CN111317930A - Neck fixing type medical protection hood free of washing and disinfecting - Google Patents
Neck fixing type medical protection hood free of washing and disinfecting Download PDFInfo
- Publication number
- CN111317930A CN111317930A CN202010306382.6A CN202010306382A CN111317930A CN 111317930 A CN111317930 A CN 111317930A CN 202010306382 A CN202010306382 A CN 202010306382A CN 111317930 A CN111317930 A CN 111317930A
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- China
- Prior art keywords
- air
- hood
- neck
- air bag
- shaped
- 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
Links
- 238000005406 washing Methods 0.000 title description 10
- 230000000249 desinfective effect Effects 0.000 title description 5
- 230000001681 protective effect Effects 0.000 claims description 27
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 239000010409 thin film Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 230000001954 sterilising effect Effects 0.000 description 10
- 230000008014 freezing Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- OENIXTHWZWFYIV-UHFFFAOYSA-N 2-[4-[2-[5-(cyclopentylmethyl)-1h-imidazol-2-yl]ethyl]phenyl]benzoic acid Chemical compound OC(=O)C1=CC=CC=C1C(C=C1)=CC=C1CCC(N1)=NC=C1CC1CCCC1 OENIXTHWZWFYIV-UHFFFAOYSA-N 0.000 description 1
- 208000035473 Communicable disease Diseases 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
- A62B7/10—Respiratory apparatus with filter elements
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing 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
- A62B18/02—Masks
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing 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
- A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B23/00—Filters for breathing-protection purposes
- A62B23/02—Filters for breathing-protection purposes for respirators
- A62B23/025—Filters for breathing-protection purposes for respirators the filter having substantially the shape of a mask
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)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
Abstract
The invention discloses a neck-fixing type washing-free medical protection hood, which comprises a hood, a U-shaped air bag, an air driving piece and a shoulder-lapping curtain, wherein the U-shaped air bag is arranged in the hood; wherein, the hood is a hood body with one open end; the U-shaped air bag is arranged in the hood and matched with the neck of a wearer; the U-shaped air bag is provided with an air inlet and an air outlet; a filter disc is arranged at the air outlet; the air driving piece is communicated with the air inlet through an air pipe and is used for driving air to enter the U-shaped air bag; the opening edge of the hood is hermetically connected with the inner edge of the shoulder curtain; air within the hood is expelled from the gap between the shoulder curtain and the wearer's body. When the air-assisted head cover is used, the U-shaped air bag is sleeved on the neck of a wearer, the air driving piece continuously supplies air to the U-shaped air bag, and the air filtered by the filter disc enters the head cover to form a positive pressure effect; the air in the hood is continuously discharged from the gap between the shoulder curtain and the body to form air tightness, and the outside unfiltered air is prevented from entering the hood, so that the head of a wearer is protected in an all-round manner, and the wearer cannot feel uncomfortable.
Description
Technical Field
The invention relates to the technical field of protective equipment, in particular to a neck-fixing type washing-free medical protective hood.
Background
In recent years, infectious diseases, group infection and the like are continuously generated at home and abroad under the influence of natural environment; when a disaster occurs, a large number of effective and comfortable personal protection appliances are needed in order to ensure that people can quickly and effectively protect and ensure the property safety of people.
In the prior art, the traditional protective clothing only protects a single part, such as goggles, a mask, a splash guard and the like, and has single effect and complex wearing; and the use effect is not ideal, and the discomfort feeling such as tightening marks, suffocating, fog covering eyes and the like is easily generated for the wearer when the mask is worn.
Therefore, how to carry out all-around comfortable protection on a wearer is a difficult problem to be solved urgently in the field at the present stage.
Disclosure of Invention
In view of the above, the present invention provides a neck-fixing type washing-free medical protection hood, which can perform all-around comfortable protection for a wearer, and solves the problems in the prior art.
A neck-fixing type washing-free medical protective hood comprises:
the head cover is a cover body with one open end;
the U-shaped air bag is annularly arranged in the hood and is matched with the neck of a wearer; the U-shaped air bag is provided with an air inlet and an air outlet; the air outlet is positioned on the upper surface of the U-shaped air bag, and a filter sheet is arranged at the air outlet;
the air driving piece is communicated with the air inlet through an air pipe and is used for driving outside air to enter the U-shaped air bag;
the shoulder-lapping curtain is annular, and the opening edge of the head cover is in sealing connection with the inner edge of the shoulder-lapping curtain; air within the hood is expelled from a gap between the shoulder curtain and the wearer's body.
