CN208193326U - One kind prevents adhesion promoting healing combine dressing - Google Patents
One kind prevents adhesion promoting healing combine dressing Download PDFInfo
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- CN208193326U CN208193326U CN201720605657.XU CN201720605657U CN208193326U CN 208193326 U CN208193326 U CN 208193326U CN 201720605657 U CN201720605657 U CN 201720605657U CN 208193326 U CN208193326 U CN 208193326U
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Abstract
The utility model medical dressing technical field, and in particular to one kind prevents adhesion promoting healing combine dressing, from inside to outside successively includes separation layer, Medical silicone gels layer, foam/chitosan iodine pharmaceutical hydrogel composite layer, back sheet；It is wherein uniformly distributed on Medical silicone gels layer to have the liquid drain hole penetrated for wound exudate；Foam/chitosan iodine pharmaceutical hydrogel composite layer includes foam, the uniformly distributed through-hole having through foam on foam, filled chitosan iodine pharmaceutical hydrogel in the through-hole.Realize froth bed to the load effect of functional drug the mode of chitosan iodine pharmaceutical hydrogel filling in through-holes, chitosan iodine pharmaceutical hydrogel layer can generate swelling under the action of sepage, release drug ingedient therein, the effects of autolytic debridement, antibacterial, anti-inflammatory are generated to wound, play its drug effect, medicament residue caused by functional drug is directly contacted with wound is avoided simultaneously, avoids generating dipping to wound, maintains sterile, the cleaning of wound climate.
Description
Technical field
The utility model medical dressing technical field, and in particular to one kind prevents adhesion promoting healing combine dressing.
Background technique
It the further investigation of medical field " moist " wound healing theory and new material technology and is constantly progressive, new medical
Dressing comes into being.So far, new pattern compress type is abundant on domestic market, and Medical dressing specifically includes that hydrogel
Dressing, foam dressing, alginate dressing, carbon fiber dressing, bearing hydrocolloid dressing etc..
Aerogel dressing makes wound moist, has the effect of autolytic debridement, migrates conducive to epithelial cell and granulation tissue is raw
It is long, while hydrogel can be used as the carrier or slow-releasing system of drug；Foam dressing can absorb a large amount of diffusates, provide for wound
Wet, closure healing environment；Alginate dressing have high-absorbable, provide moist environment for wound, can be carried out with wound from
Son exchange promotes wound cells proliferation, accelerating wound healing；Carbon fiber dressing has high absorption property, can reduce or eliminate wound
Mouth peculiar smell；Bearing hydrocolloid dressing support autolytic debridement, adhesion wound, compliance are good.
But there are many deficiencies, such as aerogel dressing cannot absorb sepage for single dressing, is easy dipping wound；Bubble
Foam dressing cannot be used for dry wound and autolytic debridement；Alginate dressing is not suitable for dry wound equally, there is certain remain, no
Easy-clear is clean；Carbon fiber dressing intensity is insufficient, is easy to produce and falls off；Bearing hydrocolloid dressing is not suitable for the wound more than sepage.For
Overcome various defects existing for single dressing, the Application of composite of a variety of dressing innovated and applied.
As Chinese patent CN2012201834331 discloses a kind of carboxymethyl chitosan and calcium alginate compounded biology applies
Material, including nonwoven layer, combine dressing layer and protective layer, combine dressing layer choosing silver carboxymethyl chitosan and calcium alginate composition are multiple
Functional layer is closed, the antibiotic property of chitosan silver and the highly hygroscopic of calcium alginate, anthemorrhagic performance are used in combination；Chinese patent
CN2012203315315 discloses a kind of medical composite activated carbon fibre dressing, selects activated carbon fibre as adsorption layer, seaweed
The antibacterial anti hemorrhagic performance of the high adsorption of activated carbon fibre and alginic acid fibre is used in combination as binder course for sour fiber；In
State patent CN2015208892914 discloses a kind of non-woven fabric compounded dressing of alginates, is filled using alginates non-woven fabric perforating
Pharmaceutical hydrogel utilizes the high-hygroscopicity of alginates and antibacterial, the debridement function of pharmaceutical hydrogel.But it is disclosed above compound
Functionally there are still some shortcomings for dressing, for example absorb the scarce capacity of sepage, or the direct basic wound of drug ingedient is easily produced
The defects of life remains or dressing functional layer contaminated wound easy to fall off, causes wound not easy to clean.
