CN109793968A - A kind of breathing mask and its combination device - Google Patents
A kind of breathing mask and its combination device Download PDFInfo
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- CN109793968A CN109793968A CN201910133598.4A CN201910133598A CN109793968A CN 109793968 A CN109793968 A CN 109793968A CN 201910133598 A CN201910133598 A CN 201910133598A CN 109793968 A CN109793968 A CN 109793968A
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Abstract
本发明提供了一种呼吸面罩及其组合装置，涉及呼吸面罩设备技术领域。其中，这种呼吸面罩包括壳体和柔性件。壳体具有呈碗形的主体，以及配置在主体且向外延伸的安装段；安装段设置有多个安装部，安装部具有贯穿安装段的安装孔，以及连通安装孔和安装段的边缘的安装通道。柔性件为硅胶的环状几何体，柔性件设置有和安装段相适配的安装槽，以及多个配置在安装槽且和安装孔相适配的安装筋条。柔性件能够通过安装筋条和安装的配合，可拆卸的配置在壳体上。上述呼吸面罩可以和雾化发生器组合在一起，形成呼吸面罩的组合装置。其中，雾化发生器能够产生雾状的小液滴并输出至呼吸面罩，以便使用者吸入。
The invention provides a breathing mask and a combined device thereof, and relates to the technical field of breathing mask equipment. Among them, the breathing mask includes a shell and a flexible member. The housing has a bowl-shaped main body, and an installation section arranged on the main body and extending outward; the installation section is provided with a plurality of installation parts, the installation part has installation holes penetrating the installation section, and a connection between the installation holes and the edge of the installation section. Install the channel. The flexible part is a ring-shaped geometric body of silica gel, and the flexible part is provided with an installation groove which is matched with the installation section, and a plurality of installation ribs which are arranged in the installation groove and are matched with the installation holes. The flexible part can be detachably arranged on the casing through the cooperation of the installation rib and the installation. The above-mentioned breathing mask can be combined with the nebulizer to form a combined device of the breathing mask. Among them, the atomizer generator can generate mist-like small droplets and output them to the breathing mask for the user to inhale.
Description
Technical field
The present invention relates to breathing mask equipment technical fields, in particular to a kind of breathing mask and combinations thereof device.
Background technique
Breathing mask is a kind of medical auxiliary equipment, and atomization medicine glass or atomizer etc. are combined, and mist is usually used in
Change treatment.During nebulae inhalation, breathing mask is worn at the mouth and nose of user, and drug is dispersed into small by atomizer
Droplet or particle are suspended in it in gas in breathing mask, and drug is sucked respiratory tract and intrapulmonary by breathing by user,
Achieve the purpose that clean air flue, local treatment and systemic therapy.
In the prior art, the material or really up to the mark or too soft that breathing mask is selected not can guarantee the comfortable of patient's wearing
Property, easily cause the resentment for wearing patient.In addition, being opened on mask to guarantee smooth breathing simultaneously in nebulae inhalation
Mouth is ventilative, this will lead to the waste of drug, and then influence therapeutic effect.In view of this, inventor is having studied existing technology
It is special afterwards to propose the application.
Summary of the invention
The present invention provides a kind of breathing mask and combinations thereof devices, it is intended to improve mask wearing in the prior art and not relax
Suitable problem.
In order to solve the above technical problems, including the present invention provides a kind of breathing mask:
(a) shell has the main body in bowl-type, and configuration in the main body and outwardly extending construction section；It is described
Construction section is provided with multiple mounting portions, and the mounting portion has the mounting hole through the construction section, and the connection installation
The installation passage in hole and the edge of the construction section, the bore of the installation passage are less than the bore of the mounting hole；
(b) flexible piece is ring-type solid made of silica gel material, to be worn at the mouth and nose of user；It is described
Flexible piece be provided with mounting groove compatible with the construction section and it is multiple configuration the mounting groove and with the mounting hole
Compatible installation rib；
The mounting groove configuration is in the construction section, so that the installation rib passes through the installation passage and is connected in institute
Mounting hole is stated, allows the flexible piece removably to configure in the shell, to surround a cavity；The main body is provided with connection institute
Cavity and extraneous connecting hole are stated, the flexible piece corresponds to first for being provided at the mouth and nose of user and being connected with the cavity
Opening.
As advanced optimizing, the breathing mask includes at least one exhalation valve, which is configuration described soft
Property part and outwardly extending thin shape solid；The main body, which is provided with, to be adapted and through the of the main body with the exhalation valve
One through-hole, the exhalation valve can cover the first through hole.
