CN212088277U - Medical surgical mask - Google Patents
Medical surgical mask Download PDFInfo
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- CN212088277U CN212088277U CN202020559774.9U CN202020559774U CN212088277U CN 212088277 U CN212088277 U CN 212088277U CN 202020559774 U CN202020559774 U CN 202020559774U CN 212088277 U CN212088277 U CN 212088277U
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Abstract
The utility model relates to a medical surgical mask, which comprises a mask body, wherein two ends of the mask body are respectively fixed with a lacing, and the top of the mask body is provided with a nose clip cavity; the mask body is sequentially provided with a first breathable water-repellent non-woven fabric layer, a filter layer, a second breathable water-repellent non-woven fabric layer and a breathable non-woven fabric layer from outside to inside; the first breathable water-repellent non-woven fabric layer, the filter layer and the second breathable water-repellent non-woven fabric layer are uniformly welded into a whole; the upper edge of the breathable non-woven fabric layer is separated from the second breathable water-repellent non-woven fabric layer, and the left edge, the right edge and the bottom edge of the breathable non-woven fabric layer are thermally welded with the left edge, the right edge and the bottom edge of the second breathable water-repellent non-woven fabric layer into a whole; a pocket is formed between the breathable non-woven fabric layer and the second breathable water-repellent non-woven fabric layer, a pocket opening is formed at the separation position of the upper edge of the breathable non-woven fabric layer and the second breathable water-repellent non-woven fabric layer, and medical breathable water-absorbing gauze is placed in the pocket. Through the utility model discloses, effectively improved the live time of gauze mask antivirus.
Description
Technical Field
The utility model relates to a medical surgical mask, which belongs to the technical field of mask design.
Background
The diameter range of the influenza A virus is 0.08-0.12 um, the diameter range of the SARS virus is 0.08-0.14 um, the average diameter range of the SARS-COV-2 virus is 0.1um, virus particles can not survive individually and must be attached to a droplet medium, and the particle diameter is more than 5um which is several times of the virus.
The standard medical surgical mask is usually processed by components such as a mask, a fixed piece, a strap and the like, is usually made of non-woven fabric materials, and is divided into 3 layers, wherein the outer layer is a breathable water-blocking non-woven fabric which can prevent spray from entering the mask; the middle layer is a breathable melt-blown non-woven fabric which has a filtering effect and can block more than 90% of 5um particles; the inner layer of the near-mouth and the near-nose is used for absorbing moisture.
The medical surgical mask has the transmittance of 18.3 um for 0.3um particles, if the medical surgical mask is worn by both doctors and patients, the filtering efficiency is doubled, the filtering efficiency for 0.3um particles reaches 97 percent, and the grade of the special protective mask N95 is reached.
The occurrence of SARS, MERS and COVID-19 epidemic situation has the characteristics of abruptness and high infectivity, the virus is mainly spread through droplets, the situation that the supply of the anti-virus mask is not in demand generally appears in the early stage of the epidemic situation, and the prevention and control of the epidemic situation are adversely affected.
The outmost layer of chinese patent No. 03226220.5 sets up the pocket and is used for placing the anti-virus that can change often and disinfect the medicine pad, and the outmost layer is just virus bacterium direct contact face, and it is inconvenient that the operation of outer layer needs additional isolation equipment (latex gloves etc.) to increase the cost, and the free-hand operation increases the infection risk, so is not suitable to the viral infection prevention of respiratory track.
The novel anti-virus mask of Chinese patent No. 200920245452.0 is made of "cotton and linen fabric meeting the medical and health requirements", and the inner layer contacting human body can be non-woven fabric. The prior known cotton and linen fabrics (textiles) have large aperture and can not meet the requirement of preventing viruses at all; if the nonwoven fabric of the innermost layer contacting with human lips is melt-blown nonwoven fabric, the nonwoven fabric is easily affected with damp, so that static electricity disappears and virus cannot be blocked. As for the patent mask 'can be used repeatedly after being washed', the aim of high-efficiency blocking and virus prevention cannot be achieved at present.
The mask of the Chinese patent No. 03231532.5, the medical protective mask, has an outer layer which is knitted or woven fabric, contains a water repellent, can also contain an antistatic agent, can also contain a flame retardant, has a hydrophilic middle layer and has an antibacterial inner layer. The outer layer is too complex in process, and the aperture of the textile is large, so that the requirement of preventing viruses cannot be met at all. The aim of the invention of effectively preventing viruses in the specification cannot be achieved at present.
