CN202113231U - Wound dressing - Google Patents
Wound dressing Download PDFInfo
- Publication number
- CN202113231U CN202113231U CN2011201360699U CN201120136069U CN202113231U CN 202113231 U CN202113231 U CN 202113231U CN 2011201360699 U CN2011201360699 U CN 2011201360699U CN 201120136069 U CN201120136069 U CN 201120136069U CN 202113231 U CN202113231 U CN 202113231U
- Authority
- CN
- China
- Prior art keywords
- wound
- wound dressing
- layer
- dressing
- fiber
- 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
Images
Landscapes
- Materials For Medical Uses (AREA)
Abstract
The utility model provides a wound dressing, which comprises a base layer, a medical pressure sensitive adhesive layer, a support layer and an exudate suction layer. The base layer is made of polyurethane. The medical pressure sensitive adhesive layer defines an edge area and a body area. The support layer is made of elastic and ductile materials and adhered onto the body area of the medical pressure sensitive adhesive layer. The exudate suction layer is combined on the support layer to directly contact with a wound and composed of hydrogel with high liquid absorbing power. The support layer can be made of transparent materials. Therefore, the wound dressing is capable of keeping the wound moist and absorbing the wound exudate, and even convenient for medical staff or the patient to directly observe healing condition of the wound so as to decide change time of the dressing.
Description
Technical field
The relevant a kind of wound dressing of this utility model refers to a kind of being ductile especially, can keep wound moistening with the absorptive tissue transudate, and can be convenient to the direct observation of wound dressing medical personnel or patient itself carry out to(for) the wound healing situation.
Background technology
Have various dressing on the market at present, but roughly subregion is divided into dryness dressing and moist dressing.Previously, be main wound care principle owing to keep the wound drying, therefore using upward many is main with dryness dressing, for example gauze or gauze pad.Then, keep the moistening wound healing that helps of wound, so the moistening healing idea of wound popularizes gradually along with discovering, various moist dressing also with generation, wherein artificial skin is an example.
Aforementioned dryness dressing is example with gauze or gauze pad, adopts material blending such as cotton, fiber crops, braiding to form usually, or adopts the adhesive-bonded fabric material to process.Aforementioned gauze or gauze pad directly stick on the wound of injury when using usually, re-use breathable adhesive tape and paste fixing; Yet, when using gauze or gauze pad, take place easily sticking situation to take place to be stained with each other with wound.Therefore, when removing gauze in changing dressings, the wound of protective layer that takes place often skin has been formed or healing is gradually torn in the lump, not only lets user pain hard to bear, also quite is unfavorable for recovery naturally of wound.
Compared to dryness dressing, aforementioned artificial skin not only can not produce with wound is stained with sticking bad result, and the while is the absorbable tissue transudate also, and is that wound is built moist environment.Yet on using, artificial skin still has following shortcoming: at first; Because artificial skin can't spread the transudate of organizing that is absorbed; Therefore will cause transudate to concentrate on the wound in a large number, produce infiltration phenomenon in the transudate, cause inflammation and infection and wound is soaked in.In addition, because artificial skin subjects to the bacterial decomposition of infected wound, and produce abnormal flavour; Simultaneously, the residue that is decomposed also is not easy to be eliminated; Therefore, artificial skin will not have the suitability in infected wound.
In addition, except that above-mentioned shortcoming, general dryness dressing or moist dressing have a shortcoming in addition jointly, promptly after above-mentioned dressing is covered wound, are not removing under the situation of dressing, and medical personnel or patient itself all can't observe the healing state of wound.Therefore, can't determine the change of dressing time according to the actual healing situation of wound usually, and must preset the replacing time voluntarily.Owing to can't grasp immediately to the wound healing situation,, (for example infected) wound when changing, also can't handle the very first time.In addition, for avoiding aforesaid drawbacks, unique solution only can shorten the change of dressing time; Yet, along with the increase of change of dressing frequency, not only will cause dressing to go up unnecessary waste in using, more improve the risk that wound is infected by external source.