Preferably, the neck-fixing type washing-free and sterilizing medical protective hood is provided with a hard perspective window right in front.
Preferably, the neck-fixing type washing-free medical protection hood is characterized in that the hood is a film hood body.
Preferably, the neck-fixing type washing-free medical protection hood is characterized in that the air driving piece is an air filter, and the air filter comprises a fan, a filter screen, a power supply and a control knob;
the outlet end of the fan is communicated with the air pipe;
the control knob is used for controlling the power supply to start and stop working.
Preferably, the neck-fixing type washing-free and sterilizing medical protective hood is characterized in that the control knob can adjust the wind speed through rotation.
Preferably, the neck-fixing type washing-free and sterilizing medical protective hood is characterized in that the filter screen is arranged at the inlet end or the outlet end of the fan.
Preferably, the neck-fixing type washing-free medical protective hood is characterized in that a waistband buckle is arranged on the outer peripheral surface of the air filter.
Preferably, the neck-fixing type washing-free and sterilizing medical protective hood is characterized in that the air filter further comprises an electric quantity alarm lamp.
Preferably, the neck-fixing type washing-free medical protective hood is characterized in that a plurality of air outlets of the U-shaped air bag are uniformly distributed on the upper surface of the U-shaped air bag.
Preferably, the neck-fixing type washing-and-disinfecting-free medical protective hood is characterized in that the air inlet is positioned behind the U-shaped air bag.
The invention provides a neck-fixing type washing-free medical protection hood, which comprises a hood, a U-shaped air bag, an air driving piece and a shoulder-lapping curtain, wherein the U-shaped air bag is arranged in the hood; wherein, the hood is a hood body with one open end; the U-shaped air bag is annularly arranged in the hood and is matched with the neck of a wearer; the U-shaped air bag is provided with an air inlet and an air outlet; the air outlet is positioned on the upper surface of the U-shaped air bag, and a filter disc is arranged at the air outlet; the air driving piece is communicated with the air inlet through an air pipe and is used for driving outside air to enter the U-shaped air bag; the shoulder-lapping curtain is annular, and the opening edge of the head cover is hermetically connected with the inner edge of the shoulder-lapping curtain; air within the hood is expelled from the gap between the shoulder curtain and the wearer's body. When the air-assisted head cover is used, the U-shaped air bag is sleeved on the neck of a wearer, the air driving piece continuously supplies air into the U-shaped air bag, and the air filtered by the filter disc enters the head cover to form a positive pressure effect; the air in the hood is continuously discharged from the gap between the shoulder curtain and the body to form air tightness, and the outside unfiltered air is prevented from entering the hood, so that the head of a wearer is protected in an all-round manner, and the wearer cannot feel uncomfortable. Therefore, the neck-fixing type washing-free and sterilizing medical protective hood provided by the invention can carry out comprehensive and comfortable protection on a wearer, and solves the problem in the field at the present stage.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view of a neck-mounted disposable medical protective hood according to an embodiment of the present invention;
FIG. 2 is a rear view of a neck-mounted disposable medical protective hood according to an embodiment of the present invention;
FIG. 3 is a side view of a neck-mounted disposable medical protective hood according to an embodiment of the present invention;
FIG. 4 is a schematic view of a U-shaped bladder in accordance with an embodiment of the present invention;
FIG. 5 is a side view of an air filter according to an embodiment of the present invention;
fig. 6 is a front view of an air filter according to an embodiment of the present invention.
In fig. 1-6:
a head cover-1; a U-shaped air bag-2; an air inlet-3; an air outlet-4; an air duct-5; a shoulder-lapping curtain-6; a perspective window-7; an air filter-8; a fan-9; a filter screen-10; a power supply-11; an outlet end-12; an inlet end-13; a waistband buckle-14; electric quantity alarm lamp-15.
Detailed Description
The core of the specific embodiment is to provide a neck-fixing type washing-free medical protection hood, which can carry out all-around comfortable protection on a wearer and solves the problem in the field at the present stage.
Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the contents of the invention described in the claims. The entire contents of the configurations shown in the following embodiments are not limited to those required as solutions of the inventions described in the claims.
