CN105617441A - Antibacterial graphene dressing - Google Patents
Antibacterial graphene dressing Download PDFInfo
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- CN105617441A CN105617441A CN201610149633.8A CN201610149633A CN105617441A CN 105617441 A CN105617441 A CN 105617441A CN 201610149633 A CN201610149633 A CN 201610149633A CN 105617441 A CN105617441 A CN 105617441A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/18—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing inorganic materials
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/44—Medicaments
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/10—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices containing or releasing inorganic materials
- A61L2300/108—Elemental carbon, e.g. charcoal
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/40—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a specific therapeutic activity or mode of action
- A61L2300/404—Biocides, antimicrobial agents, antiseptic agents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/40—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a specific therapeutic activity or mode of action
- A61L2300/428—Vitamins, e.g. tocopherol, riboflavin
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Epidemiology (AREA)
- Hematology (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Inorganic Chemistry (AREA)
- Medicinal Preparation (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Materials For Medical Uses (AREA)
Abstract
The invention relates to an antibacterial graphene dressing. The antibacterial graphene dressing is prepared from a fiber dressing substrate, a graphene oxide, VB1, VB2, VB6, purified water, a self-adhesive non-woven fabric and single silicon release paper. The antibacterial graphene dressing has better biocompatibility and lower cytotoxicity, the influence of the physicochemical property of wound fluid on the antibacterial effect is less, the effect is more stable, use is safe, and the antibacterial graphene dressing is friendly to environment.
Description
Technical field
The present invention relates to medical dressing, refer to a kind of Graphene antibiosis dressing especially.
Background technology
Skin belongs to the first immunization barrier of the mankind, skin is after wound, burn or ulcer, skin wound easily produces transudate, fester, toxin and toxic product etc., wherein containing a large amount of inflammatory factors, proteolytic enzyme and free radical etc. in transudate, if these objectionable impuritiess stop the healing that all can slow down wound at skin surface for a long time. Meanwhile, in order to avoid extraneous harmful microorganism infected wound, the healing of accelerated in wounds, it usually needs apply medical dressing in wound. Medical dressing is applicable to surface of a wound granulation Formation period, can absorb unnecessary wound fluid, can intercept extraneous foreign matter and part bacterium, the nerve ending that protection exposes simultaneously, alleviate pain.
In order to avoid early stage wound infection, Promotive union, medical dressing can add certain antipathogenic composition usually. Conventional antipathogenic composition includes silver ions, chitosan and antibacterial medicines etc. As one of the most frequently used antipathogenic composition, silver belongs to non-human required element, and has potential security risk, and likely the ecotope of hydrobiont is caused detrimentally affect after discarding, and its application also receives a definite limitation. And chitosan must just possess fungistatic effect under sour environment, this causes certain limitation for its application. Medicine is antibacterial, there is the problem such as resistance and drug allergy.
Summary of the invention
Namely the main purpose of the present invention is to overcome the shortcoming of prior art, it is provided that the Graphene antibiosis dressing of a kind of safety, environmental protection, antibacterial, excellent in sterilization effect.
Graphene oxide is a kind of nano material formed by Graphene oxidation, its carbon atom becomes monolayer alignment, surface has a large amount of oxygen-containing functional group, it is provided with good wetting ability, and there is more outstanding biocidal property and better cell compatibility compared to Graphene, at medical field, there is important application prospect.
The present invention adopts following technical scheme:
A kind of Graphene antibiosis dressing, is prepared from by following raw material: fiber dressing matrix, graphene oxide, VB1, VB2, VB6, purified water, non-setting adhesive non-woven fabrics and single silicon separate-type paper;
Preparation method is as follows:
A, graphene oxide is joined in purified water, stir evenly;
B, fiber dressing matrix is placed in hot environment under activation;
C, the fiber dressing matrix after activation is soaked in graphene oxide solution, airtight vacuumizes;
D, take out the fiber dressing matrix that soaked and be placed in hot environment under freeze-day with constant temperature;
The VITAMIN working fluid of e, preparation VB1, VB2 and VB6, and being immersed in VITAMIN working fluid by dried fiber dressing matrix, airtight vacuumizes;
F, take out and soaked the fiber dressing matrix low-temperature vacuum drying of VITAMIN working fluid;
G, pretreated fiber dressing matrix and non-setting adhesive non-woven fabrics, single silicon separate-type paper are placed on applicator jointly, through cutting out, after the operation such as compressing tablet, make applying ointment or plaster of required specification, package and obtained Graphene antibiosis casting product after completing sterilization.
