CN209770674U - Human epidermal growth factor band-aid - Google Patents
Human epidermal growth factor band-aid Download PDFInfo
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- CN209770674U CN209770674U CN201822035865.8U CN201822035865U CN209770674U CN 209770674 U CN209770674 U CN 209770674U CN 201822035865 U CN201822035865 U CN 201822035865U CN 209770674 U CN209770674 U CN 209770674U
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Abstract
The utility model discloses a human epidermal growth factor band-aid. The human epidermal growth factor band-aid comprises: a hydrated gel layer and a cushion layer. The colloid layer is made of hydrated colloid and has the function of isolating air and providing a humid environment. The dressing pad layer contains the human epidermal growth factor, so that the wound can be quickly healed, and the formation of scars is reduced. The utility model provides a wound woundplast is restoreed fast to hydrocolloid provides moist environment for the surface of a wound, can restore the wound fast to reduce the formation of scar.
Description
Technical Field
The utility model relates to a scar-free band-aid for rapidly repairing wounds by utilizing human epidermal growth factors, in particular to a novel medical instrument which adopts hydrated colloidal materials to carry out the moistening therapy to repair the wounds.
Background
At present, the outer layer of the known band-aid is a polyurethane film and small holes invisible to naked eyes, so that air and water vapor can pass through the band-aid, and water and bacteria can be prevented from entering the band-aid. The middle layer is made of non-woven fabric, so that the outer layer is elastic. The inner layer is an island-shaped composite pad with strong absorbability and no adhesion to wounds, and consists of non-woven fabric and a PE isolating film. However, the traditional band-aid cannot accelerate wound repair and reduce scar formation, and only can be a simple waterproof band-aid. At present, no band-aid for rapidly promoting wound repair and reducing scars by utilizing bioactive factors exists.
SUMMERY OF THE UTILITY MODEL
an object of the utility model is to provide a wound woundplast is restoreed fast to hydrocolloid owing to add human epidermal growth factor granule, reaches fast healing and reduces the scar efficiency. Simple and convenient, and is suitable for large-scale popularization.
in order to achieve the above object, the utility model adopts the following technical means:
A human epidermal growth factor band-aid comprises a band-aid body; the band-aid body is of a layered structure, and comprises a dressing layer arranged on the upper layer and a hydrated colloid layer arranged on the lower layer, wherein a slow release layer is arranged on the dressing layer, human epidermal growth factor particles are arranged on the slow release layer, the lower part of the hydrated colloid layer is a base layer, and an adhesion layer is arranged on the base layer.
Preferably, the present invention further provides:
The particle size of the human epidermal growth factor particles is 5-40 microns. Uniformly dispersed on the slow release layer.
The base layer is a hydrated colloid consisting of hydrophobic adhesive and hydrophilic adhesive.
The base layer specifically comprises a poly (styrene, alkadiene and styrene) block copolymer, tackifying resin, an acrylate copolymer, a plasticizer, hydrosol and an antioxidant.
The slow release layer is non-woven fabric, the thickness of the non-woven fabric is 1 mm, and the slow release layer enables the human epidermal growth factor to be released to the wound surface in a one-way mode.
The dressing layer is adhered to the hydrated gel layer by adhesion.
The length of the base layer is longest, the length of the adhesion layer is slightly smaller than that of the base layer, and the slow release layer is arranged in the middle of the adhesion layer.
the adhesion layer is made of adhesive and polyurethane film.
The adhesive bandage is characterized in that an anti-drop structure is arranged on the outer side of the base layer of the adhesive bandage body, the anti-drop structure is a reinforcing adhesive tape, and the reinforcing adhesive tape is arranged on the edges of four corners of the base layer. The adhesive tape is reinforced through the arrangement, so that the adhesive tape is prevented from falling off, corners of the adhesive tape can often fall off firstly in the using process, and the fixing problem of the adhesive tape is solved through the arrangement of the reinforcing adhesive tape.
The utility model has the advantages that: the utility model provides a wound woundplast is restoreed fast to hydration colloid, the freeze-dried powder of human epidermal growth factor and wound contact directly promote wound healing, reach the fast healing efficiency. The wound is sealed without contacting with air by combining the moistening therapy of the hydrated colloid, so that the pain is relieved, the body fluid secreted by the wound is prevented from drying, and the effect of reducing scars is achieved.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural view of the reinforcing rubber strip of the present invention.
Description of reference numerals: 1-a hydrated colloidal layer; 2-applying a cushion layer; 3-a base layer; 4-an adhesion layer; 5-a slow release layer; 6-human epidermal growth factor particles and 7-reinforcing adhesive strips.
Detailed Description
the present invention will be further described with reference to the following examples.
Specific example 1:
Referring to fig. 1, the utility model relates to a human epidermal growth factor woundplast, woundplast body are layered structure, set up the cushion 2 and the hydrated colloid layer 1 of setting in the lower floor of applying of upper strata, apply and be equipped with the controlled release layer 5 on the cushion 2, be equipped with human epidermal growth factor granule 6 on the controlled release layer 5, hydrated colloid layer 1 lower part be basic unit 3, the position adheres layer 4 above the basic unit 3, the particle diameter of human epidermal growth factor granule 6 is 5-40 microns. Uniformly dispersed on the slow release layer 5, the base layer 3 is a hydrated colloid consisting of a hydrophobic adhesive and a hydrophilic adhesive, the base layer 3 specifically comprises a poly (styrene, dialkene and styrene) block copolymer, tackifying resin, an acrylate copolymer, a plasticizer, hydrosol and an antioxidant, the slow release layer 5 is a non-woven fabric, the thickness of the non-woven fabric is 1 mm, the slow release layer 5 enables the human epidermal growth factor to be slowly released towards the wound surface in a single direction, the dressing layer 2 is adhered with the hydrated colloid layer 1 through adhesion, the length of the base layer 3 is the longest, the length of the adhesion layer is slightly smaller than that of the base layer 3, the slow release layer 5 is arranged in the middle of the adhesion layer 4, the material of the adhesion layer 4 is adhesive and polyurethane film,
Referring to fig. 2, the utility model relates to a human epidermal growth factor woundplast, the 3 outsides of basic unit of woundplast body are equipped with anti-drop structure, anti-drop structure for strengthening adhesive tape 7, strengthen adhesive tape 7 set up at 3 four corners edges of basic unit.
Specific example 2:
Referring to fig. 1, the utility model relates to a human epidermal growth factor band-aid, wound band-aid is restoreed fast to hydrated colloid includes: the base layer 3, the adhesion layer 4 positioned on the upper surface of the base layer 3 and the dressing layer 2 covering the adhesion layer 4, wherein the dressing layer 2 comprises a slow release layer 5 and human epidermal growth factor particles 6 dispersed on the slow release layer 5.
The base layer 3 is a hydrated colloid material consisting of a hydrophobic adhesive and a hydrophilic adhesive, and specifically comprises a poly (styrene, alkadiene and styrene) block copolymer, tackifying resin, an acrylate copolymer, a plasticizer, hydrosol and an antioxidant, so that the wound is closed without contacting with air, pain is relieved, body fluid secreted by the wound is prevented from drying out, and the effect of reducing scars is achieved through a moistening therapy, and the adhesion layer 41-2 is composed of an adhesive and a polyurethane film.
the preparation of human epidermal growth factor is well known to those skilled in the art, for example, the material of human epidermal growth factor is urine of healthy adult male, and the prior chinese patent CN104497127 discloses "a method for preparing human epidermal growth factor". The method belongs to the prior art and is not described herein.
Human epidermal growth factor particle 6, the freeze-drying prepared by the above process, grinding into particles with particle size of 5-40 μm. Uniformly dispersed on the slow release layer 5.
The sustained-release layer 5 may be a nonwoven fabric and may have a thickness of 1 mm. In order to avoid the human epidermal growth factor from permeating into the hydrated colloid layer 1, the slow release layer 5 needs to be arranged, and the human epidermal growth factor can be effectively and unidirectionally released to the wound surface by arranging the slow release layer 5.
A specific method for preparing the hydrated colloid rapid repair wound bandage of the present invention will be provided below, but the present invention is not limited thereto.
The adhesive is uniformly coated on the polyurethane film, the unfixed and formed substrate layer is directly coated on the adhesion layer 4, and the hydrated colloid layer 1 is prepared. Human epidermal growth factor particles 6 are prepared and then stacked on the surface of the sustained release layer 5, and then the human epidermal growth factor particles 6 are dispersed on the sustained release layer 5 to form the dressing layer 2. Finally, the surface of the hydrated colloidal layer 1 is covered with a cushion layer 2, and the preparation is completed.
The utility model discloses its characteristics of use are: when the skin is scratched, the wound is cleaned, the blood is wiped off, the woundplast is taken out, and the palm is used for covering the heat for about one minute, so that the inner layer of the woundplast is opposite to the wound. The inner layer of the band-aid is opposite to the wound, so that the human epidermal growth factor particles 6 are directly and fully contacted with the wound surface, and the maximum requirements of cell proliferation and granulation tissue development are met by fully combining the human epidermal growth factor with endogenous epidermal growth factor receptors accumulated on the wound surface.
The synthesis and secretion of some macromolecules outside the cell are stimulated, so that the growth of cells such as keratinocytes, fibroblasts, smooth muscle cells and endothelial cells is promoted. When the wound is healed, effusion of blood and the like is discharged, the surface of the band-aid can be swelled, the band-aid can be torn off and replaced after the surface of the band-aid is swelled, and the wound needs to be cleaned when the band-aid is replaced. The band-aid is recommended to be replaced once every 2 to 3 days. After replacing for several times, the surface of the band-aid does not swell any more, which indicates that the new skin grows completely and can be torn off.
Since the above description is only a specific embodiment of the present invention, but the protection of the present invention is not limited thereto, any person skilled in the art can think of equivalent changes or substitutions of the technical features of the present invention, and all are covered in the protection scope of the present invention.
Claims (3)
1. A human epidermal growth factor band-aid comprises a band-aid body; the method is characterized in that: the band-aid is characterized in that the band-aid body is of a layered structure, a dressing layer arranged on the upper layer and a hydrated colloid layer arranged on the lower layer are arranged, a slow release layer is arranged on the dressing layer, human epidermal growth factor particles are arranged on the slow release layer, the lower portion of the hydrated colloid layer is a base layer, an adhesion layer is arranged above the base layer, the particle size of the human epidermal growth factor particles is 5-40 micrometers and is uniformly dispersed on the slow release layer, the length of the base layer is the longest, the length of the adhesion layer is slightly smaller than that of the base layer, the slow release layer is arranged in the middle of the adhesion layer, an anti-falling structure is arranged on the outer side of the base layer of the band-aid body, the anti-falling structure is a reinforcing adhesive tape.
2. The human Epidermal Growth Factor (EGF) band-aid of claim 1, wherein: the slow release layer is non-woven fabric, the thickness of the non-woven fabric is 1 mm, and the slow release layer enables the human epidermal growth factor to be released to the wound surface in a one-way mode.
3. The human Epidermal Growth Factor (EGF) band-aid of claim 1, wherein: the dressing layer is adhered to the hydrated gel layer by adhesion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822035865.8U CN209770674U (en) | 2018-12-06 | 2018-12-06 | Human epidermal growth factor band-aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822035865.8U CN209770674U (en) | 2018-12-06 | 2018-12-06 | Human epidermal growth factor band-aid |
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| Publication Number | Publication Date |
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| CN209770674U true CN209770674U (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822035865.8U Active CN209770674U (en) | 2018-12-06 | 2018-12-06 | Human epidermal growth factor band-aid |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112691187A (en) * | 2020-12-30 | 2021-04-23 | 深圳新发源植物科技发展有限公司 | Sustained-release film for preventing forehead alopecia and preparation method thereof |
-
2018
- 2018-12-06 CN CN201822035865.8U patent/CN209770674U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112691187A (en) * | 2020-12-30 | 2021-04-23 | 深圳新发源植物科技发展有限公司 | Sustained-release film for preventing forehead alopecia and preparation method thereof |
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