CN219847081U - Medical self-adhesive hydrogel dressing - Google Patents
Medical self-adhesive hydrogel dressing Download PDFInfo
- Publication number
- CN219847081U CN219847081U CN202320160847.0U CN202320160847U CN219847081U CN 219847081 U CN219847081 U CN 219847081U CN 202320160847 U CN202320160847 U CN 202320160847U CN 219847081 U CN219847081 U CN 219847081U
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- China
- Prior art keywords
- hydrogel dressing
- hydrogel
- dressing body
- dressing
- adhesive tape
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- 239000000017 hydrogel Substances 0.000 title claims abstract description 94
- 239000000853 adhesive Substances 0.000 title claims abstract description 22
- 239000002390 adhesive tape Substances 0.000 claims abstract description 18
- 239000010410 layer Substances 0.000 claims description 27
- 239000011241 protective layer Substances 0.000 claims description 17
- 230000008719 thickening Effects 0.000 claims description 11
- 239000011505 plaster Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 abstract description 13
- 208000012661 Dyskinesia Diseases 0.000 abstract description 4
- 208000027418 Wounds and injury Diseases 0.000 description 44
- 206010052428 Wound Diseases 0.000 description 43
- 239000000463 material Substances 0.000 description 14
- 230000035876 healing Effects 0.000 description 7
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 description 6
- 229920001661 Chitosan Polymers 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 235000010413 sodium alginate Nutrition 0.000 description 6
- 229940005550 sodium alginate Drugs 0.000 description 6
- 239000000661 sodium alginate Substances 0.000 description 6
- 239000000499 gel Substances 0.000 description 5
- 238000010030 laminating Methods 0.000 description 4
- 239000002861 polymer material Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000029663 wound healing Effects 0.000 description 4
- 206010072170 Skin wound Diseases 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- JJTUDXZGHPGLLC-UHFFFAOYSA-N lactide Chemical compound CC1OC(=O)C(C)OC1=O JJTUDXZGHPGLLC-UHFFFAOYSA-N 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000028327 secretion Effects 0.000 description 2
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 2
- 241001269524 Dura Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 210000001951 dura mater Anatomy 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002439 hemostatic effect Effects 0.000 description 1
- 230000002757 inflammatory effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 210000000629 knee joint Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000001766 physiological effect Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
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- Materials For Medical Uses (AREA)
Abstract
The utility model discloses a medical self-adhesive hydrogel dressing, which comprises a hydrogel dressing body, wherein the hydrogel dressing body is formed by combining a waterproof layer film, a thickened dressing core and a hydrogel wound contact layer, the waterproof layer film is positioned at the bottommost layer of the hydrogel dressing body, an outer adhesive tape is arranged on the end surface of the top of the waterproof layer film in an adhesive manner, an inner adhesive tape is arranged in the middle of the top end of the outer adhesive tape, a plurality of groups of strip-shaped adhesive tapes are arranged on two sides of the outer adhesive tape, and the strip-shaped adhesive tapes are uniformly distributed along the longitudinal direction of the outer adhesive tape. The utility model has simple structure, prevents the hydrogel dressing body from generating certain folds when being attached due to the soft texture of the hydrogel dressing body when being used at a special position, so that the wound can not be covered completely, and can prevent the hydrogel dressing body from falling off due to friction or abnormal movement to the greatest extent.
Description
Technical Field
The utility model relates to the technical field of hydrogel dressing, in particular to a medical self-adhesive hydrogel dressing.
Background
The skin has specific tolerance limits, chemical stability and physiological activity. When the skin is subjected to external physical stimuli exceeding its self-tolerance limit, a physical skin wound is formed. When the skin is subjected to strong chemical stimulus from the external environment, chemical skin wounds are formed. In the healing of both physical and chemical skin wounds, four phases, namely a hemostatic phase, an inflammatory reactor, a proliferation phase and a tissue reconstruction phase, are required.
It is well known that the healing of wounds is a very complex and delicate process, and the shortness and absence of either link can disrupt the normal procedure of wound healing and thus affect the normal healing of wounds. Thus, an important issue in the whole human history of how to regulate and accelerate wound healing, wet healing theory is one of the most scientific healing theories accepted since the 20 th century, through a great deal of practical exploration for thousands of years. Wet healing theory refers to the effect of accelerating wound healing by constructing an environment that is conducive to wound healing, such as proper temperature, humidity and PH, reduced active oxygen content, and the like.
