CN111387589A - Surgical medical protective mask and preparation method thereof - Google Patents
Surgical medical protective mask and preparation method thereof Download PDFInfo
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- CN111387589A CN111387589A CN202010148926.0A CN202010148926A CN111387589A CN 111387589 A CN111387589 A CN 111387589A CN 202010148926 A CN202010148926 A CN 202010148926A CN 111387589 A CN111387589 A CN 111387589A
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Classifications
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
- A41D13/1107—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape
- A41D13/113—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape with a vertical fold or weld
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
- A41D13/1192—Protective face masks, e.g. for surgical use, or for use in foul atmospheres with antimicrobial agent
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D27/00—Details of garments or of their making
- A41D27/02—Linings
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/04—Materials specially adapted for outerwear characterised by special function or use
- A41D31/30—Antimicrobial, e.g. antibacterial
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/15—Proteins or derivatives thereof
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention relates to a protective article, in particular to a surgical medical protective mask and a preparation method and application thereof, and belongs to the technical field of biomedicine. The biological antiviral surgical medical mask comprises a mask main body and a fixing structure, wherein the mask main body comprises a protective layer, a filter layer and a liner layer, the protective layer and the liner layer are made of chemical fiber cloth soaked with sweet potato essence, and the filter layer comprises a medical filter membrane; the filtering layer is arranged between the protective layer and the precipitation layer. The invention is a new milestone applied to the scientific field by traditional Chinese medicine, can not only filter dust particles by 99 percent, but also has the functions of antivirus and antianaphylaxis, is suitable for chemical production, enterprise production, schools and medical care personnel, and is particularly suitable for the operation of surgeons. The mask disclosed by the invention is good in air permeability, flexible but not greasy, customized by hand, practical and durable.
Description
Technical Field
The invention relates to a protective article, in particular to a surgical medical protective mask and a preparation method thereof, and belongs to the technical field of biomedicine.
Background
The sweet potato is a sprawling plant, is rich in nutrition and has health promotion effect. Also known as sweet potato, sweet potato and the like, the planting amount in China is large at present, and the total yield is high. Pharmacological research shows that: the sweet potato has the effects of improving immunity, improving digestion function, reducing blood fat and blood sugar, resisting oxidation, mutation and tumor, promoting kidney reparation, etc.
Although the annual output of sweet potatoes is high in China, the deep processing amount is low, and most of the sweet potatoes are used for products such as livestock feed, starch, vermicelli, white spirit, potato chips and the like. The sweet potato contains 60-80% of water, 10-30% of starch, 5% of sugar, 0.8-1.2% of protein, a small amount of grease, fiber, pectin and ash, particularly lysine which is relatively deficient in grain and cereal food, has higher content in the sweet potato, and in addition, the sweet potato contains rich vitamins, such as carotene, vitamin A, B, C, E and other functional components, wherein the starch is also easily absorbed by human body. The sweet potato is rich in nutrition, and has disease-removing and health-care effects, such as cardiovascular elasticity protecting, digestive tract, respiratory tract and joint cavity lubricating, constipation and intestinal tract diseases preventing, immunity enhancing, etc.
At present, the mask gradually becomes a protective article required by life and work of people, and the medical surgical mask is suitable for basic protection of medical staff or related personnel and protection for preventing blood, body fluid and splashed objects from spreading in the operation process; dust masks are worn by sanitation workers and workers in workplaces with much dust; the mask is worn by food sanitation manufacturing and selling personnel and canteen cookers; in common people, particularly spring and autumn and in epidemic seasons, people wear the mask for preventing haze, allergy and the like. The mask plays a positive role in preventing the spread of diseases and isolating haze, dust and the like.
Common masks include gauze masks, cotton masks, medical non-woven masks, daily protective masks, dust masks, smoke-proof masks, activated carbon masks, and the like.
When the mask is worn for operation in an anti-allergic, dust environment or polluted environment, the mask has a very good effect of protecting the respiratory tract of a human body.
