WO2021219273A1 - Dispositif de désinfection - Google Patents

Dispositif de désinfection Download PDF

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Publication number
WO2021219273A1
WO2021219273A1 PCT/EP2021/053862 EP2021053862W WO2021219273A1 WO 2021219273 A1 WO2021219273 A1 WO 2021219273A1 EP 2021053862 W EP2021053862 W EP 2021053862W WO 2021219273 A1 WO2021219273 A1 WO 2021219273A1
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WO
WIPO (PCT)
Prior art keywords
module
base module
housing
plasma
disinfection
Prior art date
Application number
PCT/EP2021/053862
Other languages
German (de)
English (en)
Inventor
Steffen Kahdemann
Original Assignee
Steffen Kahdemann
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 DE102020111800.7A external-priority patent/DE102020111800A1/de
Application filed by Steffen Kahdemann filed Critical Steffen Kahdemann
Priority to DE112021002578.3T priority Critical patent/DE112021002578A5/de
Publication of WO2021219273A1 publication Critical patent/WO2021219273A1/fr

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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—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • 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—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/0005—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor for pharmaceuticals, biologicals or living parts
    • A61L2/0082—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor for pharmaceuticals, biologicals or living parts using chemical substances
    • A61L2/0094—Gaseous 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
    • A61L2/202—Ozone
    • 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
    • A61L2202/13—Biocide decomposition means, e.g. catalysts, sorbents
    • 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
    • A61L2202/14—Means for controlling sterilisation processes, data processing, presentation and storage means, e.g. sensors, controllers, programs
    • 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
    • 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
    • A61L2202/16—Mobile applications, e.g. portable devices, trailers, devices mounted on vehicles
    • 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
    • A61L2202/20—Targets to be treated
    • A61L2202/21—Pharmaceuticals, e.g. medicaments, artificial body parts
    • 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
    • A61L2202/20—Targets to be treated
    • A61L2202/24—Medical instruments, e.g. endoscopes, catheters, sharps
    • 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
    • A61L2202/20—Targets to be treated
    • A61L2202/26—Textiles, e.g. towels, beds, cloths

Definitions

  • the invention relates to a device for disinfection for the production of low-germ or germ-reduced goods by means of cold atmospheric plasmas with exchangeable protective atmosphere modules.
  • Pandemic virus infections occur more frequently and at ever shorter intervals in our society, see Spanish flu 1918, SARS-CoV 2002/2003, bird flu 2004, swine flu 2009/2010, SARS-CoV-2 / Covid 19 2019/2020.
  • Antibiotic resistance is just as common in bacterial infections.
  • plasma is an ionized gas, which is often referred to as the fourth state of matter of matter.
  • Plasmas occur as natural phenomena, see lightning in nature or are technically generated by the application of electrical fields. In the process, highly excited particles and radicals are generated, which in turn can trigger chemical reactions at low temperatures.
  • Plasma treatment leads to lethal damage to the components of pathogen cells such as their cell walls, membranes or DNA.
  • the lethal damage is the result of oxidation of cell components, the accumulation of charged particles on the cell surface, the drop in the pH value with the loss of pH regulation as well as the collapse of the membrane potential and the production of energy.
  • plasma has been used successfully for years for surface sterilization and decontamination of heat-sensitive materials and medical products. Both low-pressure and atmospheric cold plasma are used with the use of various gases such as oxygen or argon.
  • the plasma systems used are almost exclusively used in the industrial environment for the preparation of sterile goods and hardly at all in the clinical environment, such as clinics and practices. Most of the larger industrial plants and devices are not suitable for use in a clinic or doctor's office due to their design and specification as well as their usability.
  • Face masks are designed to reduce and prevent the transmission of pathogens through secretion droplets. Face masks consist of one or more layers of paper or fleece as well as an integrated flexible metal bracket and are usually fixed behind the ears or on the back of the head with a tape or rubber band. A distinction is made between simple paper or cloth masks and particle-filtering respiratory protection masks (FFP masks), which also protect against the inhalation of microparticles.
  • FFP masks particle-filtering respiratory protection masks
  • face masks as medical products of risk class I, are disposable and must be disposed of after a single use. In exceptional cases, a face mask can be reused after decontamination.
  • the object of the present invention is to provide a more flexible and locally usable device for decontamination and disinfection compared to the prior art, of face masks. This object is achieved by the features of the independent claims.
  • the reprocessing by decontamination of used face masks and other contaminated goods can be carried out by a quick, user-friendly and practical process using atmospheric cold plasma. All other disinfection and sterilization processes are either destructive or impractical for other reasons and therefore unsuitable.
