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
  • A61L2/03—Electric current
• • A—HUMAN NECESSITIES
  • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
  • A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
  • A23B2/00—Preservation of foods or foodstuffs, in general
  • A23B2/50—Preservation of foods or foodstuffs, in general by irradiation without heating
• • A—HUMAN NECESSITIES
  • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
  • A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
  • A23B2/00—Preservation of foods or foodstuffs, in general
  • A23B2/50—Preservation of foods or foodstuffs, in general by irradiation without heating
  • A23B2/505—Preservation of foods or foodstuffs, in general by irradiation without heating with corona irradiation
• • A—HUMAN NECESSITIES
  • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
  • A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
  • A23B2/00—Preservation of foods or foodstuffs, in general
  • A23B2/50—Preservation of foods or foodstuffs, in general by irradiation without heating
  • A23B2/53—Preservation of foods or foodstuffs, in general by irradiation without heating with ultraviolet light
• • A—HUMAN NECESSITIES
  • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
  • A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
  • A23B2/00—Preservation of foods or foodstuffs, in general
  • A23B2/60—Preservation of foods or foodstuffs, in general by treatment with electric currents without heating effect
• • A—HUMAN NECESSITIES
  • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
  • A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
  • A23B2/00—Preservation of foods or foodstuffs, in general
  • A23B2/70—Preservation of foods or foodstuffs, in general by treatment with chemicals
  • A23B2/704—Preservation of foods or foodstuffs, in general by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor
• • 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
• • 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
  • A61L2/022—Filtration
• • 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
  • A61L2/08—Radiation
  • A61L2/10—Ultraviolet radiation
• • 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
  • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
  • A61L2/24—Apparatus using programmed or automatic operation
• • 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
  • A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. 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
  • A61L9/00—Disinfection, sterilisation or deodorisation of air
  • A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
• • 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
  • 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
  • A61L9/22—Ionisation
• • A—HUMAN NECESSITIES
  • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
  • A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
  • A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs

Definitions

• This invention relates to devices that eliminate harmful airborne bacteria, viruses, and other disease vectors, as well as toxic substances, including pesticides, toxins and poisons, and more particularly to a device that may be use to remove pathogens and toxic substances from the air, the food and water supply, and from solid surfaces, including utensils, tools, walls, carpet, toys, furniture, and other household articles.
• U.S. Patent No. 5,927,304 discloses a food article washer that includes a container for holding food articles, such as fruits and vegetables, and an ultrasonic generator to loosen dirt and debris from the surface of the food, and to provide agitation to the cleaning liquid to help remove insecticides and other possibly toxic substances thereon.
• the food article washer also includes an ultraviolet light generator to kill pathogens inhabiting the food surface, including disease-causing bacteria, viruses, spores and protozoa.
• the invention provides a germicidal device that can be used on food, liquid, solid surfaces and/or air, without using a radioactive process.
• the device and the process do not harm or change the physical and chemical structure of the object.
• the invention provides an apparatus for removing airborne pathogens and toxic substances from a surface of an article or a volume of air, comprising: a main processing chamber having a door for ingress to and egress from the main processing chamber, at least two high voltage electrodes for generating a current.
• The, electrode can form ozone, if desired, to destroy pathogens.
• the electrodes can be in a sealed or unsealed glass tube, with or without mercury, to generate ultraviolet light for photochemical reaction with pathogens or other contaminants.
• the apparatus also includes a post processing chamber comprising at least one filter for removing or absorbing airborne particulates and pathogens, and includes low voltage electrodes to neutralize charges in air transmitted from the main processing chamber.
• the system further includes a shutter between the main processing chamber and the post processing chamber for preventing ultraviolet light from entering the post processing chamber from the main processing chamber, and a fan for moving fluid from the main processing chamber to the post processing chamber.
• the invention further provides a process for removing airborne pathogens and toxic substances from a surface of an article or a volume of air.
• the process comprises introducing the article or volume of air into a main processing zone having a pair of high voltage electrodes, and an optional ozone source and an optional ultraviolet light source.
• the article or volume of air is exposed to the electric voltage from the high voltage electrodes, and optionally to ozone and ultraviolet light in the main processing zone for a period of time sufficient to kill pathogens, including bacteria, viruses, and spores, and to neutralize toxic substances or poisons on the article or in the volume of air.
• After that air is removed from the main processing zone to a post processing zone, and filtered to remove any pathogens or toxic substances remaining therein.
• the air is exposed to low voltage electrodes (less than about 100 volts) to neutralize ions in the air. Following that, the air is expelled from the post processing zone.
• FIG. 1 is a schematic view of the infection and toxic elimination system of the present invention
• FIG. 2 is a schematic view of a second embodiment of the infection and toxin elimination system of the present invention.
• FIG. 3 is a block diagram of electronic control circuitry for the infection and toxin elimination system of the present invention.
• FIG. 1 illustrates a preferred embodiment of the infection and toxin elimination system of the present invention, generally designated by the reference numeral 8.
• the system includes a main processing chamber 10, a post-processing chamber 20 and control electronics 30.
• the main processing chamber 10 has two or more high voltage electrodes 11, which activate and ionize air, water, or other agents, and which generate reactants.
• the high voltage electrodes generate an electric and magnetic field sufficient to kill pathogens.
• the electrodes can also be used to generate ozone or generate UV light in the 200-400nm range if placed in an enclosed glass 12.
• the glass 12 may be a sealed or unsealed tube, which may have a gas mixture including mercury vapor.
• An electromagnetic wave generator and/or microwave generator may also be included in the main process chamber 10.
• the main processing chamber 10 includes a door 13, which enables the placement of subjects such as food, drink (including milk), utensils and tools inside the chamber.
• a wire shelf or basket 17 sits inside the chamber to hold the subject articles, and to maximize reactive penetration of agents and UV radiation.
• a fan may help circulate air within the main processing chamber 10, and it may include an optional particulate filter.
• a shutter 14 screens out UV radiation for certain processes, or screens out reactive air for other process components.
• Shutter 15 may be open or closed either manually or automatically for different articles and cleaning processes.
• Shutter 16 separates the main process chamber 10 and the post process chamber 20 during operation. The shutters open or close during the process to isolate activated agents, photons and/or other process components, as desired. Filters are placed between the main process chamber and post process chamber to retain particles of pathogens in the process chamber prior to and during the process of extracting harmful substances.
• the device has automatic safety switches for doors and shutters.
• the post processing chamber. 20 includes one or more fine grain passive filters 21 with or without electrostatic properties, to filter out large, unwanted particles or to retain large bacteria or spores in the chamber 20 during the operation of the process. Chamber 20 may also include metal filters to neutralize residual gas.
• the post process chamber 20 also includes low voltage electrodes 22, 23 in wire grids, perforated sheets or multiple sheets, preferably emitting voltage of less than about 100 volts. The activated, charged air in the post processing chamber 20 picks up electrons from electrodes 22 or releases electrons to the electrodes 22, and returns to a neutral state.
• the post-processing chamber 20 also has neutralization filters such as carbon filters or filters impregnated or fabricated with an absorbent material that further turns the residual gas into fresh air.