As advanced optimizing, the main body is provided with the first groove around the first through hole, the exhalation valve energy
Enough configurations are in first groove, to cover the first through hole.
As advanced optimizing, the construction section is circular geometry body, and the mounting groove is and the circular geometry body phase
The annular groove of adaptation.
As advanced optimizing, the flexible piece has mouth section and bridge of the nose section, and the mouth section is in " C " shape, the nose
Beam section is in "U" shaped to form notch compatible with the nose of user.
As advanced optimizing, the breathing mask has the ear band to wear, which is made of silica gel material
Band-like solid；The two sides of the main body are provided with the ear buckle to install the ear band, which is to be inverted configuration to exist
The main body, and the circular geometry body that cross section is in the shape of a " convex ".
As advanced optimizing, the breathing mask includes two exhalation valves, and two exhalation valves are respectively configured
In the lower part of the flexible piece.
As advanced optimizing, the installation rib has columnar part and plate-like portion, and the columnar part is to be disposed transversely on
The column solid of the mounting groove, the plate-like portion are plate solid of the configuration in the columnar part；The columnar part and
The plate-like portion is adapted with the mounting hole and the installation passage respectively.
The application separately provides a kind of combination unit based on breathing mask, including breathing mask and atomizing generator, described
Breathing mask is breathing mask described in any of the above-described kind, and the atomizing generator can generate misty droplet and export extremely
The cavity, so that user sucks misty droplet.Wherein, droplet can be the medical fluid of atomization or other are beneficial
Droplet
As advanced optimizing, the atomizing generator is that atomization medicine glass component or mouth and nose aerosol delivery device or atomization are inhaled
Enter device or microgrid atomizer.
By using above-mentioned technical proposal, the present invention can obtain following technical effect:
1. breathing mask of the invention, configuring flexible piece made of shell and silica gel material, wherein shell is provided with
Mounting hole and installation passage, flexible piece are provided with installation rib, and the cooperation of installation rib and mounting hole makes flexible piece dismountable
Configuration is on shell；Since flexible piece is silica gel material, there is suitable flexibility and skin-friendly, wearer is allowed to have very
Good comfort；Meanwhile flexible piece made of silica gel material, it can also preferably fit to together, rise with the mouth and nose of user
To good leakproofness.
2. breathing mask of the invention can greatly improve the effective use of the products such as drug by configuring exhalation valve；Tool
Body, when the medical fluid of mist state enters the cavity of breathing mask, user can first pass through air-breathing and medical fluid is sucked, then exhalation
Gas is discharged to the cavity of breathing mask, and keeps exhalation valve movable out against, to allow the gas of exhalation to be discharged from first through hole；Again
When air-breathing, exhalation valve can be allowed to cover first through hole again.Through the above technical solutions, breathing mask of the invention can reduce medicine
The waste of object improves the effective use of drug.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of embodiment of the present invention
Attached drawing be briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not to be seen as
It is the restriction to range, it for those of ordinary skill in the art, without creative efforts, can be with root
Other relevant attached drawings are obtained according to these attached drawings.
Fig. 1 is first embodiment of the invention, the first axle side structure schematic diagram of breathing mask；
Fig. 2 is first embodiment of the invention, the decomposition diagram of breathing mask；
Fig. 3 is first embodiment of the invention, the second axis side structure schematic diagram of breathing mask；
Fig. 4 is first embodiment of the invention, the section structure diagram of breathing mask；
Fig. 5 is second embodiment of the invention, the axis side structure schematic diagram of breathing mask；
Fig. 6 is third embodiment of the invention, the axis side structure schematic diagram of the combination unit based on breathing mask；
Fig. 7 is fourth embodiment of the invention, the axis side structure schematic diagram of the combination unit based on breathing mask；
Fig. 8 is fifth embodiment of the invention, the axis side structure schematic diagram of the combination unit based on breathing mask；
Marked in the figure: 1- shell；2- flexible piece；3- exhalation valve；4- first is open；5- mounting hole；6- installation passage；7- peace
Fill section；8- main body；9- connecting hole；10- mounting groove；11- installs rib；12- bridge of the nose section；13- mouth section；14- ear buckle；15-
First groove；16- cavity；17- first through hole；18- breathing mask；19- is atomized medicine glass；20- mouth and nose aerosol delivery device；21- mist
Change inhalator.
