CN111330179A - Infectious department epidemic prevention mask with adjustable respirator angle - Google Patents

Infectious department epidemic prevention mask with adjustable respirator angle Download PDF

Info

Publication number
CN111330179A
CN111330179A CN202010154545.3A CN202010154545A CN111330179A CN 111330179 A CN111330179 A CN 111330179A CN 202010154545 A CN202010154545 A CN 202010154545A CN 111330179 A CN111330179 A CN 111330179A
Authority
CN
China
Prior art keywords
sleeve
filter
respirator
breathing
cover
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010154545.3A
Other languages
Chinese (zh)
Inventor
不公告发明人
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xing Xuefang
Original Assignee
Xing Xuefang
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xing Xuefang filed Critical Xing Xuefang
Priority to CN202010154545.3A priority Critical patent/CN111330179A/en
Publication of CN111330179A publication Critical patent/CN111330179A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/02Masks
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/08Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00Filters for breathing-protection purposes
    • A62B23/02Filters for breathing-protection purposes for respirators
    • A62B23/025Filters for breathing-protection purposes for respirators the filter having substantially the shape of a mask
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B7/00Respiratory apparatus
    • A62B7/10Respiratory apparatus with filter elements
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B9/00Component parts for respiratory or breathing apparatus

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Pulmonology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Zoology (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

The invention provides an infectious disease control mask with an adjustable respirator angle. The respirator comprises a mask body, wherein transparent glass and a respirator are mounted on the mask body, a fixing sleeve is arranged on the mask body, the respirator comprises a breathing sleeve, a filtering piece is arranged in the breathing sleeve, a hard bendable pipe is connected between the breathing sleeve and the fixing sleeve, the fixing sleeve is communicated with the interior of the mask body, and the fixing sleeve is communicated with the interior of the breathing sleeve through the hard bendable pipe. By the technical scheme, force can be applied to the respirator according to the actual medical environment, and the position and the orientation of the breathing sleeve can be changed at will due to the fact that the hard bendable pipe is connected between the breathing sleeve and the fixed sleeve so as to adapt to the medical environment for adjustment, and the use convenience is high; in addition, due to the adoption of the hard bendable pipe, after the breathing sleeve moves to an ideal position, the hard bendable pipe can also keep the current position of the breathing sleeve, and the breathing sleeve is convenient to use subsequently.

