CN104258514A - Mouth and nose divided double-chamber double-cover mask - Google Patents
Mouth and nose divided double-chamber double-cover mask Download PDFInfo
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- CN104258514A CN104258514A CN201410549720.3A CN201410549720A CN104258514A CN 104258514 A CN104258514 A CN 104258514A CN 201410549720 A CN201410549720 A CN 201410549720A CN 104258514 A CN104258514 A CN 104258514A
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Abstract
A mouth and nose divided double-chamber double-cover mask is provided with a nose covering body, a mask rope, a filtering device, a mouth covering body, a first one-way valve, a second one-way valve, a third one-way valve, a first chamber with a dead chamber, a second chamber with a dead chamber, a third chamber with a breathing air inlet channel, nostril breathing channels which are arranged on the first chamber and communicated with the dead chamber and a mouth breathing channel which is arranged on the second chamber and communicated with the dead chamber; the filtering device is arranged inside the breathing air inlet channel of the third chamber or is communicated with the breathing air inlet channel of the third chamber; a lower end opening of the third chamber and an upper end opening of the first chamber are in sealing connection; a lower end opening of the first chamber and an upper end opening of the second chamber are in sealing connection; ventilation holes of a pair of nose stoppers on the nose covering body are communicated with the nostril breathing channels; the ventilation holes in the mouth covering body are communicated with the mouth breathing channel. The mouth and nose divided double-chamber double-cover mask can protect a human breathing system comprehensively, reduce the dead chambers to some extent and increase mask wearing comfort.
Description
Technical field
The present invention relates to a kind of respiration filtering device, particularly the two cover mouth mask of a kind of mouth and nose shunting two-chamber.
Background technology
Common mouth mask has a dead space, mostly all mouth and nose is covered, and what want to speak and allow others listen is clear, must remove mouth mask.Sometimes wear a glasses, the bridge of the nose has individual mouth mask frame, glasses also can not be worn reliable.CN202857909U discloses a kind of novel breathing shunting Health care breathing mask, is characterized in mask main body being arranged breathing part flow arrangement.CN2614068Y discloses one and exhales, inhales shunting protector (mouth mask), it can allow expiration, breathing process shunt within the appliance, the hot gas of breathing out when preventing wearer to use, moisture, waste gas, bacterium, nose saliva etc. pollute the acceleration of utensil self, the thalline that wearer breathes out also can not be discharged to beyond this utensil, so effectively the infection sources can be isolated, comfortable unobstructed when wearing.This utensil is except medium, and main material is plastics, paper, moldable combination during production.Above technology for the respiratory system how making mouth mask energy general protection people, and can reduce dead space to a great extent and not provide concrete guidance program.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of mouth and nose to shunt the two cover mouth mask of two-chamber.It can the respiratory system of general protection people, and can reduce dead space to a great extent, increases the comfortableness wearing mouth mask.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows:
The two cover mouth mask of a kind of mouth and nose shunting two-chamber, there is cover nose body, mouth mask rope, filter, described cover nose body at least has a pair nasal obstruction, its technical scheme be the two cover mouth mask of described mouth and nose shunting two-chamber also have cover mouth body, the first check valve, the second check valve, the 3rd check valve, the first cavity with dead space, the second cavity with dead space, with the 3rd cavity, the respiratory passage communicated with its dead space be positioned on the first cavity, the face respiration channel communicated with its dead space be positioned on the second cavity of breathing inlet channel; in the breathing inlet channel that the 3rd cavity is located at by filter or be connected with the breathing inlet channel of the 3rd cavity, the lower port of the 3rd cavity and the upper port of the first cavity are tightly connected, the lower port of the first cavity and the upper port of the second cavity are tightly connected, passage in a pair nasal obstruction of cover nose body is connected with respiratory passage, passage on cover mouth body is connected with face respiration channel, the first check valve that user is ended when being exhaled by conducting during described a pair nasal obstruction air-breathing is installed on first between the breathing inlet channel of the 3rd cavity and the dead space of the first cavity and cuts off on body, the second check valve that user is ended during air-breathing by conducting during a pair described nasal obstruction expiration is installed on second between the dead space of the first cavity and the dead space of the second cavity and cuts off on body, its conducting when user is exhaled by described cover mouth body face and air-breathing time the 3rd check valve that ends be installed on the 3rd of the dead space bottom of the second cavity and cut off on body, above-mentioned mouth mask rope is connected with the first cavity or the second cavity.