  • the present invention relates to the use of a mobile and smart plasma disinfection device for the fast, safe and validated decontamination and disinfection of medical and non-medical face masks and respiratory masks or other contaminated goods in the clinical environment of clinics and practices as well as in the industrial or domestic environment, without that their function is impaired or damaged.
  • the core technology of the disinfection device consists of a basic module with an integrated plasma generator and an exchangeable protective atmosphere module in which atmospheric cold plasma (ozone, active oxygen 03,) is generated and the used face masks or other contaminated goods contained therein are disinfected and removed from possible germs (bacteria, viruses) freed.
  • atmospheric cold plasma ozone, active oxygen 03,
  • a base module comprising a first housing with at least one first plasma generator for generating a plasma, a first connection detection unit which has mechanical and / or electrical interfaces that are suitable with mechanical and / or electrical interfaces of a second Connection detection unit of a mounting module to form a disinfection device to be coupled.
  • the disinfection device consists of a base module and a mounting module.
  • the base module which has the plasma generator, can thus be configured separately from the mounting module will.
  • basic modules with plasma generators of different power are conceivable, depending on the intended application.
  • a base module can also be connected to various mounting modules in which the sample to be disinfected is received.
  • the first and second connection detection units must be coordinated with one another. For example, it is necessary that electrical contacts of the base module, which are to be connected to electrical contacts of the mounting module, are arranged at positions so that when the base module is connected to the mounting module, the electrical contacts of the respective modules can establish an electrical connection.
  • the base module and the mounting module are connected to one another by means of a bayonet lock or a screw thread lock.
  • the mechanical interface can have a form-fitting, counter-rotating and resilient sliding mechanism. The mechanical connection between the base module and the mounting module is advantageously reversible.
  • the base module can have several plasma generators and several connection detection units, so that a connection unit is provided for each plasma generator, with which a mounting module can be connected to the base module. This means that several samples can be disinfected or contaminated in parallel.
  • the first connection detection unit has a gas line, one end of the gas line being connected to the plasma generator and another end of the gas line being connectable to the mounting module, so that plasma generated by the plasma generator passes through the gas line from the plasma generator can flow to the mounting module.
  • the generated plasma is channeled through the gas line and can flow into the mounting module without loss.
  • the base module has at least one valve for controlling the flow of the plasma and / or a gas.
  • the base module has one or two or three or more such valves.
  • the at least one valve can be electrically controllable. All features disclosed in connection with the at least one valve are also disclosed for all further valves.
  • the gas line has a valve which, in particular, can assume two states, a first state in which the valve is closed and thereby the gas line is closed, a second state in which the valve is open and gas can flow out of the gas line, the valve when the base module and the mounting module are spatially separated from one another is preferably in the first state, and wherein the second state can be achieved by a mechanical and / or electrical connection of the base module to the mounting module. For example, if the base module and the mounting module are spatially separated, the valve cannot be transferred to the second state.
  • the base module has a fan with which ambient air can be sucked in from outside the first housing and plasma generated from the ambient air by the plasma generator can be conducted through the gas line into the mounting module.
  • the fan can be a blower and / or a compressor. Alternatively or additionally, the fan can be set up to suck plasma from the mounting module back into the base module and / or to blow gas out of the base module into the environment.
  • the ambient air contains oxygen, which is converted into active oxygen or ozone by the plasma generator.
  • the ozone can be used for disinfection or decontamination.
  • the ambient air can advantageously be used to generate plasma for disinfection or decontamination, which air can be sucked into the first housing by means of the fan, for example through a ventilation grille arranged on the first housing, and fed to the plasma generator.
  • the fan can also have the function of feeding the generated plasma through the gas line to the holding module, in which samples are arranged for disinfection.
  • the fan can also have the function of blowing gas out of the base module after disinfection, for example again through the ventilation grille.
  • Another advantage is that the path of the gas, from which the plasma is generated, to the location at which the plasma is used for disinfection, that is to say the mounting module, is very short. Because the ambient air is immediately available in the vicinity of the base module, and the further distance is determined by the size of the base module and the mounting module certainly. For effective disinfection, fans with a fan output that allow a flow rate of 1-3 m 3 / min can be used.
  • the base module has one or more valves, for example two valves, for controlling the gas sucked into the base module and / or blown out of the base module.
  • the base module has at least one electronic control system.
  • the control system can include a processor and / or a driver circuit.
  • the control system is set up in particular to control the plasma generator.
  • the control system can be set up to control the at least one valve and / or the fan.
  • the first connection detection unit has at least one first magnetic contact, which can be electrically connected to a second magnetic contact of the mounting module, so that it can be determined on the basis of the electrical connection of the first and second magnetic contacts whether the base module with the mounting module connected is. This can be used to determine whether the disinfection device is ready for use.
