CN113244543B - Equipment is strained to nose of protection type - Google Patents
Equipment is strained to nose of protection type Download PDFInfo
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- CN113244543B CN113244543B CN202110372292.1A CN202110372292A CN113244543B CN 113244543 B CN113244543 B CN 113244543B CN 202110372292 A CN202110372292 A CN 202110372292A CN 113244543 B CN113244543 B CN 113244543B
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- ring
- rod
- plug
- filter
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B23/00—Filters for breathing-protection purposes
- A62B23/06—Nose filters
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- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
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- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention discloses a protective nasal filtering device, which comprises a first stopper rod and a second stopper rod, wherein the second stopper rod is arranged on one side of the first stopper rod, and filtering and protecting components are respectively arranged at the bottoms of the first stopper rod and the second stopper rod.
Description
Technical Field
The invention relates to the technical field of nasal protection, in particular to a protective nasal filter device.
Background
In daily life, people are easy to have respiratory tract problems, so that the health of the people is threatened, viruses are easy to spread through the respiratory tract, and in order to block the spread of external diseases, people usually choose to wear a mask to shield the mouth and the nose, so that pollutants, spray and the like in the air are filtered, and the spread of diseases and the respiratory tract problems are further reduced;
however, the existing mask covers half of the face to the greatest extent, so that people can recognize the face, the mask is made of more materials, and many people wear the mask in an interference manner, so that the nasal obstruction plugged in the nose becomes a protection tool which is urgently needed by people at present.
Disclosure of Invention
The invention provides a protective nasal filter device which can effectively solve the problem that the existing mask in the background technology shields a face as much as half, so that people can recognize the mask, the mask is made of more materials, and many people wear the mask in an interference manner, and accordingly nasal plugs plugged in the nose become a protective tool which is urgently needed by people at present.
In order to achieve the purpose, the invention provides the following technical scheme: a protective nasal filtering device comprises a first plug rod and a second plug rod, wherein the second plug rod is arranged on one side of the first plug rod, and filtering protective components are arranged at the bottoms of the first plug rod and the second plug rod;
the filtering protection component comprises an upper filter screen, a threaded connecting ring, a filter cartridge, a protection screen plate, a baffle ring, a lower filter screen, a connecting shaft and a fixed soft cushion;
first cock pole and second cock pole bottom inboard all splice and have the filter screen, the inboard equal threaded connection in bottom of first cock pole and second cock pole has threaded connection ring, threaded connection ring's bottom is spliced and is had the cartridge filter, the bottom fusion of cartridge filter has protection network board, the inboard bottom of cartridge filter corresponds protection network board top position department and splices and has the fender ring, the inboard bottom of cartridge filter corresponds and keeps off ring top position department joint and has lower filter screen, the outer end of first cock pole and second cock pole all splices and has the connecting axle, connecting axle end portion has cup jointed fixed cushion.
According to the technical scheme, the first plug rod and the second plug rod are both of hollow tubular structures, threads are formed in the bottom end of the inner side of the first plug rod, the bottom end of the inner side of the second plug rod and the outer side of the threaded connecting ring, and the top end of the threaded connecting ring is attached to the bottom end of the upper filter screen.
According to the technical scheme, the interior of the filter cylinder is filled with activated carbon, and the outer diameter of the middle part of the filter cylinder is 1.2 times of the outer diameter of the bottom end of the filter cylinder;
the structure of the upper filter screen is equal to that of the lower filter screen, and the mesh diameter of the protective mesh plate is twice that of the lower filter screen.
According to the technical scheme, the middle part of the fixed soft pad is provided with the embedding hole, the connecting shaft is fixedly clamped inside the fixed soft pad, and the fixed soft pad is of a semi-ellipsoid structure.
According to the technical scheme, the top parts of the first plug rod and the second plug rod are respectively provided with a fixing assembly, and the fixing assemblies comprise external thread rings, a rotating disc, a connecting screen plate, a fine screw rod, a twisting block, a rubber soft plug, an elastic silica gel strip and a water absorption sponge;
the utility model discloses a flexible plug, including first gag lever post, second gag lever post, the top of first gag lever post and second gag lever post is installed the external screw thread ring, the outside threaded connection of external screw thread ring has the rolling disc, the mid-mounting of rolling disc has the connection otter board, the middle part threaded connection of connecting the otter board has thin screw rod, the bottom symmetry of thin screw rod is spliced and is twisted the piece, the top of thin screw rod is spliced there is the soft stopper of rubber, the bottom of the soft stopper of rubber evenly splices the elastic silica gel strip, the top joint of rolling disc has the sponge that absorbs water, the outer terminal surface of rolling disc bottom rotates and installs the rolling ring.
