CN211271655U - Stretchable band-aid - Google Patents
Stretchable band-aid Download PDFInfo
- Publication number
- CN211271655U CN211271655U CN201921893331.7U CN201921893331U CN211271655U CN 211271655 U CN211271655 U CN 211271655U CN 201921893331 U CN201921893331 U CN 201921893331U CN 211271655 U CN211271655 U CN 211271655U
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- Prior art keywords
- layer
- stretching
- tensile
- wound
- pressing
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- Expired - Fee Related
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- 239000003814 drug Substances 0.000 claims abstract description 32
- 239000002131 composite material Substances 0.000 claims abstract description 4
- 239000010410 layer Substances 0.000 claims description 154
- 238000010521 absorption reaction Methods 0.000 claims description 32
- 238000003825 pressing Methods 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 239000012790 adhesive layer Substances 0.000 claims description 14
- 229940079593 drug Drugs 0.000 claims description 11
- 229920001661 Chitosan Polymers 0.000 claims description 4
- 239000003292 glue Substances 0.000 abstract description 10
- 230000004888 barrier function Effects 0.000 abstract description 8
- 238000005452 bending Methods 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 238000012856 packing Methods 0.000 abstract 1
- 206010052428 Wound Diseases 0.000 description 41
- 208000027418 Wounds and injury Diseases 0.000 description 41
- 238000002955 isolation Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000029663 wound healing Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 208000025978 Athletic injury Diseases 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 208000003322 Coinfection Diseases 0.000 description 1
- 206010041738 Sports injury Diseases 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 238000001266 bandaging Methods 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000023555 blood coagulation Effects 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 210000000416 exudates and transudate Anatomy 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
- 230000002439 hemostatic effect Effects 0.000 description 1
- 239000000017 hydrogel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
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- Materials For Medical Uses (AREA)
Abstract
The utility model relates to a can tensile woundplast, it includes the fixed bed, the absorbed layer, medicine layer and barrier paper, the medicine layer, absorbed layer and fixed bed laminate in proper order and form the composite bed structure, the fixed bed includes waterproof ventilative layer, tensile layer and glue film of exerting pressure, waterproof ventilative layer is with tensile layer fixed range upon range of exerting pressure, tensile layer of exerting pressure sets up to the elastic construction that the elastic coefficient scope is 0.01< k <0.012, the glue film sets up to the annular, the glue film sets up at tensile layer of exerting pressure side surface edge, the barrier paper bonds on tensile layer of exerting pressure through the glue film, waterproof ventilative layer elastic coefficient is less than tensile layer of exerting pressure, be equipped with the bleeder vent on the medicine layer. The utility model discloses can paste joint department wound, be in the bending state when the joint, joint department skin is to stretching all around, and the fixed bed is along with the skin that glues receives the pulling force, and has the trend of external stretching, gives bonding skin simultaneously and is the packing force to wound surface skin with reaction force and resultant force, avoids skin to stretch the wound to the motion all around.
Description
Technical Field
The utility model relates to a band-aid, especially a can tensile band-aid.
Background
Along with the continuous improvement of living standard of people, sports becomes an important component in the life of people, and along with the requirement of wound treatment after sports injury, the band-aid is produced as a simple bandaging product for small wounds. The band-aid is mainly composed of a plain cloth adhesive plaster and a medicine pad, thereby playing the roles of temporary hemostasis and wound surface protection.
The prior art at least has the following technical problems:
firstly, the method comprises the following steps: due to the structural limitation of the band-aid, the band-aid causes the joint to be bent inconveniently when being used at the joint.
Secondly, the method comprises the following steps: the band-aid has poor air permeability and water absorption, water vapor normally secreted by the local part of a wound to be attached cannot penetrate through the band-aid, and if the band-aid is used for a long time, the skin of the wound and the periphery of the wound is whitened and softened to cause secondary infection of bacteria, so that the wound is further worsened.
Thirdly, the method comprises the following steps: the medicinal pad is easy to deform along with the skin around the wound when in use, and has poor fixing effect on the wound.
Accordingly, the prior art is yet to be improved and developed.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model discloses a can tensile woundplast, it includes fixed bed, absorbed layer, medicine layer and barrier paper, medicine layer, absorbed layer and fixed bed laminate in proper order and form the composite bed structure, the fixed bed includes waterproof ventilative layer, tensile layer of exerting pressure and glue film, waterproof ventilative layer is fixed range upon range with tensile layer of exerting pressure, tensile layer of exerting pressure sets up to the elastic construction that the coefficient of elasticity scope is 0.01< k <0.012, the glue film sets up to the annular, and the glue film setting is at tensile layer of exerting pressure side surface edge, the barrier paper passes through the glue film and bonds on tensile layer of exerting pressure, the coefficient of elasticity on waterproof ventilative layer is less than tensile layer of exerting pressure, be equipped with the bleeder vent on the medicine layer.