Description

Infectious department epidemic prevention mask with adjustable respirator angle
Technical Field
The invention relates to a medical appliance, in particular to an infectious disease prevention mask with an adjustable respirator angle.
Background
The existing medical mask structure generally comprises a mask body, wherein transparent glass and a respirator are arranged on the mask body, and a filter disc is arranged in the respirator; in the actual use process, the mask body covers the face of a user, the eyes of the user can observe the surrounding environment through the transparent glass, outside air can be firstly filtered by the filter disc in the respirator and then is inhaled into the respiratory tract by the user, and the air filtering effect is achieved.
The exhausters on the traditional medical mask are fixedly connected to the mask body, and the whole size of the respirator is large and protrudes out of the mask body, so that the position of the respirator cannot be adjusted in special occasions, and the use convenience is poor.
Disclosure of Invention
In view of this, the present invention aims to provide an infectious disease control mask with adjustable respirator angle, which can change the position and orientation of the respirator and is convenient to use.
In order to solve the technical problems, the technical scheme of the invention is as follows:
the utility model provides a respirator angularly adjustable infectious department epidemic prevention face guard, includes the face guard body, install clear glass and respirator on the face guard body, be provided with fixed cover on the face guard body, the respirator is including breathing the cover, it filters to be equipped with in the breathing cover, it can buckle the pipe to breathe to be connected with the stereoplasm between cover and the fixed cover, fixed cover communicates with each other with the face guard internal portion, and fixed cover can buckle the pipe through the stereoplasm and communicate with each other with breathing the cover internal portion.
By the technical scheme, force can be applied to the respirator according to the actual medical environment, and the position and the orientation of the breathing sleeve can be changed at will due to the fact that the hard bendable pipe is connected between the breathing sleeve and the fixed sleeve so as to adapt to the medical environment for adjustment, and the use convenience is high; in addition, due to the adoption of the hard bendable pipe, after the breathing sleeve moves to an ideal position, the hard bendable pipe can also keep the current position of the breathing sleeve, and the breathing sleeve is convenient to use subsequently.
Preferably, still include soft rubber tube, soft rubber tube is located the inside of stereoplasm bendable pipe, soft rubber tube both ends are connected respectively and are sheathe in breathing cover and fixed.
By the technical scheme, the soft rubber tube can further ensure the internal sealing performance of the breathing sleeve and the fixed sleeve; in addition, the soft rubber tube is made of soft material, so that the bending difficulty of the breathing sleeve is reduced to the maximum extent.
Preferably, the hard bendable pipe is a snakeskin pipe.
Through the technical scheme, the hose is embedded with a single-buckle or embedded with a double-buckle structure in the common structure, and is made of 304 stainless steel or 301 stainless steel, so that the requirements of bending and hardness can be met.
Preferably, at least two mutually independent accommodating channels are arranged in the fixed sleeve, the accommodating channels are communicated with the mask body through the fixed sleeve, at least two filtering pieces are arranged, all the filtering pieces are correspondingly arranged in the accommodating channels one by one, the filtering pieces are used for filtering harmful substances in air, rotating discs are arranged at one ends, close to the fixed sleeve, of the accommodating channels and one ends, far away from the fixed sleeve, of the accommodating channels, the middle parts of the rotating discs are rotatably connected to the fixed sleeve, vent holes are formed in the rotating discs, and the vent holes can be aligned to the channel openings of the accommodating channels one by one through rotating the rotating discs;
the rotating disc is provided with a rotating rod, and a rotating groove for the rotating rod to move is formed between the hard bendable pipe and the breathing sleeve.
Through the technical scheme, the mask body is covered on the face of a user, the rotating discs can be rotated firstly, the vent holes in the two rotating discs are aligned to the same accommodating channel, and at the moment, air exhaled or inhaled by the user can pass through the accommodating channel and can be subjected to the air filtering effect of the filtering piece in the accommodating channel;
when the filter element in the accommodating channel reaches the limit service life after being used for a plurality of hours, the rotating discs can be rotated again, the vent holes on the two rotating discs are aligned with the other accommodating channel, and at the moment, the air exhaled or inhaled by a user passes through the new accommodating channel and is subjected to the air filtering action of the new filter element in the accommodating channel;
the operation process is simple to operate, can effectively prolong the single use time, and further can meet the requirement of a long-time medical rescue environment.