The invention discloses a 'multipurpose easy-to-replace filter combined mask' with Chinese patent publication No. CN 105615044 A.A filter is independent from a mask main body and is formed by laminating an inner filter material and an outer layer material, the filter and the mask main body are separately manufactured, the process is complicated and redundant, the types of the filters are various, and the mask is not beneficial to large-scale production and popularization; the invention aims at washing and reusing the virus respiratory infectious disease cannot be simply and effectively realized.
The medical surgical mask realizes the filtering and anti-virus effects by effectively adsorbing particles such as droplets by the aid of the static polypropylene melt-blown non-woven fabric subjected to electret treatment, and the filtering effect is greatly reduced due to the fact that water vapor enables static of the filtering layer to disappear. The polypropylene melt-blown fiber is very fine, about 2um on average, and the polypropylene melt-blown fiber can shrink and deform at the temperature of more than 80 ℃ to cause structural damage, so that the protection efficiency is reduced. The polypropylene melt-blown material is a thermoplastic high polymer material, has poor aging resistance and is very sensitive to ultraviolet rays; after ultraviolet irradiation, the polypropylene melt-blown material structure can be damaged by oxidative degradation, and the filtering performance is greatly reduced. The experimental results of professor spamming in the "antivirus mask" from "3 days after 2 months 3 years after 2020, science and technology, showed that the filtration efficiency of N95-grade mask after steaming, washing and ultraviolet lamp disinfection was rapidly reduced from 95% to below 60%, which is comparable to common gauze and cotton mask. According to the investigation, at present, the unit develops the alternative product of the polypropylene melt-blown non-woven fabric and supplies the product to the market.
According to the diagnosis and treatment scheme for pneumonia infected by novel coronavirus (trial fourth edition), 2019-nCov virus (SARS-COV-19) can be inactivated effectively at 56 deg.C for 30 min. Therefore, medium-temperature drying with the temperature controlled not lower than 56 ℃ and not higher than 80 ℃ is an effective method for inactivating viruses, but special equipment (such as certain disinfection cabinets) of a medium-temperature oven is required, and the method cannot be popularized comprehensively.
The medical surgical mask can be reused in a limited time delay manner, virus inactivation and disinfection can not be realized by methods such as washing, spraying of liquid disinfectant, ultraviolet irradiation, high-temperature disinfection and the like, and a medium-temperature oven needs special equipment, so that the method can not be widely popularized. The medical surgical mask has the problem of overdue failure, and cannot be manufactured in large quantities under the non-epidemic situation so as to meet the requirement of emergency standby of all social members at any time.
The occurrence of SARS, MERS and COVID-19 epidemic situation has the characteristics of abruptness and high infectivity, the virus is mainly spread through droplets, the situation that the supply of the anti-virus mask is not in demand generally appears in the early stage of the epidemic situation, and the prevention and control of the epidemic situation are adversely affected.
The development of the medical surgical mask which can be produced in large quantity by using the existing equipment, is easy to obtain materials, does not need special disinfection equipment in the using process and can be reused in limited time delay is necessary.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide a medical surgical mask which has reasonable and simple structure and convenient use and can effectively improve the service time.
The utility model aims at realizing the medical surgical mask, which comprises a mask body, wherein two ends of the mask body are respectively fixed with a lacing, the top of the mask body is provided with a nose clip cavity, and a nose clip capable of bending and deforming is arranged in the nose clip cavity;
the method is characterized in that: the mask body comprises a first breathable water-repellent non-woven fabric layer, a filter layer, a second breathable water-repellent non-woven fabric layer and a breathable non-woven fabric layer which are sequentially arranged from outside to inside;
the first breathable water-repellent non-woven fabric layer, the filter layer and the second breathable water-repellent non-woven fabric layer are uniformly welded into a whole; the upper edge of the breathable non-woven fabric layer is separated from the second breathable water-repellent non-woven fabric layer, and the left edge, the right edge and the bottom edge of the breathable non-woven fabric layer are thermally welded with the left edge, the right edge and the bottom edge of the second breathable water-repellent non-woven fabric layer into a whole;
a pocket is formed between the breathable non-woven fabric layer and the second breathable water-repellent non-woven fabric layer, a pocket opening is formed at the separation position of the upper edge of the breathable non-woven fabric layer and the second breathable water-repellent non-woven fabric layer, and medical breathable water-absorbing gauze is placed in the pocket.
