CN213344425U - Medical mask - Google Patents
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- CN213344425U CN213344425U CN202021455661.0U CN202021455661U CN213344425U CN 213344425 U CN213344425 U CN 213344425U CN 202021455661 U CN202021455661 U CN 202021455661U CN 213344425 U CN213344425 U CN 213344425U
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Abstract
The utility model provides a medical mask. The medical mask comprises a mask body and tightening belts, wherein the tightening belts are symmetrically arranged at two ends of the mask body; the mask body is of a laminated structure and sequentially comprises a non-woven fabric inner layer, a melt-blown fabric layer and a non-woven fabric outer layer from inside to outside; wherein, the outer surface of the non-woven fabric outer layer is loaded with a first lysozyme layer, and the inner surface of the non-woven fabric outer layer is loaded with a second lysozyme layer; the thickness of the first lysozyme layer is 0.01-0.1 mm, the pore size is 0.1-10 mu m, and the porosity is more than 90%; the thickness of the second lysozyme layer is 0.01-0.1 mm, the pore size is 0.1-10 μm, and the porosity is more than 90%. The medical mask can be used for health care in the ordinary medical environment without the risk of body fluid and splashing and basic protection of medical staff and related workers, is high in safety, and has good sterilization, bacteriostasis and antivirus effects.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, a medical gauze mask is related to, especially relate to a disposable medical gauze mask with antibiotic, antiviral effect.
Background
At present, environmental pollution is increasingly severe, the influence of severe weather such as sand dust, haze and the like on the health safety of human bodies is increasingly obvious, the health safety of the human bodies is seriously harmed, and the current various infectious diseases and respiratory system diseases are also extremely great in harm to people, so that large-area infection or epidemic spread is easy to occur. The mask is an effective epidemic prevention means at present, and is one of main ways for effectively protecting the self safety in severe environment, particularly in medical environment, and the effect of the mask is more prominent and important.
The disposable medical mask can block most of germs from passing through the mask, so that the germs are attached to the outer side of the mask filter layer, the effect is good, but the risk that a user easily infects the germs by contacting the mask on the outer side through limbs exists, and then the medical mask after being used needs to be treated independently as medical waste, which is troublesome.
At present, some commercial products have an antibacterial effect, but most of the products are civil masks, the antibacterial effect is not verified, most of the products are chemical substances added to achieve a certain antibacterial effect, and the safety and the effectiveness are limited.
SUMMERY OF THE UTILITY MODEL
Based on the defects existing in the prior art, the utility model aims to provide a medical mask. The medical mask has antibacterial and antiviral effects due to the antibacterial and antiviral effects of the antibacterial and antiviral non-woven fabric layers.
The purpose of the utility model can be realized through the following technical scheme:
the utility model provides a medical mask, which comprises a mask body and tensioning belts, wherein the tensioning belts are symmetrically arranged at two ends of the mask body; the mask body is of a laminated structure and sequentially comprises a non-woven fabric inner layer, a melt-blown fabric layer and a non-woven fabric outer layer from inside to outside;
wherein, the outer surface of the non-woven fabric outer layer is loaded with a first lysozyme layer, and the inner surface of the non-woven fabric outer layer is loaded with a second lysozyme layer;
the thickness of the first lysozyme layer is 0.01-0.1 mm, the pore size is 0.1-10 mu m, and the porosity is more than 90%; the thickness of the second lysozyme layer is 0.01-0.1 mm, the pore size is 0.1-10 mu m, and the porosity is more than 90%.
The utility model discloses an among the medical gauze mask, the load mode on first lysozyme layer, second lysozyme layer is "spraying + dry" method, be about to the lysozyme solution of certain concentration (preferred 1 ~ 10mg/ml) through the spraying mode respectively spraying one deck lysozyme on the outer internal and external surface of non-woven fabrics, treat the drying back, it is 0.01 ~ 0.1mm to form one deck thickness respectively to load on the outer internal and external surface of non-woven fabrics, the pore size is 0.1 ~ 10 mu m, the porosity is the lysozyme layer (albumen membrane) more than 90%. The lysozyme protein in the lysozyme layer is loaded on the non-woven fabric outer layer of the mask, the adsorption state is good, the activity is stable, the lysozyme protein is extracted from egg white, the biological safety is high, the biocompatibility is good, the lysozyme mask is harmless to a human body, and the lysozyme mask has good sterilization and antiviral effects. The mask not only can filter harmful substances in the air, but also can kill germs loaded on the mask by means of the sterilization and antivirus effects of the lysozyme.
In the medical mask, the lysozyme solution refers to an aqueous solution of lysozyme.
