CN114767385B - Band-aid suitable for repeatedly bending and stretching part - Google Patents
Band-aid suitable for repeatedly bending and stretching part Download PDFInfo
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- CN114767385B CN114767385B CN202210477207.2A CN202210477207A CN114767385B CN 114767385 B CN114767385 B CN 114767385B CN 202210477207 A CN202210477207 A CN 202210477207A CN 114767385 B CN114767385 B CN 114767385B
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- elastic body
- elastic
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- epsilon
- elastomer
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/02—Adhesive plasters or dressings
- A61F13/0259—Adhesive plasters or dressings characterised by the release liner covering the skin adhering layer
- A61F13/0263—Adhesive plasters or dressings characterised by the release liner covering the skin adhering layer especially adapted for island dressings
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/00051—Accessories for dressings
- A61F13/00063—Accessories for dressings comprising medicaments or additives, e.g. odor control, PH control, debriding, antimicrobic
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F2013/00361—Plasters
- A61F2013/00544—Plasters form or structure
- A61F2013/00582—Properties of backing
- A61F2013/006—Elastic modulus
Abstract
A band-aid suitable for repeatedly bending and stretching part comprises a composite structure formed by bonding a fixing layer and an absorbent cotton layer, wherein the absorbent cotton layer is bonded on the fixing layer,the fixing layer is formed by weaving a first elastic body, a second elastic body and a third elastic body together, and the elastic relation of the first elastic body, the second elastic body and the third elastic body is as follows: epsilon 1 ＜ε 2 ＜ε 3 ，1.2≤ε 2 /ε 1 ≤2，1.5≤ε 3 /ε 2 ，R 1 ＜R 2 ＜R 3 (ii) a The radial elastic relationship is: epsilon X1 ＜ε X2 ＜ε X3 ，1.2≤ε X2 /ε X1 ≤2，1.5≤ε X3 /ε X2 ，R X1 ＜R X2 ＜R X3 (ii) a The medical dressing has the advantages of scientific and reasonable design, small application area, good cohesiveness, small skin irritation, good comfort and low production cost, the resultant force of the tensile forces in all directions after the fixing layer is pulled points to the wound direction, the medical cotton layer is tightly adhered to the surface of the wound by compressing the medical cotton layer, pressure is generated on the wound, the effects of stopping bleeding and absorbing exudates are achieved, the activity is not influenced, and remarkable social and economic benefits are achieved.
Description
Technical Field
The invention relates to a band-aid, in particular to a band-aid suitable for repeatedly bending and stretching parts.
Background
The band-aid is a household emergency article, is convenient to store, carry and use, and has low price. As an emergency article, the band-aid is helpful for stopping bleeding, protecting wounds, preventing wound infection, facilitating the growth of wound cells and accelerating the healing of the wounds. The existing band-aid is generally designed integrally, the body of the adhesive tape has certain elasticity, and when the existing band-aid is used for parts (such as arms and back) with small movement of wound parts, the existing band-aid has a good pasting effect. However, due to structural defects, when the wound is located at a part with a relatively high bending frequency, such as a knee joint and an elbow joint, the bending sensitivity of the joint is affected and the bending movement of the joint is blocked by sticking the traditional band-aid, and meanwhile, the band-aid is easy to fall off due to the movement of the joint. In order to solve the above problems, in the prior art, the band-aid for joints generally wraps the joints completely by increasing the main body of the band-aid, or a certain binding band is designed to bind the band-aid to the joints, so that the band-aid does not fall off, but further affects the movement of the joints, increases the contact surface of the skin, increases the stimulation surface of the skin, reduces the comfort, and increases the production cost of the band-aid. Therefore, how to provide a band-aid suitable for a portion with a relatively high bending frequency is a technical problem to be solved urgently.
Disclosure of Invention
In view of the above situation, in order to overcome the defects of the prior art, the present invention aims to provide a band-aid suitable for repeatedly flexing and extending parts, which can effectively solve the problems of large application area, limited activity, large skin irritation and poor comfort of the existing band-aid for parts with high bending frequency.
