[go: up one dir, main page]

WO2019088735A1 - Dispositif de stérilisation par le peroxyde d'hydrogène pour la stérilisation d'un bloc opératoire dans un hôpital - Google Patents

Dispositif de stérilisation par le peroxyde d'hydrogène pour la stérilisation d'un bloc opératoire dans un hôpital Download PDF

Info

Publication number
WO2019088735A1
WO2019088735A1 PCT/KR2018/013185 KR2018013185W WO2019088735A1 WO 2019088735 A1 WO2019088735 A1 WO 2019088735A1 KR 2018013185 W KR2018013185 W KR 2018013185W WO 2019088735 A1 WO2019088735 A1 WO 2019088735A1
Authority
WO
WIPO (PCT)
Prior art keywords
hydrogen peroxide
sterilization device
compressed air
sterilization
line
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2018/013185
Other languages
English (en)
Inventor
Chan Won Bae
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020170144484A external-priority patent/KR101948441B1/ko
Priority claimed from KR1020170167324A external-priority patent/KR101955123B1/ko
Application filed by Individual filed Critical Individual
Publication of WO2019088735A1 publication Critical patent/WO2019088735A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/14—Disinfection, sterilisation or deodorisation of air using sprayed or atomised substances including air-liquid contact processes
    • 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
    • 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
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/10—Apparatus features
    • A61L2209/11—Apparatus for controlling air treatment
    • A61L2209/111—Sensor means, e.g. motion, brightness, scent, contaminant sensors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/10—Apparatus features
    • A61L2209/14—Filtering means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/10—Apparatus features
    • A61L2209/16—Connections to a HVAC unit
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/20—Method-related aspects
    • A61L2209/21—Use of chemical compounds for treating air or the like
    • A61L2209/211—Use of hydrogen peroxide, liquid and vaporous

