CN212488597U

CN212488597U - N95 mask

Info

Publication number: CN212488597U
Application number: CN202020656221.5U
Authority: CN
Inventors: 谢小华; 陈晖�; 谭薇; 汪彦琰; 张小明; 黄文龙; 彭刚刚; 荣慧萍; 汤东三; 刘薇
Original assignee: Shenzhen Second Peoples Hospital
Current assignee: Shenzhen Second Peoples Hospital
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2021-02-09
Anticipated expiration: 2030-04-26

Abstract

The utility model provides a N95 gauze mask, including the filter layer body, detachable locates the silica gel cushion of filter layer body inboard and locates the decompression ear-hang of filter layer body both sides, be equipped with the joint structure that is used for the card to establish the silica gel cushion on the filter layer body, the joint structure comprises the good sheetmetal of ductility of outer cladding silica gel, the edge of filter layer body is located to silica gel cushion ring is in order to laminate with the face, a plurality of through-holes that are used for breathing freely have been seted up on the silica gel cushion, decompression ear-hang includes soft rope and the silica gel gasket that links to each other with soft rope. The utility model provides a N95 gauze mask can effectively prevent the pathogenic microorganism in advance to add round silica gel cushion in gauze mask laminating face curve district, effectively prevent to take behind the gauze mask for a long time that face appears skin reddening, cyanosis's problem, dispersible pressure, reduce the emergence and the nerve damage of pressing the sore, increase the seal of laminating department and medical personnel's the comfort of wearing the gauze mask simultaneously, and silica gel cushion repeatedly usable after the disinfection of sterilization, economic environmental protection.

Description

N95 mask

Technical Field

The utility model relates to a medical treatment protective articles technical field, concretely relates to N95 gauze mask.

Background

The N95 mask is one of 9 particle protective masks certified by NIOSH, and the filtering efficiency of the N95 mask filter material on non-oily particles such as dust, acid mist, paint mist, microorganisms and the like reaches 95% under the detection condition specified by the NIOSH standard, so that the N95 mask can be used for preventing microorganism airborne diseases such as influenza, tuberculosis and the like. At present, N95 gauze mask is divided into cup cover formula and two kinds of foldable according to the shape of gauze mask often, and the gauze mask main part is the plane, and the edge of gauze mask main part directly laminates with user face when wearing, because the people's face has certain profile curve, often needs to make gauze mask and user face contact inseparabler through the rope of tightening the gauze mask ear-hang to guarantee the safeguard effect of N95 gauze mask, nevertheless often cause to wear the discomfort easily like this. Moreover, when a high outbreak of infectious epidemic occurs, medical staff need to wear the mask for a long time because the medical staff is in a high-risk environment with infection risk for a long time, the edge of the existing N95 mask is hard, the tightness of the mask attached to the face is not good enough, the skin of the face becomes red and cyanosis can be caused by wearing the mask for a long time, and pressure sores and nerve injuries can be caused. Therefore, it is necessary to design a new mask of N95 to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects of the prior art and providing the N95 mask which is convenient for being worn for a long time.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides a N95 gauze mask, locate the inboard silica gel cushion of filter layer body and locate the decompression ear-hang of filter layer body both sides including filter layer body, detachable, be equipped with the joint structure that is used for the card to establish the silica gel cushion on the filter layer body, the joint structure comprises the good sheetmetal of ductility of outer cladding silica gel, the edge of filter layer body is located to silica gel cushion ring is in order to laminate with the face, set up a plurality of through-holes that are used for ventilative on the silica gel cushion, decompression ear-hang includes soft rope and the silica gel gasket that links to each other with soft rope.

In one embodiment, the clamping structure comprises a clamping portion I, a clamping portion II and a clamping portion III, the clamping portion I and the clamping portion II are arranged on the upper edge of the filter layer body at intervals of a metal strip used for clamping a nose bridge on the surface of the filter layer body, and the clamping portion III is arranged on the lower edge of the filter layer body.

In one embodiment, the relative joint portion I, joint portion II and the III one-to-one of joint portion of one side that the silica gel cushion pasted with the face sunken to form the groove of stepping down, the groove of stepping down is sunken to the filter layer body inboard from silica gel cushion surface, joint structure cooperation joint is in the groove of stepping down so that the surface of silica gel cushion with the facial laminating level and smooth.