  • An electronic unit in which the necessary signal processing and evaluation is carried out can advantageously be provided in the base module.
  • the electronic unit can be part of the control system.
  • a display device can signal to a user whether the base module and the mounting module are connected to one another.
  • the base module has a switch-off device which is suitable for automatically switching off the plasma generator and which has two states, a first state in which the switch-off device is inactive and the plasma generator can be activated, a second state in which the switch-off device is active is, and the plasma generator cannot be activated, wherein the second state can be achieved by separating an electrical connection between the first magnetic contact and the second magnetic contact (18), and wherein by establishing an electrical connection between the first magnetic contact and the second magnetic contact (15, 18) the first state can be achieved.
  • This ensures that the plasma generator can only be activated when an electrical connection has been established between the first and second magnetic contact, in other words when the base module and the mounting module are electrically connected to one another.
  • the plasma generator generates plasma accordingly when the plasma is connected to the connected second housing of the mounting module as a collecting container. An uncontrolled generation of plasma that flows into the environment is avoided.
  • the control system can have or form the shutdown device.
  • the base module is integrated into a closure which is suitable for closing a second housing of the holding module.
  • the closure can be designed as a cover.
  • the closure can have magnetic contacts which can interact with magnetic contacts of the second housing, so that the closure is additionally secured by the magnetic force. Furthermore, it can be determined via the magnetic contact whether the closure is connected to the second housing.
  • a disconnection device can be connected to the magnetic contact, which ensures that the plasma generator can only be active when the closure is in contact with the second housing.
  • an electrical interface is provided on the opposite side of the lock, to which a power source can be connected. This has the advantage that the disinfection device can be transported more easily as a compact unit, without a power supply unit with an associated cable or a battery station.
  • the base module has a transmitter and receiver unit which can receive and / or send data and measured values. This can be done via a cable connection or a common radio connection such as Bluetooth, WLAN or a cellular network such as LTE.
  • the base module advantageously has evaluation electronics with which received data and measured values can be evaluated and passed on to a signal unit.
  • the control system can have the evaluation electronics and / or the signal unit.
  • the control system is set up to control the plasma generator and / or the fan and / or the at least one valve as a function of the received data / measured values.
  • the base module has a catalyst and / or a filter for breaking down the generated plasma, for example a plasma generated in the exchangeable protective atmosphere module or returned from the protective atmosphere module.
  • the base module can in particular have a filter system for breaking down the generated plasma.
  • the filter system can have one or more filters and / or one or more catalysts and / or one or more heating elements.
  • the filter system or components thereof, such as, for example, a filter and / or a catalyst and / or a heating element, can be integrated into the gas line or provided as part of the gas line.
  • the filter system can in particular have one or more of the following components: HEPA filter, heating element, exhaust air filter, catalyst.
  • a filter of the filter system for example the exhaust air filter, can have one or more filter layers.
  • the filter is a multilayer filter.
  • the filter layers can be selected from: mixed oxide catalyst layer, palladium catalyst layer,
  • Potassium permanganate filter layer activated carbon filter layer.
  • the mixed oxide catalyst layer has, for example, a mixture of manganese oxide and copper oxide (hopcalite).
  • the potassium permanganate filter layer can have potassium permanganate on a carrier material, for example on aluminum oxide, in particular Al 2 O 3.
  • the activated carbon filter layer comprises, for example, activated carbon granules (F-type).
  • the filter is arranged, for example, in such a way that gas from the protective atmosphere module is first passed through a palladium and / or mixed oxide catalyst layer, then through a potassium permanganate filter layer and then through an activated carbon filter layer.
  • a filter for example the exhaust air filter, can have a cylindrical shape and / or be encased in a plastic layer, for example made of PVC or PP.
  • the filter system preferably enables a particularly rapid breakdown of the ozone.
  • the filter system or one or more components of the filter system can be arranged between the fan and the ventilation grille and / or between a valve and the ventilation grille.
  • the base module has one or more measuring units for measuring the ozone concentration and / or the oxygen concentration and / or to measure the humidity. This is advantageous in order to check whether the concentration of ozone is sufficient for disinfection and to avoid excessively high, harmful ozone concentrations at the same time.
  • the measured values are sent, for example, to the evaluation electronics in the base module and processed there.
  • the control of the plasma generator and / or the fan and / or the at least one valve, for example by the control system, can in particular take place as a function of these measured values.
  • a mounting module also called a protective atmosphere module, having a second housing with a receiving device for receiving an object to be disinfected, a second connection detection unit which has mechanical and / or electrical interfaces that are suitable with mechanical and / or electrical interfaces of a first connection detection unit of a base module to form a disinfection device to be coupled.