In technique scheme, the two cover mouth mask of described mouth and nose shunting two-chamber preferably also has the 4th check valve, the 4th cavity with outlet passageway, the 3rd check valve can be avoided like this to damage, increase the security of wearing mouth mask.The described upper port of the 4th cavity and the lower port of the second cavity are tightly connected, and the 4th check valve is installed on the 4th of the outlet passageway bottom of the 4th cavity and cuts off on body.Above-mentioned first cavity, the second cavity can be all cylindrical, upper port, the lower port of the 3rd cavity can be all rounded, in order to not affect the sight line of wearer, 3rd cavity can (also can be other shape in up-thin-low-thick variable cross-section cylindrical, such as bend pipe shape), the lower port of the 3rd cavity is threaded with the upper port of the first cavity, and the lower port of the first cavity is threaded with the upper port of the second cavity.
Above-mentioned 4th cavity can be cylindrical, the upper port of the 4th described cavity is threaded with the lower port of the second cavity, above-mentioned filter can be connected with the breathing inlet channel of the 3rd cavity, filter can have independent two cartridge filters arranged side by side, each two lids in order to open and close (open or close) air inlet be threaded with the air inlet of a cartridge filter, be located at the air filting material in each cartridge filter, be communicated with the connector of the exhaust outlet of two cartridge filters, in order to not affect the sight line of wearer, connector can be flat (bottom is rounded), air filting material is cotton yarn or filter paper, the exhaust outlet of connector is threaded with the upper port of the 3rd cavity.The upper port of such 3rd cavity can also connect other filtrations or connecting line, and the air inlet of cartridge filter also can connect other filtrations or connecting line, can as required from main separation one or use two simultaneously.Above-mentioned filter can be located in the breathing inlet channel of the 3rd cavity, and filter is cotton yarn or filter paper.Above-mentioned cover nose body can also have the UNICOM's body connecting as one its passage with a pair nasal obstruction and be connected, a pair nasal obstruction can be two upside down funnel formula flexible pipes connected as one that can cover nasal cavity collar extension of hollow, leaving certain gaps uncovered by the economic plan (space) between two flexible pipes, UNICOM's body is preferably cylindrical, and UNICOM's body is threaded with the external port of respiratory passage and the passage in a pair nasal obstruction is connected with respiratory passage.Certainly, cover nose body can also only have a pair nasal obstruction, and this is arranged in independent nasal obstruction, and be all upside down funnel formula flexible pipe, be threaded with the screwed hole on the first cavity wall respectively and be communicated with, the screwed hole on the first cavity wall is respiratory passage.
The present invention has mouth mask rope, filter, cover nose body, cover mouth body, first check valve, second check valve, 3rd check valve, with the first cavity of dead space, with the second cavity of dead space, with the 3rd cavity breathing inlet channel, be positioned at the respiratory passage communicated with its dead space on the first cavity, be positioned at the face respiration channel communicated with its dead space on the second cavity, under normal circumstances, breathe when mouth is different with nose, like this, mouth and nose are just independent of each other, wearer (user) uses the present invention to complete the breathing of mouth and nose, it all protects whole passages of the breathing of mouth and nose, the respiratory function of mouth and nose is made to obtain further performance.Through test, no matter the present invention wearer is unobstructed and comfortable what be engaged in that slight or heavier muscular labor can ensure respiration.Its result of use is good, applied range.The respiratory system of energy general protection people of the present invention, and dead space can be reduced to a great extent, increase the comfortableness wearing mouth mask.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the present invention's structural representation in use.
Fig. 3 is the structural representation of cover nose body in the present invention.
