CN220193340U - Medical silica gel adhesive tape - Google Patents
Medical silica gel adhesive tape Download PDFInfo
- Publication number
- CN220193340U CN220193340U CN202321515432.7U CN202321515432U CN220193340U CN 220193340 U CN220193340 U CN 220193340U CN 202321515432 U CN202321515432 U CN 202321515432U CN 220193340 U CN220193340 U CN 220193340U
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- China
- Prior art keywords
- layer
- adhesive
- adhesive layer
- silicone gel
- silica gel
- 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.)
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 239000000741 silica gel Substances 0.000 title claims abstract description 38
- 229910002027 silica gel Inorganic materials 0.000 title claims abstract description 38
- 239000002390 adhesive tape Substances 0.000 title claims description 17
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 28
- 230000000694 effects Effects 0.000 claims abstract description 10
- 239000010410 layer Substances 0.000 claims description 134
- 239000012790 adhesive layer Substances 0.000 claims description 76
- 239000000499 gel Substances 0.000 claims description 35
- 229920001296 polysiloxane Polymers 0.000 claims description 19
- 239000011241 protective layer Substances 0.000 claims description 17
- 238000009423 ventilation Methods 0.000 claims description 17
- 229920002529 medical grade silicone Polymers 0.000 claims description 16
- 239000004814 polyurethane Substances 0.000 claims description 9
- 239000003522 acrylic cement Substances 0.000 claims description 6
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 238000004026 adhesive bonding Methods 0.000 abstract description 13
- 230000035699 permeability Effects 0.000 abstract description 11
- 239000003795 chemical substances by application Substances 0.000 abstract description 4
- 210000004243 sweat Anatomy 0.000 abstract description 3
- 239000010409 thin film Substances 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 208000035143 Bacterial infection Diseases 0.000 description 1
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 1
- 206010070834 Sensitisation Diseases 0.000 description 1
- 206010070835 Skin sensitisation Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 208000022362 bacterial infectious disease Diseases 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 238000009957 hemming Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000344 non-irritating Toxicity 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000037307 sensitive skin Effects 0.000 description 1
- 230000008313 sensitization Effects 0.000 description 1
- 231100000370 skin sensitisation Toxicity 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Landscapes
- Materials For Medical Uses (AREA)
Abstract
The utility model provides a medical silica gel tape, includes thin film layer and gluing layer, gluing layer includes first gluing agent layer, TPU layer, non-woven fabrics layer and silica gel layer, the non-woven fabrics layer can improve the intensity of this medical silica gel tape, avoids its turn-up, still runs through on this gluing layer simultaneously and is equipped with the bleeder vent, can guarantee to strike through moisture and air permeability, reduces to apply the position and sweat to avoid influencing the result of use of this medical silica gel tape, and because the thin film layer sets up one side of gluing layer can cover the protection gluing layer, in order to play the water-proof effects, thereby improve the waterproof nature of this medical silica gel tape.
Description
Technical Field
The utility model relates to the technical field of medical supplies, in particular to a medical silica gel adhesive tape.
Background
The silica gel is a high-activity adsorption material, belongs to amorphous substances, is nontoxic, odorless and non-irritating, is insoluble in water and any solvent, and has stable chemical properties. The silica gel reaching medical grade is an important component of the current medical care products, has excellent air permeability and biocompatibility, creates an optimal healing environment for wound surfaces, and can avoid being influenced by external factors such as bacteria, moisture and the like.
The silica gel medical adhesive tape has mild viscosity, painless stripping and repeated sticking, is especially suitable for fragile and sensitive skin, is ideal dressing and can be used for fixing catheters and other medical equipment, and is suitable for the scene of the medical adhesive tape. In particular to medical adhesive tapes of Polyurethane (PU) films, which have excellent performances of wear resistance, aging resistance, moisture permeability, water resistance, comfort and the like.
At present, polyurethane (PU) silica gel adhesive tapes on the market are mostly divided into two types, one type is without non-woven fabrics, and the Polyurethane (PU) silica gel adhesive tape has the characteristics of soft clothing, perforation, water resistance and moisture permeability, and has the defects of insufficient strength and curling when in improper use. The other is a non-woven fabric, which has the characteristics of good strength, no curling deformation and no perforation, so that the non-woven fabric is impermeable to moisture.
Disclosure of Invention
The utility model provides a medical silica gel adhesive tape which can perfectly meet the requirements of water resistance, moisture permeability and difficult hemming.
The utility model provides a medical silica gel adhesive tape, which comprises the following components:
the adhesive layer comprises a first adhesive layer, a TPU layer, a non-woven fabric layer and a silicone gel layer, wherein the first adhesive layer is arranged on one side of the TPU layer, the non-woven fabric layer is arranged on one side of the TPU layer away from the first adhesive layer, and the silicone gel layer is arranged on one side of the non-woven fabric layer away from the TPU layer;
the film layer is arranged on one side of the adhesive layer and connected with the first adhesive layer so as to realize the connection between the film layer and the adhesive layer, and the film layer is used for protecting the adhesive layer in a waterproof manner;
and the air holes penetrate through the adhesive layer and are used for moisture permeation and ventilation.
In one embodiment, the pore size of the ventilation holes is 1-4mm.
In one embodiment, the plurality of air holes are uniformly formed on the adhesive layer.
In one embodiment, the distance between two adjacent ventilation holes is not smaller than the aperture of the ventilation holes.
In one embodiment, the silicone gel layer is the same size as the first adhesive layer, TPU layer, nonwoven layer, and film layer.
In one embodiment, the gram weight of the non-woven fabric layer is 10-20g/m 2 。
In one embodiment, the film layer is a PU film.
In one embodiment, the adhesive layer further comprises a second adhesive layer, which is disposed between the nonwoven layer and the TPU layer, so as to connect the nonwoven layer and the TPU layer.
In one embodiment, the first adhesive layer is made of acrylic adhesive, and the second adhesive layer is made of acrylic adhesive or polyurethane adhesive.
In one embodiment, the adhesive layer further comprises a protective layer, wherein the protective layer is arranged on one side, far away from the film layer, of the adhesive layer and is adhered to the silica gel layer to protect the silica gel layer, and the size of the protective layer is not smaller than that of the film layer and the adhesive layer.
In one embodiment, the protective layer is made of PP embossed film or PE embossed film.
According to the medical silica gel tape in the embodiment, the medical silica gel tape comprises a film layer and an adhesive layer, wherein the adhesive layer comprises a first adhesive layer, a TPU layer, a non-woven fabric layer and a silica gel layer, the non-woven fabric layer can improve the strength of the medical silica gel tape and avoid curling, and meanwhile, the adhesive layer is also provided with ventilation holes in a penetrating way, so that the moisture permeability and the ventilation performance can be guaranteed, the perspiration of a pasting part can be reduced, the using effect of the medical silica gel tape is prevented from being influenced, and the adhesive layer can be covered and protected due to the fact that the film layer is arranged on one side of the adhesive layer, so that the waterproof effect is achieved, and the waterproof performance of the medical silica gel tape is improved.
Drawings
FIG. 1 is a schematic structural view of a medical silicone gel tape of the present utility model;
FIG. 2 is a schematic structural view of an adhesive layer according to the present utility model;
FIG. 3 is a schematic view of an adhesive layer according to another embodiment;
wherein: 1. film layer 2, gluing layer, 21, first gluing agent layer, 22, TPU layer, 23, non-woven fabrics layer, 24, silica gel layer, 25, second gluing agent layer, 3, bleeder vent, 4, protective layer.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings by way of specific embodiments. Wherein like elements in different embodiments are numbered alike in association. In the following embodiments, numerous specific details are set forth in order to provide a better understanding of the present application. However, one skilled in the art will readily recognize that some of the features may be omitted, or replaced by other elements, materials, or methods in different situations. In some instances, some operations associated with the present application have not been shown or described in the specification to avoid obscuring the core portions of the present application, and may not be necessary for a person skilled in the art to describe in detail the relevant operations based on the description herein and the general knowledge of one skilled in the art.
Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments, and the operational steps involved in the embodiments may be sequentially exchanged or adjusted in a manner apparent to those skilled in the art. Accordingly, the description and drawings are merely for clarity of describing certain embodiments and are not necessarily intended to imply a required composition and/or order.
The numbering of the components itself, e.g. "first", "second", etc., is used herein merely to distinguish between the described objects and does not have any sequential or technical meaning. The terms "coupled" and "connected," as used herein, are intended to encompass both direct and indirect coupling (coupling), unless otherwise indicated.
The application provides a medical silica gel tape which can be used for fixing catheters and other medical equipment.
Referring to fig. 1, the medical silicone gel tape comprises a film layer 1 and an adhesive layer 2, wherein the film layer 1 is arranged on one side of the adhesive layer 2, the film layer 1 is used for waterproof protection of the adhesive layer 2, the waterproof performance of the medical silicone gel tape can be improved, the adhesive layer 2 is the inner side in contact with skin according to the use habit of the medical silicone gel tape, and the film layer 1 is the outer side far away from the skin.
Referring to fig. 2, the adhesive layer 2 includes a first adhesive layer 21, a TPU layer 22, a non-woven fabric layer 23 and a silicone gel layer 24, and the first adhesive layer 21, the TPU layer 22, the non-woven fabric layer 23 and the silicone gel layer 24 are sequentially disposed from outside to inside.
Specifically, the first adhesive layer 21 is disposed on one side of the TPU layer 22, the non-woven fabric layer 23 is disposed on one side of the TPU layer 22 away from the first adhesive layer 21, and the silicone gel layer 24 is disposed on one side of the non-woven fabric layer 23 away from the TPU layer 22; the film layer 1 is connected with the first adhesive layer 21, so as to realize the connection between the film layer 1 and the adhesive layer 1.
The first adhesive layer 21 realizes the connection of the film layer 1 and the adhesive layer 2, so that the film layer 1 can play a certain role in protecting the adhesive layer 2, the first adhesive layer 21 is sequentially combined with the TPU layer 22, the non-woven fabric layer 23 and the silica gel layer 24 into a whole, the TPU layer 22 and the non-woven fabric layer 23 can be connected in a gluing (pressure-sensitive adhesive) mode, and the strength of the whole medical silica gel tape is improved due to the arrangement of the non-woven fabric layer 23, so that the curling of the whole medical silica gel tape is avoided.
Further, the silicone gel layer 24 may be disposed on the non-woven fabric layer 23 by coating (coating), and the silicone gel is transparent, flexible, strong in adhesion, good in application effect, and good in air permeability, and may be disposed on the non-woven fabric layer 23 by coating, so that it is more uniform, and the silicone gel is hyposensitization medical silicone gel, and avoids sensitization.
Although the provision of the nonwoven fabric layer 23 can improve the strength of the medical silicone gel tape and solve the problem of curling, it has a problem of poor air permeability.
It can be understood that, because the medical silica gel adhesive tape is generally applied to the skin, the air permeability is poor, sweat can be generated at the application part, and the water condensation on the surface of the skin can wet the adhesive tape to cause the phenomena of curling and falling off, thus bacteria are easy to breed, and even skin sensitization and the like occur.
In order to improve the air permeability of this medical silica gel tape, still include bleeder vent 3, bleeder vent 3 runs through gluing layer 2 sets up, and this bleeder vent 3 runs through first gluing agent layer 21, TPU layer 22, non-woven fabrics layer 23 and the whole thickness of silica gel layer 24 promptly for it is drenched with ventilative, combines again with film layer 1, can guarantee drenching with ventilative, reduces and applies the position and sweats, can also waterproof, avoids external water to get into gluing layer 2, influences the effect of applying.
In one possible embodiment, the aperture of the ventilation holes 3 is 1-4mm.
In a possible implementation manner, the plurality of ventilation holes 3 are uniformly formed in the adhesive layer 2, and are distributed along the length direction of the whole adhesive layer 2 in an extending manner, so that each application part can be enabled to be moisture permeable and breathable, and the ventilation performance of the medical silica gel adhesive tape is enhanced.
In one possible embodiment, the distance between two adjacent ventilation holes 3 is not smaller than the aperture of the ventilation holes 3.
In one possible embodiment, the distance between two adjacent ventilation holes 3 is 1.5mm.
In one possible embodiment, the gram weight of the adhesive layer 2 is 120-210g/m 2 The gram weight of the first adhesive layer 21 is 10-15g/m 2 The TPU layer 22 has a grammage of 20-30g/m 2 The gram weight of the silica gel layer 24 is 70-130g/m 2 The non-woven fabric layer 23Gram weight of 10-20g/m 2 。
In the technical field of silica gel adhesive tapes, the thickness and the gram weight can be used for representing the size of each layer structure, the thickness and the gram weight show positive correlation, the larger the gram weight is, the larger the thickness is, and the size of each layer structure can be determined in a manner of weighing the gram weight or a manner of measuring the thickness during preparation or evidence obtaining.
In one possible embodiment, the film layer 1 is made of PU film.
In a possible embodiment, the adhesive layer 2 further comprises a second adhesive layer 25, the second adhesive layer 25 being arranged between the nonwoven layer 23 and the TPU layer 22 to achieve a connection of the nonwoven layer 23 and the TPU layer 22.
In a possible embodiment, referring to fig. 3, the first adhesive layer 21 is made of acrylic adhesive, and as a material with tackiness, the connection between the TPU layer 22 and the film layer 1 can be achieved by disposing on the TPU layer 22, and the second adhesive layer is made of acrylic adhesive or polyurethane adhesive.
In a possible embodiment, the adhesive layer 2 further includes a protective layer 4, where the protective layer 4 is disposed on a side of the adhesive layer 2 away from the film layer 1 and is attached to the silicone gel layer 21, so as to protect the silicone gel layer 21 from dust and the like affecting the usage effect of the silicone gel layer 21.
In one possible embodiment, the protective layer 4 is made of PP embossed film or PE embossed film.
In one possible embodiment, the shape and size of the silicone gel layer 24 are the same as the first adhesive layer 21, TPU layer 22, nonwoven layer 23 and film layer 1, and the bonding degree between the layers is higher, so that the bonding effect of the silicone gel layer 24 to the skin can be promoted. The size of the protective layer 4 is not smaller than the sizes of the film layer 1 and the adhesive layer 2, so that the integrated structure of the film layer 1 and the adhesive layer 2 can be comprehensively protected, and the external environment is isolated.
Generally, the medical silica gel tape is of an elongated structure, has a certain length, width and thickness, contacts with a human body part, and the protective layer 4 is removed before use, and an integrated structure composed of the film layer 1 and the adhesive layer 2 is applied on the skin, so that the length and the width of the protective layer 4 are at least not smaller than those of the film layer 1 and the adhesive layer 2.
After the film layer 1, the adhesive layer 2 and the protective layer 4 are compounded into an integral structure, the film layer 1, the adhesive layer 2 and the protective layer 4 are sterilized by using a radiation sterilization mode, so that the film layer is a sterile product, bacterial infection caused by contact with skin is avoided, the health of a user is damaged, and the use safety of the medical silica gel adhesive tape is ensured. Preferably, the irradiation sterilization dose is 15-25 KGY.
Of course, other means of sterilization, such as high temperatures, etc., may be used.
In order to avoid that the flexibility of the whole medical silicone gel tape is deteriorated due to the excessive thickness, the thickness of the film layer 1 is 0.02-0.03mm, and more preferably the thickness of the film layer 1 is 0.03m in order to ensure the moisture permeability under the condition of ensuring the use effect. The thickness of the protective layer 4 is preferably 0.1 to 0.2mm.
Furthermore, in order to facilitate tearing during use, the medical silica gel tape can be further provided with indentations (or cut-off openings), wherein the indentations are arranged along the width direction and are distributed on the whole width or at two ends of the whole width.
The foregoing description of the utility model has been presented for purposes of illustration and description, and is not intended to be limiting. Several simple deductions, modifications or substitutions may also be made by a person skilled in the art to which the utility model pertains, based on the idea of the utility model.
Claims (10)
1. A medical silicone gel tape, comprising:
the adhesive layer comprises a first adhesive layer, a TPU layer, a non-woven fabric layer and a silicone gel layer, wherein the first adhesive layer is arranged on one side of the TPU layer, the non-woven fabric layer is arranged on one side of the TPU layer away from the first adhesive layer, and the silicone gel layer is arranged on one side of the non-woven fabric layer away from the TPU layer;
the film layer is arranged on one side of the adhesive layer and connected with the first adhesive layer so as to realize the connection between the film layer and the adhesive layer, and the film layer is used for protecting the adhesive layer in a waterproof manner;
and the air holes penetrate through the adhesive layer and are used for moisture permeation and ventilation.
2. The medical silica gel adhesive tape according to claim 1, wherein a plurality of ventilation holes are uniformly formed in the adhesive layer, and the pore diameter of the ventilation holes is 1-4mm.
3. A medical silicone gel tape according to claim 2, wherein the distance between two adjacent ventilation holes is not smaller than the pore diameter of the ventilation holes.
4. A medical silicone gel tape according to claim 1, wherein the silicone gel layer is the same size as the first adhesive layer, TPU layer, nonwoven layer and film layer.
5. A medical silicone gel tape according to claim 1, wherein the nonwoven fabric layer has a grammage of 10-20g/m 2 。
6. A medical silicone gel tape according to claim 1, wherein the film layer is made of PU film.
7. The medical silicone gel tape of claim 1, wherein the adhesive layer further comprises a second adhesive layer disposed between the nonwoven layer and the TPU layer to effect the connection of the nonwoven layer and the TPU layer.
8. The medical silicone gel adhesive tape according to claim 7, wherein the first adhesive layer is made of acrylic adhesive, and the second adhesive layer is made of acrylic adhesive or polyurethane adhesive.
9. The medical silicone gel tape according to claim 1, further comprising a protective layer disposed on a side of the adhesive layer away from the film layer and attached to the silicone gel layer for protecting the silicone gel layer, wherein the protective layer has a size not smaller than the sizes of the film layer and the adhesive layer.
10. A medical silicone gel tape according to claim 9, wherein the protective layer is made of PP embossed film or PE embossed film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321515432.7U CN220193340U (en) | 2023-06-14 | 2023-06-14 | Medical silica gel adhesive tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321515432.7U CN220193340U (en) | 2023-06-14 | 2023-06-14 | Medical silica gel adhesive tape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220193340U true CN220193340U (en) | 2023-12-19 |
Family
ID=89141069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321515432.7U Active CN220193340U (en) | 2023-06-14 | 2023-06-14 | Medical silica gel adhesive tape |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220193340U (en) |
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2023
- 2023-06-14 CN CN202321515432.7U patent/CN220193340U/en active Active
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