Preferably, the number of the accommodating channels is three, and the three accommodating channels are circumferentially arrayed in the fixing sleeve; the filter element comprises a filter frame, the filter frame is arranged at a passage opening of the containing passage close to the fixed sleeve, and a first filter sheet is arranged in the filter frame;
still be equipped with the second cassette in the filter stand, the second cassette includes the annular filter sleeve of circle, filter sleeve one end is fixed in the filter stand, first filter plate orthographic projection falls into and is close to in the filter sleeve one end of fixed cover, deviates from the filter sleeve one end of fixed cover and is equipped with the third cassette, leave the air gap between the outer wall of filter sleeve and the passageway wall that holds the passageway.
When the air purifier is actually used, inflowing or outflowing air can be filtered by the first filter piece firstly and then can be filtered by the second filter piece and the third filter piece, and at the moment, the filtering effect of the whole air is improved; in addition, the ventilation gap is arranged, so that the ventilation effect of the whole mask is increased.
Preferably, be equipped with three separation wall in breathing the cover, three separation wall is located two respectively adjacent hold between the passageway, the separation wall both ends extend to being close to and keeping away from fixed cover one side respectively, be equipped with first sealing strip on the rolling disc lateral wall, the quantity of first sealing strip is three, and three first sealing strips set up with three separation wall one-to-one, first sealing strip can offset with the tip of separation wall.
Through above-mentioned technical scheme, the air vent on the rolling disc is just to holding the passageway, and first sealing strip can offset in the baffler one by one, is favorable to promoting the sealed effect between rolling disc and the baffler.
Preferably, be equipped with the second sealing strip on the rolling disc lateral wall, the second sealing strip offsets with the terminal surface of breathing the cover, first sealing strip all is connected on the second sealing strip.
Through above-mentioned technical scheme, the air vent on the rolling disc is just to holding the passageway, and the second sealing strip can offset one by one in the terminal surface of breathing the cover, and first sealing strip and second sealing strip use of mutually supporting, and then can promote the leakproofness between rolling disc, baffling wall, the breathing cover three by a wide margin.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a first schematic structural diagram of the respiratory mask;
FIG. 4 is a second schematic structural view of the respiratory cuff;
FIG. 5 is a schematic cross-sectional view taken along line B-B of FIG. 4;
FIG. 6 is an exploded view of the respirator sleeve and filter;
FIG. 7 is a schematic cross-sectional view of an embodiment;
FIG. 8 is a schematic view of the structure of the rotary disk;
fig. 9 is a schematic view of the fitting structure between the fixing sleeve and the breathing sleeve.
Reference numerals: 1. a mask body; 2. transparent glass; 3. fixing a sleeve; 4. a respirator; 5. a breathing sleeve; 6. a receiving channel; 7. rotating the disc; 8. a vent hole; 9. rotating the rod; 10. a rotating groove; 11. a filter member; 12. a filter frame; 13. a first filter sheet; 14. a second filter sheet; 15. a filter sleeve; 16. a third filter sheet; 17. a limiting block; 18. a vent gap; 19. a barrier wall; 20. a first seal strip; 21. a second seal strip; 22. a rigid bendable tube; 23. a soft rubber tube.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings 1-9 to make the technical solution of the present invention easier to understand and grasp.
An infectious disease prevention mask with an adjustable respirator angle comprises a mask body 1, wherein transparent glass 2 and a respirator 4 are arranged on the mask body 1. The mask body 1 is worn on the face of a user, the user can view the surrounding environment through the transparent glass 2, and the respirator 4 can filter the outside air for the user who fits the mask body 1 to breathe.
The mask body 1 is provided with a fixed sleeve 3, the fixed sleeve 3 is in a circular ring structure, and the fixed sleeve 3 is communicated with the interior of the mask body 1.
The respirator 4 comprises a breathing sleeve 5, the breathing sleeve 5 is also in a circular ring structure, and the inner diameter and the outer diameter of the breathing sleeve 5 are the same as those of the fixed sleeve 3. A hard bendable pipe 22 is connected between the breathing sleeve 5 and the fixed sleeve 3, and the hard bendable pipe 22 is a snakeskin pipe. The fixed sleeve 3 is communicated with the interior of the mask body 1, and the fixed sleeve 3 is communicated with the interior of the breathing sleeve 5 through a hard bendable pipe 22. Still include soft rubber tube 23, soft rubber tube 23 is located inside the pipe 22 of can buckling of stereoplasm, and soft rubber tube 23 both ends are connected respectively on breathing cover 5 and fixed cover 3.
Be equipped with at least two mutually independent holding passageway 6 in fixed cover 3, in this embodiment, the quantity that holds passageway 6 is three, and three 6 circumference arrays that hold are inside fixed cover 3, are equipped with three baffler wall 19 in breathing cover 5, and three baffler wall 19 is located two adjacent holding between the passageway 6 respectively, and baffler wall 19 both ends extend to being close to respectively and keeping away from fixed cover 3 one side, hold passageway 6 and communicate with each other with the face guard body 1 through fixed cover 3.
