FR2889960A1 - Sterilization agent e.g. thermo labile product, diffusing method for e.g. microbiological safety station, involves using nebulizer to diffuse agent into sterilizable unit and automaton to control mobile unit to transport agent towards unit - Google Patents

Sterilization agent e.g. thermo labile product, diffusing method for e.g. microbiological safety station, involves using nebulizer to diffuse agent into sterilizable unit and automaton to control mobile unit to transport agent towards unit Download PDF

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Publication number
FR2889960A1
FR2889960A1 FR0508943A FR0508943A FR2889960A1 FR 2889960 A1 FR2889960 A1 FR 2889960A1 FR 0508943 A FR0508943 A FR 0508943A FR 0508943 A FR0508943 A FR 0508943A FR 2889960 A1 FR2889960 A1 FR 2889960A1
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France
Prior art keywords
unit
agent
mobile process
sterilizable
nebulizer
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FR0508943A
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French (fr)
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Thierry Roger Garcia
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Individual
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Individual
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Priority to FR0508943A priority Critical patent/FR2889960A1/en
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    • 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—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
    • A61L2/22—Phase substances, e.g. smokes, aerosols or sprayed or atomised substances
    • 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—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
    • A61L2/20—Gaseous substances, e.g. vapours
    • A61L2/208—Hydrogen peroxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
    • B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
    • B05B17/06—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations

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  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Abstract

The method involves using an ultrasound nebulizer e.g. oscillating chip, for diffusing a sterilization agent into a sterilizable unit to be decontaminated, and an automaton for controlling a mobile unit for transporting the sterilization agent towards the unit. A sterilization agent tank is disposed for supplying the nebulizer. The sterilization agent is sterilized either in vapor in case of an opened enclosure, or in partial or complete recycling of vapor for a premise or an enclosure. A ventilation system is disposed for propelling the agent in the form of aerosol.

Description

DESCRIPTIONDESCRIPTION

1 Procédé et dispositif mobile pour diffuser des agents stérilisants (produits thermolabiles) afin de décontaminer microbiologiquement et/ou stériliser des volumes, tels que des locaux, des isolateurs, des enceintes closes et ou ouverte.  A method and mobile device for diffusing sterilizing agents (thermolabile products) for microbiologically decontaminating and / or sterilizing volumes, such as premises, insulators, enclosed enclosures and or open.

La présente invention se rapporte à un procédé mobile pour diffuser des agents stérilisants (produits thermolabiles) afin de décontaminer microbiologiquement des volumes, tels que des locaux (industrie pharmaceutique, chambre de malade), des isolateurs (bulle à acide peracétique ou au peroxyde d'hydrogène), des enceintes de type poste de sécurité microbiologique (psm), procédé dans lequel on atomise un agent de stérilisation liquide (bactéricide) selon un rapport variant en fonction de la température, du volume du local, de son taux d'hygrométrie et du volume de brassage dans ce volume, le but de cette action est d'appliquer des produits désinfectants (microbicides) sous forme de vapeur sans les chauffer et donc par conséquence de pouvoir diffuser des produits thermosensibles tel que des produits connus sous le nom d'Acide peracétique et de peroxyde d'hydrogène.  The present invention relates to a mobile process for diffusing sterilizing agents (thermolabile products) in order to microbiologically decontaminate volumes, such as premises (pharmaceutical industry, patient's room), insulators (bubble with peracetic acid or with peroxide). hydrogen), microbiological safety cabinet (psm) type enclosures, in which process a liquid sterilizing agent (bactericidal) is atomized in a ratio that varies according to the temperature, the volume of the room, its hygrometry rate and of the volume of stirring in this volume, the purpose of this action is to apply disinfectants (microbicides) in the form of steam without heating them and therefore as a consequence of being able to diffuse heat-sensitive products such as products known under the name of Peracetic acid and hydrogen peroxide.