Preferably, described fiber dressing matrix is carbon fiber needle punched non-woven fabrics, and described preparation method is as follows:
A, graphene oxide is joined in purified water, make the graphene oxide solution of 0.4wt%, stir evenly;
4-6h is activated at b, the temperature that carbon fiber acupuncture nonwoven is arranged in 105-140 DEG C;
C, the carbon fiber needle punched non-woven fabrics after activation is soaked in graphene oxide solution, airtight vacuumizes 20-40min;
D, take out the carbon fiber acupuncture nonwoven that soaked and be arranged in 105-140 DEG C of temperature under freeze-day with constant temperature 4-10h;
The VITAMIN working fluid of e, preparation VB1, VB2 and VB6, the concentration of VB1, VB2 and VB6 is 0.2mg/L, and is immersed in VITAMIN working fluid by dried carbon fiber needle punched non-woven fabrics, airtight vacuumizes 20-40min;
F, take out and soaked carbon fiber needle punched non-woven fabrics vacuum-drying 3-5h under the temperature condition of 50-60 DEG C of VITAMIN working fluid;
G, pretreated carbon fiber needle punched non-woven fabrics and non-setting adhesive non-woven fabrics, single silicon separate-type paper are placed on applicator jointly, through cutting out, after the operation such as compressing tablet, make applying ointment or plaster of required specification, package and obtained Graphene antibiosis casting product after completing sterilization.
Preferably, described preparation method also comprises step c1 between step c and d: the carbon fiber acupuncture nonwoven of immersion peroxidation graphene solution is arranged in the aqueous agar solution of 60 DEG C of 0.1wt% and soaks 30min.
Preferably, described preparation method is as follows:
A, graphene oxide is joined in purified water, make the graphene oxide solution of 0.4wt%, stir evenly;
5h is activated at b, the temperature that carbon fiber acupuncture nonwoven is arranged in 110 DEG C;
C, the carbon fiber needle punched non-woven fabrics after activation is soaked in graphene oxide solution, airtight vacuumizes 30min;
D, take out the carbon fiber acupuncture nonwoven that soaked and be arranged in 105 DEG C of temperature under freeze-day with constant temperature 8h;
The VITAMIN working fluid of e, preparation VB1, VB2 and VB6, the concentration of VB1, VB2 and VB6 is 0.2mg/L, and is immersed in VITAMIN working fluid by dried carbon fiber needle punched non-woven fabrics, airtight vacuumizes 30min;
F, take out and soaked carbon fiber needle punched non-woven fabrics vacuum-drying 4h under the temperature condition of 60 DEG C of VITAMIN working fluid;
G, pretreated carbon fiber needle punched non-woven fabrics and non-setting adhesive non-woven fabrics, single silicon separate-type paper are placed on applicator jointly, through cutting out, after the operation such as compressing tablet, make applying ointment or plaster of required specification, package and obtained Graphene antibiosis casting product after completing sterilization.
Compared with prior art, a kind of Graphene antibiosis dressing of the present invention has better biocompatibility and lower cytotoxicity, and the impact that fungistatic effect is subject to the physico-chemical property of wound fluid is less, and effect is more stable, and use safety, environmentally friendly.
Embodiment
Embodiment one
Raw material: carbon fiber needle punched non-woven fabrics 50, graphene oxide 200g, VB1, VB2, VB6, purified water, non-setting adhesive non-woven fabrics and single silicon separate-type paper.