In each receiving channel 6, a filter element 11 is mounted, which filter element 11 is intended to filter out harmful substances in the air. Wherein, filtering piece 11 includes filtering frame 12, and filtering frame 12 installs in the passage mouth department that holds 6 near fixed cover 3's passageway, is equipped with first cassette 13 in filtering frame 12, and first filtering piece 11 and filtering frame 12 shelter from in holding the passage mouth that 6 are close to fixed cover 3 of passageway jointly. The filter frame 12 is also internally provided with a second filter sheet 14, the second filter sheet 14 comprises a circular ring-shaped filter sleeve 15, one end of the filter sleeve 15 is fixed on the filter frame 12, the orthographic projection of the first filter sheet 13 falls into one end of the filter sleeve 15 close to the fixed sleeve 3, one end of the filter sleeve 15 far away from the fixed sleeve 3 is provided with a third filter sheet 16, and a ventilation gap 18 is reserved between the outer sleeve wall of the filter sleeve 15 and the channel wall of the accommodating channel 6.
The end of the accommodating channel 6 close to the fixed sleeve 3 and the end far away from the fixed sleeve 3 are both provided with a rotating disc 7, the rotating disc 7 is disc-shaped, the middle part of the rotating disc 7 is rotatably connected with the fixed sleeve 3, the rotating disc 7 is provided with air vents 8, and the air vents 8 can be aligned to the channel openings of the accommodating channel 6 one by rotating the rotating disc 7. A rotating rod 9 is arranged on the rotating disc 7, and a rotating groove 10 for the rotating rod 9 to move is arranged between the hard bendable pipe 22 and the breathing sleeve 5.
It is worth mentioning that the rotating disc 7 at the end remote from the fixed sleeve 3 can also be detached from the breathing sleeve 5 to facilitate the replacement of the filtering element 11 in the housing channel 6.
A limiting block 17 is arranged on the outer sleeve wall of the filter sleeve 15, and the limiting block 17 is positioned between the filter sleeve 15 and the inner wall of the accommodating channel 6, so that on one hand, the limiting block 17 can ensure the gap size of the ventilation gap 18 and the ventilation effect of the whole mask; on the other hand, the limiting block 17 can also ensure the overall shape of the filter sleeve 15, thereby ensuring the filtering effect of the second filter sheet 14 and the third filter sheet 16. The end part of the limiting block 17 is connected to the filter frame 12, so that the position relation between the limiting block 17 and the filter frame 12 is ensured, and the overall shape maintaining effect of the filter sleeve 15 is further improved.
In addition, the side wall of the rotating disc 7 is provided with three first sealing strips 20, the number of the first sealing strips 20 is three, the three first sealing strips 20 are arranged in one-to-one correspondence with the three barrier walls 19, and the first sealing strips 20 can be abutted against the end parts of the barrier walls 19. The side wall of the rotating disc 7 is provided with a second sealing strip 21, the second sealing strip 21 is circular, the second sealing strip 21 is abutted to the end face of the breathing sleeve 5, and the first sealing strip 20 is connected to the second sealing strip 21.
In the using process, force can be applied to the respirator 4 according to the actual medical environment, the position and the orientation of the respirator 5 can be changed at will due to the connection of the hard bendable pipe 22 between the respirator 5 and the fixed sleeve 3,
for the first time, the user applies force to the rotating rod 9, the two rotating disks 7 can rotate, the vent holes 8 in the two rotating disks 7 are aligned to the same accommodating channel 6, and meanwhile, the three first sealing strips 20 on the two rotating disks 7 are also abutted to the end portions of the three barrier walls 19 at the same time, so that the solar water heater can be directly used.
After the device is used for a period of time, a user applies force to the rotating rods 9 again, the two rotating disks 7 can rotate again, the vent holes 8 in the two rotating disks 7 are aligned to the second accommodating channel 6, and meanwhile, the three first sealing strips 20 on the two rotating disks 7 are also abutted to the end parts of the three barrier walls 19 at the same time, so that the device can be directly used for the second time;
after the device is used for a period of time, a user applies force to the rotating rods 9 again, the two rotating disks 7 can rotate again, the vent holes 8 in the two rotating disks 7 are aligned to the third accommodating channel 6, and meanwhile, the three first sealing strips 20 on the two rotating disks 7 are also abutted to the end parts of the three barrier walls 19 at the same time, so that the device can be directly used for three times;
after the three uses, the rotating disk 7 at the end far away from the fixed sleeve 3 can be detached from the breathing sleeve 5, and the filter element 11 in the accommodating channel 6 can be directly replaced.
The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all the technical solutions formed by equivalent substitutions or equivalent changes are within the scope of the present invention as claimed.