Specific embodiment
To keep the purposes, technical schemes and advantages of embodiment of the present invention clearer, implement below in conjunction with the present invention
The technical solution in embodiment of the present invention is clearly and completely described in attached drawing in mode, it is clear that described reality
The mode of applying is some embodiments of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ability
Domain those of ordinary skill every other embodiment obtained without creative efforts, belongs to the present invention
The range of protection.Therefore, the detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit below and is wanted
The scope of the present invention of protection is sought, but is merely representative of selected embodiment of the invention.Based on the embodiment in the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts belongs to this
Invent the range of protection.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
Present invention is further described in detail with specific embodiment with reference to the accompanying drawing:
First embodiment:
As shown in Fig. 1 to Fig. 4, in the present embodiment, a kind of breathing mask 18 includes:
(a) shell 1 has the main body 8 in bowl-type, and configuration in main body 8 and outwardly extending construction section 7；Installation
Section 7 is provided with multiple mounting portions, and mounting portion has a mounting hole 5 through construction section 7, and connection mounting hole 5 and construction section 7
The installation passage 6 at edge, the bore of installation passage 6 are less than the bore of mounting hole 5；
(b) flexible piece 2 are the cyclic annular solid that material is silica gel, to be worn at the mouth and nose of user；Flexible piece
2 be provided with the compatible mounting groove 10 of construction section 7 and it is multiple configuration mounting groove 10 and with the compatible peace of mounting hole 5
Fill rib 11；
The configuration of mounting groove 10 allows soft in construction section 7 so that installation rib 11 passes through installation passage 6 and is connected in mounting hole 5
Property part 2 removably configuration in shell 1, to surround a cavity 16；Main body 8 is provided with connection cavity 16 and extraneous connecting hole 9,
The first opening 4 being connected with cavity 16 is provided at the mouth and nose of the corresponding user of flexible piece 2.In the present embodiment, shell 1 is
Bowl-type solid made of PP (polypropylene) material, flexible piece 2 are solid made of silica gel material.Wherein shell 1 is provided with
Mounting hole 5 and installation passage 6, flexible piece 2 are provided with installation rib 11, and the cooperation for installing rib 11 and mounting hole 5 allows flexible piece 2
Dismountable configuration is on shell 1.Since flexible piece 2 is silica gel material, there is suitable flexibility and skin-friendly, allow pendant
Wearer has good comfort, and PP and silica gel material are nontoxic safe materials.Meanwhile flexibility made of silica gel material
Part 2 can also be fitted to preferably together with the mouth and nose of user, play good leakproofness, significantly height-regulating breathing mask 18
Working efficiency.The shell 1 of PP material and the flexible piece 2 of silica gel material, it is ensured that breathing mask 18 has in use process
Good deformation reset capability, can prevent breathing mask 18 from deforming in long-term use process.In addition, mounting hole 5 and peace
The cooperation packet of dress rib 11 can ensure respiration mask 18 in use, and flexible piece will not be separated with shell.In this reality
It applies in example, the rear end of main body 8 is arranged in connecting hole 9.In another embodiment, shell 1 can be the material of other safety, such as:
The plastic materials such as ABS, PC, PVC, PPE.
As shown in Fig. 2 to Fig. 4, in the present embodiment, breathing mask 18 includes 2 exhalation valves 3, which is configuration
In flexible piece 2 and outwardly extending thin shape solid；It is logical that main body 8 is provided with first be adapted with exhalation valve 3 and through main body 8
Hole 17, exhalation valve 3 can cover first through hole 17.In the present embodiment, exhalation valve 3 and flexible piece 2 are integrated, and are to pass through into
Type technique is made.As shown in Fig. 3 and Fig. 4, exhalation valve 3 is rectangular thin shape part, since the quality of exhalation valve 3 is small, exhalation
Valve 3 can exhaling and inhale and movable with user.Specifically, it when the medical fluid of mist state enters the cavity 16 of breathing mask 18, uses
Person can first pass through air-breathing and medical fluid is sucked, then the gas of exhalation is discharged to the cavity 16 of breathing mask 18, and make 3 phase of exhalation valve
To outside activity, to allow the gas of exhalation to be discharged from first through hole 17；Again when air-breathing, exhalation valve 3 can be allowed to cover first again logical
Hole 17.By the setting of exhalation valve 3, breathing mask 18 can reduce the waste of drug, improve the effective use of drug.By Fig. 4
Shown, in the present embodiment, 2 exhalation valves 3 are arranged respectively at the lower part of flexible piece 2, and are arranged symmetrically.In another embodiment
In, the exhalation valve 3 of other quantity can be set in breathing mask 18, and the other positions in flexible piece 2 can be set in exhalation valve 3.
