WO2021253057A1 - Dispositif de protection des voies respiratoires pour être humain - Google Patents

Dispositif de protection des voies respiratoires pour être humain Download PDF

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Publication number
WO2021253057A1
WO2021253057A1 PCT/VN2021/000012 VN2021000012W WO2021253057A1 WO 2021253057 A1 WO2021253057 A1 WO 2021253057A1 VN 2021000012 W VN2021000012 W VN 2021000012W WO 2021253057 A1 WO2021253057 A1 WO 2021253057A1
Authority
WO
WIPO (PCT)
Prior art keywords
user
helmet
air
sealed
protection device
Prior art date
Application number
PCT/VN2021/000012
Other languages
English (en)
Inventor
Phuong Nam BUI
Trong Minh Duc DO
Nguyen Khanh An TRAN
Original Assignee
Vihelm Company Ltd.
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 Vihelm Company Ltd. filed Critical Vihelm Company Ltd.
Publication of WO2021253057A1 publication Critical patent/WO2021253057A1/fr

Links

Classifications

    • 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
    • A62B18/04—Gas helmets
    • A62B18/045—Gas helmets with fans for delivering air for breathing mounted in or on the helmet
    • 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
    • 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
    • A62B18/086—Adaptations for consuming refreshments without unmasking

Definitions

  • the invention relates to the fields of gas masks/air cleaning. Specifically, the invention refers to a protection device for humans respiratory paths whose main function is to protect the user's respiratory airway, it also enables the user to perform basic biological movements such as scratching of head, face, eating and drinking without having to remove the device first.
  • Respiratory protectors also known as respirators to provide fresh air to the users are used in a variety of applications. Respiratory protectors can be used in fires, military operations, and hazardous industrial applications where the air exhaust can be contaminated. In addition to providing a clean source of air for the nose and mouth to breathe, respirators also protect the eyes and face from harmful gases or other irritants. Respiratory protection devices may include mounting brackets for receiving removable and replaceable filter elements or connectors for the air supply.
  • respiratory protection devices There are several types of specific respiratory protection devices that are commonly used. These respiratory protectors include a transparent visor-mask, a face shield to position the visor-mask to the user's face, and one or more ports that provide air to the user. In addition, respiratory protection devices can be configured for different modes depending on the specific circumstances of use.
  • PAPR powered air purifying respirator
  • PAPR is commonly used in military, industrial, or hazardous environments to protect personal breathing airways by preventing ambient air from entering a user's mask, helmet or hood. Respiratory hazards can include particulate matter, toxic gas or toxic vapors that are removed by filtering the surrounding air through a filter.
  • a powered air purifying respirator consists of a powered fan, forcing ambient air through one or more filters to be inserted into the respirator.
  • the fan and filter can be mounted on the mask, or in some cases, can be mounted on a belt or backpack and connected to the mask via an adapter and fan.
  • the fan power is usually mounted away from the mask but can also be mounted on the mask.
  • EP2555849A2 to David L.Ausen disclosed an air purifier consisting of a filter housing and a filter.
  • the filter consists of a contaminated air inlet, a filter in liquid communication with the contaminated air inlet, a blower in fluid communication with the filter assembly through a duct, and the fan assembly further contains an filtered air outlet and a filtered air inlet in fluid communication with the blower assembly outlet.
  • the blower assembly is isolated from the filter housing by being attached to the filter housing with a duct exclusively.
  • the duct includes an elastic material for reducing filter load and is designed to be flexible in use.
  • US Patent No.US2009025716Al to Mark Glazman disclosed a powered air purifying respirator (PAPR) mask.
  • the helmet structure is attached to an inner adjustable headband.
  • the straps include straps to specifically adjust their size to the wearer.
  • a shield is attached to the helmet structure to completely cover the user's head to maintain the usual shape of the helmet.
  • the powered air cleaning mask also includes an air disinfection chamber, fan, filter, UV sterilizer, and a power supply unit.
  • a respiratory protection device for humans apart from being used under circumstances such as fires or in places with a highly toxic/infectious environment such as laboratories, infectious disease areas, thermal power plants, waste treatment plant, etc., can also be used in the increasingly polluted natural environment.
  • Respiratory protection devices like the N95 respirator or the devices listed above meet its basic needs.
  • PAPR powered air purifying respirator
  • respiratory protection devices are also used for people with respiratory infections in order to prevent the spread of the disease to the community.
  • a respiratory protection device with which the user can perform basic biological activities such as scratching the head, face scratching, eating/drinking without having to remove/dismount the device, helping to maximize efficiency for users.
  • a respiratory protection device for human which includes a sealed helmet used to isolate the user's respiratory airway from the air outside.
  • the helmet surface has at least one soft area made of a soft material that allows the user to manipulate the space inside the helmet without altering the respiratory isolation properties of the same to the air outside.
  • the soft area is in the form of a glove, to enable the user to separate thumb activity from other fingers.
  • the helmet also includes a mechanical connection with a powered air purifying respirator (PAPR) system; where the PAPR air blower system continuously pressures the sealed helmet to maintain a permanently positive or negative pressure inside the sealed helmet; in operation, the blower continuously blows filtered air in between the space inside the sealed helmet and the outside space.
  • PAPR powered air purifying respirator
  • the sealed helmet also has openings above the user's head which are covered with the first gasket, so that the user can scratch their head.