According to the technical scheme, the rotating disc and the connecting screen plate are of an integrated structure, and the middle of the connecting screen plate is provided with a rotating screw hole.
According to the technical scheme, a plurality of strip-shaped grooves are formed in the positions, corresponding to the elastic silica gel strips, of the top end of the rotating ring, and the bottoms of the elastic silica gel strips are connected in the strip-shaped grooves formed in the top end of the rotating ring in an adhesive mode.
According to the technical scheme, the bottom ends of the first plug rod and the second plug rod are provided with the connecting assembly, and the connecting assembly comprises a first limiting ring, a semicircular supporting rod, a rubber fixing ring, a clamping hole, a positioning hole, a second limiting ring, a semicircular connecting rod, a clamping block and a positioning ring;
the bottom joint of first gag lever post has first spacing ring, the semicircular support pole is installed in the outside of first spacing ring, the solid fixed ring of rubber has been cup jointed to a semicircular support pole tip correspondence first spacing ring position department, the joint hole has been seted up in the top equidistance of semicircular support pole runs through, the solid fixed ring's of rubber bottom runs through and has seted up the locating hole, the bottom joint of second gag lever post has the second spacing ring, the semicircle connecting rod is installed to the outer terminal surface of second spacing ring, the joint piece is installed in the embedding of semicircle connecting rod bottom both ends, a tip of semicircle connecting rod corresponds second spacing ring position department fixed mounting and has the holding ring.
According to the technical scheme, the rubber strips are glued to the inner sides of the first limiting ring and the second limiting ring, and the top end of the semicircular support rod is connected with the bottom end of the semicircular connection rod in a laminating mode.
According to the technical scheme, the joint block is connected in the joint hole in a clamped mode, the semicircular connecting rod is connected inside the rubber fixing ring in a clamped mode, one end of the semicircular supporting rod is connected inside the positioning ring in a clamped mode, and the bottom of the joint block is connected in the positioning hole in a clamped mode.
Compared with the prior art, the invention has the following beneficial effects: the invention has scientific and reasonable structure and safe and convenient use:
1. through setting up the filter screen, the threaded connection ring, the cartridge filter, protection otter board, keep off the ring, filter screen down, connecting axle and fixed cushion, twist the rolling disc in external screw thread ring outside, with first stopper in the nostril, make outside air pass through inside the protection otter board gets into the cartridge filter, through inside active carbon adsorption of cartridge filter and block, pollutant and droplet in the air absorb and block, can effectually play the effect of protection, and the device is difficult for being seen out in arranging the nostril and concealerly good, the convenience is used at public occasion, replace the gauze mask, play the effect of filtering the air of inhaling in the nose, can take precautions against the haze again, pollen, catkin, dust and virus enter the respiratory track, simultaneously can eliminate the psychological obstacle of wearing the gauze mask again.
2. Through setting up the external screw thread ring, the rolling disc, connect the otter board, thin screw rod, twist the piece, the soft stopper of rubber, the elastic silica gel strip, sponge and rotating ring absorb water, according to user's nostril size, twist thin screw rod, make thin screw rod, thereby rotate and drive the soft stopper of rubber, elastic silica gel strip and rotating ring rotate along the rolling disc, thereby make the soft stopper of rubber move down, receive the back that blocks of rotating ring, the elastic silica gel strip is outside crooked, make many elastic silica gel strips form lantern form structure, thereby make the external diameter increase of elastic silica gel strip position to suitable size, thereby can make in the nostril of equidimension not.
3. Through setting up first spacing ring, the semicircle bracing piece, the solid fixed ring of rubber, the joint hole, the locating hole, the second spacing ring, the semicircle connecting rod, joint piece and holding ring, with first spacing ring and second spacing ring joint respectively in the cartridge filter bottom of first gag lever post and second gag lever post bottom, with joint piece joint inside the locating hole, it is fixed with the semicircle connecting rod to make the semicircle bracing piece, when first gag lever post and second gag lever post fill in the nostril, two fixed cushions and the laminating of nasal cavity inner wall, press from both sides the nose middle part tightly, make the firm fixing inside the nose of device, make things convenient for the fixed of first gag lever post and second gag lever post and take simultaneously.