Des procédés de type chauffant existent (Demande de Brevet WO 03/082355 Al), mais dans ce type d'appareil, la vapeur de peroxyde d'hydrogène est générée par un évaporateur chauffant, ce que nous ne voulons pas. Un produit chauffé est par conséquent dénaturé, et les vapeurs générées ont tendance à plus condenser que des vapeurs froides (nébulisateur à ultrasons).  Heating type processes exist (Patent Application WO 03/082355 A1), but in this type of apparatus, the hydrogen peroxide vapor is generated by a heating evaporator, which we do not want. A heated product is therefore denatured, and the vapors generated tend to condense more than cold vapors (ultrasonic nebulizer).

Des procédés de type buse binaire ou ultrasonique (air +liquide) sont connus et brevetés, mais ils ont l'inconvénient de générer des gouttelettes avec un spectre large, et par conséquent une sédimentation rapide de gouttelettes trop grosses au pied de l'appareil. (Demande de brevet N 18 15 538).  Methods of the binary or ultrasonic nozzle type (air + liquid) are known and patented, but they have the disadvantage of generating droplets with a broad spectrum, and consequently rapid sedimentation of too large droplets at the foot of the apparatus. (Patent Application N 18 15 538).

Des procédés de type buse ultrasonique (quartz) sont venus solutionner ces problèmes. Parallèlement la technique faisant, ces procédés étaient limité à des postes fixe, du fait de la non miniaturisation des composants et de leurs mise en place sur des chaînes de fabrication. (Demande de brevet N 81 23238).  Ultrasonic nozzle (quartz) type processes have solved these problems. In parallel with the technique, these processes were limited to fixed stations because of the non-miniaturization of components and their implementation on production lines. (Patent Application N 81 23238).

La présente invention a pour présente de reprendre les caractéristiques techniques de cette dernière invention et de les appliquer à une unité mobile pouvant être utilisée partout. A savoir: Ce résultat est atteint selon l'invention par le fait qu'au moyen d'un nébulisateur à ultrasons, on atomise l'agent de stérilisation en un aérosol et que l'on applique cet aérosol sur les surfaces à stériliser. L'aérosol est de préférence appliqué par soufflage. Par contre contrairement à ce dernier, qui utilisait un dispositif de transport du matériel à stériliser devant la buse, la présente invention a par conséquent pour objet de créer une unité mobile afin de transporter l'unité de décontamination vers le matériel à décontaminer.  The present invention has the present to resume the technical features of the latter invention and apply them to a mobile unit that can be used everywhere. Namely: This result is achieved according to the invention in that by means of an ultrasonic nebulizer, the sterilizing agent is atomized into an aerosol and that this aerosol is applied to the surfaces to be sterilized. The aerosol is preferably applied by blowing. On the other hand, unlike the latter, which used a device for transporting material to be sterilized in front of the nozzle, the object of the present invention is therefore to create a mobile unit for transporting the decontamination unit to the equipment to be decontaminated.

Pour être facilement mobile, l'invention doit contenir un nébulisateur à ultrason ou ultrasonique (pastille oscillante), ce qui est aujourd'hui possible grâce à l'utilisation de micro-composants et de pastille oscillante à haut rendement et de petite taille.  To be easily mobile, the invention must contain an ultrasonic or ultrasonic nebulizer (oscillating tablet), which is now possible through the use of micro-components and oscillating lozenge with high efficiency and small size.

Une installation qui hier occupait un volume important de l'ordre de plusieurs mètre cube, occupe aujourd'hui un volume d'une dizaine de litre.  An installation which yesterday occupied a large volume of the order of several cubic meters, occupies today a volume of ten liters.

1 Par sa mobilité, l'invention doit s'affranchir de contraintes telles que pouvoir être programmables afin de réaliser le cycle sans la présence directe d'un opérateur, aujourd'hui la technologie nous permet d'obtenir des unités pilotables au moyen d'un automate ou tout autre système équivalent de programmateur et/ou de télécommande.  1 By its mobility, the invention must overcome constraints such as being programmable to achieve the cycle without the direct presence of an operator, today technology allows us to obtain controllable units by means of a PLC or other equivalent system of programmer and / or remote control.

De disposer de système de connexions à tout dispositifs stérilisables, c'est à dire que l'on peut la connecter à une unité stérilisable de type isolateur, bulle, Poste de Sécurité Microbiologique (PSM), d'un local à l'aide de clamp ou tout autre système de connexion.  To have a system of connections to any sterilizable device, that is to say that it can be connected to a sterilizable unit of the isolator type, bubble, Microbiological Safety Station (PSM), a room with the help of clamp or any other connection system.

De disposer de plusieurs modes et temps de stérilisation.  To have several modes and sterilization time.

De pouvoir stériliser soit en vapeur fluente dans le cas d'enceinte ouverte, soit en recyclage partiel et/ou total suivant le local ou l'enceinte.  To be able to sterilize either fluent vapor in the case of open enclosure, or partial and / or total recycling depending on the room or the enclosure.

De pouvoir fonctionner dans le local à stériliser, c'est à dire dans le gaz stérilisant qu'elle génère lorsque l'on a besoin de stériliser un bloc opératoire, un local pharmaceutique, une salle blanche.  To be able to operate in the room to be sterilized, that is to say in the sterilizing gas that it generates when one needs to sterilize an operating room, a pharmaceutical room, a clean room.

De disposer de façon autonome d'un bidon d'agent de stérilisation afin de pouvoir 20 alimenter le nébulisateur à ultrasons et d'une cuve de rejet.  To autonomously dispose of a can of sterilizing agent in order to be able to supply the ultrasonic nebulizer and a reject tank.

De disposer de son propre système de ventilation afin de propulser l'aérosol hors des tubulures de l'unité.  Have your own ventilation system to propel the aerosol out of the tubing of the unit.

De pouvoir être déplacé facilement grâce à des roulettes ou roues fixes, par une ou des poignées ou tout autres système de transport. 35 40  It can be moved easily with fixed wheels or wheels, with one or more handles or any other transport system. 35 40

Claims (4)

REVENDICATIONS 1 1 -Procédé pour diffuser des agent stérilisants afin de décontaminer microbiologiquement et/ou stériliser des volumes, tels que des locaux, des isolateurs, des enceintes closes, utilisant un nébulisateur à ultrasons (pastille oscillante), caractérisé par le fait que cette unité soit mobile.  1 1 -Procedure for diffusing sterilizing agents for microbiologically decontaminating and / or sterilizing volumes, such as rooms, insulators, closed enclosures, using an ultrasonic nebulizer (oscillating tablet), characterized in that this unit is mobile. 2 - Procédé mobile, selon la revendication 1, caractérisée en ce qu'elle utilise un nébulisateur à ultrasons (pastille oscillante).  2 - mobile process according to claim 1, characterized in that it uses an ultrasonic nebulizer (oscillating pellet). 3 - Procédé mobile, selon l'une des revendications 1 et 2, caractérisée en ce qu'elle est 10 pilotable par un automate.  3 - mobile process according to one of claims 1 and 2, characterized in that it is 10 controllable by an automaton. 4 - Procédé mobile, selon l'une des revendications 1 à 3, caractérisée en ce que l'on peut la connecter à une unité stérilisable de type isolateur, bulle, Poste de sécurité microbiologique, à un local.  4 - mobile process, according to one of claims 1 to 3, characterized in that it can be connected to a sterilizable unit of insulator type, bubble, microbiological safety station, at a local. - Procédé mobile, selon l'une des revendications 1 à 5, caractérisée en ce que l'on peut la connecter à une unité stérilisable pour stériliser soit en vapeur fluente dans le cas d'enceinte ouverte, soit en recyclage partiel et/ou total suivant le local ou l'enceinte.  - Mobile process according to one of claims 1 to 5, characterized in that it can be connected to a sterilizable unit to sterilize either fluent steam in the case of open enclosure, or partial and / or total recycling following the local or the enclosure. 6 - Procédé mobile, selon l'une des revendications 1 à 5, caractérisée en ce qu'elle peut fonctionner dans le local à stériliser.  6 - mobile process according to one of claims 1 to 5, characterized in that it can operate in the room to be sterilized. 7 - Procédé mobile, selon l'une des revendications 1 à 6, caractérisée en ce qu'elle dispose de son propre système de ventilation afin de propulser l'aérosol hors des tubulures de l'unité.  7 - Mobile process, according to one of claims 1 to 6, characterized in that it has its own ventilation system to propel the aerosol out of the tubing of the unit. 8 - Procédé mobile, selon l'une des revendications 1 à 7, caractérisée en ce que l'unité dispose de façon autonome d'un bidon d'agent stérilisant.  8 - mobile process, according to one of claims 1 to 7, characterized in that the unit independently has a sterilizing agent container. 9 - Procédé mobile, selon l'une des revendications 1 à 8, caractérisée en ce que l'unité peut être déplacé facilement grâce à des roulettes ou roues fixes, par une ou des poignées ou tout autres système de transport.  9 - Mobile process, according to one of claims 1 to 8, characterized in that the unit can be moved easily with fixed wheels or wheels, by one or handles or any other transport system.
FR0508943A 2005-09-01 2005-09-01 Sterilization agent e.g. thermo labile product, diffusing method for e.g. microbiological safety station, involves using nebulizer to diffuse agent into sterilizable unit and automaton to control mobile unit to transport agent towards unit Pending FR2889960A1 (en)

