CN109592682A - Supply the amenities of carbon dioxide gas - Google Patents
Supply the amenities of carbon dioxide gas Download PDFInfo
- Publication number
- CN109592682A CN109592682A CN201710920250.0A CN201710920250A CN109592682A CN 109592682 A CN109592682 A CN 109592682A CN 201710920250 A CN201710920250 A CN 201710920250A CN 109592682 A CN109592682 A CN 109592682A
- Authority
- CN
- China
- Prior art keywords
- carbon dioxide
- amenities
- sodium bicarbonate
- dioxide gas
- carbonate
- 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.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/84—Accessories, not otherwise provided for, for absorbent pads
- A61F13/8405—Additives, e.g. for odour, disinfectant or pH control
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H33/00—Bathing devices for special therapeutic or hygienic purposes
- A61H33/14—Devices for gas baths with ozone, hydrogen, or the like
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/84—Accessories, not otherwise provided for, for absorbent pads
- A61F13/8405—Additives, e.g. for odour, disinfectant or pH control
- A61F2013/8408—Additives, e.g. for odour, disinfectant or pH control with odour control
- A61F2013/8414—Additives, e.g. for odour, disinfectant or pH control with odour control with anti-microbic
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H33/00—Bathing devices for special therapeutic or hygienic purposes
- A61H33/14—Devices for gas baths with ozone, hydrogen, or the like
- A61H2033/145—Devices for gas baths with ozone, hydrogen, or the like with CO2
Abstract
The present invention is to provide a kind of amenities with supply carbon dioxide gas, which includes supply carbon dioxide unit；The supply carbon dioxide unit includes solid acid and solid sodium bicarbonate (sodium bicarbonate) or metal carbonate, and metal carbonate includes magnesium carbonate, calcium carbonate, sodium carbonate or potassium carbonate；The amenities include sanitary napkin, tapon, puerperium pad, panty liner, diaper, diaper pants, eyeshade, facial mask, chest patch, insole, Discardable underwear trousers, OK stretch tight, wound dressing；The carbon dioxide unit contacts body fluids and generates carbon dioxide, increases the density of carbon dioxide gas of body surface.
Description
Technical field
The present invention relates to a kind of amenities for supplying carbon dioxide gas, wherein comprising can be supplied to carbon dioxide gas
Unit, increase the gas concentration lwevel of body surface subenvironment.
Background technique
Air main component is nitrogen, oxygen, carbon dioxide and vapor, and wherein nitrogen accounts for 78%, and oxygen accounts for 21%, and carbon dioxide accounts for
0.03%, wherein oxygen and carbon dioxide and human physiological's state are closely bound up, and it is each that oxygen via blood circulation is transported to body
Place, via aerobic respiration, grape is glycoxidative, energy can be provided for each organ of body by generating carbon dioxide, water and energy, oxygen
Amount.
Other than lung, skin can also be breathed, the especially oxygen of the gas in air, can be entered in vivo via skin, and
Carbon dioxide is then discharged via skin with aqueous vapor.When contact lens wear overlong time, it is easy to cause blood vessel because of cornea anoxic
Hyperplasia, and have red eye phenomenon.The women to like to be beautiful also because of long-time heavy make-up, makes skin anoxic, causes the colour of skin wax yellow.
The regulation of effect of carbon dioxide breathing, oxygen and carbon dioxide exchange between blood and body cell, and usual people's exhales
Suction movement is to cause to get excited to stimulate the respiratory center of brain stem according to the carbonated number of institute in blood, makes diaphragm
Flesh and intercostal muscle generate contraction, and when strenuous exercise, the carbon dioxide in blood increases, and will stimulate brain stem, and breathing is promoted to add
Fastly, blood vessel dilatation is used and excludes excessive carbon dioxide.
Carbon dioxide has inhibition effect for insect, evil bacterium.Anaerobic bacteria is more than 18% or carbon dioxide content in oxygen content
In environment more than 10%, oxygen machine upper surface can not be accompanied to grow in solid, that is, hyperplasia will not be bred.The granary of storage of granular materials
Filling arbon dioxide can reduce pest number, in gas concentration lwevel up to 60%, maintain the elder brother that can kill all kinds for 4 days
Worm.
Also there are many pest, evil bacterium to exist for human body surface.Acarid is the microorganism for colonizing in skin surface, is with the naked eye seen
Less than, it can gradually corrode our skin after occurring, skin is caused rugged or small pox occur, cause skin tired
It disturbs.The common infection of private parts is as caused by anaerobic bacteria, candida albicans and trichomonas infection.