Preparation method is as follows:
In a, the purified water that the graphene oxide of 200g is joined 50kg, make the graphene oxide solution of 0.4wt%, stir evenly;
B, carbon fiber acupuncture nonwoven by 50 activate 5h under being arranged in the temperature of 110 DEG C;
C, the carbon fiber needle punched non-woven fabrics after activation is soaked in graphene oxide solution, airtight vacuumizes 30min;
D, take out the carbon fiber acupuncture nonwoven that soaked and be arranged in 105 DEG C of temperature under freeze-day with constant temperature 8h;
The VITAMIN working fluid 50L of e, preparation VB1, VB2 and VB6, the concentration of VB1, VB2 and VB6 is 0.2mg/L, and is immersed in VITAMIN working fluid by dried carbon fiber needle punched non-woven fabrics, airtight vacuumizes 30min;
F, take out and soaked carbon fiber needle punched non-woven fabrics vacuum-drying 4h under the temperature condition of 60 DEG C of VITAMIN working fluid;
G, pretreated carbon fiber needle punched non-woven fabrics and non-setting adhesive non-woven fabrics, single silicon separate-type paper are placed on applicator jointly, through cutting out, after the operation such as compressing tablet, make applying ointment or plaster of required specification, package and obtained Graphene antibiosis casting product after completing sterilization.
Embodiment two
Raw material: carbon fiber needle punched non-woven fabrics 50, graphene oxide 200g, VB1, VB2, VB6, purified water, aqueous agar solution, non-setting adhesive non-woven fabrics and single silicon separate-type paper.
Preparation method is as follows:
In a, the purified water that the graphene oxide of 200g is joined 50kg, make the graphene oxide solution of 0.4wt%, stir evenly;
B, carbon fiber acupuncture nonwoven by 50 activate 5h under being arranged in the temperature of 110 DEG C;
C, the carbon fiber needle punched non-woven fabrics after activation is soaked in graphene oxide solution, airtight vacuumizes 30min;
C1: the carbon fiber acupuncture nonwoven of immersion peroxidation graphene solution is arranged in the aqueous agar solution of 60 DEG C of 0.1wt% and soaks 30min;
D, take out the carbon fiber acupuncture nonwoven that soaked and be arranged in 105 DEG C of temperature under freeze-day with constant temperature 8h;
The VITAMIN working fluid 50L of e, preparation VB1, VB2 and VB6, the concentration of VB1, VB2 and VB6 is 0.2mg/L, and is immersed in VITAMIN working fluid by dried carbon fiber needle punched non-woven fabrics, airtight vacuumizes 30min;
F, take out and soaked carbon fiber needle punched non-woven fabrics vacuum-drying 4h under the temperature condition of 60 DEG C of VITAMIN working fluid;
G, pretreated carbon fiber needle punched non-woven fabrics and non-setting adhesive non-woven fabrics, single silicon separate-type paper are placed on applicator jointly, through cutting out, after the operation such as compressing tablet, make applying ointment or plaster of required specification, package and obtained Graphene antibiosis casting product after completing sterilization.
By antibacterial dressing comparison and detection test-results obtained to embodiment one, the obtained antibacterial dressing of embodiment two and chitosan of the prior art and silver ions such as table one:
Table one
| Test item | Bacteriostasis rate | Sterilizing rate | Cytotoxicity |
| Embodiment one | 94% | 91% | Do not show cytotoxicity |
| Embodiment two | 96% | 96% | Do not show cytotoxicity |
| Certain chitosan dressing | 81% | 81% | Do not show cytotoxicity |
| Certain silver ions dressing | 96% | 95% | Show cytotoxicity |
As can be seen from Table I, antibacterial with on sterilization effect, the Graphene antibiosis dressing of silver ions dressing and the present invention is obviously better than chitosan dressing, but silver ions dressing shows cytotoxicity, biocompatibility is not good, there is unsafe factor in use, the Graphene antibiosis dressing of the present invention then not only has good antibacterial and sterilization effect, and biocompatibility is also very excellent.