In order to achieve the purpose, the technical scheme of the invention is that the band-aid suitable for the repeatedly bending and stretching part is characterized in that a fixing layer and a cotton wool layer are mutually attached to form a composite structure, the cotton wool layer is attached to the fixing layer, the fixing layer is formed by weaving a first elastic body, a second elastic body and a third elastic body together through a net, the second elastic body surrounds the first elastic body and is woven together through the elastic net, the third elastic body surrounds the second elastic body and is woven together through the elastic net, the first elastic body, the second elastic body and the third elastic body are positioned on the same plane, and the cotton wool layer is arranged in the middle of the first elastic body; the elastic relation of the first elastic body, the second elastic body and the third elastic body is as follows:
ε 1 ＜ε 2 ＜ε 3 ，
1.2≤ε 2 /ε 1 ≤2，
1.5≤ε 3 /ε 2 ，
R 1 ＜R 2 ＜R 3 ；
wherein epsilon 1 Is the elastic elongation, R, of the first elastomer 1 Is the elastic recovery of the first elastomer,. Epsilon 2 Is the elastic elongation, R, of the second elastomer 2 Is the elastic recovery of the second elastomer,. Epsilon 3 Is the elastic elongation, R, of the third elastomer 3 The elastic recovery rate of the third elastomer;
the radial elastic relationship of the first elastic body, the second elastic body and the third elastic body is as follows:
ε X1 ＜ε X2 ＜ε X3 ，
1.2≤ε X2 /ε X1 ≤2，
1.5≤ε X3 /ε X2 ，
R X1 ＜R X2 ＜R X3 ；
wherein, the radial direction X of the first elastic body, the radial direction of the second elastic body and the radial direction X of the third elastic body are along the length direction of the band-aid, and the radial elastic elongation of the first elastic body is epsilon X1 The radial elastic recovery rate of the first elastic body is R X1 The second elastomer having a radial elastic elongation of epsilon X2 The second elastomer has a radial elastic recovery rate of R X2 The third elastomer has a radial elastic elongation of ε X3 The radial elastic recovery rate of the third elastomer is R X3 ；
The weft elastic relationship among the first elastic body, the second elastic body and the third elastic body is as follows:
ε Y1 ＜ε Y2 ＜ε Y3 ，R Y1 ＜R Y2 ＜R Y3 ；
wherein the latitudinal direction of the first elastomer, the latitudinal direction of the second elastomer and the latitudinal direction Y of the third elastomer are along the width direction of the band-aid, and epsilon Y1 Is the elastic elongation in the weft direction, R, of the first elastomer Y1 Is the elastic recovery in the weft direction of the first elastomer,. Epsilon Y2 Is the elastic elongation in the weft direction, R, of the second elastomer Y2 Is the elastic recovery in the weft direction of the second elastomer,. Epsilon Y3 Is the elastic elongation in the weft direction, R, of the third elastomer Y3 The weft elastic recovery rate of the third elastic body.
Furthermore, the elastic relation of the first elastic body, the second elastic body and the third elastic body is more than or equal to 1.5 and less than or equal to epsilon 2 /ε 1 ≤1.8，1.5≤ε 3 /ε 2 ≤2。
The radial elastic relation of the first elastic body, the second elastic body and the third elastic body is more than or equal to 1.5 and less than or equal to epsilon X2 /ε X1 ≤1.8，1.5≤ε X3 /ε X2 ≤2。
The first elastic body, the second elastic body and the third elastic body are elastic layers made of high-elasticity PE cloth or elastic cloth.
The invention has simple structure, scientific and reasonable design, small application area, good cohesiveness, small stimulation to skin, good comfort and low production cost, the resultant force of the tensile force in each direction after the fixed layer is pulled points to the wound direction, and the medicinal cotton layer is pressed tightly to cling to the wound surface to generate pressure on the wound, thereby achieving the effects of stopping bleeding and absorbing exudates without influencing activities and having remarkable social and economic benefits.