Claims (7)

1. The utility model provides an infectious department epidemic prevention face guard of respirator angularly adjustable, includes the face guard body (1), install clear glass (2) and respirator (4), characterized by on the face guard body (1):
be provided with fixed cover (3) on the face guard body (1), respirator (4) are including breathing cover (5), be equipped with in breathing cover (5) and filter piece (11), it can buckle pipe (22) to breathe to be connected with the stereoplasm between cover (5) and fixed cover (3), fixed cover (3) communicate with each other with the face guard body (1) is inside, and fixed cover (3) can buckle pipe (22) and breathe cover (5) inside through the stereoplasm and communicate with each other.
2. The infectious disease control mask with the adjustable respirator angle of claim 1, wherein: still include soft rubber tube (23), soft rubber tube (23) are located inside stereoplasm bendable pipe (22), soft rubber tube (23) both ends are connected respectively on breathing cover (5) and fixed cover (3).
3. The infectious disease control mask with the adjustable respirator angle of claim 1, wherein: the hard bendable pipe (22) is a snakeskin pipe.
4. The infectious disease mask with adjustable respirator angle of any one of claims 1-3, wherein: the mask comprises a fixed sleeve (3), wherein at least two mutually independent accommodating channels (6) are arranged in the fixed sleeve (3), the accommodating channels (6) are communicated with a mask body (1) through the fixed sleeve (3), at least two filtering pieces (11) are arranged, all the filtering pieces (11) are uniformly and correspondingly arranged in the accommodating channels (6), the filtering pieces (11) are used for filtering harmful substances in air, rotating discs (7) are arranged at one ends, close to the fixed sleeve (3), of the accommodating channels (6) and at one ends, far away from the fixed sleeve (3), of the accommodating channels (6), the middle parts of the rotating discs (7) are rotatably connected to the fixed sleeve (3), vent holes (8) are formed in the rotating discs (7), and the vent holes (8) can be aligned to the channel openings of the accommodating channels (6) one by one;
be equipped with dwang (9) on rolling disc (7), be equipped with between stereoplasm bendable pipe (22) and breathing cover (5) and supply rotation groove (10) that dwang (9) removed.
5. The infectious disease control mask with the adjustable respirator angle of claim 4, wherein: the number of the accommodating channels (6) is three, and the three accommodating channels (6) are circumferentially arrayed in the fixed sleeve (3); the filter element (11) comprises a filter frame (12), the filter frame (12) is arranged at a passage opening close to the containing passage (6) of the fixed sleeve (3), and a first filter sheet (13) is arranged in the filter frame (12);
still be equipped with second filter (14) in filter rack (12), second filter (14) are including annular filter sleeve (15) of circle, filter sleeve (15) one end is fixed in filter rack (12), first filter (13) orthographic projection falls into and is close to in filter sleeve (15) one end of fixed cover (3), deviates from filter sleeve (15) one end of fixed cover (3) and is equipped with third filter (16), leave air gap (18) between the outer wall of filter sleeve (15) and the wall of the passageway that holds passageway (6).
6. The infectious disease control mask with the adjustable respirator angle of claim 4, wherein: be equipped with three separation wall (19) in breathing cover (5), three separation wall (19) are located two respectively adjacent hold between passageway (6), separation wall (19) both ends are respectively to being close to and keeping away from fixed cover (3) one side extension, be equipped with first sealing strip (20) on rolling disc (7) lateral wall, the quantity of first sealing strip (20) is three, and three first sealing strip (20) set up with three separation wall (19) one-to-one, first sealing strip (20) can offset with the tip of separation wall (19).
7. The infectious disease control mask with the adjustable respirator angle of claim 6, wherein: be equipped with second sealing strip (21) on rolling disc (7) lateral wall, second sealing strip (21) offset with the terminal surface of breathing cover (5), first sealing strip (20) all are connected on second sealing strip (21).
CN202010154545.3A 2020-03-08 2020-03-08 Infectious department epidemic prevention mask with adjustable respirator angle Pending CN111330179A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010154545.3A CN111330179A (en) 2020-03-08 2020-03-08 Infectious department epidemic prevention mask with adjustable respirator angle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010154545.3A CN111330179A (en) 2020-03-08 2020-03-08 Infectious department epidemic prevention mask with adjustable respirator angle

Publications (1)

Publication Number Publication Date
CN111330179A true CN111330179A (en) 2020-06-26