Drawings
The accompanying drawings, which 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 principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the fixed cushion of the present invention;
FIG. 3 is a schematic view of the construction of a fine screw according to the present invention;
FIG. 4 is a schematic view of the lower screen of the present invention;
FIG. 5 is a schematic structural diagram of the clamping block of the present invention;
FIG. 6 is a schematic view of the positioning hole of the present invention;
reference numbers in the figures: 1. a first stopper rod; 2. a second stopper rod;
3. a fixing assembly; 301. an externally threaded ring; 302. rotating the disc; 303. connecting the screen plate; 304. a fine screw; 305. screwing the block; 306. a rubber soft plug; 307. an elastic silica gel strip; 308. a water-absorbing sponge; 309. a rotating ring;
4. a filtration and protection component; 401. a filter screen is arranged; 402. a threaded connection ring; 403. a filter cartridge; 404. a protective screen plate; 405. a baffle ring; 406. a filter screen is arranged; 407. a connecting shaft; 408. fixing the soft cushion;
5. a connecting assembly; 501. a first limit ring; 502. a semicircular supporting rod; 503. a rubber fixing ring; 504. a clamping hole; 505. positioning holes; 506. a second stop collar; 507. a semicircular connecting rod; 508. a clamping block; 509. a retaining ring.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it should be understood that they are presented herein only to illustrate and explain the present invention and not to limit the present invention.
Example (b): as shown in fig. 1-6, the present invention provides a technical solution, a protective nasal filtering device, including a first plug rod 1 and a second plug rod 2, wherein the second plug rod 2 is installed on one side of the first plug rod 1, and a filtering protection component 4 is installed on the bottom of each of the first plug rod 1 and the second plug rod 2;
the filtering and protecting assembly 4 comprises an upper filter screen 401, a threaded connecting ring 402, a filter cartridge 403, a protecting screen plate 404, a baffle ring 405, a lower filter screen 406, a connecting shaft 407 and a fixed cushion 408;
the bottom inner sides of the first plug rod 1 and the second plug rod 2 are all glued with an upper filter screen 401, the bottom inner sides of the first plug rod 1 and the second plug rod 2 are all in a hollow tubular structure, the bottom inner sides of the first plug rod 1 and the second plug rod 2 are all in a threaded connection ring 402, threads are arranged at the bottom inner side of the second plug rod 2 and the outside of the threaded connection ring 402, the top end of the threaded connection ring 402 is attached to the bottom end of the upper filter screen 401, the installation of the threaded connection ring 402 is facilitated, the bottom end of the threaded connection ring 402 is glued with a filter cartridge 403, the middle outer diameter of the filter cartridge 403 is 1.2 times of the bottom outer diameter of the filter cartridge, the installation of the first limit ring 501 and the second limit ring 506 is facilitated, the inside of the filter cartridge is filled with activated carbon, the bottom end of the filter cartridge 403 is welded with a protective screen 404, the bottom inner side of the filter cartridge 403 is glued with a baffle ring 405 corresponding to the top end position of the protective screen 404, the bottom inner side of the filter cartridge 403 is in a position corresponding to the baffle ring 405, the bottom of the filter cartridge 403 is in a position of the baffle ring 406, the middle part is clamped with a lower filter screen 406, the structure, the outer end of the filter screen 408 is equal to the structure of the filter screen 408, the outer end of the filter cartridge 408, the outer end of the filter screen 408, the filter cartridge 408 is fixed to the outer end of the cushion 407, the filter screen 408, the middle of the cushion 407, the cushion 408 fixed connection ring 408 fixed to the fixed connection shaft 407, the fixed connection ring 408, the cushion 408, the middle of the cushion 408, the cushion 407 fixed connection ring 408, the cushion 408.