Drawings
FIG. 1 is a schematic view of the present invention.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings and examples.
Example 1
The adhesive bandage suitable for repeatedly bending and stretching parts has the elastic relation of a first elastic body 1, a second elastic body 2 and a third elastic body 3: epsilon 2 /ε 1 ＝1.2，ε 3 /ε 2 =1.5，R 1 ＜R 2 ＜R 3 (ii) a The first elastic body 1, the second elastic body 2 and the third elastic body 3 are all made of high-elastic PE cloth.
Example 2
The adhesive bandage suitable for repeatedly bending and stretching parts has the elastic relation of a first elastic body 1, a second elastic body 2 and a third elastic body 3: epsilon 2 /ε 1 ＝2，ε 3 /ε 2 =2，R 1 ＜R 2 ＜R 3 (ii) a The first elastic body 1, the second elastic body 2 and the third elastic body 3 are all made of high-elastic PE cloth.
Example 3
The adhesive bandage suitable for repeatedly bending and stretching parts has the elastic relation of a first elastic body 1, a second elastic body 2 and a third elastic body 3: epsilon 2 /ε 1 ＝1.5，ε 3 /ε 2 =1.8，R 1 ＜R 2 ＜R 3 (ii) a The first elastic body 1, the second elastic body 2 and the third elastic body 3 are all made of elastic cloth.
Example 4
The adhesive bandage suitable for repeatedly bending and stretching parts has the elastic relation of a first elastic body 1, a second elastic body 2 and a third elastic body 3: epsilon X2 /ε X1 ＝1.8，ε X3 /ε X2 =1.6，R X1 ＜R X2 ＜R X3 ，ε Y1 ＜ε Y2 ＜ε Y3 ，R Y1 ＜R Y2 ＜R Y3 (ii) a The first elastic body 1 and the second elastic body 2 are made of high-elasticity PE cloth, and the third elastic body 3 is made of elastic cloth.
Example 5
The adhesive bandage suitable for repeatedly bending and stretching parts has the elastic relation of a first elastic body 1, a second elastic body 2 and a third elastic body 3: epsilon X2 /ε X1 ＝1.8，ε X3 /ε X2 =1.7，R X1 ＜R X2 ＜R X3 ，ε Y1 ＜ε Y2 ＜ε Y3 ，R Y1 ＜R Y2 ＜R Y3 (ii) a The first elastic body 1 is made of elastic cloth, the second elastic body 2 is made of high-elasticity PE cloth, and the third elastic body 3 is made of elastic cloth.
In practical research, the invention finds that if the fixing layer is made of a single elastic body with small elasticity, the fixing layer can limit the relaxation of skin when the joint is bent, so that the movement of the joint is influenced, and the comfortable sensation is reduced; if a single elastic body with large elasticity is adopted, when the joint is bent, the pressing force generated by the fixing layer is too large, the wound can be extruded, secondary bleeding or liquid seepage of the wound can be caused, the wound healing is not facilitated, and secondary infection can be caused. Therefore, the problem of comfort and comfort reduction of a single elastic body with small elasticity is solved by splicing different elastic bodies, and the technical problem of secondary infection caused by overlarge pressing force generated by the single elastic body with large elasticity is also solved.