Preferably, the absorption layer comprises a water absorption layer and a tensile layer, cylindrical protruding structures are uniformly distributed on the surface of one side of the tensile layer, and the water absorption layer and the stretching pressure layer are connected to form an integral structure on the two sides of the top and the bottom of the cylindrical protruding structures.
Preferably, the adjacent cylindrical protruding structures are connected in the radial direction through the connecting structure, and are limited by the connecting structure.
Preferably, the isolation paper is provided with an edge protruding structure, and the edge protruding structure is connected with the edge of the isolation paper and is attached to the outer surface of the isolation paper after being bent along the edge.
Preferably, the stretching and pressing layer is provided with array blind holes all over, and the opening direction of the array blind holes points to the waterproof breathable layer.
Preferably, the drug layer is provided as a chitosan layer.
Advantageous effects
Compared with the prior art, the stretchable band-aid has the advantages that due to the adoption of the technical scheme, when the joint is in a bending state, the skin at the joint is stretched towards the periphery, the fixing layer tends to be stretched outwards along with the adhered skin, the reaction force is applied to the adhered skin, the fixing layer is in pressing force on the skin on the surface of a wound, and the skin is prevented from moving towards the periphery to split the wound; meanwhile, the absorption layer is arranged to quickly absorb the seepage of the wound surface, and the wound surface is kept in a certain moist state due to the extremely strong water locking capacity, so that the wound healing by adhering the absorption layer to the medicine layer is facilitated.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic diagram of the explosion structure of the present invention.
Legend: 1. a fixed layer; 11. a waterproof breathable layer; 12. stretching the pressing layer; 121. array blind holes; 13. a glue layer; 2. an absorbing layer; 21. a water-absorbing layer; 22. a tensile layer; 221. a cylindrical convex structure; 222. a connecting structure; 3. a drug layer; 31. air holes are formed; 4. release paper; 41. an edge projection arrangement.
Detailed Description
The present invention is further illustrated by the following examples, but is not limited to the contents of the specification.
As shown in fig. 1 and fig. 2, a stretchable band-aid, which comprises a fixing layer 1, an absorbing layer 2, a drug layer 3 and a piece of isolation paper 4, the drug layer 3, the absorbing layer 2 and the fixing layer 1 are sequentially attached to form a composite layer structure, the fixing layer 1 comprises a waterproof and breathable layer 11, a stretching and pressing layer 12 and an adhesive layer 13, the waterproof and breathable layer 11 is fixedly laminated with the stretching and pressing layer 12, the stretching and pressing layer 12 is arranged to be an elastic structure with an elastic coefficient range of 0.01< k <0.012N/m, for example, hydrogel is selected, the adhesive layer 13 is arranged to be annular, the adhesive layer 13 is arranged on the edge of one side surface of the stretching and pressing layer 12, the isolation paper 4 is adhered to the stretching and pressing layer 12 through the adhesive layer 13, the elastic coefficient of the waterproof and breathable layer 11 is smaller than that of the stretching and pressing. For example, the adhesive bandage can be pasted on a wound at the joint, when the joint is in a straight state, the fixing layer 1 is pasted on an annular area around the wound through the adhesive layer 13, the fixing layer 1 is connected with the absorption layer 2 and the medicine layer 3 through the stretching and pressing layer 12, the medicine layer 3 is pasted on the wound, when the joint is in a bending state, the skin at the joint is stretched towards the periphery, the fixing layer 1 has the tendency of stretching outwards along with the pasted skin, simultaneously, the reaction force is exerted on the pasted skin and the pressing force is exerted on the skin on the surface of the wound, the skin is prevented from moving towards the periphery to crack the wound, the resultant force of the tensile force in all directions after the fixing layer 1 is stretched points to the direction of the wound, the absorption layer 2 and the medicine layer 3 are pressed to be pasted on the surface of the wound, the pressure is generated on the wound, the hemostatic effect and the wound gathering effect on the wound are increased, and the compression layer 12 is stretched, selecting an elastic structure with the elastic coefficient range of 0.01< k <0.012N/m, so that the wound can not be cracked due to the joint movement at the pasting position due to overlarge elasticity, and the joint movement at the pasting position can not be limited due to too small elasticity; the absorption layer 2 is arranged into a water-absorbing material structure, so that the wound exudate of a wound surface can be quickly absorbed, the wound healing of the wound adhered to the drug layer 3 is facilitated, the absorption layer 2 is formed by compounding two layer structures, one layer is a water-absorbing layer, the other layer is a tensile layer, the water-absorbing layer is arranged on the surface of the tensile layer, and the two layer structures are compounded together to ensure that the absorption layer 2 has the effects of water absorption and tensile resistance, so that the water absorption of the absorption layer 2 is enhanced, and the drug layer 3 on the absorption layer 2 and the absorption layer 2 has the characteristic of tensile resistance along the surface direction; the medicine layer 3 is directly attached to the wound area and has the function of treating the wound; the air holes on the medicine layer 3 have the function that body fluid quickly enters the absorption layer 2 through the air holes, the medicine layer 3 is tightly attached to the skin of a wound, and the medicine layer 3 is attached to the wound as soon as possible and starts to act on the wound; the waterproof breathable layer 11 is made of high-elastic non-woven fabric and has a microporous structure, so that water drops can be prevented from contacting a wound from the outside through a band-aid, water vapor can perspire through micropores, meanwhile, the elastic coefficient of the waterproof breathable layer 11 is smaller than that of the stretching pressing layer 12, the overall elasticity of the fixing layer 1 is mainly influenced by the elasticity of the stretching pressing layer 12, and other layers cannot limit the stretching of the stretching pressing layer 12; the isolation paper 4 covers and adheres to the surface of the adhesive layer 13 and is used for isolating the adhesive layer 13 from the outside and ensuring the viscosity of the adhesive layer 13 during the packaging process of the band-aid.
