CA3178069A1 - Sterilisation apparatus for producing plasma and hydroxyl radicals - Google Patents

Sterilisation apparatus for producing plasma and hydroxyl radicals Download PDF

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Publication number
CA3178069A1
CA3178069A1 CA3178069A CA3178069A CA3178069A1 CA 3178069 A1 CA3178069 A1 CA 3178069A1 CA 3178069 A CA3178069 A CA 3178069A CA 3178069 A CA3178069 A CA 3178069A CA 3178069 A1 CA3178069 A1 CA 3178069A1
Authority
CA
Canada
Prior art keywords
plasma
flow
gas
manifold
mist
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
Application number
CA3178069A
Other languages
English (en)
French (fr)
Inventor
Christopher Paul Hancock
George Christian ULLRICH
David Edward WEBB
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.)
Creo Medical Ltd
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
Application filed by Individual filed Critical Individual
Publication of CA3178069A1 publication Critical patent/CA3178069A1/en
Pending legal-status Critical Current

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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
    • A61L2/00—Disinfection or sterilisation of materials or objects, in general; Accessories therefor
    • A61L2/02—Disinfection or sterilisation of materials or objects, in general; Accessories therefor using physical processes
    • A61L2/14—Plasma, i.e. ionised gases
    • 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
    • A61L2/00—Disinfection or sterilisation of materials or objects, in general; Accessories therefor
    • A61L2/16—Disinfection or sterilisation of materials or objects, in general; Accessories therefor using chemical substances
    • A61L2/20—Gaseous substances, e.g. vapours
    • 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
    • A61L2/00—Disinfection or sterilisation of materials or objects, in general; Accessories therefor
    • A61L2/02—Disinfection or sterilisation of materials or objects, in general; Accessories therefor using physical processes
    • A61L2/08—Radiation
    • A61L2/12—Microwaves
    • 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
    • A61L2/00—Disinfection or sterilisation of materials or objects, in general; Accessories therefor
    • A61L2/16—Disinfection or sterilisation of materials or objects, in general; Accessories therefor using chemical substances
    • A61L2/22—Phase substances, e.g. smokes or aerosols
    • 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
    • A61L2/00—Disinfection or sterilisation of materials or objects, in general; Accessories therefor
    • A61L2/26—Accessories
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/26—Plasma torches
    • H05H1/30—Plasma torches using applied electromagnetic fields, e.g. high frequency or microwave energy
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/46—Generating plasma using applied electromagnetic fields, e.g. high frequency or microwave energy
    • H05H1/461—Microwave discharges
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/46—Generating plasma using applied electromagnetic fields, e.g. high frequency or microwave energy
    • H05H1/461—Microwave discharges
    • H05H1/4637—Microwave discharges using cables
    • 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
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/10—Apparatus features
    • A61L2202/11—Apparatus for generating biocidal substances, e.g. vaporisers, UV lamps
    • 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
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/10—Apparatus features
    • A61L2202/12—Apparatus for isolating biocidal substances from the environment
    • A61L2202/122—Chambers for sterilisation
    • 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
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/10—Apparatus features
    • A61L2202/12—Apparatus for isolating biocidal substances from the environment
    • A61L2202/123—Connecting means
    • 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
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/10—Apparatus features
    • A61L2202/15—Biocide distribution means, e.g. nozzles, pumps, manifolds, fans, baffles, sprayers
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H2245/00—Applications of plasma devices
    • H05H2245/20—Treatment of liquids
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H2245/00—Applications of plasma devices
    • H05H2245/30—Medical applications
    • H05H2245/36—Sterilisation of objects, liquids, volumes or surfaces
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Plasma Technology (AREA)
CA3178069A 2020-06-01 2021-05-28 Sterilisation apparatus for producing plasma and hydroxyl radicals Pending CA3178069A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB2008156.8 2020-06-01
GB2008156.8A GB2596278A (en) 2020-06-01 2020-06-01 Sterilisation apparatus for producing plasma and hydroxyl radicals
PCT/EP2021/064411 WO2021244981A1 (en) 2020-06-01 2021-05-28 Sterilisation apparatus for producing plasma and hydroxyl radicals

Publications (1)

Publication Number Publication Date
CA3178069A1 true CA3178069A1 (en) 2021-12-09

Family

ID=71526422

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3178069A Pending CA3178069A1 (en) 2020-06-01 2021-05-28 Sterilisation apparatus for producing plasma and hydroxyl radicals

Country Status (10)

Country Link
US (1) US20230201391A1 (https=)
EP (1) EP4157366A1 (https=)
JP (1) JP7606772B2 (https=)
KR (1) KR20230019082A (https=)
CN (1) CN115666663A (https=)
AU (1) AU2021284991A1 (https=)
BR (1) BR112022022664A2 (https=)
CA (1) CA3178069A1 (https=)
GB (1) GB2596278A (https=)
WO (1) WO2021244981A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7430429B1 (ja) * 2023-01-11 2024-02-13 株式会社アドテックプラズマテクノロジー 同軸型マイクロ波プラズマトーチ

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5633424A (en) * 1994-12-29 1997-05-27 Graves; Clinton G. Device and methods for plasma sterilization
CA2224118C (en) * 1995-06-06 2007-01-02 Abtox, Inc. Plasma water vapor sterilizer and method
US5603895B1 (en) * 1995-06-06 1998-11-03 Abtox Inc Plasma water vapor sterilizer and method
AUPS220302A0 (en) * 2002-05-08 2002-06-06 Chang, Chak Man Thomas A plasma formed within bubbles in an aqueous medium and uses therefore
JP2005259633A (ja) * 2004-03-15 2005-09-22 Toshiyuki Takamatsu マイクロ波プラズマ放電処理装置
JP4900768B2 (ja) 2004-06-22 2012-03-21 芝浦メカトロニクス株式会社 プラズマ発生装置及びプラズマ処理装置
ES2398533T3 (es) * 2005-08-04 2013-03-20 Saban Ventures Pty Limited Desinfección de espacios
JP2007268252A (ja) 2006-03-07 2007-10-18 Univ Of Ryukyus 滅菌装置及びそれを用いた滅菌方法
US7603963B2 (en) * 2006-05-02 2009-10-20 Babcock & Wilcox Technical Services Y-12, Llc Controlled zone microwave plasma system
JP2009110802A (ja) 2007-10-30 2009-05-21 Noritsu Koki Co Ltd プラズマ発生装置及びワーク処理装置
ES2568883T3 (es) * 2007-11-06 2016-05-05 Creo Medical Limited Aparato de esterilización por plasma que produce radicales hidroxilo
GB2463521B (en) * 2008-09-17 2012-11-28 Creo Medical Ltd A plasma system that produces hydroxyl radicals for sterilisation
GB0902784D0 (en) * 2009-02-19 2009-04-08 Gasplas As Plasma reactor
GB2468865B (en) * 2009-03-24 2014-04-16 Tri Air Developments Ltd Improved air decontamination device
GB2496879A (en) * 2011-11-24 2013-05-29 Creo Medical Ltd Gas plasma disinfection and sterilisation
JP2019523038A (ja) * 2016-06-17 2019-08-22 ステリファー・メディカル・インコーポレイテッドＳｔｅｒｉｆｒｅ Ｍｅｄｉｃａｌ， Ｉｎｃ． 滅菌、消毒、衛生化、除染および治療の装置、システム、ならびに方法
CN109661244B (zh) * 2016-08-30 2021-08-10 国立大学法人东北大学 病原体及害虫的驱除装置以及其反应容器
GB2574365A (en) 2018-03-16 2019-12-11 Creo Medical Ltd Sterilization apparatus

Also Published As

Publication number Publication date
KR20230019082A (ko) 2023-02-07
WO2021244981A1 (en) 2021-12-09
JP7606772B2 (ja) 2024-12-26
AU2021284991A1 (en) 2022-12-15
GB202008156D0 (en) 2020-07-15
US20230201391A1 (en) 2023-06-29
GB2596278A (en) 2021-12-29
EP4157366A1 (en) 2023-04-05
BR112022022664A2 (pt) 2022-12-20
JP2023529593A (ja) 2023-07-11
CN115666663A (zh) 2023-01-31

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