Definitions

  • the inventive concept relates to a sterilization device for sterilization of internal air of a hospital operating room and equipment which is installed in the hospital operating room where an operation is performed for a patient, especially, relates to a hydrogen peroxide sterilization device capable of moving to a plurality of hospital operating rooms and spraying hydrogen peroxide into atomic phase to sterilize safely the internal air of the hospital operating room and equipment installed in the hospital operating room, and thereby effectively sterilize microbes, bacteria, molds, and so on in the hospital operating room.
  • Sterilization means aseptic state in which every species of microbes (bacillus, virus, fungi, etc.) including spores is completely removed, and disinfection is to remove infection and proliferation by destroying or weakening vital energy of microbes.
  • the operation is a medical practice to keep patient's health and life.
  • the sterilization of internal air of the hospital operating room and devices or apparatuses for operation as well as doctor's ability are very important if the operation is successful.
  • An infection accident may be occurred if sanitation environment of the hospital operating room where an operation is performed for a patient is not preserved sufficiently.
  • the hospital operating theater should preserve sterilized state in which disease-causing germs or other microbes are absolutely not exist, and it should not be allowed that a microbe approaches to a special region such as an operating region.
  • An operative infection occurred in a hospital is an infection that occurs by attacking a patient's body with disease-causing germs during operation. If instruments is used without sufficient sterilization, fatal infectious bacteria infects incised tissue, muscle, muscle membrane or cells to cause serious problems such as inflammation.
  • the operative infection is most common case accounted for 65.5% from total hospital infection.
  • Conventional medical sterilization systems for sterilizing surgical instruments are classified into six types by method, such as pressure steam, dry sterilization, UV, plasma, EO GAS, ClO 2 .
  • the pressure steam method is superior in infiltration and useful to cotton products, but there are demerits that it causes rust or erosion of metal (carbon steel) and should be performed additional dry process after sterilization.
  • the dry sterilization is cheap and applicable to glass, dry compound, powder product, and so on, however the dry sterilization has weakness that a metal product can be metamorphosed by long sterilization time and high temperature.
  • the plasma method is stable without generating rust or erosion, however, has weakness inappropriate to a large package or a cotton product because of weak infiltration.
  • the EO GAS method is useful to a rubber product and appropriate to a large hospital, however, has weakness of handling embarrassment because sterilization time is very long, ventilation needs for a day after the sterilization and toxic or carcinogenic material is included.
  • the ClO 2 gas gasified from stable ClO 2 aqueous solution is safe without simulative smell, and is in contact with a target to show various effect such as high disinfection, deodorization and decontamination.
  • Korean patent application No. 10-2016-0110163 has been disclosed as a conventional art.
  • the conventional art relates to a medical sterilizer for converting chlorine dioxide to gas to sterilize comprising: a chlorine dioxide gas generator, on which a sulfuric acid cartridge in which a sulfuric acid undiluted solution is stored and which can be replaced, a sodium chlorite cartridge in which a sodium chlorite undiluted solution is stored, and a gasification accelerator cartridge in which an evaporation accelerator undiluted solution is stored, are individually mounted, for mixing the sulfuric acid undiluted solution, the sodium chlorite undiluted solution, and the evaporation accelerator undiluted solution by receiving the undiluted solutions from the each cartridge, and configured of a gas reactor for generating chlorine dioxide gas due to the bubbling action of two solutions with air injection; an air injector for injecting air to the chlorine dioxide gas generator; a preliminary chamber in which the chlorine dioxide gas supplied from the chlorine dioxide gas generator is stored; a main chamber for receiving the chlorine dioxide gas through the preliminary chamber and in which a sterile object is accommodated; a vacuum pump for forming an inside of the main chamber to be a vacuum state; and an air
  • the inventive concept is objected to provide a hydrogen peroxide sterilization device capable of operating with low cost and implementing sanitation management for a hospital operating room without dedicated person, easily.
  • the inventive concept is further objected to provide a hydrogen peroxide sterilization device which rapidly diffuses and permeates into air and micro space of equipment installed in the hospital operating room, and then sterilizes at relatively high sterilizing power.
  • the inventive concept is further objected to provide a hydrogen peroxide sterilization device which is simple structure and easy to move such that everybody can move to hospital operating rooms and sterilize the hospital operating rooms.
  • the inventive concept is further objected to provide a hydrogen peroxide sterilization device with relative high efficiency which can sterilize large space with little hydrogen peroxide solution.
  • the inventive concept is further objected to provide a hydrogen peroxide sterilization device which is not affected by temperature and humidity in the hospital operating room that is a sterilization target.
  • the inventive concept is further objected to provide a safe hydrogen peroxide sterilization device using low concentration of hydrogen peroxide solution.
  • the inventive concept is further objected to provide a hydrogen peroxide sterilization device which rapidly decomposes into water and oxygen the hydrogen peroxide in air of the hospital operating room where the hydrogen peroxide sterilization was implemented.
  • Another object of the present invention may be understood through feature of the present invention and clarified by the embodiments of the present invention and embodied by means and combination described in claims.
  • the present invention has technical features as follows.
  • a hydrogen peroxide sterilization device for sterilization of a hospital operating room includes a main body equipped a caster at the bottom, and including a first housing which forms a first interior space providing an installation space and a second housing which forms a closed second interior space having an inlet and a drain hole to form appearance; a compressed air supplier installed in the first interior space to exhaust compressed air using electrical energy; a hydrogen peroxide storage installed in the first interior space to store hydrogen peroxide solution; a supply pump installed in the first interior space to supply the hydrogen peroxide solution stored in the hydrogen peroxide storage; a pre-filter installed in the second interior space in connection with the inlet to gather floating matter in air inhaled by inspiration power; an active carbon filter installed in the second interior space at downstream of the pre-filter and formed of active carbon filter plate having active carbon component which causes hydrogen peroxide decomposition reaction to remove hydrogen peroxide containing in air after removing the floating matter; an inhalation fan installed in the second interior space in connection with the outlet and installed at downstream of the active carbon
  • the hydrogen peroxide sterilization device for sterilization of a hospital operating room further includes an operation status alarm lamp for monitoring operation state by human eyes.
  • the hydrogen peroxide sterilization device for sterilization of a hospital operating room includes a coupling part which is coupled to be exposed on an outer wall forming the first interior space of the first housing, is connected to the compressed air supplier by a compressed air supply line and connected to the supply pump by a hydrogen peroxide supply line to output compress air and hydrogen peroxide solution, and the spray head is detachable to the coupling part.