The upper edges of the first breathable water-repellent non-woven fabric layer, the filter layer and the second breathable water-repellent non-woven fabric layer are folded and then are thermally welded into a whole, and the left edge and the right edge of the first breathable water-repellent non-woven fabric layer, the filter layer and the second breathable water-repellent non-woven fabric layer are thermally welded into a whole, so that the folding positions of the upper edges of the first breathable water-repellent non-woven fabric layer, the filter layer and the second breathable water-repellent non-woven fabric layer form a nose clip cavity.
The first breathable water-repellent non-woven fabric layer and the second breathable water-repellent non-woven fabric layer are water-repellent treated breathable non-woven fabric layers.
The filter layer is a melt-blown non-woven fabric layer subjected to electret treatment.
The height of the upper edge of the breathable non-woven fabric layer is lower than that of the upper edge of the second breathable water-repellent non-woven fabric layer.
One lace is fixed at the hot melting joint of the left edges of the first breathable water-repellent non-woven fabric layer, the filter layer, the second breathable water-repellent non-woven fabric layer and the breathable non-woven fabric layer, and the other lace is fixed at the hot melting joint of the right edges of the first breathable water-repellent non-woven fabric layer, the filter layer, the second breathable water-repellent non-woven fabric layer and the breathable non-woven fabric layer.
The medical breathable water-absorbing gauze is medical sterile dry gauze.
The utility model has the advantages of reasonable and simple structure, easy production and manufacture and convenient use, and improves the prior mask, and the mask body comprises a first breathable water-repellent non-woven fabric layer, a filter layer, a second breathable water-repellent non-woven fabric layer and a breathable non-woven fabric layer from outside to inside in sequence; the first breathable water-repellent non-woven fabric layer, the filter layer and the second breathable water-repellent non-woven fabric layer are uniformly welded into a whole; the upper edge of the breathable non-woven fabric layer is separated from the second breathable water-repellent non-woven fabric layer, and the left edge, the right edge and the bottom edge of the breathable non-woven fabric layer are thermally welded with the left edge, the right edge and the bottom edge of the second breathable water-repellent non-woven fabric layer into a whole; a pocket is formed between the breathable non-woven fabric layer and the second breathable water-repellent non-woven fabric layer, a pocket opening is formed at the separation position of the upper edge of the breathable non-woven fabric layer and the second breathable water-repellent non-woven fabric layer, and medical breathable water-absorbing gauze is placed in the pocket.
Through such setting, the convenience is when using, place medical ventilative gauze of absorbing water in ventilative non-woven fabrics layer, the ventilative non-woven fabrics layer of refusing of second, ventilative non-woven fabrics layer is direct to contact with population portion, because at ventilative non-woven fabrics layer, the ventilative gauze of absorbing water of having placed of second between the water non-woven fabrics layer, convenient the change after medical ventilative gauze of absorbing water is moist, and need not change the gauze whole, play the effect of saving the gauze mask, such mode can not increase infection virus bacterium risk simultaneously yet.
When in use, the medical breathable water absorption gauze is replaced for many times, so that the disappearance time of the static electricity of the filter layer (spray-melt cloth) after receiving water is delayed, and the service time of the filter layer for blocking and absorbing viruses is prolonged. In the utility model, the medical breathable water-absorbing gauze and other water-absorbing materials are easy to obtain, and the service life of the mask is prolonged. When water absorbing materials such as medical breathable water absorbing gauze are not placed, the utility model has the anti-virus performance and the service life which are basically equal to those of medical surgical masks sold on the market. In the aspect of production and manufacture, the utility model discloses structurally improve at present gauze mask, the product after the improvement is manufactured easily, easily processing production.