Detailed description of the invention
As Fig. 1, Fig. 2, shown in Fig. 3, the two cover mouth mask of mouth and nose shunting two-chamber of the present invention has cover nose body 13, mouth mask rope 11, filter 14, cover mouth body 10, first check valve 1, second check valve 2, 3rd check valve 3, with the first cavity 6 of dead space, with the second cavity 7 of dead space, with the 3rd cavity 5 breathing inlet channel, the respiratory passage 2(communicated with its dead space be positioned on the first cavity 6 forms respiratory passage at the upper opening of the arc surface of the first cavity), the face respiration channel 9(communicated with its dead space be positioned on the second cavity 7 forms face respiration channel at the upper opening of the arc surface of the second cavity).First cavity 6 and the second cavity 7 with dead space refer to the cavity (confined space) of the first cavity 6 and the cavity (confined space) of the second cavity 7.In the breathing inlet channel that the 3rd cavity 5 is located at by filter 14 or be connected with the breathing inlet channel of the 3rd cavity 5, the lower port of the 3rd cavity 5 and the upper port of the first cavity 6 are tightly connected, the lower port of the first cavity 6 and the upper port of the second cavity 7 are tightly connected, described cover nose body 13 at least has a pair nasal obstruction 13a, passage on a pair nasal obstruction 13a of cover nose body 13 is connected with respiratory passage 12, passage on cover mouth body 10 is connected with face respiration channel 9, the first check valve 1 that user is ended when being exhaled by conducting during described a pair nasal obstruction 13a air-breathing is installed on first between the breathing inlet channel of the 3rd cavity 5 and the dead space of the first cavity 6 and cuts off on body 1 ', the second check valve 2 that user is ended during air-breathing by conducting during described a pair nasal obstruction 13a expiration is installed on second between the dead space of the first cavity 6 and the dead space of the second cavity 7 and cuts off on body 2 ', its conducting when user is exhaled by described cover mouth body face and air-breathing time the 3rd check valve 3 that ends be installed on the 3rd of the dead space bottom of the second cavity 7 and cut off on body 3 '.Above-mentioned its two ends of mouth mask rope 11 are at the first cavity 6 and the junction of the second cavity 7 and two positions of the first cavity 6(or a position) be fixedly connected with.The two ends of mouth mask rope 11 can also be fixedly connected on the second cavity 7 between the second check valve 2 with the 3rd check valve 3 and (other position of the first cavity 6 and the second cavity 7 can also be connected), mouth mask rope 11 is enclosed within head on two ears, this structure mouth mask rope.Or be fixedly connected with (can also be fixedly connected with the two parts on the second cavity 7 between the second check valve 2 with the 3rd check valve 3 respectively with two mouth mask ropes) and be enclosed within two ears respectively with two positions on the first cavity 6 of the junction of the first cavity 6 and the second cavity 7 with two mouth mask ropes respectively, the using method of this using method and common mouth mask rope is similar.The relative distance of above-mentioned first check valve 1, second check valve 2 is less, and the volume of the first cavity 6 will be less, and when respiratory, the dead space of the second cavity 7 has become exhalation passages, and the first cavity 6 can also be used alone.The relative distance of the second check valve 2, the 3rd check valve 3 is less, and the volume of the second cavity 7 will be less, and when breathing with face, the dead space of the first cavity 6 has become air intake passage, and the second cavity 7 can also be used alone.
As shown in Figure 1 and Figure 2, the two cover mouth mask of mouth and nose of the present invention shunting two-chamber can also have the 4th check valve 4, the 4th cavity 8 with outlet passageway, the 3rd check valve 3 can be avoided like this to damage, increase the security of wearing mouth mask.The upper port of the 4th described cavity 8 and the lower port of the second cavity 7 are tightly connected, and the 4th check valve 4 is installed on the 4th of the outlet passageway bottom of the 4th cavity 8 and cuts off on body 4 '.Above-mentioned first cavity 6, second cavity 7 can be all cylindrical, upper port, the lower port of the 3rd cavity 5 are all rounded, in order to not affect the sight line of wearer, 3rd cavity 5 can in up-thin-low-thick variable cross-section cylindrical (not drawing in figure), it also can be other shape, such as bend pipe shape, the lower port of the 3rd cavity 5 is threaded with the upper port of the first cavity 6, and the lower port of the first cavity 6 is threaded with the upper port of the second cavity 7.Above-mentioned 4th cavity 8 can be cylindrical, and the upper port of the 4th described cavity 8 is threaded with the lower port of the second cavity 7.Above-mentioned first cuts off body 1 ' is fixedly connected with the upper port (upper port of the cavity of the first cavity 6) of the dead space of the first cavity 6, second cuts off body 2 ' is fixedly connected with the upper port (upper port of the cavity of the second cavity 7) of the dead space of the second cavity 7,3rd cuts off body 3 ' is fixedly connected with the upper port (upper port of the cavity of the 4th cavity 8) of the outlet passageway of the 4th cavity 8, and the 4th cuts off body 4 ' is fixedly connected with the lower port (lower port of the cavity of the 4th cavity 8) of the outlet passageway of the 4th cavity 8.