Therefore, in order to abundant and improve the function of combine dressing, overcome medicament residue existing for existing capability dressing, cause
Wound is not easy clean defect, needs to make further improvement to the structure of functional dressings.
Summary of the invention
In order to overcome the drawbacks of the prior art, preventing adhesion the purpose of the utility model is to provide one kind, promoting healing is compound to be applied
Material, overcomes drug existing for existing combine dressing directly to contact medicament residue wound caused by wound and is not easy clean defect, no
Adhesion wound can largely absorb sepage, provide the healing environment of wetting for wound, and have antibacterial and autolytic debridement effect,
Wound healing can be effectively facilitated.
In order to achieve the goal above, the utility model adopts the following technical solution:
One kind prevents adhesion promoting healing combine dressing, from inside to outside successively includes isolation using the side close to wound as internal layer
Layer, Medical silicone gels layer, foam/chitosan iodine pharmaceutical hydrogel composite layer, back sheet；Wherein uniform cloth on Medical silicone gels layer
Equipped with the liquid drain hole penetrated for wound exudate；The foam/chitosan iodine pharmaceutical hydrogel composite layer includes foam, the foam
It is above uniformly distributed to have the through-hole for running through foam in a thickness direction, filled chitosan iodine pharmaceutical hydrogel in the through-hole.
Optionally, the foam/be additionally provided with alginate layer between chitosan iodine pharmaceutical hydrogel composite layer and back sheet.
Optionally, layer of carbon fiber material is additionally provided between the alginate layer and back sheet.
Optionally, the alginate layer is alginates layer of nonwoven material.
Optionally, the layer of carbon fiber material is carbon fiber nonwoven fabric material layer.
Optionally, the back sheet is medical polyurethane film layer.
Optionally, the froth bed is polyurethane foam.
Optionally, the separation layer is that Singh draws release paper.
Optionally, the chitosan iodine pharmaceutical hydrogel is using modification of chitosan chelated iodine as antibacterial agent, with card film, hydroxyl second
One of base cellulose, carboxymethyl cellulose are used as gelling agent, further, load some functional drug ingedients.
Since the thickness of every layer function material layer will affect the performance of its action and efficacy, functional layer thickness is blocked up to be will lead to
Effect positioned at the functional material of its outer layer can not act on wound and cause it that cannot generate effect, can also generate to wound
Excessive covering hinders respiration necessary to wound healing, influences the healing of wound；Functional layer thickness is excessively thin to will lead to it
The effect of itself weakens, and cannot generate compound action with other function layer well.It is preferred, therefore, that the Medical silicone gels
The pore size for the liquid drain hole laid on layer is 1 ~ 3mm, and the spacing of adjacent liquid drain hole is 1 ~ 3mm；The Medical silicone gels layer
With a thickness of 25 ~ 50 μm；The aperture for the through-hole laid on the foam/chitosan iodine pharmaceutical hydrogel composite layer is 3 ~ 5mm, adjacent
The spacing of through-hole be 3 ~ 5mm, the chitosan iodine pharmaceutical hydrogel composite layer with a thickness of 3 ~ 5mm；The thickness of the back sheet
It is 25 ~ 50 μm.Further, the alginate layer with a thickness of 1 ~ 3mm；The layer of carbon fiber material with a thickness of 1 ~ 3mm.
In order to make separation layer and back sheet generate protective action to other function layer, generate Medical silicone gels layer to wound
Covered protection effect, optionally, the size of the separation layer, Medical silicone gels layer and back sheet is equal, is all larger than bubble
Foam/chitosan iodine pharmaceutical hydrogel composite layer, alginate layer and layer of carbon fiber material.