As shown in Fig. 3 and Fig. 4, in the present embodiment, main body 8 is provided with the first groove 15 around first through hole 17, exhales
Valve 3 can be configured in the first groove 15 out, and to cover first through hole 17, the depth of the first groove 15 is more than or equal to exhalation valve
3 thickness.By above-mentioned setting, after exhalation valve 3 can be allowed to cover first through hole 17, exhalation valve 3 is outer not higher than flexible piece 2
Wall.As shown in Figure 3, in the present embodiment, construction section 7 be circular geometry body, mounting groove 10 be and circular geometry body be adapted and
The annular groove of the end face of flexible piece 2 is set.
As shown in Figure 3, in the present embodiment, flexible piece 2 has mouth section 13 and bridge of the nose section 12, and mouth section 13 is in " C " shape,
Bridge of the nose section 12 is in "U" shaped to form notch compatible with the nose of user.The setting of bridge of the nose section 12 can allow user
When using breathing mask 18, nose will not be oppressed, there is better comfort.As shown in Figure 3, breathing mask 18 have to
The ear band (not shown) of wearing, which is band-like solid made of silica gel material；The two sides of main body 8 are provided with to install
The ear buckle 14 of ear band, the ear buckle 14 are to be inverted to configure in main body 8, and the circular geometry body that cross section is in the shape of a " convex ".Ear
It takes to be provided with and be configured on ear buckle 14 with the compatible through-hole of ear buckle 14, ear band by the through-hole.
As shown in Figure 2, in the present embodiment, installation rib 11 has columnar part and plate-like portion, and columnar part is landscape configuration
In the column solid of mounting groove 10, plate-like portion is plate solid of the configuration in columnar part；Columnar part and plate-like portion respectively with
Mounting hole 5 and installation passage 6 are adapted.The size of columnar part is greater than installation passage 6, and is adapted with mounting hole 5；It is installing
When, columnar part can allow installation passage 6 to deform, and finally be connected to mounting hole 5, and plate-like portion configuration at this time is in installation passage
On 6.
Second embodiment:
As shown in Figure 5, in the present embodiment, the lower part of shell 1 is arranged in connecting hole 9, and the structure of flexible piece 2 is real with first
Example is applied, is not being repeated herein.
3rd embodiment, fourth embodiment, the 5th embodiment and sixth embodiment:
The application separately provides a kind of combination unit based on breathing mask 18, including breathing mask 18 and atomizing generator,
Breathing mask 18 is breathing mask 18 described in first embodiment or second embodiment, and atomizing generator can generate mist
Droplet and export to cavity 16, so that user sucks misty droplet, the droplet can be atomization medical fluid or
Other beneficial droplets of person.
Wherein, atomizing generator can be to be atomized medicine glass component or mouth and nose aerosol delivery device 20 or nebulizer 21,
Or microgrid atomizer.Specifically:
3rd embodiment: as shown in Figure 6, in the third embodiment, atomizing generator is atomization medicine glass component.It is atomized medicine glass
Component includes compression atomizer (not shown) and atomization medicine glass 19.When specific works, compression atomizer passes through compressed air,
Medical fluid is smashed in atomization medicine glass 19, generates the aerosol of medical fluid.Aerosol passes through atomization 19 outlet of medicine glass, and breathing
The connecting hole 9 of mask 18 flow to the cavity 16 of breathing mask 18, uses so that user sucks.In the present embodiment, compression
Atomization and atomization medicine glass 19 are the prior art, and details are not described herein.
Fourth embodiment: as shown in Figure 7, in the fourth embodiment, atomizing generator is mouth and nose aerosol delivery device 20.Mouth and nose
Aerosol delivery device 20 includes fog-storage can cavity components；Misty medical fluid in fog-storage can cavity components, can be left to breathing mask 18
Cavity 16, for user suck use.In the present embodiment, mouth and nose aerosol delivery device 20 is the prior art, herein no longer
It repeats.
5th embodiment: as shown in Figure 8, in the 5th embodiment, atomizing generator is nebulizer 21.Neulized inhalation
Device 21 includes compression atomizer (not shown) and atomization tank body.When specific works, compression atomizer passes through compressed air,
Medical fluid is smashed in atomization tank body, generates and misty medical fluid is discharged.Misty medical fluid passes through the connector of breathing mask 18, flow to and exhales
The cavity 16 of mask 18 is inhaled, is used so that user sucks.In the present embodiment, nebulizer 21 is the prior art, herein
It repeats no more.
Sixth embodiment: in the present embodiment, atomizing generator is microgrid atomizer (not shown).Microgrid atomizer passes through
Microgrid vibration principle generates the misty medical fluid comprising medical fluid by medical liquid atomizing in atomizer medicine glass.Misty medical fluid can pass through
The connector of breathing mask 18 flow to the cavity 16 of breathing mask 18, uses so that user sucks.In the present embodiment, micro-
Net atomizer is the prior art, and details are not described herein.