As shown in Figure 1, Figure 2, Figure 3 shows, because mouth and nostril have different external physiologic structures, therefore cover nose body is different from the structure of cover mouth body.Above-mentioned cover nose body 13 also has the 13a that to have a stuffy nose with a pair and connects as one the UNICOM body 13b that its passage is connected, a pair nasal obstruction 13a can be two upside down funnel formula flexible pipes connected as one that can cover nasal cavity collar extension of hollow, leaving certain gaps uncovered by the economic plan (space) between two flexible pipes, flexible pipe can be made to clamp outer vent place, nostril, do not come off easily to make cover nose body.UNICOM body 13b can be cylindrical, cavity on UNICOM's body is passage, cavity (passage) on UNICOM's body is connected with the passage of to have a stuffy nose on 13a for a pair, and UNICOM body 13b is threaded with the external port of respiratory passage 12 and the passage in a pair nasal obstruction is connected with respiratory passage.Certainly, cover nose body 13 can also only have a pair nasal obstruction 13a, this is arranged in independent nasal obstruction, be all upside down funnel formula flexible pipe, be threaded with the screwed hole on the first cavity wall respectively and be communicated with, the screwed hole on the first cavity wall is in respiratory passage 12(this kind of structure chart and does not draw).Above-mentioned cover mouth body 10 can be the software lid that can cover face of hollow, and the bottom of cover mouth body 10 is threaded with the external port of face respiration channel 9 and is connected.During use, face is close on the top of cover mouth body 10.
As shown in Figure 1 and Figure 2, above-mentioned filter 14 can be connected with the breathing inlet channel of the 3rd cavity 5, filter 14 have side by side independent (being arranged in parallel) be set two cartridge filters 141, be respectively threaded with the air inlet of a cartridge filter in order to open and close two lids 142 of (open or close) air inlet, the air filting material 143 be located in each cartridge filter, to be communicated with the connector 144 of the exhaust outlet of two cartridge filters, in order to not affect the sight line of wearer, connector can be flat (bottom is rounded).Air filting material 143 can be cotton yarn or filter paper or other filtering material, and the exhaust outlet of connector 144 is threaded with the upper port of the 3rd cavity 5.The upper port of such 3rd cavity 5 can also connect other filtration or connecting line, and the air inlet of cartridge filter 141 also can connect other filtration or connecting line, can as required from main separation one or use two simultaneously.Certainly, in the breathing inlet channel that above-mentioned filter 14 can also be located at the 3rd cavity 5 (can be positioned at the upper port place of the 3rd cavity), filter 14 can be cotton yarn or filter paper or other filtering material, does not draw in this kind of structure chart.Above-mentioned cover nose body 13, cover mouth body 10 can be made up of plastics or other material.First cavity 6, second cavity 7, the 3rd cavity 5, the 4th cavity 8 can be made up of plastic tube or other material.First cuts off body 1 ', the second partition body 2 ', the 3rd cuts off body 3 ', the 4th partition body 4 ' can be made up of plastics (plate) or other material.The structure of above-mentioned each check valve is originally as prior art.
A pair of cover nose body 13 nasal obstruction 13a in use, inserts and closes nostril, cover mouth body 10 being covered oral cavity, is enclosed within head by mouth mask rope 11 above two ears by the present invention.The air that wearer nostril sucks by the filtration of filter 14 again through the dead space of the breathing inlet channel of the 3rd cavity 5, the first check valve 1, first cavity 6, respiratory passage 12 and enter in a pair nasal obstruction 11a of cover nose body 13, clean air is sucked, by the outlet passageway of the dead space of the dead space of respiratory passage 12, first cavity 6, the second check valve 2, second cavity 7, the 3rd check valve 3, the 4th cavity 8, the 4th check valve 4 and discharging during expiration eventually through nostril.Due under normal circumstances, breathe when mouth is different with nose, user (wearer) can also by the face respiration channel 9 on described cover mouth body 10, the dead space of the second cavity 7 is breathed, namely the air that user's face sucks passes through the filtration of filter 14 again through the breathing inlet channel of the 3rd cavity 5, first check valve 1, the dead space of the first cavity 6, second check valve 2, the dead space of the second cavity 7, face respiration channel 9 and enter cover mouth body 10, clean air is sucked eventually through face, by face respiration channel 9 during expiration, the dead space of the second cavity 7, 3rd check valve 3, the outlet passageway of the 4th cavity 8, 4th check valve 4 and discharging.Result of use of the present invention is good, applied range.