• the system 8 has one or more fans 41 to draw the air or gas from the process chamber 10 through post process chamber 20 and then outside the system.
• the system 8 also optionally has a fan 42 at the inlet of main process chamber 10, to enable the system 8 to be used as an air cleaner to purity the surrounding air.
• additional fans may be provided to improve circulation within the systems.
• the inlet fan 42 is also optionally equipped with a suction hose 51 that makes the device act as a vacuum cleaner that can clean the surface of rugs, carpet, furniture, machines, larger household articles, protective clothing of workers exposed to pathogens and toxic substances, and difficult to reach places.
• the process alters ambient air and water properties to react with bacteria, viruses and poisonous or toxic substances.
• the process chamber of the device is comprised of plural high voltage electrodes in the range of 5kv - 100kv.
• the discharge of high voltage electrodes alternate air and water and form energized, reactive species in reactive atomic, ionized or molecular form.
• One or more high voltage electrodes may be enclosed in glass with a filler gas, including mercury, to form an ultraviolet light source at approximately 200nm-300nm wavelength, as one of the sources for photochemical processes.
• Additional water and/or other liquids such as alcohol, hydroxyl, methanol, peroxide, salt, detergent, starch, soy, olive oil, chlorine and process enhancing chemicals, and enzyme containing solutions may also be injected through spray, vaporization or discharge to enhance process efficiency.
• the interior of the chamber is preferably made of or contains metals, such as Fe, Mo, V, Zn, or I in solid, ionic, or complex molecular form.
• trie system 8 can act as a decontamination chamber, or be attached to a decontamination tent or chamber to remove airborne pathogens, toxic substances, and the like from persons exposed thereto.
• the protective garment on the subject person undergoing decontamination acts as a shield against ionized air and particles, ozone, UV exposure, and the other possibly hazardous substances used as decontaminants in the system 8.
• the system 8 can also operate as an in situ cleaning device that delivers the reactive air to the interior of other machines or chambers to do the required cleaning.
• the arrangement in FIG. 2 can also be used to clean the bacteria or pathogens on a human or animal body as a medical device to promote healing of skin lesions, herpes or HIV, etc., however the disease was contracted.
• the control electronics 30 described in FIG. 3 include a microprocessor 31 or dial electronics 32 to control all elements of the device 33 to function as the prescribed process, which may be stored in microprocessors and memory devices.
• the system 8 contains sensors 61, 62, 63 located within the processing chamber, post processing chamber and outside of the system.
• the sensors 61, 62, 63 are connected to the control electronics 30, recording device 64, at least one computer 65, microprocessors 66, and other monitoring 67 devices.
• the control electronics 30 may include microprocessor controls, with manual or pre-programmed functions (with or without feedback control) to activate parts of particular the devices for process variation, time and sequence.
• the device contains plural sensors 61, 62, 63 for detecting and measuring harmful substances, including but not limited to pathogens such as bacteria, viruses, protozoa, yeast, mold, spores, pesticides, smoke and poisonous gases.
• the sensors 61, 62, 63 may be located inside or outside of the chamber and may be recorded attended or unattended by a computer or microprocessor.
• the system 8 also preferably contains sensors for process conditions such as temperature, humidity, chemistry or gas species.
• the sensors are capable of interacting with device components activating the process manually or automatically through control electronics.
• the sensors are capable of activating pre-programmed processes according to the detection.
• the sensors are also capable of in situ feedback control of process parameters, such as activation of different components, process duration, process parameters and control electronics.
• a contaminated article A is placed in processing chamber 20 of the system 8, and the system 8 is switched on.
• the electrodes 11 in the main processing chamber 10 generates electric and magnetic fields, ultraviolet radiation, and ozone gas, any of which can kill bacteria, viruses, spores, and other airborne pathogens, by disrupting the cell walls or protein coats.
• ionized air, ozone or ultraviolet energy react with chemical contaminants either on the surface of the article or in the surrounding air inside the main processing chamber 10, to oxidize or reduce the substance into a harmless or less harmful state.
• the article A is left in the main processing chamber 10 for a period of time sufficient to kill all pathogens and to neutralize, degrade or decompose other toxic substances, compounds, gases and the like.
• the post-processing chamber 20 includes one or more fine grain passive filters 21 , activated charcoal, or electrostatic filters to remove pathogens from the air therein.
• the air when moved from the main processing chamber to the post-processing chamber gets neutralized, and then returned to the environment.
• the decontamination system of the present invention presents several advantages over existing purification systems.
• the system can eliminate germs, pesticides, toxins, mold on food, utensils, tools, floors, carpets, toys, people, and clothing, as well as household, office or personal items, without using gamma ray, electron beam, or x-ray processes, which are harmful to humans and unsuitable for household use.

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• Health & Medical Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Veterinary Medicine (AREA)
• Engineering & Computer Science (AREA)
• Public Health (AREA)
• General Health & Medical Sciences (AREA)
• Animal Behavior & Ethology (AREA)
• Epidemiology (AREA)
• Chemical & Material Sciences (AREA)
• Wood Science & Technology (AREA)
• Polymers & Plastics (AREA)
• Food Science & Technology (AREA)
• Zoology (AREA)
• Chemical Kinetics & Catalysis (AREA)
• General Chemical & Material Sciences (AREA)
• Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
• Apparatus For Disinfection Or Sterilisation (AREA)

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• 2003
  • 2003-02-14 WO PCT/US2003/004514 patent/WO2003078571A2/en not_active Ceased
  • 2003-02-14 EP EP03744597A patent/EP1483064A4/de not_active Withdrawn

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