Although carbon dioxide has effects that breathing, expansion blood vessel can be regulated and controled, effectively inhibits insect, evil bacterium growth,
The mankind can not be in for a long time in the environment of high carbon dioxide, therefore how improve body part gas concentration lwevel, without influencing
The gas sucked by nasal cavity, to increase skin blood circulation, improvement skin anaerobic condition, inhibit insect growth, inhibition evil bacterium raw
It is long, become the important topic of the invention to be solved herein.
Summary of the invention
In view of the utensil for supplying body part carbon dioxide is not easily carried in the streets, inventor is by permanent
Design and research, the present invention provide one supply carbon dioxide gas amenities, contact human body sweat, aqueous vapor, warp
The moisture such as blood can react generation carbon dioxide, promote body part gas concentration lwevel.
The purpose of the present invention is to be to provide a kind of amenities for supplying carbon dioxide gas, which includes to supply
Give carbon dioxide unit；The carbon dioxide unit contacts body fluids and generates carbon dioxide, makes the carbon dioxide gas of body surface
Bulk concentration increases.
For up to aforementioned invention purpose, the supply carbon dioxide unit include solid acid and solid sodium bicarbonate (sodium bicarbonate) or
Metal carbonate.
For up to aforementioned invention purpose, metal carbonate includes magnesium carbonate, calcium carbonate, sodium carbonate or potassium carbonate.
For up to aforementioned invention purpose, which is lactic acid or/and citric acid.
To can further include supply oxygen list up to the amenities of aforementioned invention purpose, the supply carbon dioxide gas
Member.
For up to aforementioned invention purpose, which includes solid oxygen source.
For up to aforementioned invention purpose, which is selected from by peromag, calper calcium peroxide, peroxidating.
Group composed by sodium and potassium peroxide.
For up to aforementioned invention purpose, which can further be added catalase.
For up to aforementioned invention purpose, the amenities include sanitary napkin, tapon, puerperium pad, panty liner, diaper,
Diaper pants, eyeshade, facial mask, chest patch, insole, Discardable underwear trousers, OK be taut, wound dressing.Another object of the present invention is to mention
For a kind of purposes of amenities as the aforementioned, which generates high concentration carbon dioxide gas via in body part,
And make local Marjoram Extract.
Another object of the present invention is to provide a kind of purposes of amenities as the aforementioned, and the amenities is via in body
Body is locally generated high concentration carbon dioxide gas, and regionality suppresses growth of microorganism.
For up to aforementioned invention purpose, which is anaerobic bacteria, trichomonad or candida albicans.
Another object of the present invention is to provide a kind of purposes of amenities as the aforementioned, amenities warps
By generating high concentration carbon dioxide gas in body part, and regionality inhibits insect growth.
For up to aforementioned invention purpose, which is acarid, flea or louse.
The amenities of supply carbon dioxide gas of the invention has the advantage that
1. use is simple, is convenient for carrying, allotment or plug-in are not needed, being placed directly in human body surface can use.
2. body part density of carbon dioxide gas increases, Marjoram Extract is caused, and is promoted blood circulation.
3. body part density of carbon dioxide gas increases, inhibit superficial microbes growth, and reduces infection.
4. body part density of carbon dioxide gas increases, inhibit body surface insect growth.
Detailed description of the invention
Fig. 1 is schematic diagram of the invention, to show that one kind can provide the function layer structure (1) of carbon dioxide gas
Aspect, the function layer structure sequentially include airtight layer (11) and supply carbon dioxide layer (12)；
Fig. 2 is schematic diagram of the invention, to show that one kind can provide the state of carbon dioxide gas function layer structure (1)
Sample, the function layer structure sequentially include airtight layer (11), supply carbon dioxide layer (12) and air-permeable layer (13)；
Fig. 3 is a preferred embodiment of the present invention using schematic diagram, to show that one kind can provide carbon dioxide gas
The aspect of sanitary napkin；
Fig. 4 A is a preferred embodiment of the present invention using schematic diagram, to show that one kind can provide carbon dioxide gas
On the inside of facial mask；
Fig. 4 B is a preferred embodiment of the present invention using schematic diagram, a kind of facial mask side that can provide carbon dioxide gas
Face figure；
Symbol description
1 function layer structure
11 airtight layers
12 supply carbon dioxide layers
121 solid sodium bicarbonates
122 solid acids
13 air-permeable layers
2 sanitary napkins
3 facial masks
On the inside of 31 facial masks
On the outside of 32 facial masks.