  • the active carbon filter of the hydrogen peroxide sterilization device for sterilization of a hospital operating room includes an active carbon filter tray to obliquely install a plurality of active carbon filter plates; and a plurality of active carbon filter plates disposed on the active carbon filter tray.
  • the hydrogen peroxide sanitation device for sterilization of a hospital operating room further includes an emergency switch which is installed to be exposed on the upper end of the outer wall and stops entire operation by pushing action.
  • the operation control unit of the hydrogen peroxide sterilization device for sterilization of a hospital operating room further includes a plurality of switches and a touch panel for selecting function and operation which is installed at the first housing.
  • the operation control unit of the hydrogen peroxide sterilization device for sterilization of a hospital operating room is formed of selection keys for selecting operation and function, and further includes a remote controller which outputs wireless signals according to the selection keys; and a receiver which receives the wireless signals from the remote controller.
  • the operation control unit of the hydrogen peroxide sterilization device for sterilization of a hospital operating room further includes a communication module for wireless data communication.
  • the hydrogen peroxide solution of the hydrogen peroxide sterilization device for sterilization of a hospital operating room is a low concentration hydrogen peroxide solution of 7% or less.
  • the spray nozzle of the hydrogen peroxide sterilization system for sterilization of the sanitation facility includes a hydrogen peroxide nozzle which sprays hydrogen peroxide solution and a compressed air nozzle which includes the hydrogen peroxide spray nozzle therein to spray the hydrogen peroxide solution with compressed air.
  • the first housing of the main body of the hydrogen peroxide sterilization device for sterilization of the hospital operating room is formed with a monitoring window which is formed of glass or acrylic material or formed by perforating a portion of a sidewall of the first housing in order to expose a portion of a sidewall of the hydrogen peroxide storage installed in the first interior space.
  • the active carbon filter plate of the hydrogen peroxide sterilization device for sterilization of the hospital operating room includes a filter frame which is plate shape and having a plurality carbon rooms being open up and down, a plurality of carbon balls which is put into the carbon rooms and a mesh which is formed on a top surface and a bottom surface of the filter frame to flow air and confine the carbon balls in the carbon rooms.
  • the hydrogen peroxide sterilization device for sterilization of a hospital operating room further includes a supply cable including a coupling part which is coupled on an outer wall forming the first interior space of the first housing to be exposed, connected to the compressed air supplier by a compressed air supply line, and connected to the supply pump by a hydrogen peroxide supply line to output compress air and hydrogen peroxide solution, a cable outer shell which has an inner space; a hydrogen peroxide line which is disposed in the cable outer shell, and receives hydrogen peroxide solution from the hydrogen peroxide sterilization device and transfers the hydrogen peroxide solution; a compressed air line which is disposed in the cable outer shell in parallel with the hydrogen peroxide line, and receives compressed air from the hydrogen peroxide sterilization device and transfers the compressed air;
  • an input coupling part exposing ends of the hydrogen peroxide line and the compressed air line and coupling with the coupling part; and an output coupling part exposing ends of the hydrogen peroxide line and the compressed air line and coupling with the spray head.
  • the input coupling part of the supply cable of the hydrogen peroxide sterilization device for sterilization of a hospital operating room further includes a check valve which couples with each ends of the hydrogen peroxide line and the compressed air line, and opened while coupling with the coupling part of the hydrogen peroxide sterilization device.
  • the output coupling part of the supply cable of the hydrogen peroxide sterilization device for sterilization of a hospital operating room further includes a check valve which couples with each ends of the hydrogen peroxide line and the compressed air line, and opened while coupling with the spray head.
  • the coupling part of the hydrogen peroxide sterilization device for sterilization of a hospital operating room includes a connector which is connected to the operation control unit by a signal line, and the supply cable includes a signal line which is connected to the connector, and the spray head has the concentration sensing unit and is connected to the signal line of the supply cable.
  • the spray head of the hydrogen peroxide solution of the hydrogen peroxide sterilization device for sterilization of a hospital operating room has the status sensing unit and connects to the signal line of the supply cable.
  • the inventive concept accomplishes effective that the hydrogen peroxide sterilization device for sterilization of a hospital operating room can be managed with relatively low cost and a sanitation management for the hospital operating theater can be easily implemented without dedicated person, and thereby prevents an infection accident of patients during operation progress.
  • the hydrogen peroxide sterilization for sterilization of a hospital operating room has an effect which rapidly diffuses and permeates into air and micro space of equipment installed in a hospital operating room, and then sterilizes at relatively high sterilizing power.
  • the hydrogen peroxide sterilization for sterilization of a hospital operating room has simple structure and is easy to move such that everybody can sterilize hospital operating rooms by moving from one room to another.
  • the hydrogen peroxide sterilization for sterilization of a hospital operating room has an effect of relative high efficiency which can sterilize large space with little hydrogen peroxide solution.
  • the hydrogen peroxide sterilization for sterilization of a hospital operating room has an effect which can sterilize without being affected by temperature and humidity in a hospital operating room which is an object of sterilization.
  • the hydrogen peroxide sterilization for sterilization of a hospital operating room has an effect capable of managing safely by using hydrogen peroxide solution of low concentration.
  • the hydrogen peroxide sterilization for sterilization of a hospital operating room has an effect capable of decomposing hydrogen peroxide contained in internal air of a hospital operating room where the hydrogen peroxide sterilization was implemented into water and oxygen.
  • FIG. 1 is a drawing illustrating a hydrogen peroxide sterilization device for sterilization of a hospital operating room according to the inventive concept
  • FIG. 2 is a drawing illustrating elements of a hydrogen peroxide sterilization device for sterilization of a hospital operating room according to the inventive concept
  • FIG. 3 is a drawing illustrating a main body of a hydrogen peroxide sterilization device for sterilization of a hospital operating room according to the inventive concept
  • FIG. 4 is a drawing illustrating a monitoring window of a hydrogen peroxide sterilization device for sterilization of a hospital operating room according to the inventive concept
  • FIG. 5 is a drawing illustrating a pre-filter of a hydrogen peroxide sterilization device for sterilization of a hospital operating room according to the inventive concept
  • FIG. 6 is a drawing illustrating an active carbon filter of a hydrogen peroxide sterilization device for sterilization of a hospital operating room according to the inventive concept
  • FIG. 7 is a drawing illustrating an installation embodiment of an active carbon filter of a hydrogen peroxide sterilization device for sterilization of a hospital operating room according to the inventive concept