Disclosure of Invention
The invention aims to provide a surgical medical protective mask and a preparation method thereof.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
the invention firstly provides a surgical medical protective mask, which comprises a mask main body, a fixing structure and a nose protecting band;
the fixing structure is used for enabling the mask to be attached to the face and not prone to slipping off and comprises a hanging loop rope, a tying belt or an elastic fixing belt with a magic tape; the fixed structure is connected to the left side and the right side of the mask main body; the length of the hangers can be adjusted by the ropes or the laces;
the mask main body can be folded, is fan-shaped when being folded and is unfolded to be horn-shaped;
the nose protecting band is arranged at the position of the nose bridge in the mask, so that the mask can be attached and prevented from sliding down.
The mask main body comprises a protective layer, a filter layer and a cushion layer, and is sewn by a motor;
the filter layer is made of chemical fiber cloth soaked with sweet potato extract, and further the sweet potato extract is a diluent of sweet potato extract, and is obtained by diluting 1g of sweet potato extract with 10m L of distilled water.
Further, the filter layer comprises 1-2 layers of chemical fiber cloth with the chemical fiber content of 30 percent
70% of cotton content is distributed, so that water and active ingredients can be effectively locked; and the chemical fiber cloth is soft.
The protective layer and the liner layer respectively comprise 1-2 layers of non-woven fabrics.
The invention also provides a preparation method of the surgical medical protective mask, which comprises the following steps:
(1) sequentially stacking 1-2 layers of non-woven fabrics, 1-2 layers of 30% chemical fiber cloth and 1-2 layers of non-woven fabrics;
the 30% chemical fiber cloth is soaked with sweet potato extract;
(2) cutting a plate, and sewing by a motor; the mask fixing structures are fixed on the two sides of the mask main body;
(3) cleaning the mask with purified water, distilled water, deionized water or domestic water, and centrifuging to dewater
And dried.
It should be noted that the step cannot be disinfected by alcohol or 84 disinfectant, and the nonwoven fabric is damaged by the alcohol or 84, or water, air and dust are leaked after being corroded, so that the protective effect cannot be achieved.
In the mask preparation process, the mask can also be made of conventional chemical fiber cloth which is not soaked by sweet potato extract, and the mask after dehydration is only required to be completely soaked in sweet potato extract to be completely soaked, and then is centrifugally dehydrated again and dried by adopting a dehumidifier.
Further, the sweet potato essence is 1g of sweet potato essence diluted by 10m L of distilled water.
(4) And packaging the finished product in a clean room.
The invention has the following beneficial effects:
the mask is soaked with the prepared sweet potato extract, and the extract has the effects of resisting virus, resisting allergy, diminishing inflammation and regulating acid-base balance. The mask adopts an interlayer design, the middle of the mask is provided with a filter layer, the filter layer is made of chemical fiber cloth soaked with sweet potato extract, the mask is good and soft in air permeability, and can effectively filter bacteria, tiny particles, anti-allergy and anti-inflammation, and the sweet potato extract is a pure plant sweet potato extract and is non-toxic and harmless; meanwhile, the defect of poor antiallergic effect of the existing mask is overcome, granular substances in the air can be effectively blocked, and viruses or allergic substances can be effectively isolated from the mask through breathing into the human body, so that the mask is suitable for popularization. The mask is simple in structure, convenient to manufacture and suitable for popularization. In addition, raw materials for preparing the sweet potato essence soaked in the mask preparation process are economical and easy to prepare. The mask of the invention reserves enough space for the mouth and the nose to prevent the situation that the speaking is not clear enough and the fresh air achieves the alternating action when breathing normally.
The mask prepared by the invention can be folded, is convenient to carry and does not occupy space; and can be recycled, and after not more than 4 hours of use, the sweet potato slices can be cleaned by using a hand sanitizer, water is wrung out, the sweet potato slices are heated and sterilized in a microwave oven for 1 minute, and then the sweet potato slices are immersed in the sweet potato extracting solution again, dried and reused. The mask can be repeated for 4-5 times, is made of cloth materials, is easy to degrade in natural environment, needs 6 months at most to be digested, saves raw materials and processing cost, and reduces the pollution of wastes to the environment.
Drawings
FIG. 1 is an extracted sweet potato extract as a solid white powder;
FIG. 2 shows the impedance effect of the chemical fiber cloth impregnated with the sweet potato extract on sulfuric acid, wherein a is the chemical fiber cloth impregnated with the sweet potato extract, and b is the chemical fiber cloth not impregnated with the sweet potato extract.
