CN209548224U - A kind of aerogel dressing - Google Patents
A kind of aerogel dressing Download PDFInfo
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- CN209548224U CN209548224U CN201821708929.XU CN201821708929U CN209548224U CN 209548224 U CN209548224 U CN 209548224U CN 201821708929 U CN201821708929 U CN 201821708929U CN 209548224 U CN209548224 U CN 209548224U
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Abstract
The utility model discloses a kind of aerogel dressing, which includes: grenadine layer, Macromolecule glue-line, epiphragma layer and pallet；Grenadine is placed among Macromolecule glue-line, first outer surface of pallet is equipped with the chamber resettling of indent, grenadine layer and high-molecular gel are placed in the chamber resettling, epiphragma layer is set on the first outer surface, and Macromolecule glue-line and grenadine layer are encapsulated in pallet, the multilayered structure setting of aerogel dressing enhances the toughness and intensity of Macromolecule glue-line in the utility model, is not easily broken it, Macromolecule glue-line is encapsulated in the transport and storage for being conducive to gel layer in pallet.
Description
Technical field
The utility model relates to field of medical technology, and in particular to a kind of aerogel dressing.
Background technique
In medical field, medical dressing occupies sizable market.Medical dressing is many kinds of, multiple functional, mainly
Play the role of protection wound, promotes wound healing.Common dressing include natural gauze, the dressing of synthetic fibers class, film class apply
Material, Hydrogels dressing etc..
Currently, the fiber-like dressing used, need to often replace, because dressing is easy and wound adhesion, fiber-like dressing is more
Change poles easy damaged granulation tissue brings pain to patient and influences the recovery in affected part.Although and salt water soak can reduce it is deposited
A possibility that material is with wound adhesion, but need to frequently replace dressing, this frequent dressing can also damage the surface of a wound, to patient with
Carry out secondary injury, also adds the workload of medical staff.Aerogel dressing is a kind of emerging surface of a wound nursing medical dressing,
Predominantly be the gel using water as decentralized medium, have with surface of a wound adhesion, dressing is painless, protect cambium, avoid the surface of a wound
Secondary damage accelerates wound healing and a variety of advantages, the clinical applications such as scar generation is inhibited to show the hygrometric state of aerogel dressing
The dry state cure that cure is coated relative to traditional gauze, can accelerate the healing of wound.
Aerogel dressing is that one kind can be swollen in water, absorbs and keep large quantity of moisture and be not dissolved in the parent of water
Aqueous net high-polymer swelling body.Just because of its high-moisture, allows the random moulding of hydrogel, is suitable for the wound at any position
Face provides necessary condition for the healing of wound, and biocompatibility is also superior to fiber, film class dressing.Aerogel dressing is being cured
Still there is certain limitation in medicine field using more and more extensive at present.The mechanical strength of aerogel dressing relative to fibrous type,
Film dressing still is apparent not enough, and not readily transportable and storage, macromolecule hydrogel has good swelling behavior, and surface of a wound hydrogel applies
After material absorbs the body fluid swelling of wound, the easily rupturable removing of hydrogel under the action of own wt, so hydrogel is tough
Property and intensity are to be improved.
Utility model content
The utility model discloses a kind of aerogel dressings, with good toughness and intensity, are readily transported and store.
To achieve the above object, the utility model provides a kind of aerogel dressing, which includes: grenadine
Layer, Macromolecule glue-line, epiphragma layer and pallet；
The grenadine is placed among the Macromolecule glue-line, and the first outer surface of the pallet is equipped with the appearance of indent
Chamber is set, the grenadine layer and the high-molecular gel are placed in the chamber resettling, and the epiphragma layer is set to described
On one outer surface, the Macromolecule glue-line and the grenadine layer are encapsulated in the pallet.
Optionally, the length of the pallet and width are 10cm, and the depth of the chamber resettling is 0.5-4mm, the pallet
Four angles be it is arc-shaped, the bottom of the pallet is printed on latticed decorative pattern, and the specification of each grid is 1*1cm.