In view of this, for improving above-mentioned shortcoming, the utility model people of this utility model proposes a kind of tool ductility and good organization's transudate absorbability, can keep wound moistening, and is able to wound dressing that the wound healing situation is directly observed.
The utility model content
The main purpose of this utility model is to provide a kind of wound dressing with a basal layer, and wherein this basal layer is processed by polyurethane (polyurethanes), can prevent effectively that moisture from infiltrating, and the isolated extraneous source of infection is to reduce the generation of infecting.
Another purpose of this utility model is to provide a kind of wound dressing with a supporting layer, and wherein this supporting layer is processed by the transparent material of tool elasticity, ductility;
Not only can improve wound dressing whereby in the motility of using, more can take into account aesthetic, or be convenient to medical personnel or patient itself directly observes for the wound healing situation.
Another purpose of this utility model is to provide a kind of wound dressing with a transudate absorbed layer, and wherein this transudate absorbed layer is processed by hydrogel, has high Liquid Absorption power.
For reaching above-mentioned purpose, this utility model provides a kind of wound dressing, comprises a basal layer, a medical pressure sensing adhesive layer, a supporting layer and a transudate absorbed layer.The aforementioned substrates layer is processed by polyurethane (polyurethanes); Aforementioned medical pressure sensing adhesive layer defines an one edge zone and a body regions; Aforementioned supporting layer is processed by the material of tool elasticity, ductility, and is adhered on the body regions of aforementioned medical sense glue-line; Aforementioned transudate absorbed layer then is made up of hydrogel, and is incorporated on this supporting layer, and it directly contacts with wound.
When implementing, aforementioned supporting layer is preferable made by high polymer elastic fabric fibre or carbon fiber, and wherein aforementioned elastic woven material fiber or carbon fiber are preferably through the electricity slurry and handle and the fiber of the shape that is translucent.
When implementing, aforementioned supporting layer is preferable made by high polymer elastic fabric fibre or carbon fiber, and wherein aforementioned elastic woven material fiber or carbon fiber are preferably the fiber that is skin-color.
When implementing, aforementioned supporting layer is preferable to be made up of hydrophilic monomer, and wherein this hydrophilic monomer is preferably alkene class, polyalcohols or amide derivatives.
For characteristics and interaction energy for this utility model have more deep understanding, after this is specified in by the embodiment conjunction with figs..
The useful technique effect of this utility model is: 1, because use has waterproof, the made basal layer of polyurethane transparent and ventilative character concurrently, can effectively completely cut off the extraneous source of infection, to reduce the generation of infecting.
2, owing to use the supporting layer of processing with tool elasticity and ductility material, can make wound dressing in use, have more motility and elasticity, and for example be able to be used in special wound site such as joint.
3, because use is skin-color or is transparent supporting layer, can be convenient to medical personnel or patient itself and directly the wound healing situation observed.
4, owing to use the transudate absorbed layer of forming by hydrogel, not only can effectively absorb the tissue fluid of oozing out, and can build the wound moist environment from wound.
Description of drawings
Fig. 1 is the generalized section of the wound dressing of this utility model.
Fig. 2-4 is the user mode figure of the wound dressing of this utility model.
Fig. 5 is another user mode figure of the wound dressing of this utility model.
[main element symbol description]
Transudate absorbed layer 16
The specific embodiment
See also Fig. 1 of this utility model, it is the generalized section of a preferred embodiment of the wound dressing 1 of demonstration this utility model.As shown in the figure, aforementioned wound dressing 1 includes the medical pressure sensing adhesive layer of a basal layer 10, one 12, a supporting layer 14 and a transudate absorbed layer 16 on structure.