The utility model prevents adhesion promoting healing combine dressing, including separation layer, Medical silicone gels layer, foam/chitosan iodine
Pharmaceutical hydrogel composite layer and back sheet.On the one hand, foam/chitosan iodine pharmaceutical hydrogel composite layer, by froth bed
Through-hole is set, the mode of chitosan iodine pharmaceutical hydrogel filling in through-holes is realized that froth bed makees the load of functional drug
With in use, wound exudate enters foam/chitosan iodine water by the liquid drain hole being arranged on Medical silicone gels layer for dressing
Gel medicine composite layer, the high absorbent properties of foam can absorb extra sepage, while fill chitosan in the foam
Iodine pharmaceutical hydrogel layer can generate swelling under the action of sepage, release drug ingedient therein, be produced from dissolved clarification to wound
The effects of wound, antibacterial, anti-inflammatory, its drug effect is played, the moisturizing water retention of gel layer can provide the ring of wetting for wound
Border, and since chitosan iodine pharmaceutical hydrogel is located at the outer layer of Medical silicone gels layer by way of being filled in froth bed, it keeps away
Medicament residue caused by functional drug is directly contacted with wound is exempted from, has avoided generating dipping to wound, maintain wound climate
Sterile, cleaning；On the other hand, the self-adhesive effect of Medical silicone gels layer can build the environment of relative closure for wound, avoid
Wound is by extraneous infection, while the moisture-keeping function of Medical silicone gels layer can generate adhesion to avoid to wound.
In addition, separation layer can be to avoid dressing itself by external pollution, back sheet usually has the function of waterproof and breathable
Can, it can avoid wound infection germ.
Further, the utility model prevents adhesion promoting healing combine dressing, also multiple in foam/chitosan iodine pharmaceutical hydrogel
It closes and is provided with alginate layer between layer and back sheet, alginates have the function of further absorbing sepage, and pass through foam
With alginates ion exchange can occur for the sepage for being handed to alginate layer, exchange the ion of generation through foam and Medical silicone gels
The through-hole of layer is transferred to wound, promotes hemostasis and wound healing, and by alginate layer setting Medical silicone gels layer and foam/
The outer layer of chitosan iodine pharmaceutical hydrogel composite layer can overcome alginates easily to remain wound and generate pollution to wound, make wound
It is not easy clean defect.
Further, layer of carbon fiber material is additionally provided between alginate layer and back sheet, layer of carbon fiber material is good
Suction-operated can be avoided wound and generate peculiar smell, at the same by carbon fiber layer be folded in back sheet and other function material layer it
Between, overcome carbon fiber is easy to fall off to fall to wound, the defect of pollution is generated to wound.
The promoting healing combine dressing in short, the utility model prevents adhesion overcomes single dressing and conventional composite dressing application
On deficiency, medicine dipping and medicament residue are not generated to wound, maintain the sterile cleaning ambient of wound, adhesion wound, energy
Enough a large amount of absorption sepages, provide the healing environment of wetting for wound, and have antibacterial and autolytic debridement effect, can effectively facilitate
Wound healing, while can be avoided wound peculiar smell, it is easy to use comfortable.
Detailed description of the invention
Fig. 1 is the overall structure diagram for the promoting healing combine dressing that prevents adhesion that the utility model embodiment 1 provides；
Fig. 2 is foam in Fig. 1/chitosan iodine pharmaceutical hydrogel composite layer overall structure diagram；
Fig. 3 is the overall structure diagram for the promoting healing combine dressing that prevents adhesion that the utility model embodiment 2 provides.
Specific embodiment
Embodiment 1
One kind prevents adhesion promoting healing combine dressing, as depicted in figs. 1 and 2, using the side close to wound as internal layer, by interior
It outside successively include separation layer 6, Medical silicone gels layer 5, foam/chitosan iodine pharmaceutical hydrogel composite layer 4, back sheet 1；Its Chinese medicine
There is the liquid drain hole penetrated for wound exudate with uniformly distributed on silicon gel layer 6；Foam/chitosan iodine pharmaceutical hydrogel composite layer 4
It is uniformly distributed on foam 7 to have the through-hole 8 for running through foam in a thickness direction, filled chitosan iodine water in through-hole 8 including foam 7
Gel medicine 9.
Optionally, back sheet is medical polyurethane film layer, the waterproof and breathable having had the function of in the present embodiment.This implementation
Froth bed is polyurethane foam in example.Separation layer is that Singh draws release paper in the present embodiment.Chitosan iodine water in the present embodiment
Gel medicine is using modification of chitosan chelated iodine as antibacterial agent, with one of card film, hydroxyethyl cellulose, carboxymethyl cellulose
As gelling agent, further, some functional drug ingedients are loaded.It should be noted that for foam in the present embodiment
The selection of the specific material category of layer, separation layer, chitosan iodine pharmaceutical hydrogel is only done for example, not constituting to this reality
With new structural limitation, other materials that can play said function are equally applicable to the structure of the utility model product.
