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WO2021155421A1 - Respirateur - Google Patents

Respirateur Download PDF

Info

Publication number
WO2021155421A1
WO2021155421A1 PCT/AU2020/050316 AU2020050316W WO2021155421A1 WO 2021155421 A1 WO2021155421 A1 WO 2021155421A1 AU 2020050316 W AU2020050316 W AU 2020050316W WO 2021155421 A1 WO2021155421 A1 WO 2021155421A1
Authority
WO
WIPO (PCT)
Prior art keywords
respirator
filter
respirator according
light source
user
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.)
Ceased
Application number
PCT/AU2020/050316
Other languages
English (en)
Inventor
Alex Coma
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.)
Individual
Original Assignee
Individual
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
Priority claimed from AU2020900321A external-priority patent/AU2020900321A0/en
Application filed by Individual filed Critical Individual
Priority to AU2020101320A priority Critical patent/AU2020101320A4/en
Publication of WO2021155421A1 publication Critical patent/WO2021155421A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
    • A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
    • A41D13/1192—Protective face masks, e.g. for surgical use, or for use in foul atmospheres with antimicrobial agent
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
    • A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
    • A41D13/1107—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
    • A61L9/18—Radiation
    • A61L9/20—Ultraviolet radiation
    • 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
    • A62B18/025—Halfmasks
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
    • A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
    • A41D13/1107—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape
    • A41D13/1138—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape with a cup configuration
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
    • A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
    • A41D13/1161—Means for fastening to the user's head
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/10—Apparatus features
    • A61L2209/14—Filtering means