The hydrogel dressing is the most commonly used type at present, is a hydrophilic polyurethane polymer with high water content, automatically adjusts the wettability of wounds, has the capability of absorbing a small amount of seepage, is not sticky to the wounds, and is easy to remove.
However, the existing hydrogel dressing is poor in fixation in the using process, so that the dressing cannot be fully contacted with a wound, a large amount of seepage liquid is remained in a space formed by the dressing on the wound, the wound is easy to be infected and is unfavorable for healing, and the medical self-adhesive hydrogel dressing is provided based on the above-mentioned document.
Disclosure of Invention
The utility model aims to provide a medical self-adhesive hydrogel dressing, which has a simple structure, can prevent the hydrogel dressing body from generating certain folds when being adhered due to the fact that the hydrogel dressing body is soft when being used at a special position, can not completely cover a wound, and can prevent the situation that the hydrogel dressing body falls off due to friction or abnormal movement to the greatest extent.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a medical self-adhesive hydrogel dressing, includes the hydrogel dressing body, the hydrogel dressing body is formed by waterproof layer film, thickening applied core and hydrogel wound contact layer composition, and wherein the hydrogel wound contact layer comprises materials such as bioabsorbable polymer material, chitosan, sodium alginate, waterproof layer film is located the bottom of hydrogel dressing body, waterproof layer film top terminal surface pastes and lays the subsides outward, the top middle part of pasting outward is provided with interior subsides, the multiunit strip adhesive tape has all been seted up to the both sides of pasting outward, strip adhesive tape is along pasting longitudinal evenly distributed outward, through multiunit strip adhesive tape for the hydrogel dressing body can carry out better laminating when laminating the wound department of special position, prevents that the drop of hydrogel auxiliary material body, the thickening applied core is pasted on the subsides.
By adopting the technical scheme, the hydrogel dressing body is simple in structure, and when the hydrogel dressing is used at a special position, the situation that the hydrogel dressing body falls off due to friction or abnormal movement can occur to the greatest extent.
The utility model is further provided with:
the hydrogel dressing is characterized in that a protective layer is arranged on the top end face of the hydrogel dressing body, release paper is adopted for the protective layer, the protective layer is adhered to the outer edge of the hydrogel dressing body, so that external bacteria cannot invade, a hard film is arranged between the protective layer and the thickened dressing core, and a semicircular ring is arranged at one end of the hard film and used for prompting the protective layer and the extraction direction of the hard film.
By adopting the technical scheme, when the wound dressing is applied, certain supporting performance is provided through the dura mater, so that the hydrogel dressing body is perfectly attached to the wound, and the hydrogel dressing body is prevented from being physically softer when attached to the wound, so that certain folds are generated on the hydrogel dressing body when attached, and the wound cannot be completely covered.
The utility model is further provided with:
the waterproof layer film is characterized in that the outer walls of the two sides of the outer paste are fixedly provided with sticky pieces, the sticky pieces are formed by combining first sticky pieces and second sticky pieces which are arranged in a cross shape, scores are formed on the first sticky pieces and the second sticky pieces, the sticky pieces are convenient to fold, grooves are formed in the bottom ends of waterproof layer films at the bottommost ends of the hydrogel dressing body, and the sticky pieces are used for placing the folding sticky pieces in the grooves, so that the hydrogel dressing body is convenient to carry.
By adopting the technical scheme, in the use process, the hydrogel dressing body can be reinforced through the setting of the sticking piece, so that the situation that the hydrogel dressing body falls off in the stage that the wound is about to recover but the wound is not recovered is prevented, or the wound is gradually recovered, at this time, the wound is not stuck due to the characteristics of the hydrogel dressing body, and the hydrogel dressing body is easy to remove.
The utility model is further provided with:
the inner plaster is characterized in that a thickening dressing core is fixedly arranged on the upper side of the inner plaster, and a hydrogel wound contact layer is arranged on the upper side of the thickening dressing core.
By adopting the technical scheme, absorbed secretion is locked through the hydrogel wound contact layer, and a continuous moist environment is provided.