FIG. 3 shows the barrier effect of the chemical fiber cloth soaked by the sweet potato extract on the particles;
FIG. 4 is a perspective view of a surgical medical protective mask according to the present invention;
fig. 5 is an exploded view of the interior of the mask body of the surgical protective mask according to the present invention;
FIG. 6 is a reverse side of an expanded perspective view of the surgical protective mask of the present invention;
FIG. 7 is a front perspective view of the surgical medical protective mask of the present invention in an expanded configuration;
fig. 8 is a folded view of the surgical protective mask of the present invention.
Fig. 9 is a test of the effect of the sweet potato extract of the present invention on sulfuric acid burn, wherein a is before use and b is after use.
Fig. 10 is a test of the effect of the sweet potato extract of the present invention on anti-allergy, wherein a is before use and b is after use.
In the figure, 1, a mask body; 2. a fixed structure; 3. a fold line; 4. a nose protecting band; 5. pressing the edges at the peak value; 6. the fixed structure is connected with the mask main body; 7. a backing layer; 8. a filter layer; 9. and (4) a protective layer.
Detailed Description
The technical solutions of the present invention are further described below with reference to specific examples to enable those skilled in the art to better understand the present invention, but the scope of the present invention is not limited to the contents described in the examples.
Example 1: extraction method of sweet potato extract
(1) Cleaning and peeling: taking 5kg of sweet potatoes, and cleaning soil impurities on the surfaces of the sweet potatoes;
(2) adding distilled water, tap water or domestic water, pulverizing, and grinding to obtain mixture containing soluble substances such as starch, fiber, protein, mineral, etc.;
(3) separating the sweet potato residue from the emulsion by using a centrifugal sieve (100 meshes);
(4) sand removal: a sand remover is used to remove some of the sand and particles from the emulsion.
(5) Starch separation: washing starch in a countercurrent mode by using a cyclone, separating the starch from other impurities to generate washing liquid, wherein the obtained washing liquid contains protein and trace elements;
(6) high-efficiency liquid concentration: filtering with a filter membrane (the filtering diameter is 1 μm) to remove macromolecular water and fine particles;
(7) precipitating a small amount of fine starch, centrifuging the supernatant liquid, and collecting pasty mucus protein;
(8) adding a small amount of ethanol with volume fraction of 10% into the pasty mucus, and filtering with filter membrane (filtering diameter of 1 μm) to obtain viscous ointment; because these pastes are insoluble in water, the paste is better separated by adding ethanol with the volume fraction of 10%.
(9) And (4) adding distilled water to dilute the mixed solution of the ethanol and the pasty mucus obtained in the step (8), and standing. After the ethanol is completely volatilized, freezing below zero to obtain transparent solution, freezing and drying below zero to obtain solid white powdery substance, drying, sealing and storing.
The product obtained in this step must be subjected to a cryogenic freezing treatment in order to obtain a solid white powder (fig. 1). In this example, 0.35-0.38 g of sweet potato extract was extracted from 5kg of sweet potato, and the pH was 7.1.
Collecting a little solid powder of sweet potato extract, collecting strong sulphuric acid 10m L, adjusting pH to 4, adding sweet potato
Extracting solid powder 1g, rapidly dissolving without stirring, and detecting pH value to be 7, simultaneously taking sodium hydroxide 10m L, pH value to be 12, adding sweet potato to extract solid powder 1g, rapidly dissolving without stirring, and detecting pH value to be 7.
Therefore, the sweet potato extract prepared by the invention can well adjust the pH value.
Furthermore, at least one hydroxyl group and one carboxyl group in the sweet potato extract have acid-base equilibrium reaction with sulfuric acid or alkali, so that the sulfuric acid and alkali decomposing effect can be achieved. Hydroxyl is a polar group, (OH) is an important active oxygen, is (OH) hydroxyl in molecular view, loses an electron formation, and has extremely strong electron-gaining capacity, namely oxidation capacity, and when meeting a sulfuric acid solution, ions are recombined to generate salt and water, so that the sulfuric acid solution can be decomposed. When it meets alkali, carboxyl and OH are combined to form acid-base reaction to produce water, so that it can decompose alkali to regulate pH value.