  • the receiving device has a grid-like structure.
  • a grid-like structure is advantageous compared to a container with a continuous surface, since fewer contact points are formed between the sample and the grid-like structure, which counteract decontamination.
  • the grid-like structure can have a sieve insert.
  • the second housing has a closing means with which the second housing can be closed in a gas-tight manner, the closing means being removable, in particular when the base module and the mounting module are connected to one another.
  • the use of the closure means is advantageous if the second housing or the mounting module is to be transported and it is to be avoided that contaminants get into the second housing during transport.
  • the locking means is removed, for example, before the mounting module is connected to the base module.
  • the second housing has one or more measuring units for measuring the ozone concentration and / or the oxygen concentration. This is advantageous, on the one hand, whether there is a sufficient concentration for disinfection. If the concentration is too low, conclusions can be drawn about a leak in the gas line or a defect in the plasma generator. On the other hand, can too high an ozone concentration has an impact on human health.
  • One or more measuring units are advantageously electrically coupled to the base module so that the measured values can be transmitted to the evaluation electronics in the base module. This can be done via a cable connection or a radio signal.
  • a moisture sensor can advantageously be provided which enables a measurement to be made as to whether the prevailing environment enables adequate disinfection. Excessive humidity can counteract ozone decontamination.
  • the second housing has a filter system, for example with a catalyst, for breaking down the plasma.
  • the catalyst can for example be arranged on the closure.
  • the filter system can also have a filter and / or a heating element.
  • the second housing has a ventilation system with a plasma supply line which is coupled to the gas line of the base module and which has a smaller cross section than the gas line. This is intended to enable a faster flow of the plasma into the second housing.
  • the plasma supply line can advantageously be designed as a cavity in the housing wall of the second housing.
  • a device for disinfection having a base module according to one of the previous configurations, a mounting module according to one of the previous configurations.
  • the device for disinfection is advantageously assembled using exchangeable and configurable modules. This enables increased flexibility.
  • a device for disinfection is also referred to here as a disinfection device.
  • the base module, the mounting module and the device for disinfection have a size and weight so that they can be easily transported by a single person.
  • the size of the base module is preferably in the range of 200 mm - 300 mm in diameter with a height of 70 mm - 150 mm.
  • the weight of the base module is preferably in the range from 1,000 g to 4,500 g.
  • the size of the mounting module is preferably in the range of 150 mm - 300 mm in diameter with a height of 70 mm - 90 mm.
  • the weight of the mounting module is preferably in the range from 200 g to 500 g.
  • a device for disinfection comprising a housing,
  • the device for disinfection is housed in a housing.
  • the mechanical and electrical connections that were provided between the base module and the mounting module are not required in this integrated device.
  • the device can have a filter system and / or at least one valve and / or a control device, in particular as described in connection with the base module.
  • a filter system and / or at least one valve and / or a control device, in particular as described in connection with the base module.
  • all features disclosed in connection with the base module and / or the mounting module are also disclosed for the device for disinfection and vice versa.
  • a disinfection set having a device for disinfection and an electrical evaluation unit arranged separately from the device with software with which the device can be operated, configured and / or maintained is proposed. It is advantageous if the disinfection device is spatially separated from the operator. For example, this can shorten the time in which a user handles contaminated samples. The user can place the sample in the receiving device and then, for example, operate the device in another room. The device can also be configured without having direct contact with the device. Maintenance could also be carried out inexpensively by a service provider who would not have to be on-site specifically for maintenance.
  • a disinfection set having a device for disinfection and a computer program product for operating, configuring and / or maintaining the device for disinfection is proposed.
  • the software is designed as an app.
  • the invention relates to a filter for a disinfection device.
  • the filter can be constructed like the filter described in connection with the base module.
  • the filter can have a plurality of filter layers.
  • the filter has a plurality of filter layers, a first filter layer having activated carbon, a second filter layer having potassium permanganate and a third filter layer having a mixed oxide and / or palladium.
  • the mobile disinfection device can be used as a tabletop device (standing device) or optionally as a wall device (for wall mounting).
  • the modular disinfection device is particularly suitable for decontamination using cold atmospheric plasmas (active oxygen 03, ozone) and for producing a sterile, low-germ or germ-reduced state of:
  • Baby items such as pacifiers, breast pumps, baby bottles, which require a low-germ state
  • Figure 1 is a schematic representation of the protective atmosphere module.
  • Figure 2 is a schematic representation of a first embodiment of a base module.
  • FIG. 3 shows a schematic representation of a second exemplary embodiment of a protective atmosphere module.