The neck-fixing type medical protection hood free of washing and sterilizing provided by the specific embodiment comprises a hood 1, a U-shaped air bag 2, an air driving piece and a shoulder-lapping curtain 6; wherein, the head cover 1 is a cover body with one open end; the U-shaped air bag 2 is annularly arranged in the hood 1 and is matched with the neck of a wearer; the U-shaped air bag 2 is provided with an air inlet 3 and an air outlet 4; the air outlet 4 is positioned on the upper surface of the U-shaped air bag 2, and a filter sheet is arranged at the air outlet 4; the air driving piece is communicated with the air inlet 3 through an air pipe 5 and is used for driving outside air to enter the U-shaped air bag 2; the shoulder-lapping curtain 6 is annular, and the edge of the opening of the head cover 1 is hermetically connected with the inner edge of the shoulder-lapping curtain 6; air within the hood 1 is expelled from the gap between the shoulder curtain 6 and the wearer's body.
The hood 1 is a hood body with an open end, and the specific appearance shape can be designed according to actual needs, such as a rectangular parallelepiped, a cylinder, a dome-shaped hood body, or other appearance shapes that can expect the same function.
The U-shaped air bag 2 is annular, when the U-shaped air bag is inflated to be in a normal working state, the inner edge of the U-shaped air bag 2 can be matched with the neck of a wearer, and the outer edge of the U-shaped air bag can be matched with the inner side of the hood 1; this setting makes U type gasbag 2 can play the effect of support to hood 1 to avoid appearing the skew condition such as rock when using, guarantee normal station.
The air outlet 4 is located on the upper surface of the U-shaped air bag 2, and the arrangement enables air to be directly filled into the hood 1, so that a positive pressure environment is formed in the hood 1, and meanwhile, outside air is prevented from entering the hood 1. Here, the "upper surface" refers to a surface of the U-shaped airbag 2 facing upward when the disposable positive pressure protection cover is in normal operation.
When the head cover is used, the U-shaped air bag 2 is sleeved on the neck of a wearer, the air driving piece continuously supplies air into the U-shaped air bag 2, and the air filtered by the filter disc enters the head cover 1 to form a positive pressure effect; the air in the hood 1 is continuously discharged from the gap between the shoulder curtain 6 and the body to form air tightness, and the outside unfiltered air is prevented from entering the hood 1, so that the head of a wearer is protected in an all-round way, the wearer is not uncomfortable, and goggles, a mask and a splash guard are replaced at the same time. Therefore, the neck-fixing type washing-free and sterilizing medical protective hood provided by the invention can carry out comprehensive and comfortable protection on a wearer, and solves the problem in the field at the present stage. Please refer to fig. 1-6.
The air flow of the neck-fixing type medical protection hood without washing and sterilizing in use is shown in figures 1-2, and the arrow is the flow direction of the air.
In the neck-fixing type medical protection hood free of washing and sterilizing provided by the specific embodiment, a hard perspective window 7 can be arranged right in front of the hood 1; not only can ensure that a wearer has good visual effect, but also can stabilize the visual range expansivity, and the softer transparent material has better effect. For example, the transparent window 7 may be made of hard plastic or other materials capable of performing the same function. The "right front" herein refers to right front when the hood 1 is normally operated.
Further, according to the above-mentioned neck-fixing type medical protection hood without washing and disinfecting, the hood 1 can be a thin film hood body, for example, the hood 1 is made of a plastic film as a material, so that the weight of the hood 1 is reduced, the pressure on a user is avoided, and the wearing comfort level is improved.
In the neck-fixing type medical protection head cover without washing and disinfecting provided by the specific embodiment, the air driving member can be an air filter 8, and the air filter 8 can comprise a fan 9, a filter screen 10, a power supply 11 and a control knob.
The outlet end 12 of the fan 9 can be communicated with the air pipe 5 so as to drive the outside air into the U-shaped air bag 2 through the air pipe 5; further, the outlet end 12 of the fan 9 can be connected with the air pipe 5 in a threaded manner, so that the dismounting process is simplified.
The tuber pipe 5 can adopt the bellows, perhaps other soft bodys that can play the same effect, and then guarantee normal work, improve the comfort level of wearing the person.
