WO2022003401A1 - Cartouche de masque de respirateur désinfectant avec lumière ultraviolette - Google Patents

Cartouche de masque de respirateur désinfectant avec lumière ultraviolette Download PDF

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Publication number
WO2022003401A1
WO2022003401A1 PCT/IB2020/056232 IB2020056232W WO2022003401A1 WO 2022003401 A1 WO2022003401 A1 WO 2022003401A1 IB 2020056232 W IB2020056232 W IB 2020056232W WO 2022003401 A1 WO2022003401 A1 WO 2022003401A1
Authority
WO
WIPO (PCT)
Prior art keywords
cylinder
cartridge
air
cartridge enclosure
respirator mask
Prior art date
Application number
PCT/IB2020/056232
Other languages
English (en)
Inventor
Adel GASTLI
Sadok SASSI
Original Assignee
Qatar University
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 Qatar University filed Critical Qatar University
Priority to PCT/IB2020/056232 priority Critical patent/WO2022003401A1/fr
Publication of WO2022003401A1 publication Critical patent/WO2022003401A1/fr

Links

Classifications

    • 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
    • A62B23/00—Filters for breathing-protection purposes
    • A62B23/02—Filters for breathing-protection purposes for respirators
    • 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
    • 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
    • A61L2209/11—Apparatus for controlling air treatment
    • A61L2209/111—Sensor means, e.g. motion, brightness, scent, contaminant sensors
    • 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

  • Some example embodiments may generally relate to face-wom respirators, such as those configured to prevent exposure to airborne pathogens.
  • Pathogens such as influenza viruses, rhinoviruses, mycobacterium tuberculosis, ebolaviruses, and severe acute respiratory syndrome coronaviruses, such as SARS-CoV, SARS-CoV-1, and more recently SARS-CoV-2, have increased the need for sufficient and effective personal protective equipment (PPE).
  • PPE personal protective equipment
  • an apparatus may include at least one solid cylinder comprising at least one helicoidal channel passing through the at least one cylinder along a y-axis of the at least one cylinder, at least one cartridge enclosure configured to house the at least one solid cylinder, and at least one light source disposed between the at least one solid cylinder and at least one cartridge enclosure and configured to emit ultraviolet light.
  • FIG. 1 illustrates an example of a respirator mask cartridge design according to certain embodiments.
  • FIG. 2 illustrates an example of a structure of a transparent helicoidal air channel according to various embodiments.
  • FIG. 3 illustrates an example of multiple internal details of a cartridge enclosure according to some embodiments.
  • UVC Far- ultra violet C
  • A/H1N1 airborne influenza A virus subtype H1N1
  • UV intensity fluence
  • a user may use far-UVC light to disinfect inhaled and exhaled air, protecting both the user and other people.
  • Some embodiments of the respirator mask cartridge described herein allow its user to breathe cleaned and sanitized air using a series of mechanisms.
  • unfiltered air first passes through a particle filter, which captures or otherwise prevents larger particles from passing more in-depth into the respirator mask cartridge.
  • the air travels through a transparent cylinder via a plurality of helicoidal air channels inside the cylinder.
  • the air is exposed to far-UVC light, disinfecting the air of any microorganisms.
  • the air passes through a carbon filter which captures ozone (O3) generated by the UVC light, protecting the user from the ozone.
  • O3 ozone
  • FIG. 1 illustrates an assembled view and an exploded view of an example embodiment of a respirator mask cartridge 100.
  • Respirator mask cartridge 100 may include a cylinder 101 with at least one helicoidal air channel passing through cylinder 101, which may be centered on the y-axis of cylinder 101, and run from an interior end of cylinder 101 to an exterior end of cylinder 101.
  • Cylinder 101 may be made of any combination of transparent material, including glass, plastic, acrylic, polycarbonate, polypropylene, and other polymers.
  • respirator mask cartridge 100 may include at least one particle filter 102 configured to cover the exterior end of cylinder 101, including exterior-end entries of the helicoidal air channels in cylinder 101.
  • Particle filter 102 may be configured to capture airborne particles, such as smoke, mold, dust, fungus, bacteria, and viruses.
  • Particle filter 102 may also be any combination of cotton, fiberglass, polyester, high-efficiency particulate air (HEP A), ultra-low particulate air (ULPA), and electrostatic non- woven polypropylene fiber filters.
  • particle filter 102 may also be a cupper filter, such as a cuprous oxide (Q12O)- impregnated filter configured to provide more protection against microbes and viruses.
  • Q12O cuprous oxide
  • respirator mask cartridge 100 may also include at least one carbon filter 103 configured to cover the interior end of cylinder 101, opposite from particle filter 102, including interior-end entries of the helicoidal air channels in cylinder 101.
  • Carbon filter 103 may include activated carbon and/or activated charcoal.
  • respirator mask cartridge 100 may further include a cartridge enclosure 104 configured to enclose and secure the aforementioned features.
  • Cartridge enclosure 104 may be a cylindrical shell having an interior volume suitable to house cylinder 101, particle filter 102, and carbon filter 103.
  • the interior face of cartridge enclosure 104 may include reflective material, such as glass mirrors, acrylic mirrors, paint, polished anodized aluminum, and biaxially- oriented polyethylene terephthalate (BoPET).
  • the reflective material of cartridge enclosure 104 may be configured to amplify and focus light within cartridge enclosure 104 towards air moving through the helicoidal air channels in cylinder 101.
  • the interior face of cartridge enclosure 104 may have multiple surfaces, wherein the interior face may include at least one indentation extending longitudinally from an interior end of cartridge enclosure 104 to an exterior end of cartridge enclosure 104. At least one indentation may be configured to secure at least one strip of lights 105, such as far-UVC light-emitting diode (LED) lights, to the interior face of cartridge enclosure 104. Any number of indentations and lights 105 may be accommodated by cartridge enclosure 104.
  • LED far-UVC light-emitting diode
  • lights 105 may be powered by batteries (not shown), which may be disposed outside of the respirator mask cartridge. As a result, the respirator mask cartridge may remain lightweight and maintenance- free. Additionally or alternatively, the batteries may be charged using, for example, a universal serial bus (USB) cable. Furthermore, lights 105 may be directly powered by other sources, such as a battery pack used for charging mobile devices or cell phones.
  • batteries not shown
  • USB universal serial bus
  • an interior end of a nut 106 may be configured to screw, snap, or otherwise lock onto the exterior end of cartridge enclosure 104, thereby sealing elements 101-103 and 105 from air leaking with the outside environment.
  • Nut 106 may include a plurality of holes extending from its interior to exterior end, allowing an exchange of air between the outside environment and particle filter 102.
  • the outside surface of cartridge enclosure 104 may include nut 107 configured to affix cartridge enclosure 104 to article 108, which may be a respiratory mask. While a single respirator mask cartridge has been described as affixing to article 108, any number of respirator mask cartridges may be used.
  • respirator mask cartridges may be affixed to article 108, and extend away from article 108 at the same angle.
  • a variety of respirator mask designs including full-face and half-face masks, may be accommodated, and additional safety may be provided with a backup respirator mask cartridge in place if one respirator mask cartridge fails.
  • cylinder 101 shown in FIG. 1 may have at least one helicoidal air channel, more closely detailed at 201 in FIG. 2.
  • air begins to pass through helicoidal air channel 201 from the exterior end of cylinder 101 to the interior end of cylinder 101.
  • Air exhaled by the user again flows through helicoidal air channel 201 inversely. In this way, exposing the air to UVC light while passing through helicoidal air channel
  • helicoidal air channel 201 protects both the user and other people. It is noted that the length and/or angle of helicoidal air channel 201 may be adjusted to increase or decrease the distance of helicoidal air channel 201, and thus the time that air is exposed to UVC light.
  • cylinder 101 may include an electronic communication system, allowing the user to speak to others without the need to remove respirator mask cartridge 100 and risk contamination.
  • an electronic communication system allowing the user to speak to others without the need to remove respirator mask cartridge 100 and risk contamination.
  • channel For example, channel
  • Cylinder 101 may run through the center of cylinder 101 and may house a microphone configured to detect voice communications from the user.
  • the microphone may transmit signals to an electroacoustic transducer (speaker) via a wireless connection, such as with BLUETOOTH and/or ZIGBEE technology, and/or with a wired connection passing through wire channel 204.
  • Cylinder 101 may also have a tongue 203 configured to align cylinder 101 with carbon filter 103 and/or cartridge enclosure 104.
  • any number of sensors may be integrated with respirator mask cartridge 100, such as light, pressure, temperature, and humidity sensors.
  • Such sensors may communicate with an electronic device, such as a mobile phone, via a wired connection passing through channel 202 and/or a wireless connection, such as with BLUETOOTH and/or ZIGBEE technology.
  • the user may monitor the performance of respirator mask cartridge 100 and may receive notifications on required preventative maintenance when respirator mask cartridge 100, using the variety of sensors, detects abnormalities in the functioning of respirator mask cartridge 100.
  • FIG. 3 illustrates a detailed view of cartridge enclosure 104.
  • the interior face of cartridge enclosure 104 may include a plurality of reflective surfaces 301, which may reflect and focus UVC light towards helicoidal air channel 201.
  • Lights 105 may be positioned at any of indentations 302, which may run along the longitudinal axis of cartridge enclosure 104.
  • a microphone in channel 202 requiring a wired connection may use wire port 304 to allow communication from the microphone to a speaker positioned outside of respirator mask cartridge 100, with the wire passing through wire channel 303.
  • Certain embodiments described herein may have various benefits and/or advantages to overcome the disadvantages described above. For example, certain embodiments may sanitize air inhaled and exhaled by a user, as well as allow verbal communication without removal of the respirator mask cartridge.
  • Certain embodiments may sanitize air inhaled and exhaled by a user, as well as allow verbal communication without removal of the respirator mask cartridge.
  • the features, structures, or characteristics of example embodiments described throughout this specification may be combined in any suitable manner in one or more example embodiments.
  • the usage of the phrases “various embodiments,” “certain embodiments,” “some embodiments,” or other similar languages throughout this specification refers to the fact that a particular feature, structure, or characteristic described in connection with an example embodiment may be included in at least one example embodiment.
  • CoV Coronavirus [0031] eV Electronvolt [0032] HEPA High-efficiency Particulate Air [0033] LED Light-emitting Diode [0034] nm Nanometers [0035] PPE Personal Protective Equipment [0036] SARS Severe Acute Respiratory Syndrome [0037] ULPA Ultra-low Particulate Air [0038] USB Universal Serial Bus [0039] UVC Ultraviolet C [0040] VOC Volatile Organic Compound