  • FIG. 4 shows a schematic representation of a second exemplary embodiment of a basic module.
  • FIG. 5 shows a schematic representation of a disinfection device according to a first exemplary embodiment.
  • FIG. 6 shows a schematic representation of a disinfection device according to a second exemplary embodiment
  • Figure 7 shows an embodiment of a filter
  • FIG. 8 an exemplary embodiment of a disinfection device.
  • FIG. 1 shows a schematic representation of a protective atmosphere module 30.
  • the protective atmosphere module 30 has a protective atmosphere housing 11 which is made of plastic, for example.
  • the protective atmosphere housing 11 has, for example, a cylindrical body with a circular base and which can be closed in a gas-tight manner.
  • the protective atmosphere housing 11 can also have a different shape, for example a cuboid with a rectangular base area or a cube with a square base area.
  • the protective atmosphere housing 11 is preferably designed to be shell-shaped and flat.
  • the protective atmosphere housing 11 can consist of a plastic, preferably of polypropylene.
  • the protective atmosphere housing 11 has two opposite sides (or surfaces), one side having a protective atmosphere interface unit 14, which can have mechanical and / or electrical connections that can be connected to mechanical and / or electrical counterparts that are attached to a base module 40 (see Figure 2) are arranged.
  • the protective atmosphere interface unit 14 can have two to six or even more interfaces. The multiple interfaces are, so to speak, the respective counterparts at which the two modules can be joined together in different variants.
  • Mechanical joining components such as a bayonet lock or valve lock are also contained directly in the interfaces.
  • components could be contained directly in the interfaces, as described e.g. fan or generator or E contacts.
  • the E contacts are for conducting energy from one component to another, or in the form of an included sensor they can also serve as opening protection against accidental opening while the plasma generator is active.
  • electrical contacts 15 are arranged on this side, which can come into electrical contact with electrical contacts 7 of the base module 40. By means of the connection of the electrical contacts 7, 15 it can be determined whether the protective atmosphere module 30 is connected to the base module 40.
  • the protective atmosphere module can be closed by a gas-tight barrier 17 to ensure that the goods are transported and stored in a protective atmosphere.
  • the other side has a closure 12 of the protective atmosphere housing 11.
  • the closure 12 is mechanically connected to the protective atmosphere housing 11 and held by magnetic contacts 18. The magnetic contacts can also be used to determine whether the closure is connected to the protective atmosphere housing 11 or not.
  • the closure 12 has a catalytic converter 20 and / or an exchangeable filter 20 through which the plasma can be broken down before it escapes into the room.
  • the closure 12 is suitable for closing the protective atmosphere housing 11 in a gas-tight manner.
  • the filter 20 can be constructed like the filter shown in FIG.
  • the filter 20 and / or catalyst 20 can be part of a filter system of the protective atmosphere module, which can have further components, such as further catalysts and / or filters and / or heating elements.
  • a grid insert 13 is arranged in the protective atmosphere housing 11.
  • a sample e.g. a breathing mask or another object for decontamination or disinfection by means of a plasma
  • a grid insert 13 is advantageous over a container with a continuous surface, since fewer contact points are formed between the sample and the grid insert 13, which counteract decontamination.
  • a shell (not shown here) can be provided in which the grid insert 13 is placed.
  • the cross section of the grid insert 13 has a circular cross section. However, it is also possible for the grid insert 13 to have a different cross section, such as oval or rectangular.
  • the protective atmosphere housing 11 also has one or more recesses 21 in which dirt or decontamination material can be collected. This dirt or decontamination material is created during decontamination.
  • the protective atmosphere housing 11 also has a ventilation system 16 through which gas, for example ozone or another plasma, can flow into the protective atmosphere housing 11 in order to disinfect samples for disinfection.
  • gas for example ozone or another plasma
  • the protective atmosphere housing 11 also has an indicator 19 for ozone measurement, for wear measurement and for displaying a successful or completed disinfection.
  • FIG. 2 is a schematic illustration of a first exemplary embodiment of a base module 40.
  • the base module 40 has a base module housing 1.
  • the base module housing 1 has a base area whose diameter is greater than its height.
  • the base module housing 1 has recessed grips on the side with which the base module 40 or an entire disinfection device 50 (see Figure 3) can be carried.
  • the basic module housing 1 is made from a metallic material, preferably from painted aluminum or from stainless steel. This enables appropriate heat dissipation. However, it is also possible for the basic module housing to be made from a plastic, preferably from polypropylene or polycarbonate.
  • a plasma generator 4 is arranged in the base module housing 1.
  • the basic module housing 1 has two ventilation grilles 3 which are arranged on opposite sides of the basic module housing 1 and through which ambient air reaches the interior of the basic module housing 1.