Therefore, the obtained sweet potato extract at least comprises one hydroxyl and one carboxyl, the amino acid or the vegetable protein of the sweet potato extract is judged, the amino acid molecules contain two functional groups of amino and carboxyl, similar to hydroxy acid, the amino acid can be α -amino acid respectively according to the amino connected at different positions of a carbon chain, but the amino acid obtained after protein hydrolysis is α -amino acid and twenty amino acids are basic units of the protein, and the sweet potato extract is an organic compound containing basic amino and acidic carboxyl, namely the obtained sweet potato extract is the sweet potato protein.
Further, the obtained product is detected by product quality supervision and inspection in a persistent market, and all indexes of the product obtained in the embodiment all meet the standard Q/YSKJ001-2018 'pesticide residue clearing', and specific indexes are detailed in the following table:
TABLE 1 test results of products prepared according to the present invention
Example 2: blocking effect of chemical fiber cloth soaked in sweet potato extract on sulfuric acid and particles
The cloth soaked by the sweet potato extracting solution and the 30% chemical fiber cloth not soaked by the sweet potato extracting solution are respectively sprayed on the surface of the cloth by 95% sulfuric acid, and as a result, the sulfuric acid is not soaked in the cloth soaked by the sweet potato extracting solution, and a little leakage exists after 20 minutes (figure 2); and the sulfuric acid is sprayed on the surface of the cloth which is not soaked by the sweet potato extracting solution, and the penetration is instantly generated (figure 2).
Meanwhile, the blocking of particles by 30% of chemical fiber cloth soaked by sweet potato extract was verified, 50m L of distilled water was mixed with 0.5g of ganoderma lucidum spore powder (particles with spore powder diameter of about 2 μm), and the mixture was filtered by 2 kinds of chemical fiber cloth, and after 30min, it was found that there were small water drops falling below the chemical fiber cloth and the spore powder was blocked above the chemical fiber cloth (fig. 3).
Example 3: medical protective mask for surgery
The invention provides a surgical medical protective mask, as shown in fig. 4-8, the mask comprises a mask main body, a suspension loop rope and a nose protecting band;
the ear hanging rope can also be replaced by a lace or an elastic fixing band with a magic tape and is fixedly connected to the left side and the right side of the mask main body; the length of the hangers can be adjusted by the ropes or the laces;
the mask main body can be folded, is fan-shaped when being folded and is unfolded to be horn-shaped;
the nose protecting band is arranged at the position of the nose bridge in the mask, so that the mask can be attached and prevented from sliding down.
The mask main body comprises a protective layer, a filter layer and a cushion layer, and is sewn by a motor;
the filter layer is made of chemical fiber cloth soaked with sweet potato extract, and further the sweet potato extract is a diluent of sweet potato extract, and is obtained by diluting 1g of sweet potato extract with 10m L of distilled water.
The filter layer comprises at least 1-2 layers of chemical fiber cloth with the chemical fiber content of 30%, and the chemical fiber cloth has the cotton content of 70%, so that the moisture and the active ingredients can be effectively locked; and the chemical fiber cloth is soft.
The protective layer and the liner layer respectively comprise at least 1-2 layers of non-woven fabrics.
Example 4: manufacturing method of surgical medical protective mask
(1) Masks with different thicknesses can be prepared according to different requirements:
sequentially stacking 1-2 layers of non-woven fabrics, 1-2 layers of 30% chemical fiber cloth and 1-2 layers of non-woven fabrics;
(2) cutting a plate, sewing by a motor, and fixing the mask hanging lug ropes on two sides of the mask main body; nose protecting band
The non-woven fabric is made into a strip shape and is sewn at the position where the inner wall of the mask is attached to the nose bridge.
(3) Cleaning with purified water, distilled water, deionized water or domestic water, and dewatering.
It should be noted that the step cannot be disinfected by alcohol or 84 disinfectant, and the nonwoven fabric is damaged by the alcohol or 84, or water, air and dust are leaked after being corroded, so that the protective effect cannot be achieved.
(4) Completely soaking the dehydrated mask in sweet potato extractive solution, centrifuging to dewater, and collecting
Drying with a dehumidifier, preferably a constant temperature dehumidifier or constant temperature drying oven (drying temperature 35-38 deg.C).
