CN108452450A - A kind of negative pressure Isolation head hood - Google Patents

A kind of negative pressure Isolation head hood Download PDF

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Publication number
CN108452450A
CN108452450A CN201810240616.4A CN201810240616A CN108452450A CN 108452450 A CN108452450 A CN 108452450A CN 201810240616 A CN201810240616 A CN 201810240616A CN 108452450 A CN108452450 A CN 108452450A
Authority
CN
China
Prior art keywords
head
shield
negative pressure
pressure isolation
characterized
Prior art date
Application number
CN201810240616.4A
Other languages
Chinese (zh)
Inventor
郝丽梅
吴金辉
张金明
衣颖
张恩雷
祁建城
Original Assignee
军事科学院系统工程研究院卫勤保障技术研究所
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 军事科学院系统工程研究院卫勤保障技术研究所 filed Critical 军事科学院系统工程研究院卫勤保障技术研究所
Priority to CN201810240616.4A priority Critical patent/CN108452450A/en
Publication of CN108452450A publication Critical patent/CN108452450A/en

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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
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G10/00Treatment rooms or enclosures for medical purposes
    • A61G10/02Treatment rooms or enclosures for medical purposes with artificial climate; with means to maintain a desired pressure, e.g. for germ-free rooms
    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/002Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with controlled internal environment
    • A41D13/0025Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with controlled internal environment by means of forced air circulation
    • 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
    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D2200/00Components of garments
    • A41D2200/20Hoods

Abstract

The present invention discloses a kind of negative pressure Isolation head hood, it is related to infectious disease treatment and transhipment field, including head-shield, half body dustcoat, exhaust hose and exhaust filtering system, the head-shield is set to above the half body dustcoat and is connect with the half body dustcoat air-tightness, the head-shield is connect by the exhaust hose with the exhaust filtering system, and breather cheek valve is provided at the top of the head-shield.The negative pressure Isolation head hood of the present invention uses and does not interfere acting on one's own for infectious disease person for infecting patient, ensures that activity is normal unrestricted at wearer head and neck, exhaust filtering system is small easy to carry.

Description

A kind of negative pressure Isolation head hood

Technical field

The present invention relates to infectious disease treatment and transhipment fields, more particularly to a kind of negative pressure Isolation head hood.

Background technology

The outburst of the deadly infectious diseases such as SARS and Ebola brings prodigious risk to line treatment personnel.People at present It has developed positive-pressure biological protective clothing and positive-pressure biological protective head-shield is used to protect the treatment personnel of contact deadly infectious disease person, medical care Personnel and researcher.But it is urgently to be resolved hurrily for how preventing deadly infectious disease infected person from not discharging strong cause of disease into environment One of the problem of.Negative pressure Isolation head hood can maintain a stable subnormal ambient in head-shield, can have after patients with infectious diseases wearing Effect prevents the aerosol of its strong cause of disease of carrying generated from being spread to ambient enviroment, this is for infecting the safe transfer of patient very It is important.

Patent ZL201110082388.0 discloses a kind of negative pressure isolated air charging stretcher for infected patient, and describing one kind has The closed cabin that arch gasbag-type hatchcover and the gasbag-type bilge are made up of waterproof slide fastener.It is integrated with negative in the function of stretcher The functions such as pressure and ventilation are chiefly used in the transfer or transhipment of infection patient that can not be walked.When patient is located therein, health is needed Personnel carry it, and negative pressure Isolation head hood is more suitable for the use for the patients with infectious diseases that health can take care of oneself.

Invention content

In order to solve the above technical problems, the present invention provides a kind of negative pressure Isolation head hood, for infecting patient's use and not interfering Acting on one's own for patient is infected, ensures that activity is normal unrestricted at wearer head and neck, exhaust filtering system volume is small just In carrying.

To achieve the above object, the present invention provides following schemes:

The present invention provides a kind of negative pressure Isolation head hood, including head-shield, half body dustcoat, exhaust hose and exhaust filtering system, The head-shield is set to above the half body dustcoat and is connect with the half body dustcoat air-tightness, and the head-shield passes through the exhaust Hose is connect with the exhaust filtering system, and breather cheek valve is provided at the top of the head-shield.

Preferably, half body dustcoat front is provided with slide fastener, is provided with waist at the arm of the half body dustcoat and is Band, the frenulum at arm with waist for will tighten.