Priority Applications (1)

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FR0508943A FR2889960A1 (en) 2005-09-01 2005-09-01 Sterilization agent e.g. thermo labile product, diffusing method for e.g. microbiological safety station, involves using nebulizer to diffuse agent into sterilizable unit and automaton to control mobile unit to transport agent towards unit

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FR0508943A FR2889960A1 (en) 2005-09-01 2005-09-01 Sterilization agent e.g. thermo labile product, diffusing method for e.g. microbiological safety station, involves using nebulizer to diffuse agent into sterilizable unit and automaton to control mobile unit to transport agent towards unit

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10517977B2 (en) 2014-07-18 2019-12-31 Nitta Corporation Ultrasonic decontamination device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3414268A1 (en) * 1984-04-14 1985-10-24 Kolbus Gmbh & Co Kg Method and device for the sterilisation of foodstuff containers
WO2003001119A1 (en) * 2001-06-22 2003-01-03 Jeong-Hoi Koo A binding structure of a purifier accomplishing a plant purification
US20030206834A1 (en) * 2000-11-16 2003-11-06 Chiao Dahshiarn Replaceable scent and multimedia storage medium for use with a playback apparatus having electrostatic scents release
DE10347896A1 (en) * 2003-10-15 2005-05-19 Ingo Loch Technical unit e.g. for sterilization of furniture used to store clothes, performs sterilization of spatially separate pieces of furniture using ultrasonic waves with sterilization performed automatically by separate control

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3414268A1 (en) * 1984-04-14 1985-10-24 Kolbus Gmbh & Co Kg Method and device for the sterilisation of foodstuff containers
US20030206834A1 (en) * 2000-11-16 2003-11-06 Chiao Dahshiarn Replaceable scent and multimedia storage medium for use with a playback apparatus having electrostatic scents release
WO2003001119A1 (en) * 2001-06-22 2003-01-03 Jeong-Hoi Koo A binding structure of a purifier accomplishing a plant purification
DE10347896A1 (en) * 2003-10-15 2005-05-19 Ingo Loch Technical unit e.g. for sterilization of furniture used to store clothes, performs sterilization of spatially separate pieces of furniture using ultrasonic waves with sterilization performed automatically by separate control

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10517977B2 (en) 2014-07-18 2019-12-31 Nitta Corporation Ultrasonic decontamination device

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