The power supply 11 is used for ensuring the normal operation of the whole air filter 8; the control knob is used for controlling the power supply 11 to start and stop working.
The power source 11 may be selected from a common battery, a light-weight lithium battery, or a rechargeable battery that can be recycled.
The battery can cooperate the installation through the mode of cartridge or joint and strain wind ware 8 to the user is to the installation and the dismantlement of battery, and then is convenient for to the change of battery, simplifies wearer's use, improves audience's experience and feels.
Preferably, can set up control knob to the pattern that can adjust the wind speed through the rotation to further improve the result of use of malleation protection casing, the person of wearing can adjust the wind speed according to actual needs, and then improves the comfort level.
In the neck-fixing type medical protection hood without washing and sterilizing provided by the embodiment, the filter screen 10 can be arranged at the inlet end 13 or the outlet end 12 of the blower 9.
When the filter screen 10 is positioned at the inlet end 13 of the fan 9, namely the fan 9 drives the outside air into the air pipe 5 in an air draft mode, the air filter 8 is in a negative pressure filtering mode; when the filter screen 10 is located at the outlet end 12 of the fan 9, that is, the fan 9 presses the external air into the air pipe 5 in an air pressing manner, at this time, the air filter 8 is in a positive pressure filtering manner.
In actual design, the filter mode of the air filter 8 can be set by adjusting the installation position of the filter screen 10 according to actual requirements.
Furthermore, in the neck-fixed type medical protection hood free of washing and disinfecting, the outer peripheral surface of the air filter 8 can be provided with a waistband buckle 14 so as to be convenient for a user to wear; of course, in the actual design, the air filter 8 can be worn in other ways, such as a strap or a harness.
In order to better protect the user, the air filter 8 may further include an electric quantity alarm lamp 15, which gives an alarm when the electric quantity is low, so as to remind the wearer to charge or replace the battery in time; the electric quantity alarm lamp 15 can realize the reminding of the wearer by giving an alarm or lightening the alarm so as to ensure the protection effect. The specific electric quantity and limit of the alarm can be designed according to actual needs.
This embodiment provides a medical protection hood that disappears is exempted from to wash by formula is fixed to neck, and the air outlet 4 of U type gasbag 2 can be a plurality ofly, and even distribution in the upper surface of U type gasbag 2 to even blow in to hood 1, and avoid blowing the part of wearing person's head, make the person of wearing not have the feel of blowing, better improvement user's comfort.
In the neck-fixing type washing and disinfecting-free medical protective hood provided by the specific embodiment, the air inlet 3 can be positioned behind, below or above the U-shaped air bag 2 or at other positions capable of playing the same role. Preferably, the air inlet 3 may be disposed behind the U-shaped airbag 2, so as to be better connected with the air filter 8 through the air pipe 5. The term "rearward" as used herein refers to the rear of the U-shaped airbag 2 in normal operation, i.e., the rear of the wearer, as shown in fig. 3-4.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A neck-fixing type washing-free medical protective hood is characterized by comprising:
the head cover (1), the said head cover (1) is a cover body with one open end;
the U-shaped air bag (2) is annularly arranged in the hood (1) and is matched with the neck of a wearer; the U-shaped air bag (2) is provided with an air inlet (3) and an air outlet (4); the air outlet (4) is positioned on the upper surface of the U-shaped air bag (2), and a filter sheet is arranged at the air outlet (4);
the air driving piece is communicated with the air inlet (3) through an air pipe (5) and is used for driving outside air to enter the U-shaped air bag (2);
the shoulder-lapping curtain (6), the shoulder-lapping curtain (6) is annular, and the opening edge of the hood (1) is in sealing connection with the inner edge of the shoulder-lapping curtain (6); air in the hood (1) is discharged from a gap between the shoulder curtain (6) and the body of the wearer.
2. The neck-fixing type washing-free medical protective hood according to claim 1, wherein a hard transparent window (7) is arranged right in front of the hood (1).
3. The neck-mounted disposable medical protective hood according to claim 1, wherein the hood (1) is a thin film hood.
4. The neck-fixed disposable medical protective hood according to claim 1, wherein the air driving member is an air filter (8), and the air filter (8) comprises a fan (9), a filter screen (10), a power supply (11) and a control knob;
the outlet end (12) of the fan (9) is communicated with the air pipe (5);
the control knob is used for controlling the power supply (11) to start and stop working.
5. The neck-mounted disposable medical protective hood according to claim 4, wherein the control knob is capable of adjusting the wind speed by rotation.
6. The neck-mounted disposable medical protective hood according to claim 4, wherein the filter screen (10) is disposed at an inlet end (13) or an outlet end (12) of the blower (9).
7. The neck-fixed disposable medical protective hood according to claim 4, wherein a waistband buckle (14) is arranged on the outer peripheral surface of the air filter (8).
8. The cervical fixed disposable medical protective hood according to claim 4, wherein the air filter (8) further comprises an electric quantity alarm lamp (15).
9. The neck-fixing type washing-free medical protective hood as claimed in claim 1, wherein the air outlets (4) of the U-shaped air bag (2) are multiple and uniformly distributed on the upper surface of the U-shaped air bag (2).
10. The neck-fixed disposable medical protective hood according to claim 1, wherein the air inlet (3) is located behind the U-shaped air bag (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010306382.6A CN111317930A (en) | 2020-04-17 | 2020-04-17 | Neck fixing type medical protection hood free of washing and disinfecting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010306382.6A CN111317930A (en) | 2020-04-17 | 2020-04-17 | Neck fixing type medical protection hood free of washing and disinfecting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111317930A true CN111317930A (en) | 2020-06-23 |
Family
ID=71164473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010306382.6A Pending CN111317930A (en) | 2020-04-17 | 2020-04-17 | Neck fixing type medical protection hood free of washing and disinfecting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111317930A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374717A (en) * | 2021-06-24 | 2021-09-10 | 深圳市跃阳科技有限公司 | Hanging neck fan |
| WO2022217850A1 (en) * | 2021-04-16 | 2022-10-20 | 广州市疾病预防控制中心(广州市卫生检验中心、广州市食品安全风险监测与评估中心、广州医科大学公共卫生研究院) | Powered respiratory protection system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4571741A (en) * | 1983-12-27 | 1986-02-25 | Commissariat A L'energie Atomique | Ergonomic helmet means |
| CN202876146U (en) * | 2012-08-20 | 2013-04-17 | 廖景峰 | Multifunctional air mask type allergen removing device |
| CN104383649A (en) * | 2014-12-09 | 2015-03-04 | 中国人民解放军军事医学科学院卫生装备研究所 | Positive-pressure biological protection hood |
| CN205379555U (en) * | 2015-12-15 | 2016-07-13 | 重庆市中定科技有限公司 | Back of body formula filter protection hood |
| CN209075898U (en) * | 2018-09-13 | 2019-07-09 | 湖南威耐斯新材料科技有限公司 | Totally enclosed type fire prevention headgear |
| CN211986712U (en) * | 2020-04-17 | 2020-11-24 | 北京市汇龙新技术有限公司 | Neck fixing type medical protection hood free of washing and disinfecting |
-
2020
- 2020-04-17 CN CN202010306382.6A patent/CN111317930A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4571741A (en) * | 1983-12-27 | 1986-02-25 | Commissariat A L'energie Atomique | Ergonomic helmet means |
| CN202876146U (en) * | 2012-08-20 | 2013-04-17 | 廖景峰 | Multifunctional air mask type allergen removing device |
| CN104383649A (en) * | 2014-12-09 | 2015-03-04 | 中国人民解放军军事医学科学院卫生装备研究所 | Positive-pressure biological protection hood |
| CN205379555U (en) * | 2015-12-15 | 2016-07-13 | 重庆市中定科技有限公司 | Back of body formula filter protection hood |
| CN209075898U (en) * | 2018-09-13 | 2019-07-09 | 湖南威耐斯新材料科技有限公司 | Totally enclosed type fire prevention headgear |
| CN211986712U (en) * | 2020-04-17 | 2020-11-24 | 北京市汇龙新技术有限公司 | Neck fixing type medical protection hood free of washing and disinfecting |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022217850A1 (en) * | 2021-04-16 | 2022-10-20 | 广州市疾病预防控制中心(广州市卫生检验中心、广州市食品安全风险监测与评估中心、广州医科大学公共卫生研究院) | Powered respiratory protection system |
| CN113374717A (en) * | 2021-06-24 | 2021-09-10 | 深圳市跃阳科技有限公司 | Hanging neck fan |
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