In the medical mask, the non-woven fabric inner layer, the melt-blown fabric layer and the non-woven fabric outer layer are all conventional raw materials adopted for preparing the medical mask, and the thickness and the pores of the non-woven fabric inner layer, the melt-blown fabric layer and the non-woven fabric outer layer meet the standards of the medical mask.
In the medical mask, the inner side is opposite to the user and the outer side is opposite to the user.
In the medical mask, preferably, the length of the non-woven fabric inner layer, the length of the melt-blown fabric layer, the length of the non-woven fabric outer layer, the length of the first lysozyme layer and the length of the second lysozyme layer are 17-18 cm, and the width of the non-woven fabric inner layer, the length of the melt-blown fabric layer, the length of the first lysozyme layer and the width of the second lysozyme layer are 7-10 cm.
In the medical mask, preferably, the medical mask further comprises at least one antibacterial layer;
the bacteriostatic layer is loaded on the surface of the first lysozyme layer and/or the surface of the second lysozyme layer.
When the medical mask comprises an antibacterial layer, the antibacterial layer can be loaded on the surface of the first lysozyme layer or the surface of the second lysozyme layer; when the medical mask includes two or more antibacterial layers, for example, two antibacterial layers may be loaded on the surface of the first lysozyme layer and the surface of the second lysozyme layer, respectively.
"supported on the surface of the first lysozyme layer" means: after the first lysozyme layer is loaded on the outer surface of the non-woven fabric outer layer, an antibacterial layer is loaded on the surface of the first lysozyme layer.
The "surface supported by the second lysozyme layer" means: after the second lysozyme layer is loaded on the inner surface of the non-woven fabric outer layer, an antibacterial layer is loaded on the surface of the second lysozyme layer.
In the medical mask, preferably, the antibacterial layer includes a nano silver layer and/or a chitosan layer.
In the medical mask, preferably, the medical mask comprises two antibacterial layers; respectively, a first bacteriostasis layer and a second bacteriostasis layer, wherein the first bacteriostasis layer is loaded on the surface of the first lysozyme layer, and the second bacteriostasis layer is loaded on the surface of the second lysozyme layer.
In the medical mask, preferably, the first antibacterial layer and the second antibacterial layer are both nano silver layers or chitosan layers.
In the medical mask, preferably, the first antibacterial layer is a nano silver layer, and the second antibacterial layer is a chitosan layer; or the first antibacterial layer is a chitosan layer, and the second antibacterial layer is a nano silver layer.
In the medical mask, preferably, the thickness of the antibacterial layer is 0.01 to 0.1mm, the pore size is 0.1 to 10 μm, and the porosity is 90% or more.
In the medical mask, the antibacterial layer is loaded in the same way as the lysozyme layer, namely a nano silver layer or chitosan layer is sprayed on the surface of the lysozyme layer in a spraying way by using nano silver aqueous solution or chitosan aqueous solution (preferably 1-3%) with a certain concentration, and after drying, the nano silver layer or chitosan layer with the thickness of 0.01-0.1 mm, the pore size of 0.1-10 mu m and the porosity of more than 90% is loaded and formed.
In the medical mask, preferably, the length of the antibacterial layer is 17-18 cm, and the width of the antibacterial layer is 7-10 cm.
The utility model discloses an among the medical gauze mask, can further realize antibacterial antibiotic efficiency through further load nanometer silver layer and/or chitosan layer, reduce bacterium, virus to user's risk.
In the medical mask, preferably, the mask body of the medical mask is provided with a nose clip strip which is used for bending and fitting the nose bridge.
The utility model has the advantages that:
(1) the utility model discloses a lysozyme protein in the lysozyme layer of medical gauze mask through the mode that the atomizing was sprayed load on the outer inside and outside surface of the non-woven fabrics of gauze mask, lysozyme distributes evenly, and adsorption state is good, and activity is stable, and lysozyme protein belongs to the protein of high biosafety, and is harmless to the human body, has the sterilization of preferred, antiviral efficiency. The utility model discloses the setting of thickness, pore size, the porosity on lysozyme layer not only does not influence the filter effect on melt-blown cloth layer, but also harmful substance in the filtered air and can guarantee to breathe unblocked, can play the effect of killing to the germ of loading in the gauze mask with the help of disinfecting, the antiviral effect of lysozyme simultaneously.
(2) The medical mask of the utility model is further provided with an antibacterial layer, such as a nano silver layer and a chitosan layer. The antibacterial and bacteriostatic effect can be further realized by further loading the antibacterial layer, and the risk of bacteria and viruses to users is reduced.