  • FIG. 8 is a drawing illustrating a spray head of a hydrogen peroxide sterilization device for sterilization of a hospital operating room according to the inventive concept
  • FIG. 9 is a drawing illustrating a coupling part of a hydrogen peroxide sterilization device for sterilization of a hospital operating room according to the inventive concept
  • FIG. 10 is a drawing illustrating an operation control unit of a hydrogen peroxide sterilization device for sterilization of a hospital operating room according to the inventive concept
  • FIG. 11 is a drawing illustrating a case in which a supply cable is included in a hydrogen peroxide sterilization device for sterilization of a hospital operating room according to the inventive concept;
  • FIG. 12 is a drawing illustrating a case in which a connector is included in a hydrogen peroxide sterilization device for sterilization of a hospital operating room according to the inventive concept;
  • FIG. 13 is a drawing illustrating a spray head which has a status sensing unit and a concentration sensing unit, in a hydrogen peroxide sterilization device for sterilization of a hospital operating room according to the inventive concept;
  • FIG. 14 is a drawing illustrating an embodiment of a supply cable of a hydrogen peroxide sterilization device for sterilization of a hospital operating room according to the inventive concept.
  • FIG. 1 is a drawing illustrating a hydrogen peroxide sterilization device for sterilization of a hospital operating room according to the inventive concept
  • FIG. 2 is a drawing illustrating elements of a hydrogen peroxide sterilization device for sterilization of a hospital operating room according to the inventive concept
  • FIG. 3 is a drawing illustrating a main body of a hydrogen peroxide sterilization device for sterilization of a hospital operating room according to the inventive concept.
  • the hydrogen peroxide sterilization device 10 for sterilization of a hospital operating room is composed by including a main body 110, a compressed air supplier 210, a hydrogen peroxide storage 220, a supply pump 230, a pre-filter 310, an active carbon filter 320, a inhalation fan 330, a spray head 410, a status sensing unit 510, a concentration sensing unit 520, an drive control unit 610 and a power supply 710.
  • the main body 110 is a component to form a device which forms appearance and is movable, is formed of stainless metallic material or a painted metallic material, and having a caster at the bottom for moving.
  • the caster 113 is often referred to as a handcart wheel and installed to move.
  • a direction of turning wheel is free changed by direction of applied force because a fixed axis can be free rotated.
  • the caster 113 is usually formed of metallic material with a plastic wheel, however, the wheel may be formed of urethane material.
  • the main body 110 forms appearance with including a first housing 111 which forms a first interior space 111-1 to provide an installation space and a second housing 112 which is forms a second interior space 112-1.
  • the second interior space 112-1 is a closed space, and an inlet 1121 and an outlet 1122 is formed at the second interior space 112-1.
  • the first housing 111 and the second housing 112, as shown in FIG. 3, have structure capable of opening and closing.
  • a compressed air supplier 210, a hydrogen peroxide storage 220, a supply pump 230, a status sensing unit 510, a concentration sensing unit 520, a drive control unit 610 and a power supply 710 are installed at the first housing 111, and a pre-filter 310, an active carbon filter 320 and an inhalation fan 330 are installed at the second housing 112.
  • the second housing 112 is a closed space, and having an inlet 1121 through which internal air of the hospital operating room containing hydrogen peroxide particles is flow in and an outlet 1122 through which air after being removed the hydrogen peroxide particles by decomposing the hydrogen peroxide particles into water and oxygen is flow out.
  • the outlet 1122 may be formed at an upper part of the second housing 112, and the inlets 1121 may be formed at a lower side of the second housing 112.
  • the compressed air supplier 210 is a device that compresses air by using electric energy to exhaust at high pressure, and as shown in FIGS. 1 through 3, is installed at the first interior space 111-1, controlled by the drive control unit 610 and received electric energy from the power supply 710.
  • a output part through which the compressed air is exhausted and the coupling part 240 of the compressed air supplier 210 is connected to a compressed air supply line 211 through which compressed air can be passed.
  • the compressed air supply line 210 is a device which is conventionally referred to 'air compressor' and not limited to specific types of compressed air supply devices.
  • the hydrogen peroxide storage 220 is installed in the first interior space 111-1 to store hydrogen peroxide solution and connected to the supply pump 230 by a connecting hose 221.
  • the hydrogen peroxide storage 220 may be formed of transparent plastic resin in order to monitor the storage level of the hydrogen peroxide solution by user's eyes.
  • FIG. 4 which illustrates a monitoring window of the hydrogen peroxide sterilization device for sterilization of a hospital operation room
  • a portion of a sidewall of the first housing 111 may be perforated or a monitoring window 111-2 is formed in order to expose a portion of a sidewall of the hydrogen peroxide storage 220 installed at the first interior space 111-1.
  • the hydrogen peroxide solution stored in the hydrogen peroxide storage 220 and used for sterilization of the operation theater may be low concentration hydrogen peroxide solution of 7% or less.
  • the hydrogen peroxide solution of 7% or less concentration is used in order to secure safety of using hydrogen peroxide solution.
  • the supply pump 230 as shown in FIGS. 1 through 3 is installed at the first interior space 111-1 to supply the hydrogen peroxide solution in the hydrogen peroxide storage 220 at high pressure.
  • the supply pump 230 is a device which implements pumping in order to supply liquid material usually, may be various devices for transferring or supplying liquid material.
  • the supply pump 230 is driven by the drive control unit 610, receiving electric energy from the power supply 710, an inlet of the supply pump 230 is connected to the hydrogen peroxide storage 220 by a connecting hose 221 and an outlet is connected to the coupling part 240 by a hydrogen peroxide storage supply line 231.
  • the pre-filter 310 as shown in FIGS. 1, 2 and 3, is installed in the second interior space 112 -1 of the second housing 112 with being connected to the inlet 1121.
  • the pre-filter 310 installed as the above plays a part to collect floating matters such as fine dust contained in the internal air of a hospital operating room.
  • the internal air of the hospital operating room is flew in the second interior space 112-1 of the closed second housing 112 through the inlet 1121 by inhalation power caused by the inhalation fan 330,
  • the floating matter such as fine dust contained in the internal air is collected and purged with passing through the pre-filter 310, while the internal air is flowing into the second interior space 112 -1 of the closed housing 112 through the inlet 1121.
  • the pre-filter 310 may be the variety of filtration devices capable of physically collecting floating matter such as fine dust, and be a variety of filters which is composed of a felt or a resin foam such as a sponge.
  • the pre-filter 310 as shown in FIG. 5 which illustrates the pre-filter of the hydrogen peroxide sterilization device for sterilization of a hospital operating room, may be formed in 'U' shape corresponding to open area and location of inlets 1121 which are formed at three surfaces of the second housing 112.
  • the active carbon filter 320 is installed downstream of the pre-filter 310 in the second interior space 112-1 of the second housing 112, and includes an active carbon which is a device to removes hydrogen peroxide contained in the floating matter removed air of the hospital operating room and generates a reaction of decomposing the hydrogen peroxide.