Definitions

  • the invention relates to a respirator.
  • the invention relates to a respirator comprising a transparent or substantially transparent respirator body.
  • Face masks including surgical masks and respirators, are devices that create a barrier between the nose and mouth of the wearer and potential hazardous materials in the surrounding physical environment.
  • Surgical masks are designed to be worn by health professional during surgery and nursing to protect against the release of aerosols from the wearer that may spread infection to nearby persons. They are generally not designed to be tight fitting.
  • Respirators are designed to form a seal around the nose and mouth to protect the wearer from inhaling airborne bacteria or virus particulars.
  • a respirator for protecting a user against air borne particles, gases and/or vapours (e.g. air borne viruses, paint, dust or metal fumes), the respirator including a respirator body and one or more breathing passage, the respirator body comprising a transparent, or substantially transparent, material.
  • the respirator is reusable. It is particularly preferred that the material of the respirator body is adapted to be cleaned for secondary, or further use by the user. In a preferred form, the respirator body material is adapted to be cleaned by application of an alcohol based cleaning substance (e.g. via an alcohol based wipe)
  • the respirator body material is an elastomeric material.
  • the elastomeric material comprises medical grade silicone.
  • the elastomeric material may alternatively comprise food grade silicone.
  • the respirator body may comprise one or more of, or a combination of, PVC, PE, PET, PTFE, PP, PC or PDMS (Polydimethylsiloxane); the softer materials being hardened in accordance with methods known to the skilled addressee (e.g. by a altering the composition or using a cross-linking agent).
  • harder polymers may include a softer material around their perimeter to improve wearability and sealing of the respirator body with the skin of the user.
  • each of the one or more breathing passages includes a filter or valve. It is preferred that the filter or valve is replaceable. [12] In a preferred form, the filter or valve is a low breathing resistance filter or valve.
  • the filter includes an absorptive material.
  • the absorptive material is preferably replaceable and/or washable.
  • the absorptive material may be made from a material comprising a fabric or sponge material.
  • the absorptive material is made from a material comprising cotton.
  • the absorptive material is made from material comprising cotton gauze sponge.
  • the absorptive material is infused or combined with a eucalyptus-based substance.
  • the eucalyptus-based substance preferably comprises eucalyptus oil.
  • the eucalyptus-based substance may be re-applied to the absorptive material by the user.
  • the filter or valve preferably removes 95% or more of particles in the air passing through the filter or valve that are at least 0.3 micrometres in diameter.
  • the filter or valve of the breathing passing comprises a UV light source.
  • the UV light source may comprise a UVA and/or UVC emitting light source.
  • the UV light source may comprise a UVA and/or UVC emitting light source.
  • UVC emitting light source emits far-UVC light in the range of about 207 to 222 nm.
  • the filter includes a UVC reflecting material located between the UVC emitting light source and the user.
  • the UV light source may be shaped to form a loop.
  • the loop is preferably closed. Alternatively, it may be partially closed (e.g. include a series of contiguous segments).
  • the loop is preferably circular.
  • the loop may be triangular, square or shaped in the form of another polygon or other shape having continuous, or substantially continuous perimeter.
  • the loop is preferably located proximate to a peripheral portion of the filter.
  • the loop is substantially the same shape as the peripheral portion of the filter.
  • the absorptive material comprises a planar section of material located in a plane parallel with a plane of the loop.
  • the filter may include a filter cage surrounding the UV light source.
  • the filter case is preferably adapted to direct air passing through the filter towards the UV light source for interaction with the UV light source.
  • the filter cage includes a plurality of apertures located towards a peripheral portion of the filter.
  • the filter cage is located between the UV light source and an external environment containing the air borne particles, gases or vapours.
  • the UV light source is preferably adapted to indicate to the user information regarding the air borne particles, gases or vapours, in the air interacting with the UV light source.
  • the information includes the category or type of particle, gas or vapour that interacts with the UV light source.
  • the user is provided, or able to access a table or other graphical representation that indicates the category or type of an air borne particle based on a marking or other residual insignia that the particle leaves on the UV light source after interaction with said light source.
  • the filter includes a sensor able to determine the information regarding the air borne particles, gases or vapours (e.g. whether it is that virus or bacteria, or type of bacteria).
  • the sensor is able to automatically indicate to the user said information (e.g. by emitting a signal from a signal source directly on the filter itself, or by communicating with a personal electronic device of the user).
  • the filter includes a sensor able to assess the quality of the light of the UV light source, to determine the information.
  • the sensor is able to sense the colour and/or light intensity of the UV light source that has residual material associated with the air borne particles thereon (i.e. by comparing the colour and/or light intensity before and after air borne particles have reacted with the surface of the UV light).
  • the UV light source may be powered by a power source attached to or integral with the filter.
  • the power source is a lithium-ion battery.
  • the UV light source may be controllable by a switch.
  • the switch is located on the filter.
  • the UVA emitting light source is, in a preferred form, a blacklight.
  • the respirator body may comprise an integral mask structure.
  • the integral mask structure includes two loops for fitting to the ears of the user.
  • the respirator body is preferably adapted to substantially seal to the skin of a user.
  • the respirator body material is be an elastomeric material adapted to substantially seal to the skin of a user.
  • the elastomeric material is adapted to stretch to provide improved sealing to the skin of the user.
  • the respirator body weighs about 60 grams, or less.
  • the respirator body may include an upper perimeter having a downwardly curved nose portion.
  • the downwardly curved nose portion is symmetrical about a central point of the mask.
  • a respirator for protecting a user against air borne particles, gases and/or vapours (e.g. air borne viruses, paint, dust or metal fumes), the respirator including a respirator body and one or more breathing passage, wherein the one or more breathing passages include a filter or valve as herein described.
  • air borne particles, gases and/or vapours e.g. air borne viruses, paint, dust or metal fumes
  • the respirator including a respirator body and one or more breathing passage, wherein the one or more breathing passages include a filter or valve as herein described.
  • FIG 1 is a perspective view drawing of a respirator body of a respirator according to a preferred embodiment of the present invention.
  • FIG 4 is a top view drawing of the respirator body depicted in FIG 1.