In the present embodiment medical silicon gel layer 5 with a thickness of 25 μm, foam/chitosan iodine pharmaceutical hydrogel composite layer 4
With a thickness of 3mm, back sheet 1 with a thickness of 25 μm；The pore size for the liquid drain hole laid on Medical silicone gels layer 5 is 1mm, adjacent
2mm is divided between liquid drain hole；The pore size for the through-hole 8 being arranged on foam 7 is 3mm, between adjacent through-holes between be divided into
5mm.It should be noted that in the present embodiment for the selection of each functional layer thickness and the selection at pore size and interval be in order to
Ensure that each functional layer can play that respective effect and composite efficacy are made for example, not constituting to the utility model production
The concrete restriction of product structure, the pore size for the liquid drain hole laid in the present embodiment on medical silicon gel layer can be 1 ~ 3mm, phase
The spacing of adjacent liquid drain hole can be 1 ~ 3mm；The thickness of Medical silicone gels layer can be 25 ~ 50 μm；Foam/chitosan iodine hydrogel
The aperture for the through-hole laid on drug composite layer can be 3 ~ 5mm, and the spacing of adjacent through-holes is 3 ~ 5mm, chitosan iodine hydrogel
The thickness of drug composite layer can be 3 ~ 5mm；The thickness of back sheet can be 25 ~ 50 μm.
In addition, making medical silicon in the present embodiment in order to make separation layer and back sheet generate protective action to other function layer
Gel layer, which generates, acts on the covered protection of wound, and the size of separation layer, Medical silicone gels layer and back sheet is equal, greatly
In foam/chitosan iodine pharmaceutical hydrogel composite layer.
Embodiment 2
The present embodiment unlike the first embodiment, as shown in figure 3, foam/chitosan iodine pharmaceutical hydrogel composite layer 4 with
Alginate layer 3 and layer of carbon fiber material 2 are additionally provided between back sheet.
Alginate layer is alginates layer of nonwoven material in the present embodiment；Layer of carbon fiber material is carbon-fibre nonwoven cloth material
Layer.
Alginate layer 3 with a thickness of 1mm in the present embodiment；Layer of carbon fiber material 2 with a thickness of 1mm.Algae in the present embodiment
The thickness of silicate layer 3 may be 1 ~ 3mm, and the thickness of layer of carbon fiber material 2 may be 1 ~ 3mm.
In addition, making medical silicon in the present embodiment in order to make separation layer and back sheet generate protective action to other function layer
Gel layer, which generates, acts on the covered protection of wound, and the size of separation layer, Medical silicone gels layer and back sheet is equal, greatly
In foam/chitosan iodine pharmaceutical hydrogel composite layer, alginate layer and layer of carbon fiber material.
Claims (10)
- The promoting healing combine dressing 1. one kind prevents adhesion, which is characterized in that using the side close to wound as internal layer, from inside to outside successively Including separation layer, Medical silicone gels layer, foam/chitosan iodine pharmaceutical hydrogel composite layer, back sheet；Wherein Medical silicone gels layer The upper uniformly distributed liquid drain hole having for wound exudate transmission；The foam/chitosan iodine pharmaceutical hydrogel composite layer includes foam, It is uniformly distributed on the foam to have the through-hole for running through foam in a thickness direction, filled chitosan iodine hydrogel medicine in the through-hole Object.
- 2. prevent adhesion promoting healing combine dressing as described in claim 1, which is characterized in that the foam/chitosan iodine water-setting Alginate layer is additionally provided between glue drug composite layer and back sheet.
- 3. preventing adhesion promoting healing combine dressing as claimed in claim 2, which is characterized in that the alginate layer and back sheet it Between be additionally provided with layer of carbon fiber material.
- 4. prevent adhesion promoting healing combine dressing as claimed in claim 2 or claim 3, which is characterized in that the alginate layer is alginic acid Salt layer of nonwoven material.
