CN103356333A - Wound dressing and preparation method thereof - Google Patents
Wound dressing and preparation method thereof Download PDFInfo
- Publication number
- CN103356333A CN103356333A CN2013103074233A CN201310307423A CN103356333A CN 103356333 A CN103356333 A CN 103356333A CN 2013103074233 A CN2013103074233 A CN 2013103074233A CN 201310307423 A CN201310307423 A CN 201310307423A CN 103356333 A CN103356333 A CN 103356333A
- Authority
- CN
- China
- Prior art keywords
- activated carbon
- carbon fiber
- wound
- absorber
- foaming
- 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.)
- Granted
Links
Images
Landscapes
- Materials For Medical Uses (AREA)
Abstract
The invention relates to a wound dressing which is used for covering a wound. The wound dressing comprises at least one absorber and a plurality of rod-like active carbon fibers, wherein each absorber is made by foaming a high molecular material; each absorber is provided with a plurality of holes; the rod-like active carbon fibers are dispersed into at least one absorber; all the active carbon fibers are partially bulged in the holes of the absorbers; all the active carbon fibers are between 2 micrometers and 15 micrometers in diameter and are between 40 micrometers and 1500 micrometers in length. According to the wound dressing, interstitial fluid exuding from the wound can be absorbed by at least one absorber, and therefore, the wound is prevented from infiltration. The active carbon fibers in the at least one absorber can be used for radiating far infrared rays to promote the blood circulation near the wound, and further, the wound healing speed is accelerated.
Description
Technical field
The present invention relates to a kind of wound cover thing, but refer to that especially a kind of inside has activated carbon fiber and the wound cover thing of emitting far infrared ray.
Background technology
Skin is the largest organ of covering human body surface, and is not subjected to the invasion and the extraneous the first line of defence that injures of external cause of disease for the protection human body.Have at skin in the situation of wound, in order to make the wound quick healing, often cover wound with the wound cover thing clinically, better healing environment to be provided and to avoid wound infection.
Common wound cover thing comprises the dressing such as gauze and cotton pad clinically, but these wound cover things generally only have the covering wound to reduce the function of external infection, can't promote wound tissue's regeneration, also can't effectively improve the situation of tissue fluid seepage, therefore when treatment has the wound of more transudate, must frequent wound cover thing, thereby patient and nursing staff caused great burden and puzzlement.
Summary of the invention
For the problems referred to above, main purpose of the present invention is to provide a kind of wound cover thing that wound fluid can be absorbed.
Another object of the present invention is to provide a kind of wound cover thing that can help by emitting far infrared ray wound healing.
But another purpose of the present invention is to provide the manufacture method of the wound cover thing of a kind of absorbing wound exudate and emitting far infrared ray.
For achieving the above object, a kind of wound cover thing provided by the present invention is used for covering a wound, it is characterized in that described wound cover thing comprises: at least one absorber 10, formed by the macromolecular material foaming, and described absorber 10 has a plurality of holes 12; A plurality of bar-shaped activated carbon fibers 20, be scattered at least one described absorber 10, and each described activated carbon fiber 20 part is protruding to be exposed in the hole 12 of described absorber 10, and wherein the diameter of each described activated carbon fiber 20 is between 2 to 15 microns, and length is between 40 to 1500 microns.
In the technical scheme of the invention described above, described activated carbon fiber 20 is the polyacrylonitrile activated carbon fiber.
Described polyacrylonitrile activated carbon fiber be the polyacrylonitrile oxidation fiber in moisture carbon dioxide, under 700 ℃ to 1200 ℃, kept 1 to 60 minute form.
Described macromolecular material be selected from by group that polyurethane resin, polyvinyl ester, ethylene-vinyl acetate resin and composition thereof form one of them.
The diameter of each described activated carbon fiber 20 is between 4 to 10 microns, and length is between 40 to 1000 microns.
For achieving the above object, the present invention also provides a kind of manufacture method of wound cover thing, include following steps: (a) a plurality of activated carbon fibers 20 are made an addition in the foaming predecessor, wherein the diameter of each described activated carbon fiber 20 is between 2 to 15 microns, length is then between 40 to 1500 microns, described foaming predecessor mainly is comprised of macromolecular material, and the addition of described activated carbon fiber 20 is the 0.1-5wt% of activated carbon fiber 20 and foaming predecessor integral body; (b) with the foaming of described foaming predecessor, form an absorber 10 with a plurality of holes 12, and in the protruding hole 12 that is exposed to described absorber 10 of each described activated carbon fiber 20 part.
Wherein, activated carbon fiber 20 is the polyacrylonitrile activated carbon fiber described in the step (a).