Specific embodiment
The present invention is to be demonstrated to illustrating with the following examples, but the present invention is not limited by following embodiments.
The purpose of the present invention is to be to provide a kind of amenities for supplying carbon dioxide gas, and it includes supply titanium dioxides
Carbon unit can generate carbon dioxide gas with the contact with moisture of human body discharge, increase body part gas concentration lwevel.
Embodiment 1
Sanitary napkin with sodium bicarbonate (sodium bicarbonate) and citric acid
3NaHCO3+C3H4(OH)(COOH)3→C3H4(OH)(COONa)3+3H2O+CO2
Shi Chenggan is not used containing 0.7 g of citric acid and 0.5 g of sodium bicarbonate (sodium bicarbonate), sanitary napkin in sanitary napkin
Dry, sodium bicarbonate (sodium bicarbonate) therein and citric acid are all in solid-like；Cotton wool in use, contact menses or other moisture,
Make sodium bicarbonate (sodium bicarbonate) start to react with citric acid, generates carbon dioxide gas, in closed small space, carbon dioxide is dense
Degree can be more than 10%.
Sanitary napkin using effect: using the aforementioned sanitary napkin with sodium bicarbonate (sodium bicarbonate) and citric acid in physiology phase,
There is air-flow sense when use, feel nice and cool；The menses of physiology phase be easy to cause peculiar smell because of nutrition rich in, bacterium easy to breed
It generates, as a control group with general sanitary napkin, is shed bad smell using sanitary napkin general after 2 hours, and it is aforementioned with bicarbonate
The sanitary napkin of sodium (sodium bicarbonate) and citric acid is after using 2 hours without generating peculiar smell.
Aforementioned sodium bicarbonate (sodium bicarbonate) can be replaced with metal carbonate such as magnesium carbonate, calcium carbonate, sodium carbonate or potassium carbonate.
Embodiment 2
Panty liner with sodium bicarbonate (sodium bicarbonate) and lactic acid
NaHCO3+CH3CH(OH)COOH→CH3CH(OH)COONa+H2O+CO2
Contain 1.5 g of lactic acid and 0.5 g of sodium bicarbonate (sodium bicarbonate) in panty liner, panty liner is in when being not used
Dry, sodium bicarbonate (sodium bicarbonate) therein and lactic acid are all in solid-like；Panty liner is in use, contact sweat or other water
Point, make sodium bicarbonate (sodium bicarbonate) start to react with lactic acid, generates carbon dioxide gas, in closed small space, carbon dioxide
Concentration can be more than 10%.
Panty liner using effect:
The aforementioned panty liner with sodium bicarbonate (sodium bicarbonate) and lactic acid is used in non-physiology phase, there is air-flow in when use
Sense is felt nice and cool；As a control group with general panty liner, it is shed sweat peculiar smell using panty liner general after 3 hours, and aforementioned carbon
The panty liner of sour hydrogen sodium (sodium bicarbonate) and citric acid is after using 3 hours without generating peculiar smell.
It replaces within protection pad every 3 hours, is used continuously in panty liner 7 days, 7 days with sodium bicarbonate (sodium bicarbonate) and lactic acid
Between there is no private parts infection.
Aforementioned sodium bicarbonate (sodium bicarbonate) can be replaced with metal carbonate such as magnesium carbonate, calcium carbonate, sodium carbonate or potassium carbonate.
Embodiment 3
Facial mask with sodium bicarbonate (sodium bicarbonate) and citric acid
3NaHCO3+C3H4(OH)(COOH)3→C3H4(OH)(COONa)3+3H2O+CO2
Contain 1 g of citric acid and 0.8 g of sodium bicarbonate (sodium bicarbonate) in facial mask, be in drying when facial mask is not used,
In sodium bicarbonate (sodium bicarbonate) and citric acid be all in solid-like；Aqueous vapor or other moisture are discharged in use, contacting skin in facial mask,
Make sodium bicarbonate (sodium bicarbonate) start to react with citric acid, generates carbon dioxide gas, in closed small space, carbon dioxide is dense
Degree can be more than 10%.