  • the plasma generator 4 is suitable for generating active oxygen or ozone from the ambient air.
  • the plasma generator 4 is connected to a fan 5 which conveys the plasma generated by the plasma generator 4 through an opening in the base module housing 1 into the protective atmosphere housing 11. Furthermore, the fan 5 acts to the effect that the ozone is distributed homogeneously or evenly in the protective atmosphere housing 11 so that the sample to be disinfected is disinfected / decontaminated equally at all points.
  • the plasma generator 4 also generates an air flow.
  • the base module housing 1 also has base interface unit 6, which can be designed as mechanical and / or electrical connections that can be connected to mechanical and / or electrical counterparts that are arranged on a protective atmosphere module 40.
  • the base interface unit 6 is arranged on the side facing the protective atmosphere module 40.
  • the base interface unit 6 can have two to six or even more interfaces.
  • the plasma generator 4 can be arranged between the fan 5 and the base interface unit 6. However, it is also possible for the fan 5 to be integrated in the base interface unit 6.
  • the base module housing 1 also has an energy source, for example an accumulator 8, which supplies the plasma generator 4, the fan 5 and the electrical contacts 7, 15 with energy in the assembled state.
  • an energy source for example an accumulator 8 which supplies the plasma generator 4, the fan 5 and the electrical contacts 7, 15 with energy in the assembled state.
  • a connection for a mains plug can be provided so that the disinfection device 50 can also be supplied with energy via the mains.
  • the disinfection device 50 is preferably operated with a rechargeable battery 8, which is exchangeable, since this enables the desired mobility and flexibility with regard to the place of use of the disinfection device 50.
  • the base module housing 1 has a battery level indicator (not shown), which shows the amount of energy still available from the battery door 8.
  • the base module 40 also has a charging interface for charging the accumulator 8, for example a USB Interface.
  • the base module 40 has an actuation means with which the base module 40 can be switched on and off.
  • the actuating means can be a button or a switch.
  • the base module 40 has an activation button for the plasma generator 4, as well as a lighting means, for example an LED, by means of which it is indicated whether the plasma generator is activated or not. For example, “red” can be used to indicate activation and “blue” to indicate deactivation.
  • the base module 40 has an integrated, switchable sound module 9 as an acoustic signal generator, by means of which, for example, the beginning and / or the end of a decontamination is indicated.
  • the base module 40 also has a mechanical interface via which the protective atmosphere module 30 can be connected.
  • the mechanical interface is mounted on the basic module housing 1 and can, for example, have a bayonet lock or a screw thread lock. In a further embodiment, the mechanical interface can have a form-fitting, counter-rotating and resilient sliding mechanism. A combination of the compounds mentioned is also conceivable.
  • the base module 40 also has electronic components 10, for example evaluation electronics, with which received data and measured values can be evaluated and passed on to a signal unit.
  • the electronic components 10 can be part of a control system for controlling the plasma generator 4 and / or the fan 5.
  • the base module has a transmitter and receiver unit which can receive and / or send data and measured values. This can be done via a cable connection or a common radio connection such as Bluetooth, WLAN or a cellular network such as LTE.
  • a catalytic converter 20 and / or an exchangeable filter 20 through which the plasma can be broken down is also provided in the base module 40.
  • the plasma from the protective atmosphere module 30 is passed back into the base module 40 and then broken down by the catalytic converter 20 or filter 20.
  • the filter 20 can be formed like the filter of FIG.
  • the base module 40 can have a filter system with one or more catalysts and / or filters and / or heating elements in order to break down the plasma.
  • FIG. 3 shows a schematic representation of a second exemplary embodiment of a protective atmosphere module 32.
  • the plasma generator 4 and the fan 5 are integrated in the closure 12.
  • the ambient air that is sucked in by the fan is converted into plasma by the plasma generator 4 and arrives at the plasma generator 4 directly into the protective atmosphere housing 11, in which the samples are disinfected.
  • the fan 5 generates an air flow which conveys the plasma or ozone into the protective atmosphere housing 11.
  • the fan 5 acts to the effect that the ozone is distributed homogeneously or evenly in the protective atmosphere housing 11 so that the sample to be disinfected is disinfected / decontaminated equally at all points.
  • the plasma generator 4 also generates an air flow.
  • the protective atmosphere interface unit 14 has a connection for an external power supply. Furthermore, the protective atmosphere housing 11 is closed in a gas-tight manner by a gas-tight barrier 17. Protective atmosphere E contacts 15 are also arranged on the protective atmosphere housing 11, via which it can be determined whether the protective atmosphere module 32 is connected to an energy source.