In one embodiment, the middle part of the silica gel soft pad, which is right opposite to the nose and the mouth of the user, is of a through hole structure, one side of the silica gel soft pad, which is used for abutting against the inner side of the edge of the filter layer body, extends towards the inner side of the filter layer body to form a bulge, and the bulge abuts against the inner side of the edge of the filter layer body to support the filter layer body.

In one embodiment, the side edge of the silicone gel cushion extends to form a silicone gel hose into which the air delivery pipe of the air supply bottle is inserted, and the silicone gel hose is communicated with the inner side of the N95 mask.

In one embodiment, the filter layer body sequentially comprises a non-woven fabric layer, a silver-loaded activated carbon fiber layer, an N95 filter layer and a cotton fabric layer from inside to outside.

In one embodiment, a fiber cloth layer is further disposed on the outer side of the cotton cloth layer, and a platinum main catalyst layer is formed on the fiber cloth layer by spraying.

In one embodiment, the silicone gel pad is in a wide sheet shape matched with the contour of the back side of the ear of the human body, a limit part is convexly arranged on the silicone gel pad, and the soft rope is wound on the limit part to adjust the length so as to enable the N95 mask to be attached to the face.

In one of them embodiment, still be equipped with a breather valve on the filter layer body, the breather valve includes base, filter core, is used for restricting gaseous valve and the valve gap of mutually the lock with the base of inboard outside one-way circulation, the base surface still is equipped with the color development indicator layer that is used for instructing gauze mask pollution degree.

In one embodiment, the breather valve is arranged in the area of the filter layer body corresponding to the mouth of the user.

Compared with the prior art, the utility model provides a N95 gauze mask's advantage lies in:

(1) on the basis of effectively preventing disease microorganism, add round silica gel cushion in gauze mask laminating face curve region, effectively prevent for a long time take behind the gauze mask the face skin red, cyanotic problem appear, but furthest dispersion pressure reduces the emergence and the nerve damage of pressing the sore, increases the seal of laminating department and medical personnel's the comfort of wearing the gauze mask simultaneously.

(2) The silica gel cushion and the filter layer body of the N95 mask are detachably mounted, and the silica gel cushion can be reused after sterilization, so that the mask is economical and environment-friendly.

(3) The adopted silicone gel is a high polymer material, has good flexibility, support property and shock absorption and compression resistance, has good compatibility with human tissues, can transmit X rays, can prevent water, bacteria and microorganisms, is insulating and non-conductive, does not contain latex and plasticizer, is non-toxic and pollution-free, is convenient to clean and disinfect, and can provide stable, soft and comfortable body position fixation for patients.

Other advantages of the present invention will be described in detail in the following detailed description of the invention, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation.

In the drawings:

fig. 1 is a schematic structural view of an embodiment of the N95 mask of the present invention;

FIG. 2 is a schematic view showing the composition of a filter body of the mask N95 shown in FIG. 1;

fig. 3 is a schematic view of the structure of a silicone gel pad on a pressure-reducing ear hook in the mask of fig. 1 of N95.

Description of reference numerals: 1. the filter layer comprises a filter layer body 11, a clamping structure 111, a clamping part I112, a clamping part II 113, a clamping part III 12, a non-woven fabric layer 13, a silver-loaded activated carbon fiber layer 14, an N95 filter layer 15, a cotton fabric layer 16, a fiber fabric layer 2, a silica gel cushion 21, a through hole 3, a pressure-reducing ear hanger 31, a soft rope 32, a silica gel gasket 33 and a limiting part

Detailed Description

To further explain the technical solution of the present invention, the present invention is explained in detail below with reference to the accompanying drawings, in which like reference numerals refer to like parts.

Fig. 1 is a schematic cross-sectional view of an embodiment of the inventive N95 mask, as shown in fig. 1, in this embodiment, the N95 mask comprises a filter layer body 1, a detachable silicone gel cushion 2 disposed inside the filter layer body 1, and pressure-reducing ear-hooks 3 disposed on two sides of the filter layer body 1, wherein the filter layer body 1 is provided with a locking structure 11 for locking the silicone gel cushion 2, the silicone gel cushion 2 is disposed around the edge of the filter layer body 1 to be attached to the face, the silicone gel cushion 2 is provided with a plurality of through holes 21 for ventilation, so that face skin can keep dry and comfortable ventilative when contacting for a long time with silica gel cushion 2, silica gel cushion 2 replaces 1 edge of filter layer body to be used for laminating mutually with face's curve, increases the seal of laminating department and medical personnel and wears the comfort of gauze mask, but furthest dispersion pressure reduces the emergence and the nerve damage of pressing the sore.