The elasticity of the first elastic body 1, the second elastic body 2 and the third elastic body 3 is increased in a gradient manner, the technical problem of local skin discomfort caused by directly splicing the elastic body with high elasticity and the elastic body with low elasticity is also avoided, and the second elastic body 2 is used for transition from the first elastic body 1 to the third elastic body 3, so that the wound is protected more favorably; meanwhile, due to the splicing of different elastic forces, when the joint is bent, the elastic body with large elastic force can extend in a large range along with the joint, so that the joint movement is facilitated, the elastic body with small elastic force deforms less to limit the stretching of skin around the wound, so that the deformation of the wound is smaller, the cracking of the wound can be effectively relieved, and when the joint is in a straightening state, the fixing layer applies the absorbent cotton layer on the wound; danguan (in the open)When the joint is in a bending state, the skin at the joint is stretched towards the periphery, the fixing layer tends to stretch outwards along with the adhered skin, the fixing layer is supported by the medicinal cotton layer, the resultant force of the tensile force in each direction after the fixing layer is stretched points to the wound direction, and the medicinal cotton layer is compressed to enable the medicinal cotton layer to compress the wound to generate pressure on the wound, so that bleeding is stopped, and exudate is absorbed. Adopt the concatenation of three kinds of different elasticity elastomers, the deformation of fixed layer more can effectively be alleviated to first elastomer 1 and second elastomer 2, and then better protection wound prevents the fracture. Thus, passing through ∈ 1 ＜ε 2 ＜ε 3 ，1.2≤ε 2 /ε 1 ≤2，1.5≤ε 3 /ε 2 ，R 1 ＜R 2 ＜R 3 The elasticity of the three elastomers is controlled, so that the technical effects of good adhesion, convenience in joint movement and small skin irritation are achieved.
When the joint moves, the band-aid mainly deforms greatly along the radial direction, deforms less along the latitudinal direction, so that the cost is further saved, the wound is protected, and the fixing layer of the band-aid can be woven by elastic thread bodies with different elasticity along the radial direction and the latitudinal direction. The first elastomer radial elasticity, the second elastomer radial elasticity and the third elastomer radial elasticity satisfy:
ε X1 ＜ε X2 ＜ε X3 ，
1.2≤ε X2 /ε X1 not more than 2, further, not less than 1.5. Epsilon X2 /ε X1 ≤1.8，
1.5≤ε X3 /ε X2 Further, 1.5. Ltoreq. Epsilon X3 /ε X2 ≤2，
R X1 ＜R X2 ＜R X3 ；
And the less latitudinal direction of activity, first elastomer latitudinal direction elasticity, second elastomer latitudinal direction elasticity and third elastomer latitudinal direction elasticity satisfy: epsilon Y1 ＜ε Y2 ＜ε Y3 ，R Y1 ＜R Y2 ＜R Y3 。
The invention has not described here one by one except that has done the same experiment of the bending movement of the joint to examples 1-5, have also done the experiment of other examples repeatedly, have all got the same or similar result, in the bending movement of joint, the invention woundplast cohesiveness is good, it is small to the skin irritation, the comfortableness is good, the fixed layer is pulled the resultant force of all directions pulling force points to the wound direction, compress the cotton layer of medicine and make the cotton layer of medicine paste the wound surface closely, produce the pressure to the wound, reach the effects of hemostasis and absorption exudate, and will not influence the activity, the design is scientific and reasonable, it is small to apply the area, the production cost is low, there are apparent social and economic benefits.
Claims (4)
1. The band-aid suitable for repeatedly bending and stretching parts is characterized in that a fixing layer and a medicinal cotton layer (4) are mutually attached to form a composite structure, the medicinal cotton layer (4) is attached to the fixing layer, the fixing layer is formed by weaving a first elastic body (1), a second elastic body (2) and a third elastic body (3) together in a net mode, the second elastic body (2) surrounds the first elastic body (1) and is woven together through an elastic net, the third elastic body (3) surrounds the second elastic body (2) and is woven together through the elastic net, the first elastic body (1), the second elastic body (2) and the third elastic body (3) are located on the same plane, and the medicinal cotton layer (4) is arranged in the middle of the first elastic body (1); the elastic relationship among the first elastic body (1), the second elastic body (2) and the third elastic body (3) is as follows:
ε 1 ＜ε 2 ＜ε 3 ，
1.2≤ε 2 /ε 1 ≤2，
1.5≤ε 3 /ε 2 ，
R 1 ＜R 2 ＜R 3 ；
wherein epsilon 1 The elastic elongation R of the first elastomer (1) 1 Is the elastic recovery of the first elastomer (1) ∈ 2 Is the elastic elongation, R, of the second elastomer (2) 2 Is the elastic recovery of the second elastomer (2) ∈ 3 The elastic elongation R of the third elastomer (3) 3 The elastic recovery rate of the third elastic body (3);
the radial elastic relation of the first elastic body (1), the second elastic body (2) and the third elastic body (3) is as follows:
ε X1 ＜ε X2 ＜ε X3 ，
1.2≤ε X2 /ε X1 ≤2，
1.5≤ε X3 /ε X2 ，
R X1 ＜R X2 ＜R X3 ；
wherein the radial direction of the first elastic body (1), the radial direction of the second elastic body (2) and the radial direction X of the third elastic body (3) are along the length direction of the band-aid, and the radial elastic elongation of the first elastic body (1) is epsilon X1 The first elastic body (1) has a radial elastic recovery rate of R X1 The second elastic body (2) has a radial elastic elongation of ∈ X2 The second elastic body (2) has a radial elastic recovery rate of R X2 The third elastomer (3) has a radial elastic elongation of ∈ X3 The third elastic body (3) has a radial elastic recovery rate of R X3 ；
The weft elastic relation among the first elastic body (1), the second elastic body (2) and the third elastic body (3) is as follows:
ε Y1 ＜ε Y2 ＜ε Y3 ，R Y1 ＜R Y2 ＜R Y3 ；
wherein the latitudinal direction of the first elastic body (1), the latitudinal direction of the second elastic body (2) and the latitudinal direction Y of the third elastic body (3) are along the width direction of the band-aid, and epsilon Y1 The elastic elongation in the weft direction, R, of the first elastic body (1) Y1 Is the weft elastic recovery rate of the first elastic body (1), epsilon Y2 The weft elastic elongation, R, of the second elastic body (2) Y2 Is the weft elastic recovery rate of the second elastic body (2), epsilon Y3 The weft elastic elongation R of the third elastic body (3) Y3 The weft elastic recovery rate of the third elastic body (3).
2. The adhesive bandage for repeated flexion and extension as claimed in claim 1, wherein said first (1), second (2) and third (3) elastic bodies are elasticThe relationship is that epsilon is more than or equal to 1.5 2 /ε 1 ≤1.8，1.5≤ε 3 /ε 2 ≤2。
3. The adhesive bandage for repeated flexing and extending of claim 1, wherein the radial elastic relationship among the first elastic body (1), the second elastic body (2) and the third elastic body (3) is 1.5 ≤ epsilon X2 /ε X1 ≤1.8，1.5≤ε X3 /ε X2 ≤2。
4. The adhesive bandage for repeated flexion and extension positions according to claim 1, wherein the first elastic body (1), the second elastic body (2) and the third elastic body (3) are elastic layers made of high-elasticity PE cloth or elastic cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210477207.2A CN114767385B (en) | 2022-05-03 | 2022-05-03 | Band-aid suitable for repeatedly bending and stretching part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210477207.2A CN114767385B (en) | 2022-05-03 | 2022-05-03 | Band-aid suitable for repeatedly bending and stretching part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114767385A CN114767385A (en) | 2022-07-22 |
| CN114767385B true CN114767385B (en) | 2022-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210477207.2A Active CN114767385B (en) | 2022-05-03 | 2022-05-03 | Band-aid suitable for repeatedly bending and stretching part |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU743668B2 (en) * | 1996-01-24 | 2002-01-31 | Mcneil-Ppc, Inc. | Backing web in an absorbent article |
| DE102008052860B4 (en) * | 2008-10-23 | 2011-01-05 | Otto Bock Healthcare Gmbh | joint bandage |
| US20210244572A1 (en) * | 2013-07-19 | 2021-08-12 | Presscise Ab | Elastic bandage or hosiery, and textile material for use in such an elastic bandage or hosiery |
| CN211271655U (en) * | 2019-11-05 | 2020-08-18 | 浙江大学医学院附属第一医院 | Stretchable band-aid |
| CN113730642B (en) * | 2021-08-20 | 2022-05-31 | 东华大学 | Gradient elastic deformation differential drug release composite dressing and preparation method thereof |
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