Further optimizing the structure, as shown in fig. 2, the absorption layer 2 includes a water absorption layer 21 and a tensile layer 22, cylindrical protruding structures 221 are uniformly distributed on one side surface of the tensile layer 22, and the water absorption layer 21 and the tensile pressing layer 12 are connected to form an integral structure by the top and bottom surfaces of the cylindrical protruding structures 221. The water absorption layer 21 is made of super absorbent fiber based on acrylic acid chemical raw materials, can quickly absorb seepage of a wound surface, and simultaneously, the wound surface keeps a certain moist state due to extremely strong water locking capacity, so that the wound can be healed by being attached to the medicine layer 3; the cylindrical distribution density degree and the cylindrical diameter of the cylindrical protruding structures 221 uniformly distributed on the tensile layer 22 can control the overall elasticity of the absorption layer 2 along the radial direction of the cylinder, and preferably, the tensile structure with smaller elasticity along the surface direction of the absorption layer 2 is set, so that the tensile deformation of the absorption layer 2 and the drug layers attached to each other under the joint bending state is smaller, and the secondary tearing of wounds attached to the drug layers 3 caused by excessive deformation of the absorption layer 2 and the drug layers 3 due to tension is avoided.
In a further optimized structure, as shown in fig. 2, adjacent cylindrical protrusion structures 221 are connected in the radial direction by a connecting structure 222, and are limited by the connecting structure 222. The connection structure 222 further limits the elasticity of the absorption layer 2 in the radial direction of the cylinder, the cylinder is connected together to enable the structure of the tensile layer 22 to be more stable, when a joint wound has a deformation tendency due to bending and tension of the joint, the cylindrical protrusion structure 221 can be pulled and generates tensile force parallel to the surface direction to the medicine layer 3 on the surfaces of the adjacent water absorption layer 21 and the water absorption layer 21, so that the medicine layer 3 and the water absorption layer 221 are prevented from generating large deformation to tighten the skin of the wound, and secondary tearing to the wound is avoided.
Further optimize the structure, as shown in fig. 2, be provided with marginal bulge structure 41 on the barrier paper 4, marginal bulge structure 41 is connected and is laminated with the barrier paper 4 surface along the marginal back of buckling with the barrier paper 4 surface, and it is preferable still can buckle marginal bulge structure 41 along the former bend line to the opposite direction and paste to the one side of waterproof ventilative layer 11, makes barrier paper 4 tear more easily, reduces the probability that the mistake was torn. In the process of using the band-aid, the fixing layer 1 can be held by one hand, the edge protruding structure 41 is grabbed by the finger of the other hand, and the connected isolation paper 4 is driven to be torn away from the surface of the fixing layer 1, so that the situation that the isolation paper 4 is tightly attached to the adhesive layer 13 and is difficult to tear due to lack of an acting point due to complete attachment of the shapes of the isolation paper 4 and the adhesive layer is avoided; when the band-aid is not used, the edge protruding structures 41 are attached to the surface of the release paper 4, so that the simplicity and the easiness of the shape of the band-aid are ensured.
In a further optimized structure, as shown in fig. 2, the stretching and pressing layer 12 is provided with array blind holes 121 all over, and the opening direction of the array blind holes 121 points to the waterproof and breathable layer 11. The arrangement of the array blind holes 121 can adjust the elastic distribution of the stretching and pressing layer 12, the stretching and pressing layer can deform better along with the contraction or relaxation of skin, particularly, the band-aid is stuck to the joint position, the joint moving range can be increased, and the phenomenon that the movement of the joint is limited due to the small elasticity of the band-aid and the movement is inconvenient is avoided. The blind holes can ensure the tightness of the stretching and pressing layer 12, and prevent liquid from seeping out or external liquid from entering to pollute the wound.