The sweet potato extract is 1g of sweet potato extract which is diluted by 10m L distilled water and is correspondingly soaked in a piece of mask.
It should be noted that soaking is not required in this process, as long as the mask is allowed to sufficiently absorb the solution, and then centrifuged to dehydrate.
The dehumidifier is selected to dry in the step, disinfection is not needed, the moisture in the mask can be uniformly dispersed, and the effective active ingredients immersed in the mask are not damaged.
Because a small amount of distilled water remains after the mask is immersed in the sweet potato essence, if the mask is dried, the activity of the traditional Chinese medicine is reduced. The freezing water is frozen below zero, and the ice attached to the surface of the mask can fall off as long as the ice is lightly flapped when the mask is taken before packaging, so that the traditional Chinese medicine components are not damaged by the packaging, the mask is clean, soft and smooth, comfortable to wear and really plays a role in protection.
(5) And packaging the finished product in a clean room.
Example 5: manufacturing method of surgical medical protective mask
(1) During the preparation of 30% chemical fiber cloth, sweet potato extract is directly added for soaking. The specific operation is as follows:
diluting 1g of sweet potato extract with 10m L of domestic water to obtain sweet potato extractive solution;
the cloth produced was 1.6 meters wide by 1 meter long, corresponding to 30g of sweet potato extract.
According to the conventional production process of 30% chemical fiber cloth, after the cloth is rinsed, (the drying equipment is the original equipment for drying the cloth after the cloth is rinsed) before the cloth enters the drying equipment, the prepared sweet potato extracting solution is added into a leakage groove, when the cloth enters the drying procedure, the liquid medicine is uniformly sprayed or smeared on the surface of the cloth, after the cloth passes the drying procedure, the cloth is automatically rolled into rolls with the drying temperature of 38-40 ℃ and 200 meters per roll.
(2) The mask with different thicknesses can be directly used according to different requirements:
sequentially stacking 1-2 layers of non-woven fabrics, 1-2 layers of 30% chemical fiber cloth and 1-2 layers of non-woven fabrics;
(2) cutting a plate, sewing by a motor, and fixing the mask hanging lug ropes on two sides of the mask main body; nose protecting band
The non-woven fabric is made into a strip shape and is sewn at the position where the inner wall of the mask is attached to the nose bridge.
(3) Washing with purified water, distilled water, deionized water or domestic water, dewatering, and drying with dehumidifier, preferably constant temperature dehumidifier.
It should be noted that the step cannot be disinfected by alcohol or 84 disinfectant, and the nonwoven fabric is damaged by the alcohol or 84, or water, air and dust are leaked after being corroded, so that the protective effect cannot be achieved.
The dehumidifier is selected to dry in the step, disinfection is not needed, the moisture in the mask can be uniformly dispersed, and the effective active ingredients immersed in the mask are not damaged.
Because a small amount of distilled water remains after the mask is immersed in the sweet potato extracting solution, if the mask is dried, the activity of the traditional Chinese medicine is reduced. The freezing water is frozen below zero, and the ice attached to the surface of the mask can fall off as long as the ice is lightly flapped when the mask is taken before packaging, so that the traditional Chinese medicine components are not damaged by the packaging, the mask is clean, soft and smooth, comfortable to wear and really plays a role in protection.
(5) And packaging the finished product in a clean room.
Example 6: effect test of wearing the surgical medical protective mask of the present invention
The sweet potato extract prepared in example 1 was added to 10m L of distilled water at a ratio of 1g to prepare a sweet potato extract.
The test is carried out in a Jiangsu Sihong Rick battery production plant, 8 production workers in the first line are selected, and the workers can be burnt or allergic due to sulfuric acid because of the influence of production environment due to sulfuric acid atomized gas, dust and the like in the production environment for long-term work in the first line.
Of the 8 workers, skin was dry, itchy, chapped, painful, coughing to varying degrees around the face, nose, mouth or hands, legs, etc.; after the mask of the present invention was worn by 8 workers for 3 minutes, itching and pain around the skin such as the face, nose, mouth, hands, legs, etc. disappeared and coughing was relieved in 8 workers.