The utility model discloses in, the formation of one-tenth nose presss from both sides the cavity forms, and first ventilative water non-woven fabrics layer, filter layer, the ventilative water non-woven fabrics layer upper edge of refusing of second is thermal fusion after folding as an organic whole, and first ventilative water non-woven fabrics layer, filter layer, the ventilative water non-woven fabrics layer left edge of refusing of second, right edge thermal fusion are as an organic whole for first ventilative water non-woven fabrics layer, filter layer, the ventilative water non-woven fabrics layer upper edge folding department of refusing of second forms the nose and presss from both sides the cavity. The first breathable water-repellent non-woven fabric layer and the second breathable water-repellent non-woven fabric layer are both breathable non-woven fabric layers subjected to water repellent treatment. The filtering layer is a melt-blown non-woven fabric layer subjected to electret treatment.
In addition, the height of the upper edge of the breathable non-woven fabric layer is lower than that of the upper edge of the second breathable water-repellent non-woven fabric layer, so that the opening of the pocket is facilitated. The medical breathable water-absorbing gauze is medical sterile dry gauze.
Through the utility model discloses, the medical surgical gauze mask that provides has effectively improved the live time of gauze mask, has very big market application and spreading value.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is an exploded view of the present invention.
In the figure: 1 mask body, 2 frenulum, 3 first ventilative water-repellent non-woven fabrics layer, 4 filter layers, 5 second ventilative water-repellent non-woven fabrics layer, 6 ventilative non-woven fabrics layer, 7 pockets, 8 medical ventilative absorbent gauze, 9 nose clips.
Detailed Description
The invention will be further described with reference to specific embodiments.
A medical surgical mask comprises a mask body 1, two ends of the mask body 1 are respectively fixed with a lace 2, the top of the mask body 1 is provided with a nose clip cavity, and a nose clip 9 capable of bending and deforming is arranged in the nose clip cavity; the mask body 1 comprises a first breathable water-repellent non-woven fabric layer 3, a filter layer 4, a second breathable water-repellent non-woven fabric layer 5 and a breathable non-woven fabric layer 6 which are sequentially arranged from outside to inside; the first breathable water-repellent non-woven fabric layer 3, the filter layer 4 and the second breathable water-repellent non-woven fabric layer 5 are uniformly welded into a whole; the upper edge of the breathable non-woven fabric layer 6 is separated from the second breathable water-repellent non-woven fabric layer 5, and the left edge, the right edge and the bottom edge of the breathable non-woven fabric layer 6 are integrally thermally welded with the left edge, the right edge and the bottom edge of the second breathable water-repellent non-woven fabric layer 5; a pocket 7 is formed between the breathable non-woven fabric layer 6 and the second breathable water-repellent non-woven fabric layer 5, an opening of the pocket 7 is formed at the separation position of the upper edge of the breathable non-woven fabric layer 6 and the second breathable water-repellent non-woven fabric layer 5, and medical breathable water-absorbing gauze 8 is placed in the pocket 7.
Furthermore, the upper edges of the first breathable water-repellent non-woven fabric layer 3, the filter layer 4 and the second breathable water-repellent non-woven fabric layer 5 are folded and then thermally welded into a whole, and the left edge and the right edge of the first breathable water-repellent non-woven fabric layer 3, the filter layer 4 and the second breathable water-repellent non-woven fabric layer 5 are thermally welded into a whole, so that the folding positions of the upper edges of the first breathable water-repellent non-woven fabric layer 3, the filter layer 4 and the second breathable water-repellent non-woven fabric layer 5 form a nose clip cavity. The first breathable water-repellent non-woven fabric layer 3 and the second breathable water-repellent non-woven fabric layer 5 are both breathable non-woven fabric layers subjected to water repellent treatment. The filter layer 4 is a melt-blown non-woven fabric layer subjected to electret treatment. The height of the upper edge of the air-permeable non-woven fabric layer 6 is lower than that of the upper edge of the second air-permeable water-repellent non-woven fabric layer 5. One lace 2 is fixed at the hot melting joint of the left edges of the first breathable water-repellent non-woven fabric layer 3, the filter layer 4, the second breathable water-repellent non-woven fabric layer 5 and the breathable non-woven fabric layer 6, and the other lace 2 is fixed at the hot melting joint of the right edges of the first breathable water-repellent non-woven fabric layer 3, the filter layer 4, the second breathable water-repellent non-woven fabric layer 5 and the breathable non-woven fabric layer 6. The medical breathable water-absorbing gauze 8 is medical sterile dry gauze.