Claims (9)
1. the two cover mouth mask of mouth and nose shunting two-chamber, there is cover nose body (13), mouth mask rope (11), filter (14), described cover nose body (13) at least has a pair nasal obstruction (13a), it is characterized in that the described two cover mouth mask of mouth and nose shunting two-chamber also has cover mouth body (10), first check valve (1), second check valve (2), 3rd check valve (3), with first cavity (6) of dead space, with second cavity (7) of dead space, with the 3rd cavity (5) breathing inlet channel, be positioned at the respiratory passage (12) communicated with its dead space on the first cavity (6), be positioned at the face respiration channel (9) communicated with its dead space on the second cavity (7), in the breathing inlet channel that the 3rd cavity (5) is located at by filter (14) or be connected with the breathing inlet channel of the 3rd cavity (5), the lower port of the 3rd cavity (5) and the upper port of the first cavity (6) are tightly connected, the lower port of the first cavity (6) and the upper port of the second cavity (7) are tightly connected, passage in a pair nasal obstruction (13a) of cover nose body (13) is connected with respiratory passage (12), passage on cover mouth body (10) is connected with face respiration channel (9), when user is exhaled by conducting during described a pair nasal obstruction (13a) air-breathing, first check valve (1) of cut-off is installed between the breathing inlet channel of the 3rd cavity (5) and the dead space of the first cavity (6) first cuts off on body (1 '), conducting when user is exhaled by described a pair nasal obstruction (13a) and air-breathing time the second check valve (2) of ending be installed on second between the dead space of the first cavity (6) and the dead space of the second cavity (7) and cut off on body (2 '), its conducting when user is exhaled by described cover mouth body face and air-breathing time the 3rd check valve (3) that ends be installed on the 3rd of the dead space bottom of the second cavity (7) and cut off on body (3 '), above-mentioned mouth mask rope (11) is connected with the first cavity (6) or the second cavity (7).
2. the two cover mouth mask of mouth and nose shunting two-chamber according to claim 1, it is characterized in that it also has the 4th check valve (4), the 4th cavity (8) with outlet passageway, the described upper port of the 4th cavity (8) and the lower port of the second cavity (7) are tightly connected, and the 4th check valve (4) is installed on the 4th of the outlet passageway bottom of the 4th cavity (8) and cuts off on body (4 ').
3. the two cover mouth mask of mouth and nose shunting two-chamber according to claim 1, it is characterized in that above-mentioned first cavity (6), the second cavity (7) all in cylindrical, upper port, the lower port of the 3rd cavity (5) are all rounded, the lower port of the 3rd cavity (5) is threaded with the upper port of the first cavity (6), and the lower port of the first cavity (6) is threaded with the upper port of the second cavity (7).
4. the two cover mouth mask of mouth and nose shunting two-chamber according to claim 2, it is characterized in that above-mentioned 4th cavity (8) is in cylindrical, the upper port of the 4th described cavity (8) is threaded with the lower port of the second cavity (7).
5. the two cover mouth mask of mouth and nose shunting two-chamber according to claim 1, it is characterized in that above-mentioned filter (14) is connected with the breathing inlet channel of the 3rd cavity (5), filter (14) has independent two cartridge filters (141) arranged side by side, each two lids (142) in order to open and close air inlet be threaded with the air inlet of a cartridge filter, be located at the air filting material (143) in each cartridge filter, be communicated with the connector (144) of the exhaust outlet of two cartridge filters, air filting material (143) is cotton yarn or filter paper, the exhaust outlet of connector (144) is threaded with the upper port of the 3rd cavity (5).
6. the two cover mouth mask of mouth and nose shunting two-chamber according to claim 1, it is characterized in that above-mentioned filter (14) is located in the breathing inlet channel of the 3rd cavity (5), filter (14) is cotton yarn or filter paper.
7. the two cover mouth mask of mouth and nose shunting two-chamber according to claim 1, it is characterized in that above-mentioned cover nose body (13) also has the UNICOM's body (13b) connecting as one its passage with a pair nasal obstruction (13a) and be connected, two upside down funnel formula flexible pipes connected as one that can cover nasal cavity collar extension that a pair nasal obstruction (13a) is hollow, leaving certain gaps uncovered by the economic plan between two flexible pipes, UNICOM's body (13b) is cylindrical, UNICOM's body (13b) is threaded with the external port of respiratory passage (12) and the passage in a pair nasal obstruction is connected with respiratory passage.