  • FIG. 4 shows a schematic representation of a second exemplary embodiment of a base module 42.
  • the base module 42 comprises three plasma generators 4, which are arranged next to one another in the base module housing 1.
  • a fan 5 and interfaces 6 are assigned to each plasma generator 4.
  • Protective atmosphere modules 30 can be electrically and mechanically connected to the base module 42 via the interfaces 6 of the base module 42.
  • the plasma generators 4 can be controlled in parallel or individually.
  • the base module 42 can also be designed for more than three plasma generators 4. These can be arranged next to one another or in a different arrangement, for example along a circular line.
  • the base module 42 has a catalytic converter 20 and / or filter 20 for breaking down the plasma.
  • FIG. 5 shows a schematic representation of a disinfection device 50 according to a first exemplary embodiment.
  • the disinfection device 50 has a base module 40 according to FIG. 2 and a protective atmosphere module 30 according to FIG. 1.
  • the base module 40 and the protective atmosphere module 30 are electrically and mechanically connected to one another via the interfaces 14 of the protective atmosphere module 30 and the interfaces 6 of the base module 40.
  • Via a gas line (not shown) which leads from the plasma generator 4 in the base module 40 to a ventilation system 16 in the protective atmosphere module 30, the generated plasma can be conveyed by means of the fan 5 into the housing 1 of the protective atmosphere module 30 for disinfection.
  • the base module 40 and the protective atmosphere module 30 are mechanically reversible, for example by means of a bayonet lock, connected to one another in a form-fitting manner.
  • a sample to be disinfected or decontaminated is placed in the grid insert 13 of the protective atmosphere module 30.
  • the protective atmosphere housing 11 is then closed by means of the closure 12.
  • the fan 5 and the plasma generator 4 are put into operation, so that the generated plasma escapes into the protective atmosphere housing 11 and the sample to be disinfected penetrates and disinfects in a short time of approx. 1-5 minutes.
  • the closure 12 is opened and the disinfected sample can be taken.
  • the ozone or oxygen concentration in the protective atmosphere housing 11 can be determined via a sensor or a measuring apparatus located in the base module 40 or in the protective atmosphere module 30.
  • a control and regulation unit which is designed as an electronic component, can be provided either in the mounting module 30 or in the base module 40, which has the function described, so that the plasma generator 4 is automatically switched off as soon as the predetermined value of the ozone or oxygen concentration is reached was achieved.
  • FIG. 6 shows a schematic representation of a disinfection device 52 according to a second exemplary embodiment.
  • the components of the disinfection device 52 are arranged within the protective atmosphere housing 11.
  • the plasma generator 4 and the fan 5 are integrated in the closure 12.
  • the ambient air that is sucked in by the fan 5 is converted into plasma by the plasma generator 4 and passes from the plasma generator 4 directly into the protective atmosphere housing 11, in which the samples are disinfected.
  • the protective atmosphere interface unit 14 has a connection for an external power supply.
  • the protective atmosphere housing 11 is closed in a gas-tight manner by a gas-tight barrier 17.
  • Protective atmosphere E-contacts 15 are also arranged on the protective atmosphere housing 11, via which it can be determined whether the protective atmosphere module 32 is connected to an energy source.
  • the disinfection device 52 has an energy source, for example an accumulator 8, which supplies the plasma generator 4, the fan 5 and the electrical contacts 7, 15 with energy in the assembled state.
  • a connection for a mains plug can be provided so that the disinfection device 52 can also be supplied with energy via the mains.
  • the disinfection device 52 is preferred with a Accumulator 8 operated, which is exchangeable, since this enables the desired mobility and flexibility with regard to the location of the disinfection device 52.
  • the disinfection device 52 has an integrated, switchable sound module 9 as an acoustic signal generator, by means of which, for example, the beginning and / or the end of a decontamination is indicated.
  • the disinfection device 52 also has electronic components 10, for example evaluation electronics, with which received data and measured values can be evaluated and passed on to a signal unit.
  • electronic components 10 for example evaluation electronics, with which received data and measured values can be evaluated and passed on to a signal unit.
  • the disinfection device 52 has a transmitter and receiver unit which can receive and / or send data and measured values. This can be done via a cable connection or a common radio connection such as Bluetooth, WLAN or a cellular network such as LTE.
  • the device according to the invention is preferably suitable for use in medical facilities.
  • FIG. 7 shows an exemplary embodiment of a filter 20, in particular a filter of a filter system.
  • the filter 20 comprises at two opposite ends at which gas and / or plasma can be introduced or discharged (see arrows) in each case a layer of stuffing material 20a, for example made of cellulose.
  • a layer of stuffing material 20a for example made of cellulose.