Optionally, the Macromolecule glue-line is by that can form the high molecular polymer of cohesive force or can form the height of cohesive force
The mixture of Molecularly Imprinted Polymer is made.
Optionally, the thickness range of the grenadine layer is 10 microns -200 microns, the net on grenadine in the grenadine layer
Lattice are -50 mesh of 10 mesh, and for the thickness range on the side of the grid at 3 microns to 20 microns, the shape of the grid includes hexagon.
Optionally, the epiphragma layer with a thickness of 20 microns -300 microns.
Optionally, the material of the pallet be PET, the pallet with a thickness of 0.1-0.4mm.
Optionally, be provided with the Macromolecule glue-line of grenadine layer with a thickness of 0.5-4mm, the Macromolecule glue-line
Moisture content be 70%-90%.
Optionally, the material of the grenadine layer includes white polyester grenadine.
Optionally, the epiphragma layer is antiseize membrane, by PET material or the composite material system of PE material or PET and PE
At.
The utility model discloses a kind of aerogel dressing, which includes: grenadine layer, Macromolecule glue-line, epiphragma layer
And pallet；The grenadine is placed among the Macromolecule glue-line, and the first outer surface of the pallet is equipped with the appearance of indent
Chamber is set, the grenadine layer and the high-molecular gel are placed in the chamber resettling, and the epiphragma layer is set to described
The Macromolecule glue-line and the grenadine layer are encapsulated in the pallet by the part of non-indent on one outer surface, grenadine layer
It is arranged and enhances the toughness and intensity of Macromolecule glue-line, be not easily broken it, Macromolecule glue-line, which is encapsulated in pallet, is conducive to
The transport and storage of gel layer.
Detailed description of the invention:
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those skilled in the art, without creative efforts, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is the schematic diagram in the section of the aerogel dressing of the present embodiment, and in Fig. 1, A is pallet, and B is high-molecular gel
Layer, C are grenadine layer, and D is epiphragma layer；
Fig. 2 is the composition schematic diagram of aerogel dressing in the present embodiment, and in Fig. 2, A is pallet, and B is Macromolecule glue-line, C
Grenadine layer, D epiphragma layer.
Specific embodiment:
It, below will knot to enable the purpose of utility model, feature, advantage of the utility model more obvious and understandable
The attached drawing in the utility model embodiment is closed, the technical scheme in the utility model embodiment is clearly and completely described,
Obviously, the described embodiments are only a part of the embodiments of the utility model, and not all embodiments.Based on the utility model
In embodiment, those skilled in the art's every other embodiment obtained without making creative work, all
Belong to the range of the utility model protection.
Comparative example 1:
A kind of aerogel dressing in the prior art, Macromolecule bondline thickness are 2mm, and formula is polyvinyl pyrrole
Alkanone, agar (Agar), polyethylene glycol and water.According to the polyvinylpyrrolidone in above-mentioned formula, agar (Agar), poly- second two
Alcohol and water Hybrid Heating, and stir evenly and to form gel-like body, using the x ray irradiation x of the Co-60 γ gelatinous mass, make
Its crosslinking curing forms Macromolecule glue-line, and through testing, the mechanical strength of the Macromolecule glue-line is 0.2kg.
Embodiment 1:
The present embodiment provides a kind of toughness and the higher aerogel dressing of intensity, and as depicted in figs. 1 and 2, which applies
Material includes: pallet A, Macromolecule glue-line B, grenadine layer C and epiphragma layer D；
In the present embodiment, the grenadine layer C is placed among Macromolecule glue-line B, is set on the first outer surface of the pallet A
There is the chamber resettling of indent, the grenadine layer and the high-molecular gel are placed in the chamber resettling, the epiphragma layer D setting
In on first outer surface, the Macromolecule glue-line B and the grenadine layer C are encapsulated in the chamber resettling of the pallet A.