In addition, it can also be seen that from table one, the Graphene antibiosis dressing of Graphene antibiosis dressing the present invention more undressed than embodiment one of embodiment two the present invention of immersion treatment in the aqueous agar solution of 60 DEG C of 0.1wt% has more excellent antibacterial and sterilization effect.
Above are only the two of the present invention embodiment, but the design of the present invention design is not limited thereto, all changes utilizing this design that the present invention carries out unsubstantiality, all should belong to the behavior invading protection domain of the present invention.
Claims (5)
1. a Graphene antibiosis dressing, it is characterised in that be prepared from by following raw material: fiber dressing matrix, graphene oxide, VB1, VB2, VB6, purified water, non-setting adhesive non-woven fabrics and single silicon separate-type paper;
Preparation method is as follows:
A, graphene oxide is joined in purified water, stir evenly;
B, fiber dressing matrix is placed in hot environment under activation;
C, the fiber dressing matrix after activation is soaked in graphene oxide solution, airtight vacuumizes;
D, take out the fiber dressing matrix that soaked and be placed in hot environment under freeze-day with constant temperature;
The VITAMIN working fluid of e, preparation VB1, VB2 and VB6, and being immersed in VITAMIN working fluid by dried fiber dressing matrix, airtight vacuumizes;
F, take out and soaked the fiber dressing matrix low-temperature vacuum drying of VITAMIN working fluid;
G, pretreated fiber dressing matrix and non-setting adhesive non-woven fabrics, single silicon separate-type paper are placed on applicator jointly, through cutting out, after the operation such as compressing tablet, make applying ointment or plaster of required specification, package and obtained Graphene antibiosis casting product after completing sterilization.
2. a kind of Graphene antibiosis dressing as claimed in claim 1, it is characterised in that: described fiber dressing matrix is carbon fiber needle punched non-woven fabrics.
3. a kind of Graphene antibiosis dressing as claimed in claim 2, it is characterised in that: described preparation method is as follows:
A, graphene oxide is joined in purified water, make the graphene oxide solution of 0.4wt%, stir evenly;
4-6h is activated at b, the temperature that carbon fiber acupuncture nonwoven is arranged in 105-140 DEG C;
C, the carbon fiber needle punched non-woven fabrics after activation is soaked in graphene oxide solution, airtight vacuumizes 20-40min;
D, take out the carbon fiber acupuncture nonwoven that soaked and be arranged in 105-140 DEG C of temperature under freeze-day with constant temperature 4-10h;
The VITAMIN working fluid of e, preparation VB1, VB2 and VB6, the concentration of VB1, VB2 and VB6 is 0.2mg/L, and is immersed in VITAMIN working fluid by dried carbon fiber needle punched non-woven fabrics, airtight vacuumizes 20-40min;
F, take out and soaked carbon fiber needle punched non-woven fabrics vacuum-drying 3-5h under the temperature condition of 50-60 DEG C of VITAMIN working fluid;
G, pretreated carbon fiber needle punched non-woven fabrics and non-setting adhesive non-woven fabrics, single silicon separate-type paper are placed on applicator jointly, through cutting out, after the operation such as compressing tablet, make applying ointment or plaster of required specification, package and obtained Graphene antibiosis casting product after completing sterilization.
4. a kind of Graphene antibiosis dressing as claimed in claim 3, it is characterised in that: described preparation method also comprises between step c and d step c1: the carbon fiber acupuncture nonwoven of immersion peroxidation graphene solution is arranged in the aqueous agar solution of 60 DEG C of 0.1wt% and soaks 30min.