As an embodiment of the utility model, the gel material of the hydrogel dressing is composed of bioabsorbable polymer materials, chitosan, sodium alginate and other materials; wherein the high molecular material is a copolymer of lactide and caprolactone, and is characterized in that the molecular weight is 500-5000g/mol; wherein the content of sodium alginate is 20-30%, and the content of chitosan is 10-50%; so that the viscosity and elasticity of the gel material can be adjusted, and the viscoelasticity can be adjusted according to the optimized growth conditions of different cells.
In summary, the beneficial technical effects of the utility model are as follows:
1. the utility model has simple structure, prevents the hydrogel dressing body from generating certain folds when being attached due to the soft texture of the hydrogel dressing body when being used at a special position, so that the wound can not be covered completely, and can prevent the hydrogel dressing body from falling off due to friction or abnormal movement to the greatest extent.
2. In the using process, the hydrogel dressing body can be reinforced through the arrangement of the adhesive piece, so that the situation that the hydrogel dressing body falls off when the wound is in a stage of about to recover but the wound is not recovered due to the fact that the wound is not adhered to the characteristics of the hydrogel dressing body and is easy to remove in the using process or when the wound is gradually recovered is prevented.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;
FIG. 2 is a schematic diagram of the internal structure of an embodiment of the present utility model;
FIG. 3 is an enlarged schematic view of the A position of the present utility model;
fig. 4 is a schematic view of a part of the structure of an embodiment of the present utility model.
In the figure: 1. a hydrogel dressing body; 2. a groove; 3. an adhesive member; 031. a first adhesive member; 033. a second adhesive member; 5. external sticking; 6. a waterproof layer film; 7. a strip-shaped adhesive tape; 8. reinforcing edges; 9. internal sticking; 10. thickening the dressing core; 11. a hydrogel wound contact layer; 12. ventilation holes; 13. a hard film; 14. and (3) a protective layer.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a medical self-adhesive hydrogel dressing, includes hydrogel dressing body 1, hydrogel dressing body 2 is formed by waterproof layer film 6, thickening core 10 and hydrogel wound contact layer 11 combination, and wherein hydrogel wound contact layer 11 comprises materials such as bioabsorbable polymer material, chitosan, sodium alginate, waterproof layer film 6 is located hydrogel dressing body 1's bottommost, waterproof layer film 6 top terminal surface is pasted and is provided with outer subsides 5, outer subsides 5 top middle part is provided with interior subsides 9, multiunit bar adhesive tape 7 have all been seted up to outer subsides 5's both sides, bar adhesive tape 7 is along the vertical evenly distributed of outer subsides 5, through multiunit bar adhesive tape 7 for hydrogel dressing body can carry out better laminating when laminating the wound department of special position, prevents the drop of hydrogel auxiliary material body, thickening core 10 is pasted on interior subsides 9.
Referring to fig. 1-4, in order to enhance the firmness of the hydrogel dressing body, the outer walls at two sides of the outer patch 5 are fixedly provided with adhesive pieces 3, the adhesive pieces 3 are formed by combining a first adhesive piece 031 and a second adhesive piece 033 which are arranged in a cross shape, the first adhesive piece 031 and the second adhesive piece 033 are provided with scores, the adhesive pieces are convenient to fold, the bottom end of a waterproof layer film 6 positioned at the bottommost end of the hydrogel dressing body 1 is provided with a groove 2, and the groove is internally used for accommodating the folded adhesive pieces 3, so that the hydrogel dressing body is convenient to carry.
In this embodiment, through the setting of pasting the piece, can consolidate the hydrogel dressing body, prevent in the use or when the wound resumes gradually, because the characteristic of hydrogel dressing body itself is not sticky wound this moment, get rid of easily, leads to the hydrogel dressing body in the wound be in but the wound not yet resume the stage of recovering, take place the condition emergence that drops.
Referring to fig. 1-4, in order to avoid certain wrinkles generated when the hydrogel dressing body is attached, a protective layer 14 is provided on the top end surface of the hydrogel dressing body 1, the protective layer 14 is made of release paper, the protective layer 14 is adhered to the edge of the outer surface of the hydrogel dressing body 1, so that external bacteria cannot invade, a hard film 13 is provided between the protective layer 14 and the thickened dressing core 10, one end of the hard film 13 is provided with a semicircle ring for prompting the direction of the protective layer and the hard film 13 to draw out.