Preferably, the head-shield is TPU hyaline membranes head-shield or PVC transparent film head-shield, and the head-shield front is transparent window, The head-shield rear portion and side are provided with the inflated supporting item for propping up the head-shield.

Preferably, the head-shield is hard transparent film head-shield.

Preferably, the exhaust filtering system includes power ventilating device and air filter, the power ventilating device It is connect with the air filter, the air filter is connect with the exhaust hose.

Preferably, the power ventilating device is connect by hickey with the air filter, the hickey Place is provided with seal washer.

Preferably, control system, battery and wind turbine, the battery and the control are fixed with inside the power ventilating device System electrical connection processed, the control system are electrically connected with the wind turbine.

Preferably, operation panel and power charging interface, the battery and institute are provided with outside the power ventilating device Power charging interface connection is stated, water proof switch, air volume adjusting knob, battery capacity are provided on the operation panel and shows LED It indicator light, low battery buzzer siren and low air quantity buzzer siren and is electrically connected respectively with the control system.

Preferably, it is connected with waistband on the power ventilating device.

Preferably, the waistband is waterproof material waistband.

The present invention achieves following technique effect compared with the existing technology:

1) head-shield is set to above half body dustcoat and is connect with half body dustcoat air-tightness in the present invention, and head-shield is soft by being vented Pipe is connect with exhaust filtering system, and the pollution air filtration in negative pressure head-shield is discharged in air by exhaust filtering system, is avoided Cause of disease uses and does not interfere acting on one's own for infectious disease person to external diffusion, for infecting patient, ensures at wearer head and neck It is movable normal unrestricted.

2) hood portion uses soft TPU hyaline membranes, PVC transparent film or hard transparent film as head-shield in the present invention Material, when using soft TPU hyaline membranes or PVC transparent film, high frequency heat seal processing ensures air-tightness, using inflated supporting item Structure as support, it can be ensured that personnel wearing comfort and safety;When using hard transparent film, it can save in this way Inflatable support structure is gone, the structure of head-shield is simplified.

3) form of half body dustcoat is used in the present invention, half body dustcoat are using soft waterproof material, half body dustcoat top At the neck for connecting hood portion, lower part both can guarantee wearer by being fastened in the form of frenulum at waist and arm Activity is normal unrestricted at head and neck, and can guarantee the space of a semi-hermetic.

4) exhaust filtering system integrates control system, power supply, wind turbine and air filter in the present invention, power Air exhausting device compact structure is easy to carry in turn, and by using high-performance and small power supply and wind turbine, integrated circuit are ingenious Design and internal structure reasonable setting, realize the stable negative pressure of exhaust filtering system output, and noise is not higher than 80dB (A)。

5) exhaust filtering system is independent a device in the present invention, can be used cooperatively with negative pressure Isolation head hood, It can be used cooperatively with negative pressure mask, when exhaust filtering system is used cooperatively with head-shield, exhaust filtering system is fixed on waist Band or knapsack on, when infect patient using when waistband can be lain in loins, at this time infect patient can dress negative pressure isolation head Cover acts on one's own.

Description of the drawings

It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings Obtain other attached drawings.

Fig. 1 is the structural schematic diagram of negative pressure Isolation head hood of the present invention;

Fig. 2 is the A-A sectional views of Fig. 1;

Fig. 3 is the left view of Fig. 1;

Fig. 4 is the vertical view of Fig. 1;

Fig. 5 is the appearance diagram of exhaust filtering system;

Fig. 6 is the control system schematic diagram of exhaust filtering system.

Reference sign:1, head-shield;2, half body dustcoat;3, exhaust hose;4, air filter;5, power air draft fills It sets;6, waistband;7, breather cheek valve;8, frenulum;9, inflated supporting item;10, operation panel;11, power charging interface.

Specific implementation mode

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with the accompanying drawings and specific real Applying mode, the present invention is described in further detail.

As shown in Figs 1-4, the present embodiment provides a kind of negative pressure Isolation head hoods, including head-shield 1, half body dustcoat 2, exhaust hose 3 and exhaust filtering system, head-shield 1 is set to 2 top of half body dustcoat and is connect with 2 air-tightness of half body dustcoat, and head-shield 1 passes through exhaust Hose 3 is connect with exhaust filtering system, and 1 top of head-shield is provided with breather cheek valve 7.Exhaust filtering system includes power air draft dress 5 and air filter 4 are set, power ventilating device 5 is connect with air filter 4.The nape of head-shield 1 by way of threading with Exhaust hose 3 is connected, and 3 one end of exhaust hose connects head-shield 1, and the other end is connected with air filter 4.