  • the active carbon filter 320 may be an active carbon filter plate 321 which contains active carbon and having various structures and shapes capable of circulating air smoothly.
  • FIG. 6 which illustrates an active carbon filter plate of the hydrogen peroxide sterilization device for sterilization of a hospital operating room
  • an active carbon filter plate which is composed of a filter frame 321 in which a plurality carbon rooms 3211 being open up and down is formed, a plurality of carbon balls 322 which is put into the carbon rooms 3211 and a mesh 323 which is formed on a top surface and a bottom surface of the filter frame 321 to flow air and confine the carbon balls 322 in the carbon rooms 3211.
  • the number of the carbon rooms 3211 formed in the filter frame 321 may be designed at appropriate number in accordance with size of the carbon ball 322, and the carbon ball 322 is formed of active carbon material in sphere shape such that several number of carbon balls are in the carbon room 3211.
  • the internal air of the hospital operating theater is passing through the pre-filter 310 such that floating matter such as fine dust can be removed and passing through the carbon room 3211 to contact with the carbon balls 3211 which are filled in the carbon room 3212 such that hydrogen peroxide particles is decomposed into water and oxygen using carbon forming a carbon ball 322 as a promoter.
  • the hydrogen peroxide particles in the internal air of the hospital operating theater are decomposed into water and oxygen while passing through the active carbon filter 320 to be removed.
  • the active carbon filter 320 may be installed at the second housing 112 using an active carbon filter tray 324-1 which installs a plurality of active carbon filter plates 320 -1 in horizontal or an active carbon filter tray 324-2 which installs a plurality of active carbon filter plates 321 obliquely.
  • the active carbon filter tray 324-1 of horizontal installation has a spatial merit of installing the active carbon filter plates 320 -1 in parallel and the active carbon filter tray 324-2 of oblique installation has merit that filtering area is relatively expanded because the active carbon filter plate 320 -1 is obliquely formed.
  • the inhalation fan 330 is installed in the second interior space 112 -1 of the second housing 112 and connected to the outlet 1122 and installed downstream of the active carbon filter 320.
  • the inhalation fan 330 is controlled by the drive control unit 610, receives electric energy from the power supply 710, and then makes high inhalation power such that the internal air of the hospital operating theater is flow in through the inlet 1121, passed through the pre-filter 310 and the active carbon filter 320 and output through the outlet 1122.
  • the inhalation fan 330 of the inventive concept may be a device referred to as a ventilator which is driven by electric energy, but is not limited to particular types of ventilations.
  • the spray head 410 as shown in FIGS. 1, 2 and 5, is installed and exposed on an outside of the first housing 111, receives compressed air from the compressed air supplier 210 and receives hydrogen peroxide solution from the supply pump 230 to atomize and spray the hydrogen peroxide solution through a spray nozzle.
  • the spray head 410 atomizes the hydrogen peroxide solution by discharging the hydrogen peroxide solution with the compressed air through the spray nozzle.
  • the spray head 410 may be hydrogen peroxide solution spray devices of various types and structure which spray the hydrogen peroxide solution after atomizing, however, may include a hydrogen peroxide nozzle 411 which sprays hydrogen peroxide solution and a compressed air nozzle 412 which includes the hydrogen peroxide spray nozzle 411 to spray the hydrogen peroxide solution sprayed at high pressure from the hydrogen peroxide spray nozzle 411 with compressed air ejected at high pressure, as shown in FIG. 8 which illustrates a spray head of the hydrogen peroxide sterilization device for sterilization of a hospital operating room according to the inventive concept.
  • the spray nozzle of the spray head 410 can physically atomize the hydrogen peroxide solution easily and simply because the hydrogen peroxide solution is primary sprayed from the hydrogen peroxide spray nozzle 411 and secondary sprayed with the compressed air through the compressed air nozzle 412.
  • the hydrogen peroxide sterilization device 10 for sterilization of a hospital operating room is safe because of sterilizing at 110ppm and less, sprays hydrogen peroxide solution in the air after atomizing to diffuse further and more rapidly because of relatively small and light thereby maximizing sterilization efficiency, and cannot produce condensation or residue.
  • the spray head 410 may be installed on the main body 110 in the variety of structures and shapes as well as installed shown in FIG. 1.
  • the spray head 410 couples to be exposed on an outer wall which forms a first interior space 111 111 of the first housing 111, connected to the compressed air supplier 210 by a compressed air supply line 211 and connected to the supply pump 230 by a hydrogen peroxide supply line 231, thereby the spray head 410 may be detachable to the coupling part 240 for output each of compressed air and hydrogen peroxide solution.
  • the coupling part 240 formed on the main body 110 and the spray head 410 are detachable structure, compressed air and hydrogen peroxide solution output from the coupling part 240 input to the spray head 410.
  • the status sensing unit 510 includes a humidity sensor measuring humidity and a temperature sensor measuring temperature in order to measure a saturation degree of internal air in the operation theater.
  • the status sensing unit 510 includes the humidity sensor and the temperature sensor to transfer humidity and temperature information to the drive control unit 610, the drive control unit 610 calculates a saturation degree of internal air in the operation theater on the basis of information which is transferred from the status sensing unit 510, and adjusts spray quantity of hydrogen peroxide solution in accordance with humidity of internal air.
  • the hydrogen peroxide concentration sensing unit 520 measures concentration of hydrogen peroxide in the internal air of the operation theater and transfers concentration information of hydrogen peroxide in the internal air of the operation theater to the central control device 610.
  • the drive control unit 610 calculates concentration of hydrogen peroxide in the internal air of the operation theater on the basis of the information which is received from the hydrogen peroxide concentration sensing unit 520.
  • the drive control unit 610 is installed at the first housing 111, includes a microprocessor to calculate and output a saturation degree of the internal air of the hospital operating room after receiving a sensing signal from the status sensing unit 510, to calculate and output a concentration of the hydrogen peroxide after receiving a sensing signal from the hydrogen peroxide concentration sensing unit 520 to control the operation of the compressed air supplier 210 and the supply pump 230 in accordance with a control program.
  • the drive control unit 610 controls the entire of the hydrogen peroxide sterilization device 10 for sterilization of a hospital operating room according to the inventive concept.
  • the drive control unit 610 may be installed at the upper end part of the first housing to be exposed, and further include an emergency switch 611 which stops the entire operation by pushing.
  • the emergency switch 611 is formed with relatively large size at a relatively outstanding position such that a user can push by intuition, and thereby the hydrogen peroxide sterilization device according to the inventive concept can be controlled shut down.
  • the emergency switch 611 shuts down supply of power which is performed by the power supply 710, and thereby shuts down the entire operation of the hydrogen peroxide sterilization device 10.
  • the drive control unit 610 may be installed at the first housing 111 and includes a plurality of switches and a touch screen for selecting function and operation.