In a further preferred configuration, the drug layer 3 is provided as a chitosan layer, as shown in figure 1. The chitosan layer has the effects of stopping bleeding and blood coagulation and inhibiting bacterial reproduction, provides a good environment for wound healing, and avoids the condition that the health is harmed due to a large amount of pathogenic bacteria breeding in the band-aid.
It is to be understood that the above-described embodiments of the present invention are merely examples provided for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Not all embodiments are exhaustive. All obvious changes or variations led out by the technical scheme of the utility model are still in the protection scope of the utility model.
Claims (6)
1. The stretchable band-aid is characterized by comprising a fixing layer (1), an absorbing layer (2), a medicine layer (3) and isolating paper (4), wherein the isolating paper (4), the medicine layer (3), the absorbing layer (2) and the fixing layer (1) are sequentially attached to form a composite layer structure, the fixing layer (1) comprises a waterproof and breathable layer (11), a stretching and pressing layer (12) and an adhesive layer (13), the waterproof and breathable layer (11) is fixedly laminated with the stretching and pressing layer (12), the stretching and pressing layer (12) is of an elastic structure with an elastic coefficient range of 0.01< k <0.012 (N/m), the adhesive layer (13) is annular, the adhesive layer (13) is arranged on the edge of one side surface of the stretching and pressing layer (12), the isolating paper (4) is bonded on the stretching and pressing layer (12) through the adhesive layer (13), and the elastic coefficient of the waterproof and breathable layer (11) is smaller than that of the stretching and pressing layer (12), the medicine layer (3) is provided with air holes (31).
2. The stretchable band-aid according to claim 1, wherein the absorption layer (2) comprises a water absorption layer (21) and a tensile layer (22), a cylindrical protruding structure (221) is uniformly distributed on one side surface of the tensile layer (22), and the water absorption layer (21) and the stretching and pressing layer (12) are connected into an integral structure by the top and bottom surfaces of the cylindrical protruding structure (221).
3. The stretchable band-aid according to claim 2, characterized in that adjacent cylindrical protrusion structures (221) are connected in radial direction by a connecting structure (222) and are limited from each other by the connecting structure (222).
4. The stretchable band aid according to claim 1, characterized in that the release paper (4) is provided with edge protruding structures (41), and the edge protruding structures (41) are connected with the edges of the release paper (4) and are attached to the outer surface of the release paper (4) after being bent along the edges.
5. The stretchable band-aid according to claim 1, characterized in that the stretching and pressing layer (12) is provided with an array of blind holes (121) distributed all over, and the opening direction of the array of blind holes (121) is directed to the waterproof and breathable layer (11).
6. The stretchable band aid according to claim 1, characterized in that the drug layer (3) is provided as a chitosan layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921893331.7U CN211271655U (en) | 2019-11-05 | 2019-11-05 | Stretchable band-aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921893331.7U CN211271655U (en) | 2019-11-05 | 2019-11-05 | Stretchable band-aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211271655U true CN211271655U (en) | 2020-08-18 |
Family
ID=72026092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921893331.7U Expired - Fee Related CN211271655U (en) | 2019-11-05 | 2019-11-05 | Stretchable band-aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211271655U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114767385A (en) * | 2022-05-03 | 2022-07-22 | 河南中医药大学第一附属医院 | Band-aid suitable for repeatedly bending and stretching part |
| CN115670794A (en) * | 2022-11-22 | 2023-02-03 | 安徽省德济堂药业有限公司 | High-water-absorption plaster and processing equipment thereof |
| WO2023137605A1 (en) * | 2022-01-19 | 2023-07-27 | Hercz Rehabilitation Technology Limited | Medical grade silicone gel pad with pressure technology for treatment of hypertrophic scars |
-
2019
- 2019-11-05 CN CN201921893331.7U patent/CN211271655U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023137605A1 (en) * | 2022-01-19 | 2023-07-27 | Hercz Rehabilitation Technology Limited | Medical grade silicone gel pad with pressure technology for treatment of hypertrophic scars |
| CN114767385A (en) * | 2022-05-03 | 2022-07-22 | 河南中医药大学第一附属医院 | Band-aid suitable for repeatedly bending and stretching part |
| CN115670794A (en) * | 2022-11-22 | 2023-02-03 | 安徽省德济堂药业有限公司 | High-water-absorption plaster and processing equipment thereof |
| WO2024109299A1 (en) * | 2022-11-22 | 2024-05-30 | 安徽省德济堂药业有限公司 | High-water-absorption ointment patch and processing device therefor |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200818 |
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| CF01 | Termination of patent right due to non-payment of annual fee |