The top parts of the first stopper rod 1 and the second stopper rod 2 are both provided with a fixing component 3, and the fixing component 3 comprises an external thread ring 301, a rotating disc 302, a connecting net plate 303, a fine screw 304, a screwing block 305, a rubber soft plug 306, an elastic silica gel strip 307 and a water absorption sponge 308;
outer screw thread ring 301 is all installed on the top of first gag lever post 1 and second gag lever post 2, the outside threaded connection of outer screw thread ring 301 has rolling disc 302, the mid-mounting of rolling disc 302 has connection otter board 303, rolling disc 302 and the formula structure as an organic whole of being connected otter board 303, the rotation screw has been seted up at the middle part of connecting otter board 303, conveniently connect the connection of otter board 303, the middle part threaded connection of connecting otter board 303 has thin screw rod 304, the bottom symmetric joint of thin screw rod 304 has twisting block 305, the top of thin screw rod 304 has glued joint rubber soft stopper 306, the even glued joint of bottom of rubber soft stopper 306 has elastic silica gel strip 307, the top joint of rolling disc 302 has water absorption sponge 308, the outer terminal surface rotation in rolling disc 302 bottom installs rolling ring 309, the top of rolling ring 309 corresponds elastic silica gel strip 307 position department and has seted up a plurality of bar grooves, elastic silica gel strip 307 bottom glue joint is installed in rolling ring top bar inslot portion, make things convenient for the installation of elastic silica gel strip 307.
The bottom ends of the first stopper rod 1 and the second stopper rod 2 are provided with a connecting component 5, and the connecting component 5 comprises a first limiting ring 501, a semicircular supporting rod 502, a rubber fixing ring 503, a clamping hole 504, a positioning hole 505, a second limiting ring 506, a semicircular connecting rod 507, a clamping block 508 and a positioning ring 509;
the bottom end of the first plug rod 1 is clamped with a first limiting ring 501, a semicircular supporting rod 502 is installed outside the first limiting ring 501, a rubber fixing ring 503 is sleeved at a position, corresponding to the position of the first limiting ring 501, of one end of the semicircular supporting rod 502, a clamping hole 504 is formed in the top end of the semicircular supporting rod 502 in an equidistant penetrating mode, a positioning hole 505 is formed in the bottom end of the rubber fixing ring 503 in a penetrating mode, a second limiting ring 506 is clamped at the bottom end of the second plug rod 2, rubber strips are spliced on the inner sides of the first limiting ring 501 and the second limiting ring 506, the first limiting ring 501 and the second limiting ring 506 are clamped and fixed, a semicircular connecting rod 507 is installed on the outer end face of the second limiting ring 506, the top end of the semicircular supporting rod 502 is connected with the bottom end of the semicircular connecting rod 507 in a laminating mode, the semicircular supporting rod 502 is connected with the semicircular connecting rod 507, clamping blocks 508 are embedded into the two bottom end portions of the semicircular connecting rod 507, one end of the semicircular connecting rod 507 is clamped with a clamping block 508, one end of the semicircular connecting rod 507 is clamped inside the positioning hole 509, a positioning hole 509 is clamped into the positioning ring 505, and the bottom of the semicircular supporting rod 508 is clamped into the rubber fixing ring 503.
The working principle and the using process of the invention are as follows: before use, the activated carbon is loaded inside the filter cylinder 403, the filter cylinder 403 is screwed at the bottom ends of the first stopper rod 1 and the second stopper rod 2 respectively, then the fine screw 304 is screwed according to the size of the nostrils of a user, the fine screw 304 is rotated to drive the rubber soft plug 306, the elastic silica gel strips 307 and the rotating ring 309 to rotate along the rotating disc 302, so that the rubber soft plug 306 moves downwards, after being blocked by the rotating ring 309, the elastic silica gel strips 307 bend outwards, so that the plurality of elastic silica gel strips 307 form a lantern-shaped structure, and the outer diameter of the position of the elastic silica gel strips 307 is increased to a proper size, so that the filter cylinder can be used in the nostrils with different sizes;
then the rotating disc 302 is screwed outside the external thread ring 301, the first stopper rod 1 is plugged in the nostril, so that the outside air enters the filter cylinder 403 through the protective screen 404, and then is adsorbed and blocked by the activated carbon in the filter cylinder 403, so that pollutants and droplets in the air are absorbed and blocked, the protective effect can be effectively achieved, and the device is placed in the nostril and is not easy to see, so that the device is convenient to use in public places;