Described polyacrylonitrile activated carbon fiber be the polyacrylonitrile oxidation fiber in moisture carbon dioxide, under 700 ℃ to 1200 ℃, kept 1 to 60 minute form.
Macromolecular material described in the step (a) be selected from by group that polyurethane resin, polyvinyl ester, ethylene-vinyl acetate resin and composition thereof form one of them.
The addition of activated carbon fiber 20 described in the step (a) is the 1-3wt% of activated carbon fiber 20 and foaming predecessor integral body.
Adopt technique scheme, wound cover thing provided by the invention can be absorbed the liquid such as tissue fluid that ooze out from wound by absorber, avoiding wound to produce infiltrates, activated carbon fiber in the absorber then can be used to emitting far infrared ray, promote near the blood circulation that wound is, and then the speed of accelerating wound healing.
Description of drawings
Fig. 1 is the axonometric chart of the first embodiment of wound cover thing of the present invention;
Fig. 2 is the axonometric chart of wound cover thing the second embodiment of the present invention;
Fig. 3 is the axonometric chart of wound cover thing the 3rd embodiment of the present invention;
Fig. 4 is the axonometric chart of wound cover thing the 4th embodiment of the present invention;
Fig. 5 is the flow chart of the manufacture method preferred embodiment of wound cover thing of the present invention;
Fig. 6 is the electron micrograph of wound cover thing finished product of the present invention;
Fig. 7 is the electron micrograph of another wound cover thing finished product of the present invention;
Fig. 8 is the electron micrograph of matched group wound cover thing finished product;
Fig. 9 is the electron micrograph of another matched group wound cover thing finished product;
Figure 10 is again the electron micrograph of a matched group wound cover thing finished product.
The specific embodiment
Now lifting following examples also is elaborated to structure of the present invention and effect by reference to the accompanying drawings.
At first, as shown in Figure 1, in the first embodiment of the present invention, a kind of wound cover thing 1 be used to covering on the wound comprises an absorber 10 and a plurality of bar-shaped activated carbon fiber 20.
A plurality of activated carbon fibers 20 are scattered in the absorber 10, and these activated carbon fibers 20 are exposed to for part is protruding in the hole of absorber 10 (such as Fig. 6, shown in Figure 7), wherein the diameter of these activated carbon fibers 20 is between 2 to 15 microns, and with 4 to 10 microns for better, length is then between 40 to 1500 microns, and with 40 to 1000 microns for better, its diameter and length are less than the words of aforementioned range, then activated carbon fiber 20 is absorbed easily body 10 and coats fully and can't protrudingly be exposed in the hole 12, if otherwise greater than aforementioned range, then can affect absorber 10 foaming and reduce its intensity or even can't molding.Activated carbon fiber 20 can be but be not limited to the polyacrylonitrile activated carbon fiber, wherein this polyacrylonitrile activated carbon fiber can be the polyacrylonitrile oxidation fiber in moisture carbon dioxide, under 700 ℃ to 1200 ℃, kept 1 to 60 minute form.In addition, also can Ag-bearing on the surface of activated carbon fiber 20, the noble metal granule such as gold, palladium, platinum, copper, zinc and combination thereof to be to have antibacterial functions concurrently, and is wherein better with the antibacterial effect of Ag-bearing granule again.
Aforementioned wound cover thing 1 can cover the skin surface wound, the absorber 10 that wherein has a plurality of holes 12 can absorb the liquid such as tissue fluid that ooze out from wound, slow down the situation that wound infiltrates, and the replacement frequency of minimizing wound cover thing 1, activated carbon fiber 20 then can be after absorbing the external energy such as heat energy, luminous energy, these energy are discharged with the far infrared form, so can promote near the blood circulation that wound is, help accelerating wound healing.
In addition, as shown in Figure 2, in order further to avoid being stained with glutinous wound, wound cover thing 1 can also comprise that a contact layer 30 is located at absorber 10 contiguous wounds one sides, in order to contact wound.In addition, in order to prevent that further the external source of infection from entering wound, wound cover thing 1 can also comprise that an air-permeable layer 40 is located at absorber 10 away from wound one side, air-permeable layer 40 can select have better hydrolytic resistance, the material of wearability, workability, high-flexibility characteristics, and only can allow aqueous vapor pass through, can't allow liquid hydrone pass through, so that wound surface has suitable wettability, unnecessary aqueous vapor can be discharged again, avoid wound to infiltrate.