Wherein, the Macromolecule glue-line B is made of at least one film forming agent high molecular polymer with cohesive force, i.e.,
Macromolecule glue-line is by can form the high molecular polymer of cohesive force, or can form the mixture of the high molecular polymer of cohesive force
It is made, Macromolecule glue-line has swelling behavior and certain cohesive force, and moisture content 70%-90% is transparent, has
Flexible speciality has certain mechanical strength.Netted gauze is set to Macromolecule glue-line B and forms grenadine layer, so that hydrogel
The intensity and toughness of dressing are greatly improved.Optionally, Macromolecule glue-line is by polyvinylpyrrolidone, agar (Agar)
It is made with polyethylene glycol and water.The aerogel dressing of the present embodiment can be made of mode below, by polyvinylpyrrolidone,
Agar (Agar) and polyethylene glycol and water Hybrid Heating, and stir evenly and to form gel-like body, by not solidified object as a form of gel
Body is uniformly fed into the chamber resettling of pallet, and before not being filled in chamber resettling, the grenadine is set to chamber resettling
In gelatinous mass on, then continue into the chamber resettling that gelatinous mass is perfused, to the gel in chamber resettling
After shape object cooled and solidified, epiphragma layer is set on the pallet using sealing machine, by the epiphragma layer by the gel
Layer and the grenadine layer are encapsulated in the pallet.Using the gel layer in the x ray irradiation x pallet of Co-60 γ, make its crosslinking curing
Form Macromolecule glue-line.Optionally, the grenadine is set in chamber resettling when chamber resettling is filled half
Gelatinous mass on.
In the present embodiment, there are many kinds of the material selections of grenadine layer, optionally, the selection of netted gauze and the height of grenadine layer C
Molecular gel layer has the material of preferable wellability, such as the material of netted gauze is silk net, natural fiber net, chemical fibre
Net and plastic wire, or the polymer synthesized by least two in silk net, natural fiber net, chemical fiber web and plastic wire
Net.Optionally, the material for preparing of chemical fiber web includes but is not limited to by polyamide fibre, terylene, acrylic fibers etc..Optionally, grenadine layer
Thickness range is 10 microns -200 microns, and the magnitude range of the grid of grenadine layer is -50 mesh of 10 mesh, the Grid Edge of grenadine layer it is thick
For thin range at 3 microns -20 microns, the mesh shape of grenadine layer includes hexagon, and grenadine layer C is that the hydrogel of transparent flexible applies
Material provides good mechanical performance, such as toughness and elasticity, so that the aerogel dressing of transparent flexible is not tearable.Optionally,
The grenadine layer is made of white polyester grenadine.
The aerogel dressing of the utility model has the characteristics that transparent visual, has good swelling behavior (with human body skin
Skin normal aqueous is horizontal approximate, and aerogel dressing gives appropriate moisturizing automatically when being bonded position water shortage, and human body diffusate or its
He can be absorbed extra moisture by aerogel dressing, and absorbability is up to 30%-90%), the surface of a wound can be kept wet nice and cool.
Optionally, be provided in the present embodiment the Macromolecule glue-line of grenadine layer with a thickness of 0.5mm-4mm.
Optionally, the length of the pallet of the present embodiment and width can according to need setting, length and width of the present embodiment to pallet
There is no limit, such as the length and width of pallet are disposed as 10cm, the water-setting that the chamber resettling on pallet can need accommodate according to it
Its length and width and depth is arranged in the size of glue.Referring to fig. 2, optionally, the depth of the chamber resettling is 0.5-4mm, the pallet
For tool there are four arc-shaped angle, the bottom of the pallet is printed on latticed decorative pattern, and the specification of each grid is 1*1cm.Optionally,
The material of the pallet be PET, the pallet with a thickness of 0.1-0.4mm.
Optionally, the material of epiphragma layer D can be the composite material of PET material or PE material or PET and PE, can be with
The paper of the foil or water repellency that are made of metal.Optionally, epiphragma layer D with a thickness of 20 microns -300 microns, effect be will be hard
Gel layer sealing in matter pallet, promotes the protection to macromolecule hydrogel, convenient for its transport and storage, it is to be understood that
Epiphragma layer D is easy to remove with Macromolecule glue-line, easy to use.
Based on the structure setting of above-mentioned aerogel dressing, the aerogel dressing of the transparent flexible in the present embodiment has good
Mechanical performance and aesthetics, better usage experience can be brought to user.
The present embodiment substantially increases the mechanical strength of Macromolecule glue-line by the way that gauze is added in Macromolecule glue-line
(improving 5-10 times).In the present embodiment, the Macromolecule glue-line of different-thickness has the advantages that different, ultra-thin moisture film (0.5mm)
Has the advantages that when attached power is strong when transparency high, patch and takes off not ixoderm；Thick moisture film (1mm-5mm) has the water lock time long, resistance to
With the characteristics of, demand suitable for different wounds
Embodiment 2:
The present embodiment provides a kind of aerogel dressing, the description of specific structure is recorded and attached referring to the related of embodiment 1
Fig. 1-2, details are not described herein for the present embodiment.
Optionally, the grenadine layer C in the present embodiment is made of silk, specially the thin clathrum C of silk.
In the present embodiment, aerogel dressing is made of pallet, grenadine layer, Macromolecule glue-line and epiphragma layer, wherein high score
Sub- gel layer thicknesses are 3mm, and the thin grenadine of silk is added in Macromolecule glue-line middle layer, and (wherein clathrum is with a thickness of 10 microns, net
Lattice size is 10 mesh) grenadine layer is formed, the formula of Macromolecule glue-line is polyvinylpyrrolidone, agar (Agar), poly- second two
Alcohol and water.According to above-mentioned formula by polyvinylpyrrolidone, agar (Agar) and polyethylene glycol and water Hybrid Heating, and stir equal
Even formation gel-like body, not solidified gel-like body is uniformly fed into the chamber resettling of pallet, in chamber resettling
Before not being filled, the grenadine is set on the gelatinous mass in chamber resettling, then is perfused and coagulates into the chamber resettling
Epiphragma layer is set to described by colloidal objects after the gelatinous mass cooled and solidified in chamber resettling using sealing machine
On pallet, the gel layer and the grenadine layer are encapsulated in the pallet by the epiphragma layer.Using the ray of Co-60 γ
The gel layer in pallet is irradiated, its crosslinking curing is made to form Macromolecule glue-line.
In the present embodiment, the mechanical strength of transparent aerogel dressing is 1.5kg, light transmittance 80%.In the present embodiment,
Epiphragma layer is transparent or opaque plastic sheet, and the stabilizer for keeping gel elastomer is coated on surface.
Embodiment 3:
The present embodiment provides a kind of aerogel dressing, the description of specific structure is recorded and attached referring to the related of embodiment 1
Fig. 1-2, details are not described herein for the present embodiment.
Optionally, the grenadine layer C in the present embodiment is made of silk, specially the thin clathrum C of silk.
In the present embodiment, aerogel dressing is made of pallet, grenadine layer, Macromolecule glue-line and epiphragma layer, wherein high score
Sub- gel layer with a thickness of 2mm, joined the thin grenadine of silk in Macromolecule glue-line, (wherein clathrum is with a thickness of 30 microns, net
Lattice size is 30 mesh).Optionally, the formula of Macromolecule glue-line be polyvinylpyrrolidone, agar (Agar), polyethylene glycol and
Water.According to above-mentioned formula by polyvinylpyrrolidone, agar (Agar) and polyethylene glycol and water Hybrid Heating, and stir evenly shape
At gel-like body, not solidified gel-like body is uniformly fed into the chamber resettling of pallet, in chamber resettling not by
Before filling, the grenadine is set on the gelatinous mass in chamber resettling, then gel is perfused into the chamber resettling
Epiphragma layer is set to the pallet using sealing machine after the gelatinous mass cooled and solidified in chamber resettling by object
On, the thin grenadine of silk in the gel layer and gel layer is encapsulated in the pallet by the epiphragma layer.Using Co-60 γ
X ray irradiation x pallet in gel layer, make its crosslinking curing formed Macromolecule glue-line.
The mechanical strength of the transparent aerogel dressing of this in the present embodiment is 1.5kg, light transmittance 80%.