when the first stopper rod 1 and the second stopper rod 2 are combined, the first limiting ring 501 is clamped at the bottom of the filter cartridge 403 at the bottom end of the first stopper rod 1, the semicircular supporting rod 502 and the connecting shaft 407 at the bottom of the first stopper rod 1 are positioned at the same side, the second limiting ring 506 is clamped at the bottom of the filter cartridge 403 at the bottom end of the second stopper rod 2, the second limiting ring 506 at the bottom of the second stopper rod 2 and the connecting shaft 407 are positioned at the same side, then the clamping block 508 is clamped inside the positioning hole 505, the first stopper rod 1 and the second stopper rod 2 are just clamped in two nostrils 503, then the rubber fixing ring is sleeved outside the semicircular connecting rod 507, the positioning hole 505 is sleeved outside the bottom of the clamping block 508, the semicircular supporting rod 502 and the semicircular connecting rod 507 are fixed, when the first stopper rod 1 and the second stopper rod 2 are plugged in the nostrils, the two fixing cushions 408 are attached to the inner wall of the nasal cavity, the middle of the nose is clamped, the device is firmly fixed inside the nose, and the first stopper rod 1 and the second stopper rod 2 can be taken out simultaneously.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a nose of protection type strains equipment which characterized in that: the filter plug comprises a first plug rod (1) and a second plug rod (2), wherein the second plug rod (2) is installed on one side of the first plug rod (1), and filter protection components (4) are installed at the bottoms of the first plug rod (1) and the second plug rod (2);
the filtering and protecting assembly (4) comprises an upper filter screen (401), a threaded connecting ring (402), a filter cylinder (403), a protecting screen plate (404), a baffle ring (405), a lower filter screen (406), a connecting shaft (407) and a fixed cushion (408);
the filter screen (401) has been glued to first gag lever post (1) and second gag lever post (2) bottom inboard all, the inboard equal threaded connection in bottom of first gag lever post (1) and second gag lever post (2) has threaded connection ring (402), the bottom of threaded connection ring (402) is glued there is cartridge filter (403), the bottom of cartridge filter (403) has welded protection otter board (404), the inboard bottom of cartridge filter (403) corresponds protection otter board (404) top position department and is glued and has kept off ring (405), the inboard bottom of cartridge filter (403) corresponds and keeps off ring (405) top position department joint and have lower filter screen (406), the outer end of first gag lever post (1) and second gag lever post (2) all is glued and has been connected connecting axle (407), fixed cushion (408) has been cup jointed to connecting axle (407) tip;
the top of each of the first plug rod (1) and the second plug rod (2) is provided with a fixing component (3), and each fixing component (3) comprises an external thread ring (301), a rotating disc (302), a connecting net plate (303), a thin screw rod (304), a screwing block (305), a rubber soft plug (306), an elastic silica gel strip (307) and a water absorption sponge (308);
the utility model discloses a plug device, including first stopper rod (1) and second stopper rod (2), the top of first stopper rod (1) and second stopper rod (2) all installs external screw thread ring (301), the outside threaded connection of external screw thread ring (301) has rolling disc (302), the mid-mounting of rolling disc (302) has connection otter board (303), the middle part threaded connection of connecting otter board (303) has thin screw rod (304), the bottom symmetry of thin screw rod (304) is glued and is twisted piece (305), the top of thin screw rod (304) is glued and is connected rubber soft stopper (306), the bottom of rubber soft stopper (306) is even glued and is had elasticity silica gel strip (307), the top joint of rolling disc (302) has water absorption sponge (308), the outer terminal surface rotation in bottom of rolling disc (302) is installed rotating ring (309);
the bottom ends of the first plug rod (1) and the second plug rod (2) are provided with a connecting assembly (5), and the connecting assembly (5) comprises a first limiting ring (501), a semicircular supporting rod (502), a rubber fixing ring (503), a clamping hole (504), a positioning hole (505), a second limiting ring (506), a semicircular connecting rod (507), a clamping block (508) and a positioning ring (509);
the bottom joint of first gag lever post (1) has first spacing ring (501), semicircular support pole (502) are installed in the outside of first spacing ring (501), the solid fixed ring of rubber (503) has been cup jointed to a semicircular support pole (502) tip correspondence first spacing ring (501) position department, the top equidistance of semicircular support pole (502) is run through and has been seted up joint hole (504), locating hole (505) have been seted up in the bottom of the solid fixed ring of rubber (503) through, the bottom joint of second gag lever post (2) has second spacing ring (506), semicircle connecting rod (507) are installed to the outer terminal surface of second spacing ring (506), joint piece (508) are installed in semicircle connecting rod (507) bottom both ends embedding, a tip of semicircle connecting rod (507) corresponds second spacing ring (506) position department fixed mounting and has holding ring (509).