  • the inner helmet includes at least one empty compartment for drinking water and/or food and/or other personal items such as toothpicks, floss, cloths, and straws.
  • a respiratory protection device for human whose users can perform basic biological activities such as scratching their heads, face and eating/drinking without respiratory protective equipment being disassembled/removed.
  • a respiratory protection device for human whose user’s body temperature can be monitored/measured without the need to disassemble/disassemble the respiratory protection device.
  • Figure 1A is a three-dimensional (3D) perspective view that illustrates the side view of a human respiratory protection device according to the examplary embodiment of The invention
  • Figure IB is a three-dimensional (3D) perspective view that illustrates the coronary structure of a respiratory protection device for human according to a exemplary embodiment of the invention
  • Figure 1C is a three-dimensional (3D) perspective view that illustrates the top inner surface of a human respiratory protection device according to a exemplary embodiment of the invention
  • Figure ID is a three-dimensional (3D) perspective view that illustrates shield panel of a respiratory protection device for human according to a exemplary embodiment of the invention.
  • references to the embodiments of one of the alternatives, realisation, for example, may indicate that the embodiment of the invention described may include a particular feature, structure or characteristic but not that all embodiments necessarily include these specific features, structures, or properties. Furthermore, the repeated usage of a phrase in a direct or exemplary embodiment, does not necessarily refer to the same embodiment, although they may.
  • continuously positive respiratory airway pressure is a feature provided by a positive pressure breather, applying lightly positive pressure in a continuous way. It keeps the airway open continuously in those who can breathe naturally, but it is necessary to help keep the airway of them unobstructed.
  • FIG. 1A is a three-dimensional (3D) perspective view that illustrates the side of a respiratory protection device for human according to the exemplary embodiment of the invention.
  • the respiratory protection device for human 100 (“the device Vihelm 100”) includes a PAPR 110 (powered air purifying respirator) system, a clean air supply hose 120, couplers 130 and a sealed helmet 140.
  • the sealed helmet 140 consists of a top 141, a shield 142, a brim 143 and a base plate 144 located below the brim 143, under the chin of the user of the device Vihelm 100.
  • the brim 143 is for mechanical connection between components including the top 141, the shield 142 and the base plate 144; In addition, the brim 143 also has the function of fixing the sealed helmet 140 on the head 150 of the user of the device Vihelm 100.
  • the top 141 is at the top of the device, is bent to the top of the head 150 of the user of the device Vihelm 100; a large ridge of 141a runs along the top of user’s head 150a and two leaf-shaped depressions 141b on either side of the large ridge 141a; This structure makes it convenient for the user to wear the device Vihelm 100 to wear a 140 sealed helmet.
  • the top of the helmet 141 together with the brim 143 is used to fix the helmet 140 on the user's head 150 and used to connect to the rim 143, the shield 142 and to connect to the air blowing system PAPR 110.
  • the top 141 will not be connected to the air blowing system PAPR 110;
  • the sealed helmet 140 acts as a stand-alone device that isolates the respiratory airway of the user of the device Vihelm 100 from the air outside.
  • shield 142 is placed in front of the user of the device Vihelm 100.
  • the shield 142 is made of transparent material such as plastic, glass, etc., in order not to limit the visibility of the user of the device Vihelm 100.
  • Base plate 144 is linked to the brim 143, together with the brim 143, the shield 142 and the top 141, it covers the head of the user of the device Vihelm 100, helps optimize the respiratory airway, protects the respiratory airway from external environmental influences. Details of the top 141, the shield 142, the brim 143 and the base plate 144 are shown in Figure IB - Figure IE and will be discussed below.
  • the air blower system PAPR 110 is connected to the sealed helmet 140, at the top of the hat 141, through a supply hose 120 by joints 130. Air from the surroundings of the user using the device Vihelm 100 will be purified by the air blowing system PAPR 110 and put into the sealed helmet 140 through the clean air supply hose 120.
  • the clean air supply hose 120 and the couplers 130 are made of plastic material and clean air supply hose 120 is stretchable to fit the majority of the height of user of the device Vihelm 100.
  • On the air blower PAPR 110 there provided a clip 111 used to hang/wear the air blower system PAPR 110 on the shirt/pants of the user of the device Vihelm 100.
  • the air blower system PAPR 110 is used to maintain permanently positive or negative pressure in the space inside the sealed helmet 140.
  • the blower continuously provides filtered air in between the inner space and the outer space of the sealed helmet 140. Meanwhile, the air exhaled by the user of device Vihelm 100 is continuously expelled. Positive/negative pressure prevents ambient air from entering the sealed helmet 140 and prevents foreign matter from entering the sealed helmet 140.
  • the air blowing system PAPR 110 is commonly used in protection equipment/masks. Respiratory protectors are available on the market so they will not be described in detail here so as not to obscure the various aspects of the invention.
  • Inner space refers to the space that the sealed helmet 140 encircled the head of the user of the device Vihelm 100.
  • Positive pressure is a state in which the air pressure in the inner space is greater than that of the ambient pressure, (pressure outside the cap).
  • Negative pressure is a state in which the air pressure in the inner space is less than that of the ambient pressure (pressure outside the cap).
  • FIG. IB is a three-dimensional (3D) perspective view that illustrates the brim structure 143 of the device Vihelm 100 according to the exemplary embodiment of the invention.
  • the brim 143 consists of abase frame 143a, a hollow box 143b.
  • the base frame 143a has the shape of a 3-step trapezoid, consisting of the first step 143al, the second step 143a2, the third step 143a3.