  • FIG 6 is a schematic drawing of a filter cartridge according to a first preferred embodiment.
  • FIGS 1 to 5 depict a respirator body 1 from a number of different perspectives.
  • the respirator body 1 is made from medical grade silicone material and is substantially transparent. This permits the identification of parts of the face of the user when they are wearing the respirator body, a feature which provides for better identification of individuals (e.g. where they are travelling, and need to be identified by authorities either in person, or via CCTV camera arrangements or the equivalent thereof).
  • the respirator body 1 is reusable, and able to be cleaned for multiple uses by the user. For example, on a daily or more frequent basis, such that any toxins can be removed from the surface of the respirator body. It is known that some bacteria and viruses may live on surfaces for many hours, or even days.
  • the respirator body 1 may be cleaned by the user by application of a rubbing alcohol to the surface of the body.
  • the respirator body 1 includes two openings 5 that function as breathing passages so that the breath of the user may pass in and out of the openings 5 during respiration.
  • the external perimeter 2 of the body 1 will substantially seal the face of the user so that air is impeded from entering or exiting the mask via the external perimeter 2 of the body 1 (i.e. air does not readily enter or exist the mask otherwise than via the openings 5).
  • the openings 5 are generally circular in shape, and each opening 5 is adapted to receive a filter cartridge which comprises a low breathing resistance filter or valve adapted to filter air borne particles, gases and/or vapours (See FIGS 6 and 7).
  • a filter cartridge which comprises a low breathing resistance filter or valve adapted to filter air borne particles, gases and/or vapours (See FIGS 6 and 7).
  • FIGS 6 and 7 Depicted in FIGS 6 and 7 are preferred embodiments of a filter 50.
  • the filter 50 comprises a filter cartridge including filter material 55 comprising an absorptive, washable, cotton material.
  • the filter material 55 may be removed, for washing and reuse.
  • the cotton filter material 55 is infused with a eucalyptus oil. Alternatively, it may be infused with tea tree oil, or other antibacterial or antiviral material known to the skilled addressee.
  • the filter 50 removes 95% or more of particles passing through the filter that are at least 0.3 micrometres in diameter (i.e. meeting the N95 standard). Higher efficient filters may alternatively be used, such filters that remove 99% or more of particles passing through the filter that are at least 0.3 micrometres in diameter (i.e. the N99 standard).
  • the filter 50 includes a UV light source 60, that may be switched on or off by the user using switch 65. Alternatively, the UV light source may be located on the respirator body or integral with the filter 50 or filter material 55.
  • the UV light source 60 comprises a black light emitting UVA light, in a range of 320-
  • the UV light source 60 comprises a UVC light emitting source for emitting UVC light in the range of about 207 to 222 nm, for inhibiting entry of bacteria or viruses through the filter 50.
  • the filter 50 or respirator body may include UVC reflecting material to reflect the UVC light away from the user.
  • the UV light source 60 is in the shape of a closed circular loop, the loop being proximate to a peripheral portion 64 of the filter 50, where the peripheral portion 64 of the filter 50 is generally circular, albeit including a protruding portion to house the switch 65.
  • this portion may be elongated, as depicted in FIG 6, in order to provide increased volume to house a larger power source, such as a battery, than would alternatively be the case (see FIG 7).
  • the UV light source 60 may be in the shape of a broken loop or another configuration.
  • the loop alternatively also be in the shape of a polygon, though remains generally arranged so that air breathed into the respirator in use is able to pass over the UV light source.
  • the filter material 55 comprises a planar section of material located in a plane parallel with the plane defined by the loop of the UV light source 60, the UV light source being located proximate to and above the filter material 55.
  • the filter 50 includes a filter cage (not shown) which operates to direct air passing from the external environment into the filter 50 towards the UV light source 60 for interaction with the UV light source.
  • the filter cage includes a plurality of peripheral apertures adapted to direct air passing through the filter 50 towards the UV light source 60 for interaction with the UV light source.
  • the filter cage includes a concave central section that sits within the boundary of the UV light source 60, and assists to direct airflow towards the peripheral apertures.
  • each UV light source may have corresponding filter cage apertures to direct airflow towards the UV light source(s).
  • the UV light source 60 is adapted to indicate to the user information regarding the air borne particles, gases or vapours, in the air interacting with the UV light source.
  • the information may relate to the amount of bacterial or viral activity in the air that is breathed by the user during use of the respirator (e.g. by the amount of bacterial or viral residual insignia left on the surface of the UV light source as the bacteria of virus interacts with the surface of the UV light source); or alternatively the user may be provided indications of the categories or types of air borne particles that are correlated or associated with expected markings or other residual insignia that such particles would leave on the UV light source after interaction with said light source.
  • the UV light source 60 is able to be cleaned, by removal of the filter cage and/or the UV light source itself 60, from the filter, and it is thereafter replaceable in the filter 50.
  • the UV light source may provide the user information regarding the air borne particles in the air interacting with the UV light source, during a discrete time frame or period of activity (e.g. during travel from home to a destination; and then again during the return journey from the destination to home).
  • the filter cage may have a plurality of apertures which are not located proximate to the UV light source, and air may directly flow from the external environment through the filter material.
  • the UV light source is powered by a power source comprising a lithium battery (not shown), controllable by a switch, and integrated into the body of the filter 50.
  • the power source is located in the lower surface of the filter 50, under the switch 65.
  • the filter 50 is able to be inserted into and removed from the openings 5 of the respirator body 1.
  • the filter 50 includes a respirator body receiving ring (not shown), which is able to receive the peripheral rim 6 of the opening 5, so that the filter may form a seal with the opening 5.
  • the respirator body 1 comprises an integral structure, and is manufactured from a homogenous sheet of medical grade silicone.
  • the respirator body 1 includes two loops 40, each to be fitted in use around an ear of the user. [71] In use, the elastomeric properties of the silicone respirator body 1 assist in the respirator stretching around and substantially sealing the face of the user.
  • the respirator body includes an upper permitter having a downwardly curved nose portion 35, which is symmetrical about a central point 30 of the respirator body 1.
  • the downwardly curved nose portion 35 is outwardly curved (see FIG 4) to provide a closer fit to the nose of the user.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Zoology (AREA)
  • Pulmonology (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