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Pulmonology (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

Selon un mode de réalisation donné à titre d'exemple, un appareil peut comprendre au moins un cylindre solide comprenant au moins un canal hélicoïdal traversant l'au moins un cylindre le long d'un axe y de l'au moins un cylindre, au moins une enceinte de cartouche configurée pour loger l'au moins un cylindre solide, et au moins une source de lumière disposée entre l'au moins un cylindre et au moins une enceinte de cartouche et configurée pour émettre une lumière ultraviolette.
PCT/IB2020/056232 2020-07-02 2020-07-02 Cartouche de masque de respirateur désinfectant avec lumière ultraviolette WO2022003401A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/IB2020/056232 WO2022003401A1 (fr) 2020-07-02 2020-07-02 Cartouche de masque de respirateur désinfectant avec lumière ultraviolette

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2020/056232 WO2022003401A1 (fr) 2020-07-02 2020-07-02 Cartouche de masque de respirateur désinfectant avec lumière ultraviolette

Publications (1)

Publication Number Publication Date
WO2022003401A1 true WO2022003401A1 (fr) 2022-01-06

Family

ID=79315628

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2020/056232 WO2022003401A1 (fr) 2020-07-02 2020-07-02 Cartouche de masque de respirateur désinfectant avec lumière ultraviolette

Country Status (1)

Country Link
WO (1) WO2022003401A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104824877A (zh) * 2015-04-01 2015-08-12 谢爱敏 一种预防结核传播装置
US20180264161A1 (en) * 2018-05-11 2018-09-20 Gerry M. Welch Ultraviolet Light Germicidal Facemask Apparatus and Method
US20190255201A1 (en) * 2018-02-20 2019-08-22 Freestyle Partners, LLC Portable and disposable far-uvc device
CN209985209U (zh) * 2019-01-26 2020-01-24 河南省爱唯康生物科技有限公司 一种光氧素催化装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104824877A (zh) * 2015-04-01 2015-08-12 谢爱敏 一种预防结核传播装置
US20190255201A1 (en) * 2018-02-20 2019-08-22 Freestyle Partners, LLC Portable and disposable far-uvc device
US20180264161A1 (en) * 2018-05-11 2018-09-20 Gerry M. Welch Ultraviolet Light Germicidal Facemask Apparatus and Method
CN209985209U (zh) * 2019-01-26 2020-01-24 河南省爱唯康生物科技有限公司 一种光氧素催化装置

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