Head-shield 1 is TPU hyaline membranes head-shield or PVC transparent film head-shield, and 1 front of head-shield is transparent window, 1 rear portion of head-shield and side Portion is provided with the inflated supporting item 9 for propping up head-shield 1, inflated supporting item 9 be a high frequency heat seal inflated by TPU hyaline membranes and At when in the head-shield 1 being negative pressure, playing a supporting role, it is ensured that head-shield 1 is indeformable.When head-shield 1 is transparent using soft TPU When film or PVC transparent film, air-tightness is ensured by high frequency heat seal processing, it, can be with using the structure of inflated supporting item 9 as support Ensure comfort and the safety of personnel's wearing.In another embodiment, head-shield 1 is made of hard transparent film, in this way can be with Inflatable support structure is saved, the structure of head-shield 1 is simplified.

Half body dustcoat 2 are formed by the waterproof material high frequency heat seal of soft comfortable, the neck high frequency heat seal phase with head-shield 1 Even.2 front of half body dustcoat is provided with slide fastener, and at the arm of half body dustcoat 2 and waist is provided with frenulum 8, and frenulum 8 is used for arm Place and waist tighten, and not only can guarantee that activity was normal unrestricted at wearer head and neck in this way, but also can guarantee a semi-hermetic Space.

The breather cheek valve 7 at 1 top of head-shield is fixed by way of the heat seal of high frequency, negative inside negative pressure Isolation head hood When pressure value is excessive, the valve of breather cheek valve 7 is opened, auto-admission, to adjust the negative pressure in negative pressure Isolation head hood.

Waistband 6 is connected on power ventilating device 5, waistband 6 is waterproof material waistband.Power ventilating device 5 can pass through the back of the body Packet or waistband 6 are fixed at wearer's back or low back, and when being fixed using knapsack, preferably backpack is fixed.It can See, exhaust filtering system is independent a device in the present embodiment, can be used cooperatively with negative pressure Isolation head hood, can also be with Negative pressure mask is used cooperatively, and when exhaust filtering system and head-shield cooperation, it is solid by waistband 6 is lain in loins to infect patient Exhaust filtering system is set, infection patient can dress negative pressure Isolation head hood and act on one's own at this time.

It is hard shell outside power ventilating device 5, top is connect by hickey with air filter 4, screw thread Interface is provided with seal washer, the sealed processing in junction of entire shell.

Control system, battery and wind turbine are fixed with inside power ventilating device 5, battery is electrically connected with control system, control System is electrically connected with wind turbine.The lithium battery of the repeatable charging of Selection of Battery.As shown in figure 5, being provided with outside power ventilating device 5 Operation panel 10 and power charging interface 11, battery are connect with power charging interface 11, and power charging interface 11 is used for battery Charging, also can be used as the interface of external power supply.

As shown in fig. 6, control system is made of the integrated circuit board using microcontroller P89LPC935 as core, battery passes through The circuit of digital and Adjustable is electrically connected with wind turbine, and battery is electrically connected by extending battery capacity observation circuit with integrated circuit board, Wind turbine is electrically connected by extending air quantity observation circuit with integrated circuit board, and water proof switch is arranged in operation panel 10, air quantity adjusting is pressed Button, battery capacity show the buzzer siren of LED light, low battery and low air quantity and are electrically connected respectively with integrated circuit board.

Exhaust filtering system integrates control system, power supply, wind turbine and air filter 4 in the present embodiment, moves 5 compact structure of power air exhausting device is easy to carry in turn, and by using high-performance and small power supply and wind turbine, integrated circuit are skilful The stable negative pressure of exhaust filtering system output is realized in the reasonable setting of wonderful design and internal structure, and noise is not higher than 80dB(A)。

Specific work process is as follows:When needing exhaust filtering system to run, the water proof switch on start-up operation panel 10, Battery starts wind turbine under control of the control system, and the pollution air in negative pressure Isolation head hood is passed through air filter 4 by wind turbine It is filtered, harmful substance (particulate matter, pathogenic microorganism) therein will be blocked, and filtered pure air is arranged by power Wind apparatus 5 drains into air.

The specific performance of negative pressure Isolation head hood is as shown in table 1 below in the present embodiment.