Facial mask using effect:
The aforementioned facial mask with sodium bicarbonate (sodium bicarbonate) and citric acid is placed in 15~20 minutes on the face, Shi Youqi is used
Influenza is felt nice and cool, and after removing facial mask, the colour of skin is ruddy and black eye is thin out.It further sprays water and uses on facial mask, the life of carbon dioxide
At more, air-flow sense is become apparent from.
One 25 years old woman, original acarid and whelk perplex, skin smooth, youth after using facial mask 2 times, 4 weeks weekly
Acne reduces, does not have acarid.
Aforementioned sodium bicarbonate (sodium bicarbonate) can be replaced with metal carbonate such as magnesium carbonate, calcium carbonate, sodium carbonate or potassium carbonate.
Embodiment 4
Eyeshade with sodium bicarbonate (sodium bicarbonate) and lactic acid
NaHCO3+CH3CH(OH)COOH→CH3CH(OH)COONa+H2O+CO2
Contain 0.7 g of lactic acid and 0.2 g of sodium bicarbonate (sodium bicarbonate) in eyeshade, be in drying when eyeshade is not used,
In sodium bicarbonate (sodium bicarbonate) and lactic acid be all in solid-like；Eyeshade makes sodium bicarbonate in use, contact sweat or other moisture
(sodium bicarbonate) starts to react with lactic acid, generates carbon dioxide gas, in closed small space, gas concentration lwevel can be more than
10%.
Eyeshade using effect: because of extended wear contact lenses, eyes generate the trace of blood, have sodium bicarbonate (little Su for aforementioned
Make) be put in 30 scores of kinds at the moment with the eyeshade of lactic acid, there is air-flow sense, nice and cool in when use, after removing eyeshade, the trace of blood of eyes disappear and
Black eye is thin out.
Aforementioned sodium bicarbonate (sodium bicarbonate) can be replaced with metal carbonate such as magnesium carbonate, calcium carbonate, sodium carbonate or potassium carbonate.
Embodiment 5
The OK that carbon dioxide and oxygen can be generated is taut
2CaO2+2H2O→2Ca(OH)2+O2
Comprising sodium bicarbonate (sodium bicarbonate), lactic acid and calper calcium peroxide in OK is taut, OK is in drying, carbon therein when taut unused
Sour hydrogen sodium (sodium bicarbonate), lactic acid and calper calcium peroxide are all in solid-like；OK is taut in use, contact sweat or other moisture, make carbonic acid
Hydrogen sodium (sodium bicarbonate) starts to react with lactic acid generates carbon dioxide gas, and calper calcium peroxide reaction is made to generate oxygen.Calper calcium peroxide can
By other peroxidating metals such as peromag, sodium peroxide and potassium peroxide substitution.
Catalase can further be added in OK is taut, wherein calper calcium peroxide, which absorbs moisture, can generate calcium hydroxide and peroxide
Change hydrogen, hydrogen peroxide, which meets catalase (catalase, abbreviation CAT), can quickly generate oxygen, and reaction equation is as follows:
2CaO2+4H2O→2Ca(OH)2+2H2O2
OK stretches tight using effect: by the aforementioned OK that carbon dioxide and oxygen can be generated is taut be affixed on and used on wound when have air-flow
Sense is felt nice and cool, and wound does not infect after 2 days.
Aforementioned sodium bicarbonate (sodium bicarbonate) can be replaced with metal carbonate such as magnesium carbonate, calcium carbonate, sodium carbonate or potassium carbonate.
Above-listed detailed description is illustrating for possible embodiments of the invention, and only the embodiment is not to limit
The scope of the patents of the invention, all equivalence enforcements or change without departing from carried out by technical spirit of the present invention, is intended to be limited solely by this case
In the scope of the patents.
Claims (14)
1. a kind of amenities for supplying carbon dioxide gas, which includes supply carbon dioxide unit；
The carbon dioxide unit contacts body fluids and generates carbon dioxide, increases the density of carbon dioxide gas of body surface.
2. amenities according to claim 1, which is characterized in that the supply carbon dioxide unit include solid acid with
Solid sodium bicarbonate or metal carbonate.
3. amenities according to claim 2, which is characterized in that the solid acid is lactic acid or/and citric acid.
4. amenities according to claim 2, which is characterized in that the metal carbonate includes magnesium carbonate, calcium carbonate, carbon
Sour sodium or potassium carbonate.
5. amenities according to claim 1, which is characterized in that the amenities can further include supply oxygen
Unit.
6. amenities according to claim 5, which is characterized in that the supply oxygen cell includes solid oxygen source.
7. amenities according to claim 6, which is characterized in that the solid oxygen source is selected from by peromag, mistake
Group composed by calcium oxide, sodium peroxide and potassium peroxide.
8. amenities according to claim 5, which is characterized in that peroxide can be further added in the supply oxygen cell
Change hydrogen enzyme.
9. amenities according to claim 1, which is characterized in that the amenities include sanitary napkin, tapon,
Puerperium pad, panty liner, diaper, diaper pants, eyeshade, facial mask, chest patch, insole, Discardable underwear trousers, OK be taut, wound dressing.
10. a kind of purposes of amenities as claimed in any one of claims 1 to 9 wherein, the amenities is via in body office
Portion generates high concentration carbon dioxide gas, and makes local Marjoram Extract.
11. a kind of purposes of amenities as claimed in any one of claims 1 to 9 wherein, the amenities is via in body office
Portion generates high concentration carbon dioxide gas, and regionality suppresses growth of microorganism.
12. purposes described in 1 according to claim 1, which is anaerobic bacteria, trichomonad or candida albicans.
13. a kind of purposes of amenities as claimed in any one of claims 1 to 9 wherein, the amenities is via in body office
Portion generates high concentration carbon dioxide gas, and regionality inhibits insect growth.
14. purposes described in 3 according to claim 1, which is characterized in that the insect is acarid, flea or louse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710920250.0A CN109592682A (en) | 2017-09-30 | 2017-09-30 | Supply the amenities of carbon dioxide gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710920250.0A CN109592682A (en) | 2017-09-30 | 2017-09-30 | Supply the amenities of carbon dioxide gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109592682A true CN109592682A (en) | 2019-04-09 |
Family
ID=65956729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710920250.0A Pending CN109592682A (en) | 2017-09-30 | 2017-09-30 | Supply the amenities of carbon dioxide gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109592682A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020261187A1 (en) * | 2019-06-28 | 2020-12-30 | Systagenix Wound Management, Limited | Multi-layered biopolymer film dressing to combat wound biofilm |
| WO2021208060A1 (en) * | 2020-04-17 | 2021-10-21 | 咏达生医材料股份有限公司 | Gas supply device, use thereof for lightening hair color and method |
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|---|---|---|---|---|
| CN101068610A (en) * | 2004-09-23 | 2007-11-07 | 乔·大卫·琼斯 | Removing carbon dioxide from waste streams through co-generation of carbonate and/or bicarbonate minerals |
| CN102482101A (en) * | 2009-09-29 | 2012-05-30 | 爱信精机株式会社 | Carbon Dioxide Gas Processing Apparatus And Method For Processing Carbon Dioxide Gas |
| CN204727606U (en) * | 2015-04-30 | 2015-10-28 | 曹荣华 | The ventilating structure of tool oxygen gas-supplying and negative oxygen ion function |
| CN106398923A (en) * | 2015-07-28 | 2017-02-15 | 自然株式会社 | A method for producing a solid soap for producing carbon dioxide |
| CN107117582A (en) * | 2016-02-24 | 2017-09-01 | 曹荣华 | It is a kind of locally quickly to produce the composition of oxygen |
-
2017
- 2017-09-30 CN CN201710920250.0A patent/CN109592682A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101068610A (en) * | 2004-09-23 | 2007-11-07 | 乔·大卫·琼斯 | Removing carbon dioxide from waste streams through co-generation of carbonate and/or bicarbonate minerals |
| CN102482101A (en) * | 2009-09-29 | 2012-05-30 | 爱信精机株式会社 | Carbon Dioxide Gas Processing Apparatus And Method For Processing Carbon Dioxide Gas |
| CN204727606U (en) * | 2015-04-30 | 2015-10-28 | 曹荣华 | The ventilating structure of tool oxygen gas-supplying and negative oxygen ion function |
| CN106398923A (en) * | 2015-07-28 | 2017-02-15 | 自然株式会社 | A method for producing a solid soap for producing carbon dioxide |
| CN107117582A (en) * | 2016-02-24 | 2017-09-01 | 曹荣华 | It is a kind of locally quickly to produce the composition of oxygen |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020261187A1 (en) * | 2019-06-28 | 2020-12-30 | Systagenix Wound Management, Limited | Multi-layered biopolymer film dressing to combat wound biofilm |
| WO2021208060A1 (en) * | 2020-04-17 | 2021-10-21 | 咏达生医材料股份有限公司 | Gas supply device, use thereof for lightening hair color and method |
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