  • the drive control unit 610 may be formed of selection keys for selecting operation and function in order to control operation of the hydrogen peroxide sterilization device according to the inventive concept which is in the hospital operating room from outside of the hospital operating room, and the drive control unit 610 may include a remote controller 612 which outputs a wireless signal according to the selection key and a receiver 613 which is installed to be exposed, and thereby receives the wireless signal of the remote controller 612.
  • the drive control unit 610 may, as shown in FIG. 10, further includes a communication module 614 for wireless data communication.
  • the communication module 614 may be a Bluetooth communication module or a Wi-Fi communication module. If the communication module is included, a data communication can be implemented with a wireless communication terminal such as a smartphone.
  • the drive control unit 610 may, as shown in FIG. 10, further includes a printer module 615.
  • the printer module 615 is a device for outputting on a paper variety of data generated from the sterilization progress for the hydrogen peroxide such as a hospital operating room number/sterilization time/hydrogen peroxide usage/saturation degree/hydrogen peroxide concentration and etc.
  • the power supply 710 is a device for supplying electric energy to a component in the components described the above, which needs electric energy, and receives AC power from the external power source, as shown in FIG. 1, and converts into DC power and supplies.
  • the power supplier 710 is a conventional DC power supplier which is used to supply DC power, from conventional devices using electricity.
  • the hydrogen peroxide sterilization device 10 may further includes an operation status alarm lamp 810 for monitoring operation status by one's eye.
  • the operation status alarm lamp 810 includes several color lamps, and may drives a red lamp while hydrogen peroxide solution is spraying, a yellow lamp while hydrogen peroxide particles are removed from the internal air of the operation theater and a green lamp during safety status after completing remove and sterilization such that an operator can directly ascertain with eyes the operation status during sterilization progress.
  • the following description is an embodiment of the hydrogen peroxide sterilization device for sterilization of a hospital operating room according to the inventive concept. It will be described to include a supply cable and to form a concentration sensing unit on a spray head.
  • FIG. 11 is a drawing illustrating a case in which a supply cable is included in a hydrogen peroxide sterilization device for sterilization of a hospital operating room according to the inventive concept
  • FIG. 12 is a drawing illustrating a case in which a connector is included in a hydrogen peroxide sterilization device for sterilization of a hospital operating room according to the inventive concept
  • FIG. 13 is a drawing illustrating a spray head which has a status sensing unit and a concentration sensing unit, in a hydrogen peroxide sterilization device for sterilization of a hospital operating room according to the inventive concept.
  • the hydrogen peroxide sterilization device for sterilization of a hospital operating room includes a coupling part 240 which couples to be exposed on an outer wall forming a first interior space of the first housing 111, is connected to the compressed air supplier 210 by a compressed air supply line 211, connected to the supply pump 230 by a hydrogen peroxide supply line 231 and thereby outputs compressed air and hydrogen peroxide solution, and a supply cable 420 which couples to the coupling part 240.
  • the supply cable 420 includes a cable outer shell 423, a hydrogen peroxide line 424, a compressed line 425, an input coupling part 421 and an output coupling part 422.
  • the cable outer shell 423 forms an interior space for including the hydrogen peroxide line 424 and the compressed air line 425, and serves to protect the hydrogen peroxide line 424 and the compressed air line 425.
  • the cable outer shell 423 is formed of synthetic resin material or fiber material, and thereby formed in a flexible shape or structure capable of sustaining tubular shape.
  • the cable outer shell 423 may be formed in a shape having a core or capable of sustaining tubular shape to protect the hydrogen peroxide line 424 and the compressed air line 425 therein even if a predetermined force is applied from outside.
  • the hydrogen peroxide line 424 is a tube of flexible material in the cable outer shell 423, and serves to input the hydrogen peroxide solution from the supply pump 230 of the hydrogen peroxide sterilization device 10 and transfer to the spray head 410.
  • the hydrogen peroxide line 424 may be a tube of various flexible materials and capable of transferring a high pressure hydrogen peroxide solution, and may be not limited to a specific material transferring liquid.
  • the compressed air line 425 is disposed in parallel with the hydrogen peroxide line 424 in the cable outer shell 423, and serves to input the compressed air from the compressed air supplier 210 of the hydrogen peroxide sterilization device 10 and transfer to the spray head 410.
  • the input coupling part 421 is a device which exposes the hydrogen peroxide line 424 and the compressed air line 425 and is connected to the coupling part 240 of the hydrogen peroxide sterilization device 10, and thereby makes the hydrogen peroxide supply line 231 and the compressed air supply line 211 exposed at the coupling part 240 to be connected with the hydrogen peroxide line 424 and the compressed air line 425.
  • the output coupling part 422 is a device which exposes the ends of the hydrogen peroxide line 424 and the compressed air line 425 and is connected to the spray head 410, and thereby inputs the hydrogen peroxide solution and the compressed air, respectively.
  • the output coupling part 422 couples with the spray head 410 in order to connect the hydrogen peroxide line 424 and the compressed air line 425 with the spray head 410.
  • the input coupling part 421 and the output coupling part 422 may be various structures capable of coupling with the coupling part 240 and the spray head 410.
  • the structure may connect each other by moving a band on which screw threads are formed on a side while contacting each other.
  • the supply cable 420 includes a contact parts 4261 which are formed at the input coupling part 421 and the output coupling part 422 to be exposed as shown in FIG. 14 if a connector 241 connected with the drive control unit 610 by a signal line is formed at the coupling part 240 of the hydrogen peroxide sterilization device 10.
  • the contact part 4261 of the input coupling part 421 and the contact part 4261 of the output coupling part 422 may further include signal lines 426 which are formed of signal lines 4262 in the cable outer shell 423, respectively.
  • the signal line 426 is a device to transmit electric signal of the hydrogen peroxide concentration sensing unit 520 and the status sensing unit 510 to the drive control unit 610.
  • the supply cable 420 according to the inventive concept, as shown in FIG. 14, further includes check valves 424-1 and 425-1 which respectively couple with ends of the hydrogen peroxide line 424 and the compressed air line 425, and open only while connecting with the coupling part 240 and the spray head 410 of the hydrogen peroxide sterilization device.
  • the check valves 424-1 and 425-1 make the hydrogen peroxide line 424 and the compressed air line 425 to serve transfer devices of hydrogen peroxide solution and the compressed air only while coupling with the hydrogen peroxide sterilization device 10 and the spray head 410, and make the hydrogen peroxide line 424 and the compressed air line 425 to be closed while disconnected from the hydrogen peroxide sterilization device 10 and the spray head 410, and thereby prevent foreign material from flowing into the supply cable 420, and especially prevent leakage of hydrogen peroxide solution remained in the hydrogen peroxide line 424.
  • check valves 424-1 and 425-1 are not limited to a specific structure and type but various structures and types of check valves.

