dressing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420140792.8U CN203749692U (en) | 2014-03-25 | 2014-03-25 | Wet dressing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203749692U true CN203749692U (en) | 2014-08-06 |
Family
ID=51245001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420140792.8U Expired - Lifetime CN203749692U (en) | 2014-03-25 | 2014-03-25 | Wet dressing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203749692U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103876890A (en) * | 2014-03-25 | 2014-06-25 | 深圳市博立生物材料有限公司 | Wet dressing |
| CN112604054A (en) * | 2020-12-09 | 2021-04-06 | 上海迪派生物科技有限公司 | Wound surface local flushing device |
-
2014
- 2014-03-25 CN CN201420140792.8U patent/CN203749692U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103876890A (en) * | 2014-03-25 | 2014-06-25 | 深圳市博立生物材料有限公司 | Wet dressing |
| CN112604054A (en) * | 2020-12-09 | 2021-04-06 | 上海迪派生物科技有限公司 | Wound surface local flushing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140806 |
|
| CX01 | Expiry of patent term |