In another embodiment, atomizing generator can generate the generator of misty droplet for other.
The foregoing is merely the preferred embodiment of the present invention, are not intended to restrict the invention, for this field
For technical staff, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of breathing mask, characterized by comprising:
(a) shell (1) has the main body (8) in bowl-type, and configuration in the main body (8) and outwardly extending construction section
(7)；The construction section (7) is provided with multiple mounting portions, and the mounting portion has the mounting hole (5) through the construction section (7),
And it is connected to the installation passage (6) at the edge of the mounting hole (5) and the construction section (7), the bore of the installation passage (6)
Less than the bore of the mounting hole (5)；
(b) flexible piece (2) are ring-type solid made of silica gel material, to be worn at the mouth and nose of user；It is described soft
Property part (2) be provided with mounting groove (10) compatible with the construction section (7) and multiple configurations in the mounting groove (10) and
The compatible installation rib (11) with the mounting hole (5)；
Mounting groove (10) configuration is in the construction section (7), so that the installation rib (11) passes through the installation passage (6)
And the mounting hole (5) are connected in, allow the flexible piece (2) removably to configure in the shell (1), to surround a cavity
(16)；The main body (8) is provided with the connecting hole (9) for being connected to the cavity (16) and the external world, and the flexible piece (2) is corresponding to be used
The first opening (4) being connected with the cavity (16) is provided at the mouth and nose of person.
2. a kind of breathing mask according to claim 1, it is characterised in that, the breathing mask (18) includes at least one
Exhalation valve (3), the exhalation valve (3) are configuration in the flexible piece (2) and outwardly extending thin shape solid；The main body (8)
It is provided with the first through hole (17) for being adapted with the exhalation valve (3) and running through the main body (8), the exhalation valve (3) can
Cover the first through hole (17).
3. a kind of breathing mask according to claim 2, it is characterised in that, the main body (8) is provided with around described
The first groove (15) of one through-hole (17), the exhalation valve (3) can configure in first groove (15), to cover described
One through-hole (17).
4. a kind of breathing mask according to claim 1, which is characterized in that the construction section (7) is circular geometry body, institute
Stating mounting groove (10) is annular groove compatible with the circular geometry body.
5. a kind of breathing mask according to claim 1, it is characterised in that, the flexible piece (2) has mouth section (13)
With bridge of the nose section (12), the mouth section (13) is in " C " shape, and the bridge of the nose section (12) is in "U" shaped to form the nose with user
The compatible notch of son.
6. a kind of breathing mask according to claim 1, it is characterised in that, the breathing mask (18) has to wear
Ear band, the ear band be silica gel material made of band-like solid；The two sides of the main body (8) are provided with to install the ear
The ear buckle (14) of band, the ear buckle (14) be inverted configuration in the main body (8), and cross section it is in the shape of a " convex " annular it is several
He Ti.
7. a kind of breathing mask according to claim 2, it is characterised in that, the breathing mask (18) includes described in two
Exhalation valve (3), two exhalation valves (3) are arranged respectively at the lower part of the flexible piece (2).
8. a kind of breathing mask according to claim 1, it is characterised in that, the installation rib (11) have columnar part and
Plate-like portion, the columnar part are the column solid for being disposed transversely on the mounting groove (10), and the plate-like portion is configuration in institute
State the plate solid of columnar part；The columnar part and the plate-like portion respectively with the mounting hole (5) and the installation passage
(6) it is adapted.
9. a kind of combination unit based on breathing mask, including breathing mask (18) and atomizing generator, which is characterized in that described
Breathing mask (18) is the described in any item breathing masks of claim 1-8 (18), and the atomizing generator can generate mist
Droplet and export to the cavity (16), so that user sucks misty droplet.
10. a kind of combination unit based on breathing mask according to claim 9, it is characterised in that, the atomization occurs
Device is atomization medicine glass component or mouth and nose aerosol delivery device (20) or nebulizer (21) or microgrid atomizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910133598.4A CN109793968A (en) | 2019-02-22 | 2019-02-22 | A kind of breathing mask and its combination device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910133598.4A CN109793968A (en) | 2019-02-22 | 2019-02-22 | A kind of breathing mask and its combination device |
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|---|---|
| CN109793968A true CN109793968A (en) | 2019-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910133598.4A Pending CN109793968A (en) | 2019-02-22 | 2019-02-22 | A kind of breathing mask and its combination device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022121465A1 (en) * | 2020-12-09 | 2022-06-16 | 深圳市无为工业设计有限公司 | Facial mask |
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