(3) The medical mask of the utility model can be used for the sanitary nursing under the common medical environment without the risk of body fluid and splashing and the basic protection of medical staff and related workers, has high safety and can effectively resist the capability of the external severe environment; as a target medical protective personnel article, the good sterilizing, bacteriostatic and antiviral effects can ensure that the product is accompanied by lower risks of bacteria and viruses after use, and reduce the medical risk of abandoning the product.
Drawings
Fig. 1 is a schematic view of the overall structure of a medical mask in an embodiment of the present invention.
Fig. 2 is a side view of the medical mask in the embodiment of the present invention.
FIG. 3 is a scanning electron microscope image of the lysozyme layer in an embodiment of the present invention.
Detailed Description
In order to clearly understand the technical features, objects and advantages of the present invention, the following detailed description is given to the technical solution of the present invention, but the technical solution of the present invention is not limited to the limit of the implementable range of the present invention.
Example (b):
the present embodiment provides a medical mask, as shown in fig. 1 and 2, the medical mask includes a mask body and tightening straps 6, wherein the tightening straps 6 are symmetrically disposed at two ends of the mask body; the mask body is of a laminated structure and sequentially comprises a non-woven fabric inner layer 1, a melt-blown fabric layer 2 and a non-woven fabric outer layer 3 from inside to outside; the outer surface of the nonwoven fabric outer layer 3 is loaded with a first lysozyme layer 5, and the inner surface of the nonwoven fabric outer layer 3 is loaded with a second lysozyme layer 4. The thickness of the first lysozyme layer 5 is 0.01-0.1 mm, the pore size is 0.1-10 mu m, and the porosity is more than 90%; the thickness of the second lysozyme layer 4 is 0.01-0.1 mm, the pore size is 0.1-10 μm, and the porosity is more than 90%.
In this embodiment, the loading manner of the first lysozyme layer 5 and the second lysozyme layer 4 is a "spraying + drying" method, that is, a lysozyme aqueous solution (preferably 1 to 10mg/ml) with a certain concentration is sprayed on the inner and outer surfaces of the non-woven fabric outer layer 3 by a spraying manner, and after drying, a lysozyme layer is loaded on the inner and outer surfaces of the non-woven fabric outer layer to form a lysozyme layer. The lysozyme protein in the lysozyme layer is loaded on the non-woven fabric outer layer of the mask, the adsorption state is good, the activity is stable, the lysozyme protein is extracted from egg white, the biological safety is high, the biocompatibility is good, the lysozyme mask is harmless to a human body, and the lysozyme mask has good sterilization and antiviral effects. The mask not only can filter harmful substances in the air, but also can kill germs loaded on the mask by means of the sterilization and antivirus effects of the lysozyme. In this embodiment, the non-woven fabric inner layer 1, the melt-blown fabric layer 2, and the non-woven fabric outer layer 3 of the medical mask are all conventional raw materials used for preparing the medical mask, and the thickness and the pores thereof meet the standards of the medical mask.
In a preferred embodiment of the present invention, the length and width of the nonwoven fabric inner layer 1, the meltblown fabric layer 2, the nonwoven fabric outer layer 3, the first lysozyme layer 5 and the second lysozyme layer 4 are 17 to 18cm, and 7 to 10cm, respectively.
In a preferred embodiment of this embodiment, the medical mask further comprises at least one antibacterial layer; the bacteriostatic layer is loaded on the surface of the first lysozyme layer 5 and/or the surface of the second lysozyme layer 4.
In a preferred embodiment of this embodiment, the bacteriostatic layer comprises a nano silver layer and/or a chitosan layer.
In a preferred embodiment of this embodiment, the medical mask comprises two antibacterial layers; respectively, a first bacteriostatic layer and a second bacteriostatic layer, wherein the first bacteriostatic layer is loaded on the surface of the first lysozyme layer 5, and the second bacteriostatic layer is loaded on the surface of the second lysozyme layer 4.
In a preferred embodiment of this embodiment, the first antibacterial layer and the second antibacterial layer are both nano silver layers or both chitosan layers; or the first antibacterial layer is a nano silver layer, and the second antibacterial layer is a chitosan layer; or the first antibacterial layer is a chitosan layer, and the second antibacterial layer is a nano silver layer.
In a preferred embodiment of this embodiment, the thickness of the antibacterial layer is 0.01 to 0.1mm, the pore size is 0.1 to 10 μm, and the porosity is 90% or more.
The medical mask of the embodiment can further realize the antibacterial and bacteriostatic effects by further loading the nano silver layer and/or the chitosan layer, and reduce the risk of bacteria and viruses to users.
In a preferred embodiment of this embodiment, a nose clip (not shown) is provided in the mask body of the medical mask to be bent to fit the bridge of the nose.
Example 1:
the present example provides a medical mask, as shown in fig. 1 and 2, the medical mask includes a mask body and tightening straps 6, the tightening straps 6 are symmetrically disposed at two ends of the mask body; the mask body is of a laminated structure and sequentially comprises a non-woven fabric inner layer 1, a melt-blown fabric layer 2 and a non-woven fabric outer layer 3 from inside to outside; the outer surface of the nonwoven fabric outer layer 3 is loaded with a first lysozyme layer 5, and the inner surface of the nonwoven fabric outer layer 3 is loaded with a second lysozyme layer 4.
In this example, the loading manner of the first lysozyme layer 5 and the second lysozyme layer 4 is a "spraying and drying" method, that is, a 5mg/ml lysozyme solution is sprayed on the inner layer and the outer layer of the non-woven fabric respectively, after drying, a lysozyme layer is loaded on the inner and outer surfaces of the outer layer 3 of the non-woven fabric respectively, the lysozyme layer has an average thickness of 0.02mm, a pore size of 5.48 to 9.71 μm, and an average porosity of 92%. The non-woven fabric inner layer 1, the melt-blown fabric layer 2, the non-woven fabric outer layer 3, the first lysozyme layer 5 and the second lysozyme layer 4 are 18cm in length and 9cm in width.
Experimental test data are as follows:
(1) and (3) thickness detection:
the thickness of the film is detected by a vernier caliper, the thickness of the non-woven fabric which is not sprayed with the lysozyme layer is firstly measured, the thickness after spraying is measured, the thickness of the lysozyme layer is obtained after spraying and before spraying, and the final detection result is shown in the following table 1:
table 1:
| |
0.021 |
| Sample | |
| 2 | 0.021 |
| Sample | |
| 3 | 0.020mm |
(2) Pore size and porosity measurements:
the pore state of the lysozyme layer was microscopically observed using a scanning electron microscope, and the pore size and porosity were calculated using image J software, with the results shown in tables 2 and 3 below, and fig. 3 being a scanning electron micrograph of the lysozyme layer.
Table 2:
| pore size | Porosity of the | |
| Sample | ||
| 1 | 7.58±2.1μm | 91 |
| Sample | ||
| 2 | 7.71±2.0μm | 93 |
| Sample | ||
| 3 | 7.45±1.9μm | 92％ |
(3) Comparative experiment:
mask samples with lysozyme layers of different thicknesses and different porosities were prepared separately as follows:
comparative example 1: the thickness of the lysozyme is 0.2mm, and the porosity is 58%.
Comparative example 2: the thickness of the lysozyme is 0.008mm, and the porosity is 98%.
Respectively carrying out an antibacterial effect test and an aeration resistance test, wherein the specific method comprises the following steps:
A. and (3) antibacterial detection: referring to GB15979-2002 hygiene standard C3.2 sterilization experiments of disposable sanitary products, the antibacterial effect of samples on staphylococcus aureus, escherichia coli and candida albicans is respectively detected, the basic method comprises the steps of culturing the bacteria overnight, diluting, mixing 100ul of diluent with 5ml of samples for 5min, diluting 10 times of mixed liquid, adding 0.5ml of diluent into a culture dish, adding different culture media, uniformly mixing, solidifying, culturing for 24-72 hours, and counting colonies.
The sterilization rate is as follows: x ═ a-B)/ax100%;
x, sterilization rate,%;
a, average colony number of control samples;
b, average colony number of the tested sample.
B. And (3) ventilation resistance test: with reference to YYT0969-2013 method of using a disposable medical mask, the center of the mask is taken for testing, the airflow for testing is 8L/min, the diameter of a sample is 25mm, the differential pressure on the measuring side of the mask is measured by a differential pressure gauge, and the differential pressure value of unit area is calculated by the differential pressure value of the test sample/the area of the test sample.
The results are shown in table 3:
table 3:
| comprehensive bacteriostasis rate | Resistance to ventilation (Pa/cm)2) | |
| Example 1 |
90％ | 33 |
| Comparative example 1 | 98％ | 55 |
| Comparative example 2 | 75％ | 21 |
As can be seen from the results, example 1 of the present invention has good antibacterial effect and ventilation resistance results, and comparative example 1 has a high comprehensive antibacterial rate, but does not satisfy the inspection requirement of ventilation resistance (the standard is not more than 49 Pa/cm)2) In comparative example 2, although the requirement of ventilation resistance is satisfied, the bacteriostatic effect is obviously low, and is only 75%.