Aforementioned medical pressure sensing adhesive layer 12 by the skin of fixing wound circumference and can not cause skin irritation and viscose glue hypersensitive made, and define a body regions 122 and one edge zone 124; Wherein, this marginal area 124 is used as a self-adhesion limit, can wound dressing 1 be pasted on the user skin whereby.Because these medical pressure sensing adhesive layer 12 employed viscose glues not only do not stay cull, and the adhibit quality of well secured wound circumference skin is arranged, can not cause skin irritation after sticking with irritated.
Aforementioned supporting layer 14 is pasted on the body regions 122 of this medical pressure sensing adhesive layer 12, and is processed by the material of tool elasticity, ductility, for example can be made by high polymer elastic fabric fibre or carbon fiber.Owing to have elasticity and ductility, not only can be used as supporting structure, also can give whole wound dressing better elastic and ductility simultaneously, can be applicable to have the specific part wound (like joint part) of angle.
Aforementioned high polymer elastic fabric fibre or carbon fiber are if handle through the electricity slurry earlier; Then can make its shape that is translucent; After adding transudate absorbed layer 16 hydrogels, can present transparent wound dressing fully, and be convenient to medical personnel or patient itself observation for the wound healing state.In addition, aforementioned high polymer elastic fabric fibre or carbon fiber are also managed to make do with skin-color, use to cooperate the patient skin color; Whereby, when using,, and can reach aesthetic because the wound dressing color and the proximate skin that are covered on wound are seemingly.
When implementing, aforementioned high polymer elastic fabric fibre can be and weaves cotton cloth, adhesive-bonded fabric, looped fabric or water are weaved cotton cloth fiber; Wherein, aforementioned adhesive-bonded fabric fiber can be by polrvinyl chloride (Polyvinyl chloride), polyethylene (Polyethylene), ethylene vinyl acetate copolymer (Ethylene Vinyl Acetate copolymer), polyvinyl alcohol (Poly vinyl alcohol) or the made fiber of Polyurethane (Polyurethane).In addition, the phosphorus content of aforementioned carbon fiber is preferably more than 90%, to obtain preferable structural strength.
Aforementioned transudate absorbed layer 16 directly contacts with wound, supplies to absorb the tissue fluid by wound oozed out.In present embodiment, aforementioned transudate absorbed layer 16 is incorporated on this supporting layer 14, and is made up of hydrogel.Aforementioned hydrogel is by the prepared cross-linked polymeric hydrogel that forms of cross-linking polymerization, and the hydrophilic hydrogel be made up of hydrophilic monomer of its composition, for example alkene class, polyalcohols or amide derivatives; Wherein aforementioned alkene class, polyalcohols or amide derivatives for example are N-vinylpyrrolidone (N-ethyl pyrrolidone), Polyethylene Glycol (Polyethylene glycol) etc.In addition, above-mentioned hydrophilic monomer can present transparent hydrogel through after the polymerization process.
When using above-mentioned hydrophilic monomer, the hydrogel of being formed has splendid tissue fluid assimilation effect, and can safeguard the moistening healing environment of wound.If wound heals under moist environment, not only can increase the epithelial cell hypertrophy speed of dividing a word with a hyphen at the end of a line, and accelerating wound healing; Also can be via in the environment that peripheral nerve keep is soaked into, and avoid the dehydration of neural receptor, to reach the effect of slowing down wound pain.
In addition, after absorbing by the tissue fluid that wound oozed out, shown in Fig. 2 to 4, whole wound dressing will be pellucidity, and be able to directly have an X-rayed the healing situation of wound that wound dressing coats.
The topmost shortcoming of traditional dressing promptly is its opacity, the healing situation that therefore can't directly inspect wound, with also can't be according to the actual healing situation decision change of dressing time of wound, thereby the situation that wound changes and but still do not know often takes place.