  • a first layer 20b of activated carbon granulate In between there is a first layer 20b of activated carbon granulate, a second layer 20c of potassium permanganate on aluminum oxide and a third layer 20d formed by a palladium catalyst or by a hopcalite catalyst.
  • FIG. 8 shows a pipeline and instrument flow diagram of the disinfection device, for example the disinfection device assembled from the base module 30 and the protective atmosphere module 40 of FIGS. 1 and 2.
  • the base module 30 comprises two filters 20 / catalytic converters 20, three valves 22a, 22b, 22c, a fan 5, a plasma generator 4, at least one measuring unit 23 and an electronic control system 10.
  • the solid connecting lines between the individual elements represent in particular gas lines.
  • the disinfection device is set up, for example, to carry out the following process:
  • the first valve 22a and the third valve 22c are closed.
  • the first valve 22a is fluidic with a filter 20, for example a HEPA filter 20.
  • the third valve 22c is fluidically connected to an exhaust gas filter 20, for example that of FIG.
  • the second valve 22b is opened in order to allow an air flow in the disinfection device, in particular between the base module 40 and the protective atmosphere module 30.
  • the fan 5 and the plasma generator 4 are activated. An air flow is actively forced through the gas lines via the fan 5 and takes up ozone in the plasma generator 4.
  • the fan 5 distributes the ozone homogeneously in the protective atmosphere housing 11 during the disinfection.
  • the air circulation system ensures that the concentration of ozone increases rapidly and steadily, with a concentration in the range of 20 to 5000 ppm being achieved, for example.
  • the first and the third valve 22a, 22c are opened. This allows the gas in the disinfection device to escape via the filter 20.
  • the second valve 20b is closed, for example, in order to accelerate the inactivation of the ozone via the filter 20 in order to ensure a harmless concentration in the protective atmosphere housing 11.
  • the at least one measuring unit 23 which in particular comprises a sensor, for example physical parameters such as the oxygen concentration and / or the ozone concentration and / or the air humidity are monitored.
  • the plasma generator 4 and / or the fan 5 and / or the valves 22a, 22b, 22c are controlled, for example, via the electronic control system 10, for example as a function of the measured values of the at least one measuring unit 23.

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  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (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

L'invention concerne un dispositif de désinfection (50), comprenant un module principal (40, 42) et un module support (30, 32).
PCT/EP2021/053862 2020-04-30 2021-02-17 Dispositif de désinfection WO2021219273A1 (fr)

Priority Applications (1)

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DE112021002578.3T DE112021002578A5 (de) 2020-04-30 2021-02-17 Vorrichtung zur Desinfektion

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DE102020111800.7A DE102020111800A1 (de) 2020-04-30 2020-04-30 Vorrichtung zur desinfektion
DE102020111800.7 2020-04-30
EPPCT/EP2021/053214 2021-02-10
EP2021053214 2021-02-10

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050196315A1 (en) * 2004-01-22 2005-09-08 Plasmasol Corporation Modular sterilization system
KR20100127439A (ko) * 2009-05-26 2010-12-06 주식회사 한경희생활과학 휴대용 살균기 거치대 및 휴대용 살균기 조립체
CN103394247B (zh) * 2013-07-24 2016-01-06 东莞市宇洁新材料有限公司 一种控制室内aqi数值的复合空气净化过滤器及其性能测试方法
EP3505194A2 (fr) * 2017-12-26 2019-07-03 Ethicon, Inc. Procédé et appareil de nettoyage, de désinfection, de stérilisation ou leurs combinaisons

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050196315A1 (en) * 2004-01-22 2005-09-08 Plasmasol Corporation Modular sterilization system
KR20100127439A (ko) * 2009-05-26 2010-12-06 주식회사 한경희생활과학 휴대용 살균기 거치대 및 휴대용 살균기 조립체
CN103394247B (zh) * 2013-07-24 2016-01-06 东莞市宇洁新材料有限公司 一种控制室内aqi数值的复合空气净化过滤器及其性能测试方法
EP3505194A2 (fr) * 2017-12-26 2019-07-03 Ethicon, Inc. Procédé et appareil de nettoyage, de désinfection, de stérilisation ou leurs combinaisons

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
EHLBECK, J. ET AL.: "Low temperature atmospheric pressure plasma sources for microbial decontamination", JOURNAL OF PHYSICS D-APPLIED PHYSICS, vol. 44, 2011, XP020185584, DOI: 10.1088/0022-3727/44/1/013002
MOREAU MORANGE NFEUILLOLEY MGJ: "Nonthermal plasma technologies: new tools for bio-decontamination", BIOTECHNOL ADV, vol. 26, 2008, pages 610 - 617

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