Specifically, in this embodiment, joint structure 11 includes the joint portion I111, the joint portion II 112 and the joint portion III 113 that supply silica gel cushion 2 card to go into, and the metal strip that is used for the centre gripping nose bridge of the I111 and II 112 interval filter layer body surfaces of joint portion locates the top edge of filter layer body 1, and the lower limb of filter layer body 1 is located to joint portion III 113. Joint portion I111, joint portion II 112 and joint portion III 113 comprise the good sheetmetal of ductility of outer cladding silica gel, the relative joint portion I111 in one side that the silica gel cushion 2 pasted mutually with the face, joint portion II 112 and the sunken groove of stepping down that forms of joint portion III 113 one-to-one, it is sunken to filter layer body 1 inboard from silica gel cushion 2 surface to step down the groove, joint structure 11 cooperation joint is in stepping down the groove so that the surface of silica gel cushion 2 with the facial laminating be smooth structure, make silica gel cushion 2 back on installing to N95 gauze mask, it is used for not having joint structure 11 arch with the one side surface of facial laminating, thereby ensure that 2 edges of silica gel cushion all laminate with user's face well, keep the compactness that N95 gauze mask wore.

In this embodiment, the middle part of the silicone gel cushion 2 facing the nose and mouth of the user is a through hole structure, one side of the silicone gel cushion 2 for abutting against the inner side of the edge of the filter layer body 1 extends towards the inner side of the filter layer body 1 to form a protruding part, the protruding part is a three-dimensional supporting structure, and the protruding part abuts against the inner side of the edge of the filter layer body 1 to support the filter layer body 1, so that the inner side of the N95 mask is ensured to have enough space for the user to breathe. In other embodiments, the side of the silicone gel cushion 2 may further extend to form a silicone gel hose (not shown) inserted into the gas pipe of the gas supply cylinder, the silicone gel hose is communicated with the inside of the N95 mask, when a wearer needs to supply oxygen due to physical conditions or needs to input clean air due to wearing environment, oxygen or clean air may be input into the mask from the gas cylinder through the silicone gel hose, so as to provide breathing assistance while protecting.

In this embodiment, as shown in fig. 2, the filter layer body 1 sequentially includes a non-woven fabric layer 12, a silver-loaded activated carbon fiber layer 13, an N95 filter element layer 14, a cotton cloth layer 15, and a fiber cloth layer 16 disposed outside the cotton cloth layer 15 from inside to outside, the fiber cloth layer 16 is sprayed to form a platinum main catalyst layer, the fiber cloth layer 16 sprayed with the platinum main catalyst layer can cooperate with the N95 filter element layer to filter contaminants in the air and decompose harmful substances, so as to clean the air during the natural breathing process of a user, thereby effectively preventing and controlling the propagation of respiratory diseases, and the silver-loaded activated carbon fiber layer 13 on the inside further adsorbs toxic gases such as formaldehyde, benzene series, radon, and the N95 mask has a better protective effect.

In this embodiment, as shown in fig. 3, the pressure-reducing ear hook 3 includes a soft rope 31 and a silicone gel pad 32 connected to the soft rope 31, the silicone gel pad 32 is a wide sheet shape matching with the contour of the back side of the ear of the human body, the wide sheet silicone gel pad 32 can be well attached to the ear of the user, a large contact area is provided, the ear is prevented from being irritated after the user wears the mask for a long time, a limit portion 33 is convexly arranged on the silicone gel pad 32, and the user can adjust the length of the soft rope 31 by adjusting the soft rope 31 to wind the limit portion 33 arranged at different positions when wearing the mask, so that the N95 mask is closely attached to the face.

In this embodiment, still be equipped with a breather valve on the filter layer body 1, the breather valve includes the base, the filter core, be used for restricting gaseous by inboard valve to the one-way circulation of outside and with the valve gap of base looks lock, the base surface still is equipped with the color indicator layer that is used for instructing gauze mask pollution degree, can judge gauze mask pollution degree through color indicator layer user, ensure in time to change the gauze mask, the breather valve is located filter layer body 1 and the corresponding region of user's mouth, so that outside the timely moist heat gas exhaust gauze mask with user's exhalation, keep the inside dry ventilative of gauze mask.