Landscapes

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

Abstract

L'invention concerne un dispositif de stérilisation par le peroxyde d'hydrogène pour la stérilisation d'un bloc opératoire dans un hôpital qui permet de stériliser l'air et les appareils se trouvant dans le bloc opératoire de l'hôpital par pulvérisation d'une solution de peroxyde d'hydrogène sous la forme d'une phase atomisée afin de détruire efficacement les microbes, les bactéries et les moisissures, et qui comporte un corps principal doté d'une roulette au niveau de sa partie inférieure pour assurer son déplacement, un dispositif d'alimentation en air comprimé, un réservoir de peroxyde d'hydrogène, une pompe d'alimentation, un pré-filtre recueillant les matières en suspension dans l'air introduit sous l'effet de la puissance d'aspiration et un filtre à charbon actif assurant la décomposition du peroxyde d'hydrogène afin de l'éliminer de l'air, le dispositif assurant ainsi efficacement la désinfection du bloc opératoire de l'hôpital pour un coût relativement bas et ayant pour effet une utilisation efficace des installations de désinfection, ainsi que d'assurer aisément la désinfection du bloc opératoire de l'hôpital sans avoir à recourir à une personne spécialisée, de même que de stériliser un grand espace à l'aide d'une quantité relativement faible de solution de peroxyde d'hydrogène et, en particulier, de décomposer rapidement en eau et en oxygène le peroxyde d'hydrogène contenu dans l'air se trouvant à l'intérieur du bloc opératoire de l'hôpital après stérilisation par le peroxyde d'hydrogène de telle sorte que le bloc opératoire de l'hôpital puisse être rapidement à nouveau disponible.
PCT/KR2018/013185 2017-11-01 2018-11-01 Dispositif de stérilisation par le peroxyde d'hydrogène pour la stérilisation d'un bloc opératoire dans un hôpital Ceased WO2019088735A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2017-0144484 2017-11-01
KR1020170144484A KR101948441B1 (ko) 2017-11-01 2017-11-01 병원 수술실의 멸균을 위한 과산화수소 멸균 장치
KR10-2017-0167324 2017-12-07
KR1020170167324A KR101955123B1 (ko) 2017-12-07 2017-12-07 과산화수소 농도센서부를 포함하는 분사헤드를 갖는 과산화수소 멸균 장치

Publications (1)

Publication Number Publication Date
WO2019088735A1 true WO2019088735A1 (fr) 2019-05-09

Family

ID=66332412

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2018/013185 Ceased WO2019088735A1 (fr) 2017-11-01 2018-11-01 Dispositif de stérilisation par le peroxyde d'hydrogène pour la stérilisation d'un bloc opératoire dans un hôpital

Country Status (1)