5. a kind of Graphene antibiosis dressing as described in claim 3 or 4, it is characterised in that: described preparation method is as follows:
A, graphene oxide is joined in purified water, make the graphene oxide solution of 0.4wt%, stir evenly;
5h is activated at b, the temperature that carbon fiber acupuncture nonwoven is arranged in 110 DEG C;
C, the carbon fiber needle punched non-woven fabrics after activation is soaked in graphene oxide solution, airtight vacuumizes 30min;
D, take out the carbon fiber acupuncture nonwoven that soaked and be arranged in 105 DEG C of temperature under freeze-day with constant temperature 8h;
The VITAMIN working fluid of e, preparation VB1, VB2 and VB6, the concentration of VB1, VB2 and VB6 is 0.2mg/L, and is immersed in VITAMIN working fluid by dried carbon fiber needle punched non-woven fabrics, airtight vacuumizes 30min;
F, take out and soaked carbon fiber needle punched non-woven fabrics vacuum-drying 4h under the temperature condition of 60 DEG C of VITAMIN working fluid;
G, pretreated carbon fiber needle punched non-woven fabrics and non-setting adhesive non-woven fabrics, single silicon separate-type paper are placed on applicator jointly, through cutting out, after the operation such as compressing tablet, make applying ointment or plaster of required specification, package and obtained Graphene antibiosis casting product after completing sterilization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610149633.8A CN105617441B (en) | 2016-03-16 | 2016-03-16 | Antibacterial graphene dressing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610149633.8A CN105617441B (en) | 2016-03-16 | 2016-03-16 | Antibacterial graphene dressing |
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| CN105617441A true CN105617441A (en) | 2016-06-01 |
| CN105617441B CN105617441B (en) | 2017-04-26 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108210990A (en) * | 2016-12-21 | 2018-06-29 | 戴清仪 | It is a kind of using graphene oxide as the new liquid adhesive bandage of antibacterial components |
| CN109364286A (en) * | 2018-10-19 | 2019-02-22 | 合肥中科卫云健康科技有限公司 | A kind of graphene oxide composite nano fiber structure dressing and preparation method |
| CN114642539A (en) * | 2022-03-08 | 2022-06-21 | 河南省超亚医药器械有限公司 | Antibacterial breathable hot compress patch based on graphene composite non-woven fabric |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201389127Y (en) * | 2009-04-09 | 2010-01-27 | 周如义 | Carbon fiber plaster application |
| WO2013134107A1 (en) * | 2012-03-06 | 2013-09-12 | Emory University | Nanoenhanced hemostatic device and methods for making a layer having hemostatic properties |
| CN204814428U (en) * | 2015-07-30 | 2015-12-02 | 南阳市汇博生物技术有限公司 | Dressing of compound activated carbon fiber wound |
| CN105288695A (en) * | 2015-11-17 | 2016-02-03 | 张建刚 | Adhesive bandage containing graphene oxide ingredient and preparation method thereof |
-
2016
- 2016-03-16 CN CN201610149633.8A patent/CN105617441B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201389127Y (en) * | 2009-04-09 | 2010-01-27 | 周如义 | Carbon fiber plaster application |
| WO2013134107A1 (en) * | 2012-03-06 | 2013-09-12 | Emory University | Nanoenhanced hemostatic device and methods for making a layer having hemostatic properties |
| CN204814428U (en) * | 2015-07-30 | 2015-12-02 | 南阳市汇博生物技术有限公司 | Dressing of compound activated carbon fiber wound |
| CN105288695A (en) * | 2015-11-17 | 2016-02-03 | 张建刚 | Adhesive bandage containing graphene oxide ingredient and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108210990A (en) * | 2016-12-21 | 2018-06-29 | 戴清仪 | It is a kind of using graphene oxide as the new liquid adhesive bandage of antibacterial components |
| CN109364286A (en) * | 2018-10-19 | 2019-02-22 | 合肥中科卫云健康科技有限公司 | A kind of graphene oxide composite nano fiber structure dressing and preparation method |
| CN114642539A (en) * | 2022-03-08 | 2022-06-21 | 河南省超亚医药器械有限公司 | Antibacterial breathable hot compress patch based on graphene composite non-woven fabric |
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| CN105617441B (en) | 2017-04-26 |
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