The utility model provides a N95 gauze mask, on the basis of preventing disease microorganism effectively in advance, add a circle of silica gel cushion in the curved region of gauze mask laminating face, effectively prevent to take the gauze mask after for a long time the face appear skin reddish, cyanosis's problem, but furthest dispersion pressure reduces the emergence of pressure sore and nerve damage, increases the seal of laminating department and medical personnel's comfort of wearing the gauze mask simultaneously; the adopted silicone gel is a high molecular material, has good flexibility, support property, shock absorption and compression resistance, has good compatibility with human tissues, can transmit X rays, can prevent water, bacteria and microorganisms, is insulating and non-conductive, does not contain latex and plasticizer, is non-toxic and pollution-free, is convenient to clean and disinfect, can provide stable, soft and comfortable body position fixation for patients, greatly exposes the surgical field and shortens the surgical time; and, the filter layer body demountable installation of silica gel cushion and N95 gauze mask, the reuse, economic environmental protection can be gone back through the sterilization to the silica gel cushion.

The above description is only for the specific embodiments of the present invention, and it should be noted that any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention.

Claims

1. The utility model provides a N95 gauze mask, its characterized in that includes filter layer body (1), detachable locate filter layer body (1) inboard silica gel cushion (2) and locate decompression ear-hang (3) of filter layer body (1) both sides, be equipped with on filter layer body (1) and be used for the card to establish joint structure (11) of silica gel cushion (2), joint structure (11) comprise the good sheetmetal of ductility of outer cladding silica gel, the edge of filter layer body (1) is located to silica gel cushion (2) ring is in order to laminate with the face, a plurality of through-holes (21) that are used for ventilative have been seted up on silica gel cushion (2), decompression ear-hang (3) including soft rope (31) and silica gel gasket (32) continuous with soft rope (31).

2. The N95 mask according to claim 1, wherein the clip structure (11) comprises a clip portion I (111), a clip portion II (112) and a clip portion III (113), the clip portion I (111) and the clip portion II (112) are arranged on the upper edge of the filter body (1) at intervals of a metal strip for clamping the nose bridge on the surface of the filter body (1), and the clip portion III (113) is arranged on the lower edge of the filter body (1).

3. The N95 mask as claimed in claim 2, wherein the side of the silicone cushion (2) that is close to the face is recessed relative to the first (111), second (112) and III (113) joints to form a recess, the recess is recessed from the surface of the silicone cushion (2) to the inner side of the filter body (1), and the latch structure (11) is engaged with the recess to smooth the surface of the silicone cushion (2) that is close to the face.

4. The N95 mask as claimed in claim 1, wherein the central part of the silicone cushion (2) facing the nose and mouth of the user is a through hole structure, and one side of the silicone cushion (2) for abutting against the inside of the edge of the filter layer body (1) extends toward the inside of the filter layer body (1) to form a convex part which abuts against the inside of the edge of the filter layer body (1) to support the filter layer body (1).

5. The N95 mask as claimed in claim 4, wherein the side of the silicone gel cushion (2) is extended to form a silicone gel hose into which the air pipe of the air supply bottle is inserted, and the silicone gel hose is communicated with the inner side of the N95 mask.

6. The N95 mask as claimed in claim 1, wherein the filter layer body (1) comprises a non-woven fabric layer (12), a silver-loaded activated carbon fiber layer (13), an N95 filter layer (14) and a cotton cloth layer (15) in sequence from inside to outside.

7. The N95 mask as claimed in claim 6, wherein a fiber cloth layer (16) is further disposed on the outside of the cotton cloth layer (15), and a platinum main catalyst layer is formed on the fiber cloth layer (16) by spraying.

8. The N95 mask as claimed in claim 1, wherein the silicone gel pad (32) is a wide sheet matching the contour of the back of the ear of the human body, and the silicone gel pad (32) is provided with a limit part (33) in a protruding way, and the soft rope (31) is wound around the limit part (33) to adjust the length of the mask so as to make the N95 mask fit the face.

9. The N95 mask as claimed in any one of claims 1-8, wherein the filter body (1) is further provided with a breather valve, the breather valve comprises a base, a filter element, a valve for limiting one-way flow of air from inside to outside, and a valve cover fastened with the base, and the surface of the base is further provided with a color indicator layer for indicating the degree of contamination of the mask.

10. The N95 mask as claimed in claim 9, wherein the breather valve is located in the area of the filter body (1) corresponding to the mouth of the user.