Country Link
WO (1) WO2019088735A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110507838A (zh) * 2019-09-18 2019-11-29 西安交通大学医学院第一附属医院 彩色多普勒超声诊断仪探头消毒器
CN110585464A (zh) * 2019-10-09 2019-12-20 无锡百泰克生物技术有限公司 一种生化实验室的消毒设备与消毒方法
TWI767846B (zh) * 2021-09-30 2022-06-11 靜宜大學 可自動滅菌消毒之多功能智能實體商店系統
CN117398491A (zh) * 2023-10-30 2024-01-16 中国人民解放军总医院第一医学中心 一种便携式智能化消毒灭菌装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080036596A (ko) * 2005-07-07 2008-04-28 스테리스 인코퍼레이티드 과산화수소 증기로 룸 오염제거
WO2012142427A1 (fr) * 2011-04-15 2012-10-18 Trapani Samuel Richard Procédé et système pour la stérilisation d'une chambre
KR101214793B1 (ko) * 2012-02-15 2012-12-24 삼우시스템 (주) 에너지 절감형 공기조화기
WO2013169328A1 (fr) * 2012-05-10 2013-11-14 American Sterilizer Company Unité de décontamination à brume froide et son procédé de fonctionnement
JP2015211773A (ja) * 2014-05-02 2015-11-26 三機工業株式会社 除染方法及び装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080036596A (ko) * 2005-07-07 2008-04-28 스테리스 인코퍼레이티드 과산화수소 증기로 룸 오염제거
WO2012142427A1 (fr) * 2011-04-15 2012-10-18 Trapani Samuel Richard Procédé et système pour la stérilisation d'une chambre
KR101214793B1 (ko) * 2012-02-15 2012-12-24 삼우시스템 (주) 에너지 절감형 공기조화기
WO2013169328A1 (fr) * 2012-05-10 2013-11-14 American Sterilizer Company Unité de décontamination à brume froide et son procédé de fonctionnement
JP2015211773A (ja) * 2014-05-02 2015-11-26 三機工業株式会社 除染方法及び装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110507838A (zh) * 2019-09-18 2019-11-29 西安交通大学医学院第一附属医院 彩色多普勒超声诊断仪探头消毒器
CN110585464A (zh) * 2019-10-09 2019-12-20 无锡百泰克生物技术有限公司 一种生化实验室的消毒设备与消毒方法
TWI767846B (zh) * 2021-09-30 2022-06-11 靜宜大學 可自動滅菌消毒之多功能智能實體商店系統
CN117398491A (zh) * 2023-10-30 2024-01-16 中国人民解放军总医院第一医学中心 一种便携式智能化消毒灭菌装置
CN117398491B (zh) * 2023-10-30 2024-04-30 中国人民解放军总医院第一医学中心 一种便携式智能化消毒灭菌装置

Similar Documents

Publication Publication Date Title
WO2019088743A1 (fr) Système de stérilisation par peroxyde d'hydrogène pour la stérilisation d'une salle propre
WO2019088735A1 (fr) Dispositif de stérilisation par le peroxyde d'hydrogène pour la stérilisation d'un bloc opératoire dans un hôpital
US12296062B2 (en) Devices, systems and methods for treating medical devices having passageways with ozone gas
CA3005981C (fr) Dispositifs, systemes et procedes de traitement de dispositifs medicaux comprenant des voies de passage d'ozone gazeux
WO2022139039A1 (fr) Système automatique de traitement d'urine
WO2018097560A1 (fr) Purificateur d'air
WO2019066113A1 (fr) Générateur d'espèces actives flexible et son utilisation
WO2022124492A1 (fr) Dispositif de purification et de stérilisation d'air, système de mise en quarantaine intelligente de pont d'embarquement le comprenant pour prévenir une infection, procédé de mise en quarantaine intelligente de pont d'embarquement pour prévenir une infection et pont d'embarquement
KR101948441B1 (ko) 병원 수술실의 멸균을 위한 과산화수소 멸균 장치
WO2016140449A1 (fr) Procédé de stérilisation et appareil le mettant en oeuvre
WO2021091305A1 (fr) Humidificateur
WO2023043033A1 (fr) Stérilisateur portable
WO2020262798A1 (fr) Appareil et procédé de production de dioxyde de chlore aqueux éliminant le risque d'explosion par alimentation et réaction de matière première à l'aide d'un procédé de décompression sans source d'énergie
WO2015012616A1 (fr) Dispositif d'amélioration de soins de peau
CN107375969A (zh) 一种耳鼻喉检查治疗台快速清洗消毒装置
WO2022085871A1 (fr) Purificateur d'air
WO2019022496A1 (fr) Hpae ayant un dispositif de commande d'épurateur de fixation de filtre de catalyseur positif de décomposition de peroxyde d'hydrogène
WO2017043672A1 (fr) Appareil d'humidification stérilisant esthétique portable comprenant une unité d'éclairage et présentant un pouvoir de stérilisation amélioré
WO2022050793A1 (fr) Appareil de stérilisation et de purification d'air intérieur
WO2019240454A1 (fr) Kit d'emballage de masque portatif et élément d'absorption utilisé dans ce dernier
WO2024117377A1 (fr) Procédé et appareil d'épuration de ventilation sûre
CN206252679U (zh) 多功能防疫消毒器
WO2018221945A1 (fr) Gobelet portable doté d'une fonction de production d'eau hydrogénée
WO2021210876A1 (fr) Dispositif de purification d'air et procédé de purification d'air utilisant l'intelligence articielle
WO2023048326A1 (fr) Appareil de pulvérisation d'eau de stérilisation bidirectionnelle doté d'une unité de pulvérisation de type buse et d'une unité de pulvérisation de brume

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18873272

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18873272

Country of ref document: EP

Kind code of ref document: A1