Yet shown in Figure 4, behind the absorptive tissue transudate, the wound dressing of this utility model is pellucidity; Whereby, no matter for medical personnel or patient itself, all can see through the state of naked eyes direct observation wound dressing 1 below wound.Therefore, when finding poor wound healing or being infected, can handle in the very first time, and avoid issuable wound deterioration situation; When finding that wound heals, also can immediately wound dressing 1 be removed.
In addition, can know that supporting layer can provide wound dressing better elastic and ductility, and medical pressure sensing adhesive layer has the well secured effect by preamble; Therefore, when combining this two dot characteristics, then can be used in the wound of large tracts of land and joint part.
As shown in Figure 5, when wound area was big, nature can't use the monolithic wound dressing to cover; If the combination of traditional wound dressing multi-disc is used, be limited to its shortcoming elasticity and ductility, add that its glue limit can glue glutinous wound, therefore very inconvenience on using.Compared to this, the wound dressing of this utility model does not then have these misgivings, but and combination in any and be used in large-area wound.
Therefore, the utlity model has following advantage:
1, because use has waterproof, the made basal layer of polyurethane transparent and ventilative character concurrently, can effectively completely cut off the extraneous source of infection, to reduce the generation of infecting.
2, owing to use the supporting layer of processing with tool elasticity and ductility material, can make wound dressing in use, have more motility and elasticity, and for example be able to be used in special wound site such as joint.
3, owing to use and to be skin-color or to be transparent supporting layer, can obtain preferable aesthetic, or be convenient to medical personnel or patient itself directly observes the wound healing situation.
4, owing to use the transudate absorbed layer of forming by hydrogel, not only can effectively absorb the tissue fluid of oozing out, and can build the wound moist environment from wound.
In sum; This utility model can reach its intended purposes really; Provide a kind of and be ductile, can keep the moistening and absorptive tissue transudate of wound, and can be transparent or skin-color; So as to taking into account aesthetic, or be convenient to the direct observation of wound dressing medical personnel or patient itself carry out to(for) the wound healing situation.
Above-mentioned again explanation and graphic only be embodiment in order to explanation this utility model, allly ripely still can do the localized variation and the modification of equivalence in the personage of this industry skill, its technology that does not break away from this utility model and spirit.
Claims (11)
1. wound dressing, its characteristic comprises:
A basal layer, made by polyurethane;
A medical pressure sensing adhesive layer, it defines a marginal area and a body regions;
A supporting layer is processed by the material of tool elasticity, ductility, and is adhered on the body regions of aforementioned medical pressure sensing adhesive layer; And
A transudate absorbed layer is made up of hydrogel, and is incorporated on this supporting layer, and it directly contacts with wound.
2. wound dressing as claimed in claim 1 is characterized in that: this hydrogel is the cross-linked polymeric hydrogel.
3. wound dressing as claimed in claim 1 is characterized in that: this hydrogel is a hydrophilic hydrogel.
4. wound dressing as claimed in claim 3 is characterized in that: this hydrophilic monomer is alkene class, polyalcohols or amide derivatives.
5. wound dressing as claimed in claim 3 is characterized in that: this hydrophilic monomer is N-vinylpyrrolidone or Polyethylene Glycol.
6. wound dressing as claimed in claim 1 is characterized in that: this supporting layer is made by high polymer elastic fabric fibre or carbon fiber.
7. wound dressing as claimed in claim 6 is characterized in that: this high polymer elastic fabric fibre or carbon fiber are for handling the translucent fiber that forms through the electricity slurry.
8. like wound dressing as claimed in claim 6, it is characterized in that: this high polymer elastic fabric fibre or carbon fiber are the fiber that is skin-color.
9. like claim 7 or 8 described wound dressings, it is characterized in that: this high polymer elastic fabric fibre for weave cotton cloth, adhesive-bonded fabric, looped fabric or water are weaved cotton cloth fiber.
10. wound dressing as claimed in claim 9 is characterized in that: this adhesive-bonded fabric fiber is polrvinyl chloride, polyethylene, ethylene vinyl acetate copolymer, polyvinyl alcohol or Polyurethane fiber.