  • the first stage 143al is rounded to the chin of the user of the device Vihelm 100.
  • the third stage 143a3 has a circular structure following the top 102 of the user's head the device Vihelm 100, starting from temple 103 on the left/right to temple 103 on the right/left.
  • the two third steps 143a2 connect between the first step 143al and the third step 143a3 at the position of the opposing side of the head 150 of the user of the device Vihelm 100.
  • the empty box 143b is of rectangular/square/round shape with sealed downward bottom of the box, the top of the box is open to store drinking water and/or food and/or other items such as toothpicks, dental floss, wipes, straws, etc..
  • th brim 143 achieves the goal of the invention, that the user of the device Vihelm 100 can perform basic biological activities of eating/drinking without having to disassemble/disassemble the device Vihelm 100; this makes safer for the user of the device Vihelm 100, especially in case of the activities in need to operate/operation in a long time in the environment, such as waiting for emergency rescue/rescue, etc..
  • FIG. 1C a three-dimensional (3D) perspective view that illustrates the inside top of the top 141 of the device Vihelm 100 according to the exemplary embodiment of the invention.
  • the top 141 is connected mechanically to the brim 143 at the third position 143a3 and also includes an additional clean air duct 141c, a forehead bar 14 Id, a large number of openings 14 le.
  • the clean air duct 141c is located below and along the large ridge 141a with one end connected to couplers 130 and the other end tapered down toward shield 142; This structure is intended to increase the efficiency of the permanently positive airway pressure, allowing clean air from the air blowing system PAPR 110 to go in only one direction.
  • the forehead bar 14 Id is in the form of semicircular, horizontal arc to the contour of the head of the user of the device 150 Vihelm 100;
  • the forehead bar 14 Id is also made of a highly elastic rubber material, which makes the sealed helmet 140 can be used for a variety of head sizes of the users of the device Vihelm 100.
  • the openings 141e are evenly distributed over two leaf-shaped depressions 141b.
  • the openings 14 le are covered with the first (not shown) gasket, which is also made of a rubber material with high elasticity; thanks to this structure, the goal of the invention is achieved, that is, the user of the device Vihelm 100 can perform basic biological activities such as scratching their heads through the openings 14 le without having to remove/remove sealed helmet 141, while still achieving the target of protecting the respiratory airway of the user of the device Vihelm 100.
  • Figure ID is the three-dimensional (3D) perspective view of the device Vihelm 100 according to an exemplary embodiment of the invention.
  • the lower shield is mechanically connected to the brim 143 at the first step 143al and the second step 143a2, the upper part is mechanically connected to the top 141 to form a loop structure.
  • the shield facing the forehead of the user of the device Vihelm 100, there is a temperature-checking glass ring 142a.
  • the user of the device Vihelm 100 can check the temperature with a laser thermometer without having to remove/dismount the sealed helmet 100; This is very convenient in case the user of the device Vihelm 100 is in a highly contaminated environment and needs to check the body temperature (e.g in COVID19 pandemic).
  • this electronic thermometer includes an internet of things (IoT) device.
  • Figure IE is the three-dimensional (3D) perspective view of the base plate of the device Vihelm 100 according to one embodiment of the invention.
  • the base plate 144 consists of a soft area 144a, a perimeter 144b and a second pad 144c.
  • the soft area 144a is made of soft material so that the user can use the hand to impact on the space inside the sealed helmet 140 without changing the characteristics of isolated respiratory airway of the user to the air outside.
  • the soft area 144a is glove-shaped so that the user of the device Vihelm 100 can separate thumb activity 144al from other fingers.
  • the second pad 144c is made of high elastic rubber material.
  • Belt 144b is used for connecting mechanically the base plate 144 to the brim 143 and for connecting components including the soft area 144a and the second pad 144c.
  • the soft area 144a includes gloves for left and/or right handed people. With this design, it is achieved the goal of the invention is that the user of the Vihelm 100 can perform basic biological activities such as scratching the face and/or eating/drinking from the 143b empty pits without having to disassemble/dismount the sealed helmet 140.
  • an opening 144d is provided; the user of the device Vihelm 100 wears the sealed helmet 140 through this hole 144d. Since the second pad 144c is made of highly elastic rubber, it will hug the neck of the user of device Vihelm 100. Thus, together the top 141, the shield 142, the brim 143 and the base plate 144 create a structure that covered the head of the user of the device Vihelm 100.
  • the invention achieves the following objectives: a) Protecting human respiratory airway; b) Providing a clean air stream for the user of the Vihelm 100; c) Not restricting the visibility and the range of activities of the user of the device
  • Vihelm 100 The user of the Vihelm 100 can perform basic biological activities such as scratching the face/head and/or eating/drinking without having to remove/dismount the sealed helmet 140; e) The user of the device Vihelm 100 can be checked with body temperature without having to remove/dismount the sealed helmet 140.
  • the invention provides a respiratory protection device for human 100 from the negative impacts from the external environment such as air pollution, fire, environment with a high possibility of infection, etc.
  • the device Vihelm 100 is also used for people with respiratory infections to prevent the spread of the disease to the community.
  • the users of the Vihelm 100 can have their temperature checked without having to disassemble/dismount the device. This helps to keep the user safe in a highly contaminated environment such as COVID19.
  • the users of the device Vihelm 100 can also have basic biological activities such as scratching the head, scratching the face, eating/drinking without having to disassemble/dismount the device, helping to bring maximum efficiency to the user in case of a long operation/operation.