- 5. prevent adhesion promoting healing combine dressing as claimed in claim 3, which is characterized in that the layer of carbon fiber material is carbon fiber Tie up layer of nonwoven material.
- 6. such as the described in any item promoting healing combine dressings that prevent adhesion of claim 1 ~ 3, which is characterized in that the back sheet is doctor Use polyurethane film layer.
- 7. such as the described in any item promoting healing combine dressings that prevent adhesion of claim 1 ~ 3, which is characterized in that the froth bed is poly- Urethane froth bed.
- 8. such as the described in any item promoting healing combine dressings that prevent adhesion of claim 1 ~ 3, which is characterized in that the Medical silicone gels The pore size for the liquid drain hole laid on layer is 1 ~ 3mm, and the spacing of adjacent liquid drain hole is 1 ~ 3mm；The Medical silicone gels layer With a thickness of 25 ~ 50 μm；The aperture for the through-hole laid on the foam/chitosan iodine pharmaceutical hydrogel composite layer is 3 ~ 5mm, adjacent The spacing of through-hole be 3 ~ 5mm, the chitosan iodine pharmaceutical hydrogel composite layer with a thickness of 3 ~ 5mm；The thickness of the back sheet It is 25 ~ 50 μm.
- 9. preventing adhesion promoting healing combine dressing as claimed in claim 3, which is characterized in that the alginate layer with a thickness of 1 ~ 3mm；The layer of carbon fiber material with a thickness of 1 ~ 3mm.
- 10. prevent adhesion promoting healing combine dressing as claimed in claim 3, which is characterized in that the separation layer, Medical silicone gels Layer is equal with the size of back sheet, is all larger than foam/chitosan iodine pharmaceutical hydrogel composite layer, alginate layer and carbon fiber Material layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720605657.XU CN208193326U (en) | 2017-05-27 | 2017-05-27 | One kind prevents adhesion promoting healing combine dressing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720605657.XU CN208193326U (en) | 2017-05-27 | 2017-05-27 | One kind prevents adhesion promoting healing combine dressing |
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| CN208193326U true CN208193326U (en) | 2018-12-07 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110947021A (en) * | 2019-12-17 | 2020-04-03 | 山东朱氏药业集团有限公司 | Preparation method of degradable wound dressing and batching equipment of dressing |
| CN113616425A (en) * | 2021-07-06 | 2021-11-09 | 蓝燕娜 | Hydrogel medical foam composite material glue layer forming system and forming method thereof |
| CN114225093A (en) * | 2021-12-22 | 2022-03-25 | 振德医疗用品股份有限公司 | Antibacterial dressing with composite function and preparation method thereof |
| CN114668885A (en) * | 2022-04-15 | 2022-06-28 | 国科瑞诺(中山)生物科技有限公司 | Antibacterial healing-promoting functional dressing and preparation method thereof |
| CN115040684A (en) * | 2022-07-27 | 2022-09-13 | 上海亚澳医用保健品有限公司 | Production method of novel borderless foam dressing and novel borderless foam dressing |
-
2017
- 2017-05-27 CN CN201720605657.XU patent/CN208193326U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110947021A (en) * | 2019-12-17 | 2020-04-03 | 山东朱氏药业集团有限公司 | Preparation method of degradable wound dressing and batching equipment of dressing |
| CN110947021B (en) * | 2019-12-17 | 2022-03-08 | 山东朱氏药业集团有限公司 | Preparation method of degradable wound dressing and batching equipment of dressing |
| CN113616425A (en) * | 2021-07-06 | 2021-11-09 | 蓝燕娜 | Hydrogel medical foam composite material glue layer forming system and forming method thereof |
| CN114225093A (en) * | 2021-12-22 | 2022-03-25 | 振德医疗用品股份有限公司 | Antibacterial dressing with composite function and preparation method thereof |
| CN114668885A (en) * | 2022-04-15 | 2022-06-28 | 国科瑞诺(中山)生物科技有限公司 | Antibacterial healing-promoting functional dressing and preparation method thereof |
| CN115040684A (en) * | 2022-07-27 | 2022-09-13 | 上海亚澳医用保健品有限公司 | Production method of novel borderless foam dressing and novel borderless foam dressing |
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