11. wound dressing as claimed in claim 6 is characterized in that: this carbon fiber is that phosphorus content is the carbon fiber more than 90%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201360699U CN202113231U (en) | 2011-05-03 | 2011-05-03 | Wound dressing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201360699U CN202113231U (en) | 2011-05-03 | 2011-05-03 | Wound dressing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202113231U true CN202113231U (en) | 2012-01-18 |
Family
ID=45454331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201360699U Expired - Lifetime CN202113231U (en) | 2011-05-03 | 2011-05-03 | Wound dressing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202113231U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103230619A (en) * | 2013-05-15 | 2013-08-07 | 南京斯瑞奇医疗用品有限公司 | Composite hydrogel dressing and preparation method thereof |
| CN103860329A (en) * | 2012-12-10 | 2014-06-18 | 安美得生医股份有限公司 | Dressing with lugs and method of making same |
| CN103908414A (en) * | 2012-12-28 | 2014-07-09 | 安美得生医股份有限公司 | Skin moisturizing film |
| CN105686903A (en) * | 2014-12-16 | 2016-06-22 | 准讯生医股份有限公司 | Long-acting type paster dressing structure |
-
2011
- 2011-05-03 CN CN2011201360699U patent/CN202113231U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103860329A (en) * | 2012-12-10 | 2014-06-18 | 安美得生医股份有限公司 | Dressing with lugs and method of making same |
| CN103908414A (en) * | 2012-12-28 | 2014-07-09 | 安美得生医股份有限公司 | Skin moisturizing film |
| CN103230619A (en) * | 2013-05-15 | 2013-08-07 | 南京斯瑞奇医疗用品有限公司 | Composite hydrogel dressing and preparation method thereof |
| CN103230619B (en) * | 2013-05-15 | 2014-11-26 | 南京斯瑞奇医疗用品有限公司 | Composite hydrogel dressing and preparation method thereof |
| CN105686903A (en) * | 2014-12-16 | 2016-06-22 | 准讯生医股份有限公司 | Long-acting type paster dressing structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3288510B1 (en) | Wound dressing | |
| US10940050B2 (en) | Wound dressing assembly | |
| CN202113231U (en) | Wound dressing | |
| CN106963973B (en) | A kind of chitosan combine dressing and preparation method thereof | |
| CN207575183U (en) | Seepage-proof liquid pressurization application | |
| CN201996737U (en) | Self-adhesive moisturizing eye patch | |
| CN207886353U (en) | A kind of analgesia promoting healing functional dressing | |
| CN211705032U (en) | Novel anti-adhesion dressing | |
| CN208319412U (en) | Self-adhering-type surgical incision dressing | |
| CN114305869A (en) | Medical auxiliary material with sterilization and nourishing effects | |
| CN210697991U (en) | Convenient and easy-to-pressurize wound surface hemostatic dressing | |
| CN208942568U (en) | Pressurize anti-infectious remaining needle plaster | |
| CN202761549U (en) | Functional dressing for burn injury | |
| EP3730128A1 (en) | Pasting structure | |
| CN202366024U (en) | Sterile plaster | |
| CN206508117U (en) | A kind of aquagel application | |
| CN218589243U (en) | Composite multilayer high water absorption sanitary dressing | |
| CN219109952U (en) | Novel polyurethane foam dressing | |
| CN205832004U (en) | A kind of sticking structure | |
| CN103860329A (en) | Dressing with lugs and method of making same | |
| EP3400916A1 (en) | Adhesive covering structure | |
| CN212730158U (en) | Foam dressing with humidity indication function | |
| CN211024321U (en) | Alginate aseptic plaster | |
| CN204814406U (en) | From dressing for wound of trompil drainage type | |
| CN213098775U (en) | Leucoderma patient recell postoperative dermatome area surface of a wound protection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120118 |