In addition, absorber 10 is interior can also to add therapeutic component 50, available therapeutic component 50 can be but be not limited to that erythromycin, tetracycline, clindamycin, chlorine point quinoline, tinea move back, Gotu Kola, triacetyl glycerine, the not wound, ingredient or its combination of burning or scalding of a Luo Si, povidone iodine, catechin, spherical chitosan, poly-glutamic acid etc.
As shown in Figure 3, in the third embodiment of the present invention, wound cover thing 1 also can comprise plural layer absorber 10,10a, and only wherein has aforementioned activated carbon fiber 20 in the absorber 10.Certainly, in other possible embodiment, plural layer absorber 10,10a also may have activated carbon fiber 20 simultaneously.
As shown in Figure 4, in the fourth embodiment of the present invention, wound cover thing 1 also can comprise is located at air-permeable layer 40 away from the backing 60 of wound one side, the area of backing 60 is greater than the area of other layers such as contact layer 30, absorber 10, air-permeable layer 40, the zone capped at backing 60 can be coated with the viscoses such as pressure sensitivity glue, can supply to stick in skin, and in order to keep before use the activity of backing 60, can cover a release paper 70 on backing 60, release paper 70 can be torn before use.
As shown in Figure 5, in order to make the major part of aforementioned wound cover thing, manufacture method provided by the present invention is that these activated carbon fibers are made an addition in the foaming predecessor of absorber, wherein the addition of this activated carbon fiber is the 0.1-5wt% of activated carbon fiber and foaming predecessor integral body, and better with 1-3wt%, if the activated carbon fiber addition is lower than aforementioned range, then can't reach the effect that expection promotes wound healing, if otherwise be higher than aforementioned range, then prepared absorber intensity reduces easily, or even smooth foaming.Employed activated carbon fiber can be equally the polyacrylonitrile oxidation fiber in moisture carbon dioxide, under 700 ℃ to 1200 ℃, keep 1 to 60 minute formed polyacrylonitrile activated carbon fiber.
With two dosage form polyurethanes absorbers, its foaming predecessor has namely comprised such as polyhydric alcohol such as POLYPROPYLENE GLYCOLs, such as toluene di-isocyanate(TDI) (TDI), 4, the vulcabond such as 4 '-methyl diphenylene diisocyanate (MDI), and foaming agent, at first polyhydric alcohol, foaming agent and activated carbon fiber are pre-mixed, again mix after then adding vulcabond, follow into mould foaming, the action such as sequentially carry out demoulding after foaming is finished, cut can make required wound cover thing.Wherein, the foaming predecessor can be selected and be not limited to the macromolecular materials such as polyurethane resin, polyvinyl ester or ethylene-vinyl acetate resin.
Based on aforementioned manufacture method, the activated carbon fiber that 2wt%, average diameter and length is respectively 6 microns and 40 microns is added in the foaming predecessor of polyurethanes absorber, and the electron micrograph of gained finished product of the present invention as shown in Figure 6 after foaming.
The activated carbon fiber that 2wt%, average diameter and length is respectively 6 microns and 1000 microns is added in the foaming predecessor of polyurethanes absorber, and the electron micrograph of another finished product of gained the present invention as shown in Figure 7 after foaming.
The active carbon particle that 2wt%, average diameter and length is respectively 20 microns and 35 microns is added in the foaming predecessor of polyurethanes absorber, and the electron micrograph of gained matched group finished product as shown in Figure 8 after foaming.
The activated carbon fiber that 2wt%, average diameter and length is respectively 4 microns and 9 microns is added in the foaming predecessor of polyurethanes absorber, and the electron micrograph of the another finished product of gained matched group as shown in Figure 9 after foaming.
The activated carbon fiber that 2wt%, average diameter and length is respectively 6 microns and 5000 microns is added in the foaming predecessor of polyurethanes absorber, after foaming the gained matched group again a finished product electron micrograph as shown in figure 10.
By the aforementioned electronic microphotograph as seen, with the prepared wound cover thing of the inventive method, its absorber foaming is good, and its activated carbon fiber all can protrudingly be exposed in the hole 12 of absorber 10, such as Fig. 6, shown in Figure 7, otherwise such as Fig. 8, in the matched group shown in Figure 9, although the foaming of absorber 10 is good, but the short activated carbon fiber of length can be absorbed the body coating fully and can't protrudingly be exposed in the hole 12, and in the matched group as shown in figure 10, therefore its activated carbon fiber is long, can condense each other in foaming process and hinder absorber 10 molding, and its uniformity is relatively poor.
Based on above-mentioned explanation as can be known, the foaming of wound cover thing provided by the present invention is better, and has high-absorbable and can be in order to the wound fluid of hyperabsorption, but again emitting far infrared ray with blood circulation promoting accelerating wound healing, therefore can effectively shorten the time of wound healing, simultaneously also can alleviate nursing staff's burden, really have the effect of remarkable enhancement, satisfy the demand in the practicality.