Of 8 workers, 2 workers had allergic urticaria and pruritus in legs due to environmental allergy and were in group B; wherein 1 people leg allergy is serious, skin itch, stabbing pain, urticaria and skin red and swollen, the black print state appears after department urticaria disappears (see figure 10 b), after the sweet potato extract is smeared or sprayed, the allergy state of patients is improved, urticaria disappears, pruritus and stabbing pain are relieved, the brown print part is improved, the color of the skin is gradually changed to the normal color (see figure 10 a), and the urticaria disappears after 12 hours.
Among them, 1 worker had serious burn of his legs by sulfuric acid; the skin is partially fallen, the injured part has brownish red swelling and blister, part of the skin and tissue have ulcer necrosis (see figure 9 a), after the sweet potato extract is smeared or sprayed on the skin, the burn condition of a patient is improved, the burned part is rapidly scabbed, new tissues grow out, the brownish red swelling is obviously removed, the blister disappears, and the ulcer part is improved (see figure 9 b). After the wound healing ointment is used for 12 hours, the wound starts to heal without pain, scars are formed after 3 days, and the wound healing ointment can heal gradually without using any medicine after scars are formed.
The test shows that the mask of the invention has good protective effect on skin and respiratory tract, not only blocks the damage of sulfuric acid to skin, but also can resist virus to relieve or cure the inflammation and ulceration of wound. The mask has ideal effect test in an environment which is easy to cause allergy, dust or pollution, and can play a better protection role in hospitals, operating rooms or daily life.
The above-mentioned embodiments are only one of the preferred embodiments of the present invention, and those skilled in the art should also include the general changes and substitutions within the scope of the present invention.
Claims (10)
1. A surgical medical protective mask is characterized by comprising a mask main body (1), a fixing structure (2) and a nose protecting band (4);
the fixing structures (2) are connected to the left side and the right side of the mask main body (1) so that the mask is attached to the face and is not easy to slide off, and comprise hangers, straps or elastic fixing bands with magic tapes;
the mask main body (1) comprises a protective layer (9), a filter layer (8) and a cushion layer (7);
the filter layer (8) is made of chemical fiber cloth soaked with sweet potato extract;
the protective layer (9) and the liner layer (7) are made of non-woven fabrics.
2. The surgical protective mask of claim 1 wherein said ear-hanging cord or tie is adjustable in length.
3. The surgical protective mask according to claim 1, wherein the mask body (1) is sewn by a motor; the mask main body can be folded, is fan-shaped when folded and is unfolded to be horn-shaped.
4. The surgical medical protective mask according to claim 1, wherein the nose protecting band (4) is made of non-woven fabric in a strip shape and is sewn at the position where the inner wall of the mask is attached to the bridge of the nose.
5. The surgical protective mask according to claim 1, wherein the filter layer comprises 1-2 layers of chemical fiber cloth with 30% chemical fiber content.
6. The surgical medical protective mask as claimed in claim 1, wherein the sweet potato extract is a sweet potato extract diluent, and the dilution ratio is 1g of sweet potato essence and 10m L of distilled water.
7. A preparation method of a surgical medical protective mask is characterized by comprising the following steps:
(1) sequentially stacking non-woven fabrics, 30% chemical fiber cloth and non-woven fabrics; the 30% chemical fiber cloth is soaked with sweet potato extract;
(2) cutting a plate, and sewing by a motor; the mask fixing structures are fixed on the two sides of the mask main body; the nose protecting band is sewn at the joint of the inner wall of the mask and the nose bridge;
(3) cleaning the finished mask product with purified water, distilled water, deionized water or domestic water, and centrifuging, dehydrating and drying;
(4) and packaging the finished product in a clean room.
8. The method for manufacturing a surgical protective mask for medical use according to claim 7, wherein the drying is performed by using a thermostatic dehumidifier or a thermostatic drying oven.
9. The method for manufacturing a surgical and medical protective mask according to claim 7, wherein the sweet potato extract is diluted with 10m L distilled water according to a ratio of 1g sweet potato extract.
10. The method for manufacturing a surgical and medical protective mask according to claim 7, wherein if a mask is manufactured by using conventional chemical fabric which is not impregnated with the sweet potato extract, the finished mask is impregnated with the sweet potato extract after sewing.
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| KR101199967B1 (en) * | 2011-12-23 | 2012-11-12 | 주식회사 한생화장품 | Vegetable starch sheet |
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