2. The nasal filter device of a protection type according to claim 1, wherein the first plug rod (1) and the second plug rod (2) are both hollow tubular structures, the bottom end of the inner side of the first plug rod (1), the bottom end of the inner side of the second plug rod (2) and the outer side of the threaded connection ring (402) are all threaded, and the top end of the threaded connection ring (402) is attached to the bottom end of the upper filter screen (401).
3. A protective nasal filter device according to claim 1, wherein the inside of the filter cartridge (403) is filled with activated carbon, and the outer diameter of the middle part of the filter cartridge (403) is 1.2 times of the outer diameter of the bottom end thereof;
the upper filter screen (401) and the lower filter screen (406) are equal in structure, and the mesh diameter of the protective mesh plate (404) is twice that of the lower filter screen (406).
4. The protective nasal filtering device according to claim 1, wherein an insertion hole is formed in the middle of the fixed cushion (408), the connecting shaft (407) is fixedly clamped inside the fixed cushion (408), and the fixed cushion (408) is of a semi-ellipsoidal structure.
5. The protective nasal filter device according to claim 1, wherein the rotating disc (302) and the connecting mesh plate (303) are of an integrated structure, and a rotating screw hole is formed in the middle of the connecting mesh plate (303).
6. The protective nasal filter device according to claim 1, wherein a plurality of strip-shaped grooves are formed in the top end of the rotating ring (309) at positions corresponding to the elastic silica gel strips (307), and the bottoms of the elastic silica gel strips (307) are glued inside the strip-shaped grooves formed in the top end of the rotating ring (309).
7. The protective nasal filter equipment according to claim 1, wherein rubber strips are glued to the inner sides of the first limiting ring (501) and the second limiting ring (506), and the top end of the semicircular support rod (502) is connected with the bottom end of the semicircular connecting rod (507).
8. The protective nasal filter device according to claim 1, wherein the clamping block (508) is clamped in the clamping hole (504), the semicircular connecting rod (507) is clamped in the rubber fixing ring (503), one end of the semicircular supporting rod (502) is clamped in the positioning ring (509), and the bottom of the clamping block (508) is clamped in the positioning hole (505).
Priority Applications (1)
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CN202110372292.1A CN113244543B (en) | 2021-04-07 | 2021-04-07 | Equipment is strained to nose of protection type |
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CN202110372292.1A CN113244543B (en) | 2021-04-07 | 2021-04-07 | Equipment is strained to nose of protection type |
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CN113244543A CN113244543A (en) | 2021-08-13 |
CN113244543B true CN113244543B (en) | 2022-10-14 |
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Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2003117014A (en) * | 2001-10-15 | 2003-04-22 | Uchiyama Toyoko | Pinpoint mask |
CN204050721U (en) * | 2014-02-20 | 2014-12-31 | 俞家琛 | A kind of rhinobyon filter |
CN204134075U (en) * | 2014-09-15 | 2015-02-04 | 翁志强 | Built-in asal filter |
CN204352406U (en) * | 2014-11-21 | 2015-05-27 | 皮埃尔·马科尼 | A kind of air filter be placed in nasal cavity |
CN204637203U (en) * | 2015-03-23 | 2015-09-16 | 中国人民解放军总医院 | A kind of tube of oxygen for medicine |
CN108261273A (en) * | 2018-01-15 | 2018-07-10 | 刘路清 | A kind of orthopedic appliance for nose finishing |
CN211751903U (en) * | 2019-09-20 | 2020-10-27 | 华中科技大学 | High-efficient multi-functional intelligent nasal obstruction of air-purifying |
CN211245021U (en) * | 2019-12-10 | 2020-08-14 | 遵义医学院附属医院 | Severe medical science branch of academic or vocational study is with anti-drop oxygen uptake nasal plug |
CN212090455U (en) * | 2020-02-12 | 2020-12-08 | 郑州大学第二附属医院 | Oxygen inhaler for emergency department |
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