8. the two cover mouth mask of mouth and nose shunting two-chamber according to claim 1, it is characterized in that the software lid that can cover face that above-mentioned cover mouth body (10) is hollow, the bottom of cover mouth body (10) is threaded with the external port of face respiration channel (9) and is connected.
9. the two cover mouth mask of mouth and nose shunting two-chamber according to claim 1, is characterized in that above-mentioned its two ends of mouth mask rope (11) are fixedly connected with the first cavity (6) with the junction of the second cavity (7) at the first cavity (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410549720.3A CN104258514B (en) | 2014-10-17 | 2014-10-17 | The double cover mask of mouth and nose shunting two-chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410549720.3A CN104258514B (en) | 2014-10-17 | 2014-10-17 | The double cover mask of mouth and nose shunting two-chamber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104258514A true CN104258514A (en) | 2015-01-07 |
| CN104258514B CN104258514B (en) | 2016-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410549720.3A Active CN104258514B (en) | 2014-10-17 | 2014-10-17 | The double cover mask of mouth and nose shunting two-chamber |
Country Status (1)
| Country | Link |
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| CN (1) | CN104258514B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108158087A (en) * | 2018-02-07 | 2018-06-15 | 薛依凡 | A kind of Anti-moisture gauzemask |
| CN115282411A (en) * | 2022-01-14 | 2022-11-04 | 温州医科大学 | Delivery system for delivering drugs into the brain using the nasal olfactory region and method of use thereof |
| CN115300726A (en) * | 2022-01-14 | 2022-11-08 | 温州医科大学 | Special nasal delivery system and application method thereof |
| CN115666735A (en) * | 2020-03-16 | 2023-01-31 | 姆蓬泰罗股份有限公司 | Breathing apparatus |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB209560A (en) * | 1922-11-23 | 1924-01-17 | Kiep G M B H Geb | A new or improved breathing mask or inhaler |
| GB261470A (en) * | 1925-08-19 | 1926-11-19 | Charles Laurence Burdick | Improvements in respirators |
| CN2074192U (en) * | 1990-08-28 | 1991-04-03 | 周柏云 | Dust-proof unsuffocative mouthpiece |
| CN2614068Y (en) * | 2003-05-10 | 2004-05-05 | 王士毅 | Protector (mouth mask) for shunting exhale and inhale |
| CN2649120Y (en) * | 2003-07-28 | 2004-10-20 | 陈春松 | Wet dust-proof gas-defense mouthpiece |
| US20040226563A1 (en) * | 2003-05-12 | 2004-11-18 | Zhaoxia Xu | Face Mask with Double Breathing Chambers |
| CN200977346Y (en) * | 2006-11-14 | 2007-11-21 | 蔡建华 | Electronic dust-proof gauze mask |
-
2014
- 2014-10-17 CN CN201410549720.3A patent/CN104258514B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB209560A (en) * | 1922-11-23 | 1924-01-17 | Kiep G M B H Geb | A new or improved breathing mask or inhaler |
| GB261470A (en) * | 1925-08-19 | 1926-11-19 | Charles Laurence Burdick | Improvements in respirators |
| CN2074192U (en) * | 1990-08-28 | 1991-04-03 | 周柏云 | Dust-proof unsuffocative mouthpiece |
| CN2614068Y (en) * | 2003-05-10 | 2004-05-05 | 王士毅 | Protector (mouth mask) for shunting exhale and inhale |
| US20040226563A1 (en) * | 2003-05-12 | 2004-11-18 | Zhaoxia Xu | Face Mask with Double Breathing Chambers |
| CN2649120Y (en) * | 2003-07-28 | 2004-10-20 | 陈春松 | Wet dust-proof gas-defense mouthpiece |
| CN200977346Y (en) * | 2006-11-14 | 2007-11-21 | 蔡建华 | Electronic dust-proof gauze mask |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108158087A (en) * | 2018-02-07 | 2018-06-15 | 薛依凡 | A kind of Anti-moisture gauzemask |
| CN115666735A (en) * | 2020-03-16 | 2023-01-31 | 姆蓬泰罗股份有限公司 | Breathing apparatus |
| CN115282411A (en) * | 2022-01-14 | 2022-11-04 | 温州医科大学 | Delivery system for delivering drugs into the brain using the nasal olfactory region and method of use thereof |
| CN115300726A (en) * | 2022-01-14 | 2022-11-08 | 温州医科大学 | Special nasal delivery system and application method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104258514B (en) | 2016-10-05 |
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