At last, what must again illustrate is, the composed component that the present invention discloses in the aforementioned embodiment is not the scope of patent protection that limits this case only for illustrating, and substituting or changing of other equivalent materials also should be contained by the scope of patent protection of this case.
Claims (10)
1. a wound cover thing is used for covering a wound, it is characterized in that described wound cover thing comprises:
At least one absorber (10) is formed by the macromolecular material foaming, and described absorber (10) has a plurality of holes (12);
A plurality of bar-shaped activated carbon fibers (20), be scattered at least one described absorber (10), and each described activated carbon fiber (20) part is protruding to be exposed in the hole (12) of described absorber (10), wherein the diameter of each described activated carbon fiber (20) is between 2 to 15 microns, and length is between 40 to 1500 microns.
2. wound cover thing as claimed in claim 1, it is characterized in that: described activated carbon fiber (20) is the polyacrylonitrile activated carbon fiber.
3. wound cover thing as claimed in claim 2 is characterized in that: described polyacrylonitrile activated carbon fiber be the polyacrylonitrile oxidation fiber in moisture carbon dioxide, under 700 ℃ to 1200 ℃, kept 1 to 60 minute form.
4. wound cover thing as claimed in claim 1 is characterized in that: described macromolecular material be selected from by group that polyurethane resin, polyvinyl ester, ethylene-vinyl acetate resin and composition thereof form one of them.
5. wound cover thing as claimed in claim 1, it is characterized in that: the diameter of each described activated carbon fiber (20) is between 4 to 10 microns, and length is between 40 to 1000 microns.
6. the manufacture method of a wound cover thing includes following steps:
(a) a plurality of activated carbon fibers (20) are made an addition in the foaming predecessor, wherein the diameter of each described activated carbon fiber (20) is between 2 to 15 microns, length is then between 40 to 1500 microns, described foaming predecessor mainly is comprised of macromolecular material, and the addition of described activated carbon fiber (20) is the 0.1-5wt% of activated carbon fiber (20) and foaming predecessor integral body;
(b) with the foaming of described foaming predecessor, form an absorber (10) with a plurality of holes (12), and in the protruding hole (12) that is exposed to described absorber (10) of each described activated carbon fiber (20) part.
7. the manufacture method of wound cover thing as claimed in claim 6, it is characterized in that: activated carbon fiber (20) described in the step (a) is the polyacrylonitrile activated carbon fiber.
8. the manufacture method of wound cover thing as claimed in claim 7 is characterized in that: described polyacrylonitrile activated carbon fiber be the polyacrylonitrile oxidation fiber in moisture carbon dioxide, under 700 ℃ to 1200 ℃, kept 1 to 60 minute form.
9. the manufacture method of wound cover thing as claimed in claim 6 is characterized in that: macromolecular material described in the step (a) be selected from by group that polyurethane resin, polyvinyl ester, ethylene-vinyl acetate resin and composition thereof form one of them.
10. the manufacture method of wound cover thing as claimed in claim 6, it is characterized in that: the addition of activated carbon fiber (20) described in the step (a) is the 1-3wt% of activated carbon fiber (20) and foaming predecessor integral body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310307423.3A CN103356333B (en) | 2013-07-22 | 2013-07-22 | Wound dressing and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310307423.3A CN103356333B (en) | 2013-07-22 | 2013-07-22 | Wound dressing and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103356333A true CN103356333A (en) | 2013-10-23 |
| CN103356333B CN103356333B (en) | 2015-04-29 |
Family
ID=49359176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310307423.3A Expired - Fee Related CN103356333B (en) | 2013-07-22 | 2013-07-22 | Wound dressing and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103356333B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20210025401A (en) * | 2019-08-27 | 2021-03-09 | 주식회사 티앤엘 | Antibacterial Nonwoven Dressing |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007075132A (en) * | 2005-09-09 | 2007-03-29 | Nitto Denko Corp | Medical adhesive tape or sheet |
| CN101433484A (en) * | 2007-11-13 | 2009-05-20 | 青岛喜盈门集团有限公司 | Seaweed fiber medical dressing |