Embodiment 4:
The present embodiment provides a kind of aerogel dressing, the description of specific structure is recorded and attached referring to the related of embodiment 1
Fig. 1-2, details are not described herein for the present embodiment.
Optionally, the grenadine layer C in the present embodiment is made of silk, specially the thin clathrum C of silk.
In the present embodiment, aerogel dressing is made of, wherein high score pallet, grenadine layer, Macromolecule glue-line and epiphragma layer
(wherein clathrum is with a thickness of 15 microns, grid for the thin grenadine of silk that is added with a thickness of 2mm, in Macromolecule glue-line of sub- gel layer
Size is 15 mesh), the formula of Macromolecule glue-line is polyvinylpyrrolidone, agar (Agar), polyethylene glycol and water.According to upper
Formula is stated by polyvinylpyrrolidone, agar (Agar) and polyethylene glycol and water Hybrid Heating, and stir evenly to be formed it is as a form of gel
Not solidified gel-like body is uniformly fed into the chamber resettling of pallet by object, will before not being filled in chamber resettling
The grenadine is set on the gelatinous mass in chamber resettling, then gelatinous mass is perfused into the chamber resettling, wait hold
After setting the gelatinous mass cooled and solidified in chamber, epiphragma layer is set on the pallet using sealing machine, passes through institute
It states epiphragma layer the thin grenadine of silk in the gel layer and gel layer is encapsulated in the pallet.Using the ray spoke of Co-60 γ
According to the gel layer in pallet, its crosslinking curing is made to form Macromolecule glue-line.
The mechanical strength of the transparent aquagel dressing is 1kg, light transmittance 85% in the present embodiment.
Embodiment 5:
The present embodiment provides a kind of aerogel dressing, the description of specific structure is recorded and attached referring to the related of embodiment 1
Fig. 1-2, details are not described herein for the present embodiment.
Optionally, the grenadine layer C in the present embodiment is made of terylene, specially the thin clathrum C of terylene.
In the present embodiment, aerogel dressing is made of, wherein high score pallet, grenadine layer, Macromolecule glue-line and epiphragma layer
Sub- gel layer thicknesses are 2.5mm, and joined terylene grenadine in Macromolecule glue-line, (wherein clathrum is with a thickness of 20 microns, grid
Size is 30 mesh), the formula of Macromolecule glue-line is polyvinylpyrrolidone, agar (Agar), polyethylene glycol and water.According to upper
Formula is stated by polyvinylpyrrolidone, agar (Agar) and polyethylene glycol and water Hybrid Heating, and stir evenly to be formed it is as a form of gel
Not solidified gel-like body is uniformly fed into the chamber resettling of pallet by object, will before not being filled in chamber resettling
The grenadine is set on the gelatinous mass in chamber resettling, then gelatinous mass is perfused into the chamber resettling, wait hold
After setting the gelatinous mass cooled and solidified in chamber, epiphragma layer is set on the pallet using sealing machine, passes through institute
It states epiphragma layer the thin grenadine of silk in the gel layer and gel layer is encapsulated in the pallet.Using the ray spoke of Co-60 γ
According to the gel layer in pallet, its crosslinking curing is made to form Macromolecule glue-line.
The mechanical strength of the transparent aquagel dressing is 3kg, light transmittance 85% in the present embodiment.
Embodiment 6:
The present embodiment provides a kind of aerogel dressing, the description of specific structure is recorded and attached referring to the related of embodiment 1
Fig. 1-2, details are not described herein for the present embodiment.
Optionally, the grenadine layer C in the present embodiment is made of terylene, specially the thin clathrum C of terylene.