The performance parameter of 1 the present embodiment negative pressure Isolation head hood of table

From measurement result as can be seen that exhaust filtering system can make to maintain certain negative pressure value in negative pressure Isolation head hood, Noise is less than 80dB (A), and the working time is averagely more than 6 hours, items instruction and warning function normal operation.

Specific case is applied in this specification, and principle and implementation of the present invention are described, above example Explanation be merely used to help understand the present invention method and its core concept;Meanwhile for those of ordinary skill in the art, According to the thought of the present invention, there will be changes in the specific implementation manner and application range.In conclusion in this specification Appearance should not be construed as limiting the invention.

Claims (10)

1. a kind of negative pressure Isolation head hood, which is characterized in that including head-shield, half body dustcoat, exhaust hose and exhaust filtering system, institute It states head-shield to be set to above the half body dustcoat and connect with the half body dustcoat air-tightness, the head-shield is soft by the exhaust Pipe is connect with the exhaust filtering system, and breather cheek valve is provided at the top of the head-shield.
2. negative pressure Isolation head hood according to claim 1, which is characterized in that half body dustcoat front is provided with slide fastener, At the arm of the half body dustcoat and waist is provided with frenulum, and the frenulum at arm with waist for will tighten.
3. negative pressure Isolation head hood according to claim 1, which is characterized in that the head-shield is TPU hyaline membranes head-shield or PVC Hyaline membrane head-shield, the head-shield front are transparent window, and the head-shield rear portion and side are provided with for propping up the head-shield Inflated supporting item.
4. negative pressure Isolation head hood according to claim 1, which is characterized in that the head-shield is hard transparent film head-shield.
5. negative pressure Isolation head hood according to claim 1, which is characterized in that the exhaust filtering system includes power air draft Device and air filter, the power ventilating device are connect with the air filter, the air filter and the row Gas hose connects.
6. negative pressure Isolation head hood according to claim 5, which is characterized in that the power ventilating device passes through hickey It is connect with the air filter, seal washer is provided at the hickey.
7. negative pressure Isolation head hood according to claim 6, which is characterized in that be fixed with control inside the power ventilating device System, battery and wind turbine processed, the battery are electrically connected with the control system, and the control system is electrically connected with the wind turbine.
8. negative pressure Isolation head hood according to claim 7, which is characterized in that be provided with behaviour outside the power ventilating device Make panel and power charging interface, the battery is connect with the power charging interface, and waterproof is provided on the operation panel Switch, air volume adjusting knob, battery capacity show LED light, low battery buzzer siren and low air quantity buzzer siren and It is electrically connected respectively with the control system.
9. negative pressure Isolation head hood according to claim 5, which is characterized in that be connected with waist on the power ventilating device Band.
10. negative pressure Isolation head hood according to claim 9, which is characterized in that the waistband is waterproof material waistband.
CN201810240616.4A 2018-03-22 2018-03-22 A kind of negative pressure Isolation head hood CN108452450A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810240616.4A CN108452450A (en) 2018-03-22 2018-03-22 A kind of negative pressure Isolation head hood

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810240616.4A CN108452450A (en) 2018-03-22 2018-03-22 A kind of negative pressure Isolation head hood
EP19164150.5A EP3542658A1 (en) 2018-03-22 2019-03-20 Negative pressure isolation hood

Publications (1)

Publication Number Publication Date
CN108452450A true CN108452450A (en) 2018-08-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810240616.4A CN108452450A (en) 2018-03-22 2018-03-22 A kind of negative pressure Isolation head hood

Country Status (2)

Country Link
EP (1) EP3542658A1 (en)
CN (1) CN108452450A (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4019508A (en) * 1976-05-21 1977-04-26 Research Development Systems, Inc. Wearable, self-contained fully mobile personal breathing apparatus for surgeons and operating room personnel
US5592936A (en) * 1995-08-28 1997-01-14 Stackhouse, Inc. Surgical helmet
US6014971A (en) * 1997-08-15 2000-01-18 3M Innovative Properties Company Protective system for face and respiratory protection
US20030192536A1 (en) * 2002-04-12 2003-10-16 Raymond Odell Personal containment system with isolated blower
US20040255937A1 (en) * 2003-06-18 2004-12-23 En-Jang Sun Personal isolation apparatus for preventing infection of SARS or the like

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EP3542658A1 (en) 2019-09-25

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