La présente invention concerne un respirateur pour protéger un utilisateur contre des particules, des gaz et/ou des vapeur aéroportés, le respirateur comprenant un corps de respirateur et un ou plusieurs passages de respiration, le corps de respirateur comprenant un matériau qui est transparent, ou sensiblement transparent. La présente invention concerne en outre un respirateur pour protéger un utilisateur contre des particules, des gaz et/ou des vapeurs aéroportés (par exemple, des virus, de la peinture, de la poussière ou des fumées métalliques aéroportés), le respirateur comprenant un corps de respirateur et un ou plusieurs passages de respiration, le ou les passages de respiration comprenant un filtre ou une valve.
PCT/AU2020/050316 2020-02-06 2020-03-30 Respirateur Ceased WO2021155421A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2020101320A AU2020101320A4 (en) 2020-02-06 2020-07-10 Respirator

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AU2020900321A AU2020900321A0 (en) 2020-02-06 Antibacterial face Mask scented
AU2020900321 2020-02-06
AU2020900759 2020-03-13
AU2020900759A AU2020900759A0 (en) 2020-03-13 Anti Virus detection filter

Publications (1)

Publication Number Publication Date
WO2021155421A1 true WO2021155421A1 (fr) 2021-08-12

Family

ID=77199103

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU2020/050316 Ceased WO2021155421A1 (fr) 2020-02-06 2020-03-30 Respirateur

Country Status (1)

Country Link
WO (1) WO2021155421A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11911637B2 (en) 2020-12-04 2024-02-27 Ford Global Technologies, Llc Mask
US20240149082A1 (en) * 2021-03-09 2024-05-09 Innovate Italia Group S.R.L. Personal protective device and filtering group
US12402673B2 (en) 2022-09-13 2025-09-02 Ford Global Technologies, Llc Mask

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5165395A (en) * 1992-02-14 1992-11-24 Ricci Mark R Ultra-violet germicidal mask system
US20080092909A1 (en) * 2004-09-20 2008-04-24 California Pacific Medical Center Face Mask
US20100239625A1 (en) * 2007-03-02 2010-09-23 Puckett Anne Mcintosh Transparent antimicrobial face mask
CN104510031A (zh) * 2014-12-26 2015-04-15 王彤 加湿片和包含该加湿片的加湿口罩
CN106388081A (zh) * 2016-08-31 2017-02-15 郑州大学 一种带有过滤插片的口罩及氧化锌量子点插片的制备方法
US20180264161A1 (en) * 2018-05-11 2018-09-20 Gerry M. Welch Ultraviolet Light Germicidal Facemask Apparatus and Method
CN110507020A (zh) * 2019-09-19 2019-11-29 株式会社恩比宇宙 一种抗菌性口罩

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5165395A (en) * 1992-02-14 1992-11-24 Ricci Mark R Ultra-violet germicidal mask system
US20080092909A1 (en) * 2004-09-20 2008-04-24 California Pacific Medical Center Face Mask
US20100239625A1 (en) * 2007-03-02 2010-09-23 Puckett Anne Mcintosh Transparent antimicrobial face mask
CN104510031A (zh) * 2014-12-26 2015-04-15 王彤 加湿片和包含该加湿片的加湿口罩
CN106388081A (zh) * 2016-08-31 2017-02-15 郑州大学 一种带有过滤插片的口罩及氧化锌量子点插片的制备方法
US20180264161A1 (en) * 2018-05-11 2018-09-20 Gerry M. Welch Ultraviolet Light Germicidal Facemask Apparatus and Method
CN110507020A (zh) * 2019-09-19 2019-11-29 株式会社恩比宇宙 一种抗菌性口罩

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11911637B2 (en) 2020-12-04 2024-02-27 Ford Global Technologies, Llc Mask
US20240149082A1 (en) * 2021-03-09 2024-05-09 Innovate Italia Group S.R.L. Personal protective device and filtering group
US12402673B2 (en) 2022-09-13 2025-09-02 Ford Global Technologies, Llc Mask

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