Lysozyme protein in the lysozyme layer of medical gauze mask that this embodiment provided loads on the outer inside and outside surface of non-woven fabrics of gauze mask, and adsorption phase is good, and the activity is stable, and lysozyme protein draws for the egg white, and biological safety is high, and biocompatibility is good, and is harmless to the human body, has the sterilization of preferred, antiviral efficiency. The utility model discloses the setting of thickness, pore size, the porosity on lysozyme layer not only does not influence the filter effect on melt-blown cloth layer, but also harmful substance in the filtered air and can guarantee to breathe unblocked, can play the effect of killing to the germ of loading in the gauze mask with the help of disinfecting, the antiviral effect of lysozyme simultaneously. In a further preferred embodiment of this embodiment, the medical mask further comprises an antibacterial layer, such as a nano silver layer or a chitosan layer. The antibacterial and bacteriostatic effect can be further realized by further loading the antibacterial layer, and the risk of bacteria and viruses to users is reduced. The medical mask can be used for health care in a common medical environment without the risk of body fluid and splashing and for basic protection of medical staff and related workers, is high in safety, and can effectively resist the capacity of the external severe environment; as a target medical protective personnel article, the good sterilizing, bacteriostatic and antiviral effects can ensure that the product is accompanied by lower risks of bacteria and viruses after use, and reduce the medical risk of abandoning the product.
Claims (10)
1. A medical mask comprises a mask body and tightening belts, wherein the tightening belts are symmetrically arranged at two ends of the mask body; the mask body is of a laminated structure and sequentially comprises a non-woven fabric inner layer, a melt-blown fabric layer and a non-woven fabric outer layer from inside to outside; the method is characterized in that:
the outer surface of the non-woven fabric outer layer is loaded with a first lysozyme layer, and the inner surface of the non-woven fabric outer layer is loaded with a second lysozyme layer;
the thickness of the first lysozyme layer is 0.01-0.1 mm, the pore size is 0.1-10 mu m, and the porosity is more than 90%;
the thickness of the second lysozyme layer is 0.01-0.1 mm, the pore size is 0.1-10 mu m, and the porosity is more than 90%.
2. The medical mask according to claim 1, wherein: the non-woven fabric inner layer, melt the spout cloth layer, the non-woven fabric outer layer, first lysozyme layer and the second lysozyme layer's length is 17 ~ 18cm, and the width is 7 ~ 10 cm.
3. The medical mask according to claim 1, wherein: the medical mask also comprises at least one antibacterial layer;
the bacteriostatic layer is loaded on the surface of the first lysozyme layer and/or the surface of the second lysozyme layer.
4. The medical mask according to claim 3, wherein: the bacteriostatic layer comprises a nano silver layer and/or a chitosan layer.
5. The medical mask according to claim 4, wherein: the medical mask comprises two antibacterial layers; respectively, a first bacteriostasis layer and a second bacteriostasis layer, wherein the first bacteriostasis layer is loaded on the surface of the first lysozyme layer, and the second bacteriostasis layer is loaded on the surface of the second lysozyme layer.
6. The medical mask according to claim 5, wherein: the first antibacterial layer and the second antibacterial layer are both nano silver layers or chitosan layers.
7. The medical mask according to claim 5, wherein: the first antibacterial layer is a nano silver layer, and the second antibacterial layer is a chitosan layer; or the first antibacterial layer is a chitosan layer, and the second antibacterial layer is a nano silver layer.
8. The medical mask according to any one of claims 3 to 7, wherein: the thickness of the antibacterial layer is 0.01-0.1 mm, the pore size is 0.1-10 mu m, and the porosity is more than 90%.
9. The medical mask according to any one of claims 3 to 7, wherein: the length of the antibacterial layer is 17-18 cm, and the width of the antibacterial layer is 7-10 cm.
10. The medical mask according to claim 1, wherein: this medical gauze mask's this internal nose clip strip that is used for the bending and laminates in the bridge of the nose that is provided with of gauze mask.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021455661.0U CN213344425U (en) | 2020-07-22 | 2020-07-22 | Medical mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021455661.0U CN213344425U (en) | 2020-07-22 | 2020-07-22 | Medical mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213344425U true CN213344425U (en) | 2021-06-04 |
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ID=76140894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021455661.0U Active CN213344425U (en) | 2020-07-22 | 2020-07-22 | Medical mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213344425U (en) |
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2020
- 2020-07-22 CN CN202021455661.0U patent/CN213344425U/en active Active
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