Landscapes

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

Abstract

L'invention concerne un dispositif de protection des voies respiratoires pour être humain comprenant un système PAPR (appareil de protection respiratoire alimenté purifiant l'air) et un casque étanche. Le système de soufflage d'air PAPR est relié mécaniquement au casque étanche et est utilisé pour fournir de l'air pur au casque étanche. Le casque étanche recouvre la tête de l'utilisateur. Il est prévu un premier tampon et au moins une zone souple au-dessus du casque de façon à ce que l'utilisateur puisse effectuer des activités biologiques de base telles que se gratter la tête et le visage. De plus, le casque comprend également au moins une boîte vide pour l'eau potable ou un aliment ou d'autres outils personnels tels que des cure-dents, du fil dentaire, des lingettes et des pailles que l'utilisateur peut utiliser sans que le dispositif de protection respiratoire se soit retiré/démonté.
PCT/VN2021/000012 2020-06-12 2021-06-11 Dispositif de protection des voies respiratoires pour être humain WO2021253057A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
VN202003384 2020-06-12
VN1-2020-03384 2020-06-12

Publications (1)

Publication Number Publication Date
WO2021253057A1 true WO2021253057A1 (fr) 2021-12-16

Family

ID=78846639

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/VN2021/000012 WO2021253057A1 (fr) 2020-06-12 2021-06-11 Dispositif de protection des voies respiratoires pour être humain

Country Status (1)

Country Link
WO (1) WO2021253057A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010032348A1 (en) * 2000-01-18 2001-10-25 Diaz Luis A. Air filtration system including a helmet assembly
KR200328035Y1 (ko) * 2003-04-02 2003-09-26 이국빈 포켓용 방연 안면보호대
JP3123614U (ja) * 2005-07-21 2006-07-27 佐代子 棚橋 簡易ヘルメット兼用防災バッグ（略称：ｈｂｓｌ）
CN106880122A (zh) * 2017-04-25 2017-06-23 盐城工学院 一种头盔及防护装置
US10188476B1 (en) * 2015-08-27 2019-01-29 Sandeep Jain Medical gown having an integral protective sleeve for medical equipment

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010032348A1 (en) * 2000-01-18 2001-10-25 Diaz Luis A. Air filtration system including a helmet assembly
KR200328035Y1 (ko) * 2003-04-02 2003-09-26 이국빈 포켓용 방연 안면보호대
JP3123614U (ja) * 2005-07-21 2006-07-27 佐代子 棚橋 簡易ヘルメット兼用防災バッグ（略称：ｈｂｓｌ）
US10188476B1 (en) * 2015-08-27 2019-01-29 Sandeep Jain Medical gown having an integral protective sleeve for medical equipment
CN106880122A (zh) * 2017-04-25 2017-06-23 盐城工学院 一种头盔及防护装置

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