Referring to fig. 1-4, a thickened dressing 10 is fixedly arranged on the upper side of the inner patch 9, a hydrogel wound contact layer 11 is arranged on the upper side of the thickened dressing 10, and absorbed secretion is locked through the hydrogel wound contact layer 11, so that a continuous moist environment is provided.
As an embodiment of the utility model, the gel material of the hydrogel dressing is composed of bioabsorbable polymer materials, chitosan, sodium alginate and other materials; wherein the high molecular material is a copolymer of lactide and caprolactone, and is characterized in that the molecular weight is 500-5000g/mol; wherein the content of sodium alginate is 20-30%, and the content of chitosan is 10-50%; so that the viscosity and elasticity of the gel material can be adjusted, and the viscoelasticity can be adjusted according to the optimized growth conditions of different cells.
The application flow and the working principle of the utility model are as follows:
when the hydrogel dressing is used, firstly, the hydrogel dressing body 1 is placed at a wound, then the protective layer 14 is torn off, when the hydrogel auxiliary material body is completely stuck to the wound, the dura 13 is extracted, at the moment, the hydrogel dressing body 1 is flatly stuck to the wound, then the hydrogel dressing body is gently pressed and smoothed, at the moment, the polymer gel in the hydrogel wound contact layer 11 can be directly stuck to the skin of a wounded through the self viscosity,
the outer piece that is back shape setting at this moment is applied to on wound outlying skin completely to owing to there is certain distance between outer piece and the wound, consequently when getting rid of, can not take place secondary injury to the wound, then paste the first piece of pasting of piece 3 and the firm subsides of second piece to skin, owing to first piece of pasting and second piece of pasting are the same with the material of band-aid, and do not have the condition that is difficult to get rid of, if at some more special positions, for example wrist, knee joint department, can produce certain natural deformation to reduce tension to the bar adhesive tape that is bar form setting this moment, make outer piece can laminate to wounded skin completely, prevent that hydrogel dressing body from taking place to drop.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a medical self-adhesive hydrogel dressing, includes the hydrogel dressing body, the hydrogel dressing body is formed by waterproof layer film, thickening core and hydrogel wound contact layer composition, its characterized in that: the waterproof layer film is located the bottom layer of hydrogel dressing body, waterproof layer film top terminal surface pastes lays and has put outer subsides, outer subsides top middle part is provided with interior subsides, the multiunit strip adhesive tape has all been seted up to the both sides of outer subsides, strip adhesive tape is along outer subsides longitudinal evenly distributed, through multiunit strip adhesive tape, the thickening is applied on the core subsides including applying.
2. The medical self-adhering hydrogel dressing of claim 1, wherein: the hydrogel dressing body top terminal surface is provided with the protective layer, the protective layer adopts from the type paper, and this protective layer bonds in the edge of hydrogel dressing body external subsides.
3. The medical self-adhering hydrogel dressing of claim 2, wherein: and a hard film is arranged between the protective layer and the thickened dressing core, and one end of the hard film is provided with a semicircular ring for prompting the direction of the protective layer and the hard film to be pulled away.
4. The medical self-adhering hydrogel dressing of claim 1, wherein: the outer wall of the two sides of the outer paste is fixedly provided with a paste piece, and the paste piece is formed by combining a first paste piece and a second paste piece which are arranged in a cross shape.
5. The medical self-adhering hydrogel dressing of claim 1, wherein: the waterproof layer film bottom that is located hydrogel dressing body bottom has offered flutedly, is used for placing folding piece of pasting in the recess.
6. The medical self-adhering hydrogel dressing of claim 1, wherein: the inner plaster is characterized in that a thickening dressing core is fixedly arranged on the upper side of the inner plaster, and a hydrogel wound contact layer is arranged on the upper side of the thickening dressing core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320160847.0U CN219847081U (en) | 2023-02-01 | 2023-02-01 | Medical self-adhesive hydrogel dressing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320160847.0U CN219847081U (en) | 2023-02-01 | 2023-02-01 | Medical self-adhesive hydrogel dressing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219847081U true CN219847081U (en) | 2023-10-20 |
Family
ID=88348721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320160847.0U Active CN219847081U (en) | 2023-02-01 | 2023-02-01 | Medical self-adhesive hydrogel dressing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219847081U (en) |
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2023
- 2023-02-01 CN CN202320160847.0U patent/CN219847081U/en active Active
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