Family

ID=71176025

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010154545.3A Pending CN111330179A (en) 2020-03-08 2020-03-08 Infectious department epidemic prevention mask with adjustable respirator angle

Country Status (1)

Country Link
CN (1) CN111330179A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220248781A1 (en) * 2021-02-11 2022-08-11 Laura Mann Sanitary Safety Mask Assembly

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5746199A (en) * 1996-08-21 1998-05-05 Bayron; Harry Respiratory valve
CN201161072Y (en) * 2008-03-21 2008-12-10 李昌军 Antipoisoning case
US20090065006A1 (en) * 2007-09-07 2009-03-12 Keith Patterson Filtering respirator with rotatable filter
CN203939782U (en) * 2014-06-25 2014-11-12 浙江钜联风能机械有限公司 A kind of blower fan protective cover of capable of adjusting air inlet amount
CN206577220U (en) * 2016-11-25 2017-10-24 王伟丽 The variable-flow breathing regulator that trachea cannula cicatrizing date is used
CN208330576U (en) * 2018-06-22 2019-01-04 哈尔滨华德学院 Air filter for automobile duplex connector
CN209995136U (en) * 2019-04-18 2020-01-31 金华市农业科学研究院 bee adjustable transom window

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5746199A (en) * 1996-08-21 1998-05-05 Bayron; Harry Respiratory valve
US20090065006A1 (en) * 2007-09-07 2009-03-12 Keith Patterson Filtering respirator with rotatable filter
CN201161072Y (en) * 2008-03-21 2008-12-10 李昌军 Antipoisoning case
CN203939782U (en) * 2014-06-25 2014-11-12 浙江钜联风能机械有限公司 A kind of blower fan protective cover of capable of adjusting air inlet amount
CN206577220U (en) * 2016-11-25 2017-10-24 王伟丽 The variable-flow breathing regulator that trachea cannula cicatrizing date is used
CN208330576U (en) * 2018-06-22 2019-01-04 哈尔滨华德学院 Air filter for automobile duplex connector
CN209995136U (en) * 2019-04-18 2020-01-31 金华市农业科学研究院 bee adjustable transom window

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220248781A1 (en) * 2021-02-11 2022-08-11 Laura Mann Sanitary Safety Mask Assembly

Similar Documents

Publication Publication Date Title
EP2211963B1 (en) Face mask
CN1886167B (en) Vent system for CPAP patient interface used in treatment of sleep disordered breathing
KR100754619B1 (en) Flexible multiple port adaptor
WO2018188600A1 (en) Air purification apparatus face mask
EP2244647A1 (en) Face mask
JP2012511987A (en) Respiratory interface device with filtration media
US20190070441A1 (en) Compact air filter mask
KR20160133406A (en) Bayonet connectors suitable for connecting filter cartridges to respirators
KR100897161B1 (en) A nasal cavity embedded type respiration purification mask
CN111330179A (en) Infectious department epidemic prevention mask with adjustable respirator angle
CN112755473A (en) Breathe integrative equipment of internal medicine lung function rehabilitation physiotherapy of supplementary medicine of inhaling
KR102093517B1 (en) Mask For Cutting Off Fine Dusts
WO2021136153A1 (en) Safety valve sheet, breathing tube, breathing tube assembly and breathing mask
CN110613878B (en) Isolation device for respiratory acute and critical illness
WO2010067241A1 (en) Port sealing cartridge for medical ventilating and aspirating devices
WO2022218309A1 (en) Ventilation and noise reduction housing and assembly, ventilation and moisture retention apparatus, breathing mask assembly, and breathing support device
CN111282169A (en) Epidemic prevention mask for infectious department
US20230372649A1 (en) Resuscitator
CN213759652U (en) Tuberculosis patient protector
CN112089935A (en) Traditional chinese medical science internal medicine nursing diagnosis detects respiratory device
CN215537902U (en) Protective mask for infectious disease control
CN213158750U (en) Filtering, humidifying and heating sounding valve applied to tracheotomy patient
CN211272974U (en) Pipe blocking device
CN215995198U (en) Locking control sleeve for speaking valve
CN211486088U (en) Tracheotomy sealing device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20200626

RJ01 Rejection of invention patent application after publication