Claims (7)
1. A medical surgical mask comprises a mask body (1), wherein two ends of the mask body (1) are respectively fixed with a lace (2), the top of the mask body (1) is provided with a nose clip cavity, and a nose clip (9) capable of bending and deforming is arranged in the nose clip cavity;
the method is characterized in that: the mask body (1) comprises a first breathable water-repellent non-woven fabric layer (3), a filter layer (4), a second breathable water-repellent non-woven fabric layer (5) and a breathable non-woven fabric layer (6) which are sequentially arranged from outside to inside;
the first breathable water-repellent non-woven fabric layer (3), the filter layer (4) and the second breathable water-repellent non-woven fabric layer (5) are uniformly welded into a whole; the upper edge of the breathable non-woven fabric layer (6) is separated from the second breathable water-repellent non-woven fabric layer (5), and the left edge, the right edge and the bottom edge of the breathable non-woven fabric layer (6) are integrally thermally welded with the left edge, the right edge and the bottom edge of the second breathable water-repellent non-woven fabric layer (5);
a pocket (7) is formed between the breathable non-woven fabric layer (6) and the second breathable water-repellent non-woven fabric layer (5), an opening of the pocket (7) is formed at the separation position of the upper edge of the breathable non-woven fabric layer (6) and the second breathable water-repellent non-woven fabric layer (5), and medical breathable water-absorbing gauze (8) is placed in the pocket (7).
2. The medical surgical mask as set forth in claim 1, wherein: non-woven fabrics layer (3), filter layer (4), the ventilative non-woven fabrics layer (5) upper edge of refusing of water of second heat-fusion after folding as an organic whole are refused in first ventilative water non-woven fabrics layer (3), filter layer (4), the ventilative non-woven fabrics layer (5) left edge of refusing of water of second, right edge heat-fusion as an organic whole for non-woven fabrics layer (3), filter layer (4), the ventilative non-woven fabrics layer (5) upper edge folding department of refusing of water of second of first ventilative water forms the nose and presss from both sides the cavity.
3. The medical surgical mask as set forth in claim 1, wherein: the first breathable water-repellent non-woven fabric layer (3) and the second breathable water-repellent non-woven fabric layer (5) are both subjected to water repellent treatment.
4. The medical surgical mask as set forth in claim 1, wherein: the filter layer (4) is a melt-blown non-woven fabric layer subjected to electret treatment.
5. The medical surgical mask as set forth in claim 1, wherein: the height of the upper edge of the breathable non-woven fabric layer (6) is lower than that of the upper edge of the second breathable water-repellent non-woven fabric layer (5).
6. The medical surgical mask as set forth in claim 1, wherein: one lace (2) is fixed at the hot-melting joint of the left edges of the first breathable water-repellent non-woven fabric layer (3), the filter layer (4), the second breathable water-repellent non-woven fabric layer (5) and the breathable non-woven fabric layer (6), and the other lace (2) is fixed at the hot-melting joint of the right edges of the first breathable water-repellent non-woven fabric layer (3), the filter layer (4), the second breathable water-repellent non-woven fabric layer (5) and the breathable non-woven fabric layer (6).
7. The medical surgical mask as set forth in claim 1, wherein: the medical breathable water-absorbing gauze (8) is medical sterile dry gauze.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020559774.9U CN212088277U (en) | 2020-04-16 | 2020-04-16 | Medical surgical mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020559774.9U CN212088277U (en) | 2020-04-16 | 2020-04-16 | Medical surgical mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212088277U true CN212088277U (en) | 2020-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020559774.9U Expired - Fee Related CN212088277U (en) | 2020-04-16 | 2020-04-16 | Medical surgical mask |
Country Status (1)
| Country | Link |
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| CN (1) | CN212088277U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113142709A (en) * | 2021-02-27 | 2021-07-23 | 南通大学附属医院 | Non-woven fabric laminating method for slowing down charge loss and mask |
-
2020
- 2020-04-16 CN CN202020559774.9U patent/CN212088277U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113142709A (en) * | 2021-02-27 | 2021-07-23 | 南通大学附属医院 | Non-woven fabric laminating method for slowing down charge loss and mask |
| CN113142709B (en) * | 2021-02-27 | 2022-09-23 | 南通大学附属医院 | Non-woven fabric laminating method for slowing down charge loss and mask |
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