In the present embodiment, aerogel dressing is made of, wherein high score pallet, grenadine layer, Macromolecule glue-line and epiphragma layer
(wherein clathrum is with a thickness of 10 microns, net for the terylene grenadine that is added with a thickness of 0.5mm, among Macromolecule glue-line of sub- gel layer
Lattice size is 50 mesh), the formula of Macromolecule glue-line is polyvinylpyrrolidone, agar, polyethylene glycol and water.Match according to above-mentioned
Polyvinylpyrrolidone, agar, polyethylene glycol and water Hybrid Heating are stirred evenly and to form gel-like body by side, will not coagulated
Solid gel-like body be uniformly fed into the chamber resettling of pallet, before not being filled in chamber resettling, the grenadine is set
It is placed on the gelatinous mass in chamber resettling, then gelatinous mass is perfused into the chamber resettling, in chamber resettling
After the gelatinous mass cooled and solidified, epiphragma layer is set on the pallet using sealing machine, it will by the epiphragma layer
The thin grenadine of silk in the gel layer and gel layer is encapsulated in the pallet.Using in the x ray irradiation x pallet of Co-60 γ
Gel layer makes its crosslinking curing form Macromolecule glue-line.
The mechanical strength of the transparent aquagel dressing is 1kg, light transmittance 95% in the present embodiment.
For the aerogel dressing of the utility model, the setting of grenadine layer enhances the toughness of Macromolecule glue-line and strong
Degree, is not easily broken it, Macromolecule glue-line is encapsulated in the transport and storage for being conducive to gel layer in pallet.
The above are to a kind of description of aerogel dressing provided by the utility model, for those skilled in the art,
Based on the idea of the embodiment of the present invention, there will be changes in the specific implementation manner and application range, to sum up, this theory
Bright book content should not be construed as a limitation of the present invention.
Claims (8)
1. a kind of aerogel dressing, which is characterized in that the aerogel dressing includes: grenadine layer, Macromolecule glue-line, epiphragma layer
And pallet；
The grenadine is placed among the Macromolecule glue-line, and the first outer surface of the pallet is equipped with the accommodating cavity of indent
Room, the grenadine layer and the high-molecular gel are placed in the chamber resettling, and the epiphragma is placed on first appearance
On face, the Macromolecule glue-line and the grenadine layer are encapsulated in the pallet.
2. aerogel dressing according to claim 1, which is characterized in that the length and width of the pallet are 10cm, described
The depth of chamber resettling is 0.5-4mm, four angles of the pallet be it is arc-shaped, the bottom of the pallet is printed on latticed flower
Line, the specification of each grid are 1*1cm.
3. aerogel dressing according to claim 1, which is characterized in that the Macromolecule glue-line is by that can form cohesive force
High molecular polymer or the mixture of high molecular polymer of cohesive force can be formed be made.
4. aerogel dressing according to claim 1, which is characterized in that the thickness range of the grenadine layer be 10 microns-
200 microns, the grid on grenadine in the grenadine layer is -50 mesh of 10 mesh, the thickness range on the side of the grid 3 microns -
20 microns, the shape of the grid includes hexagon.
5. aerogel dressing according to claim 1, which is characterized in that the epiphragma layer it is micro- with a thickness of 20 micron -300
Rice.
6. aerogel dressing according to claim 1-5, which is characterized in that the material of the pallet is PET, institute
State pallet with a thickness of 0.1-0.4mm.
7. aerogel dressing according to claim 1-5, which is characterized in that be provided with the high score of grenadine layer
Sub- gel layer with a thickness of 0.5-4mm, the moisture content of the Macromolecule glue-line is 70%-90%.
8. aerogel dressing according to claim 1-5, which is characterized in that the material of the grenadine layer includes white
Color terylene grenadine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821708929.XU CN209548224U (en) | 2018-10-22 | 2018-10-22 | A kind of aerogel dressing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821708929.XU CN209548224U (en) | 2018-10-22 | 2018-10-22 | A kind of aerogel dressing |
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| CN209548224U true CN209548224U (en) | 2019-10-29 |
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| Country | Link |
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2018
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Effective date of registration: 20230518 Address after: 1502, 15th Floor, Block B, Building 1, No. 2, Huake 5th Road, Huayuan Industrial Zone (Huanwai), Binhai New Area, Tianjin, 300392 Patentee after: Haimai medical technology (Tianjin) Co.,Ltd. Address before: 313100 Meishan Town Industrial Park, Changxing County, Huzhou City, Zhejiang Province Patentee before: Zhejiang weilihua Biotechnology Co.,Ltd. |