| CN101660254A (en) * | 2009-09-18 | 2010-03-03 | 上海天翔纺织科技有限公司 | Continuous preparation method of activated carbon fiber cloth with high breaking strength and elongation at break |
| CN102159165A (en) * | 2008-09-19 | 2011-08-17 | 拜尔材料科学股份公司 | Wound dressing with a polyurethane foam layer and a cover layer made of thermoplastic polymer |
| WO2012006300A1 (en) * | 2010-07-07 | 2012-01-12 | 3M Innovative Properties Company | Patterned air-laid nonwoven fibrous webs and methods of making and using same |
| CN102600013A (en) * | 2012-03-21 | 2012-07-25 | 苏州博创同康生物工程有限公司 | Medical flocking hemostasis material, preparation thereof and application |
| US20130053807A1 (en) * | 2011-08-24 | 2013-02-28 | Calgon Carbon Corporation | Activated carbon containing wound dressing |
| CN203591383U (en) * | 2013-07-22 | 2014-05-14 | 科云生医科技股份有限公司 | Wound cover |
-
2013
- 2013-07-22 CN CN201310307423.3A patent/CN103356333B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007075132A (en) * | 2005-09-09 | 2007-03-29 | Nitto Denko Corp | Medical adhesive tape or sheet |
| CN101433484A (en) * | 2007-11-13 | 2009-05-20 | 青岛喜盈门集团有限公司 | Seaweed fiber medical dressing |
| CN102159165A (en) * | 2008-09-19 | 2011-08-17 | 拜尔材料科学股份公司 | Wound dressing with a polyurethane foam layer and a cover layer made of thermoplastic polymer |
| CN101660254A (en) * | 2009-09-18 | 2010-03-03 | 上海天翔纺织科技有限公司 | Continuous preparation method of activated carbon fiber cloth with high breaking strength and elongation at break |
| WO2012006300A1 (en) * | 2010-07-07 | 2012-01-12 | 3M Innovative Properties Company | Patterned air-laid nonwoven fibrous webs and methods of making and using same |
| US20130053807A1 (en) * | 2011-08-24 | 2013-02-28 | Calgon Carbon Corporation | Activated carbon containing wound dressing |
| CN102600013A (en) * | 2012-03-21 | 2012-07-25 | 苏州博创同康生物工程有限公司 | Medical flocking hemostasis material, preparation thereof and application |
| CN203591383U (en) * | 2013-07-22 | 2014-05-14 | 科云生医科技股份有限公司 | Wound cover |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20210025401A (en) * | 2019-08-27 | 2021-03-09 | 주식회사 티앤엘 | Antibacterial Nonwoven Dressing |
| KR102268976B1 (en) | 2019-08-27 | 2021-06-25 | 주식회사 티앤엘 | Antibacterial Nonwoven Dressing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103356333B (en) | 2015-04-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Aljghami et al. | Emerging innovative wound dressings | |
| Hassiba et al. | Review of recent research on biomedical applications of electrospun polymer nanofibers for improved wound healing | |
| Barnum et al. | Microneedle arrays for the treatment of chronic wounds | |
| Zhou et al. | Rational design of intelligent and multifunctional dressing to promote acute/chronic wound healing | |
| EP2589393B1 (en) | Wound care device | |
| US7799965B2 (en) | Wound dressings with anti-microbial and zinc-containing agents | |
| CN103933602A (en) | Preparation method of chitosan-based drug-loading composite antibacterial superfine fiber membrane | |
| CN203591383U (en) | Wound cover | |
| CN103655046A (en) | Wound dressing with three-layer structure and preparation method of wound dressing | |
| WO2014182536A1 (en) | Biopolymer multi-layer multi-functional medical dressing and method of making same | |
| CN104189942A (en) | Antibacterial wound dressing and preparation method thereof | |
| DE602006020063D1 (en) | ACTIVE COMPOUND BODIES | |
| CN101400379A (en) | Methods for producing silver-bonded antimicrobial moist wound dressings and moist wound dressings produced by the methods | |
| WO2013134074A3 (en) | Wound dressing inhibiting lateral diffusion of absorbed exudate | |
| Jiang et al. | Current status and progress in research on dressing management for diabetic foot ulcer | |
| CN103110477B (en) | Manufacturing method of composite medical non-woven fabric absorbent pads | |
| Fallah et al. | The current and advanced therapeutic modalities for wound healing management | |
| CN104587515B (en) | A kind of Medical wounded surface dressing with anti-infective function | |
| CN109731121A (en) | A kind of preparation method of the cellulose containing mesoporous silicon oxide and chitosan combine dressing | |
| US20210162090A1 (en) | Composite fiber | |
| Tran et al. | Recent advances in functional wound dressings | |
| CN103356333B (en) | Wound dressing and preparation method thereof | |
| US20150061171A1 (en) | Method of manufacturing wound dressing | |
| WO2008080532A3 (en) | Medical fabric | |
| KR102110571B1 (en) | Manufacturing method of transdermal patch comprising effective ingredients |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20190722 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |