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WO2017105000A1 - Appareil de stérilisation par plasma du papier d'emballage sous vide - Google Patents

Appareil de stérilisation par plasma du papier d'emballage sous vide Download PDF

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Publication number
WO2017105000A1
WO2017105000A1 PCT/KR2016/013593 KR2016013593W WO2017105000A1 WO 2017105000 A1 WO2017105000 A1 WO 2017105000A1 KR 2016013593 W KR2016013593 W KR 2016013593W WO 2017105000 A1 WO2017105000 A1 WO 2017105000A1
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WO
WIPO (PCT)
Prior art keywords
vacuum
valve
wrapping paper
vacuum pump
film
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/KR2016/013593
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English (en)
Korean (ko)
Inventor
임유봉
국민성
한우용
이종현
류솔
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.)
Plasmapp Co Ltd
Original Assignee
Plasmapp Co Ltd
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Filing date
Publication date
Application filed by Plasmapp Co Ltd filed Critical Plasmapp Co Ltd
Publication of WO2017105000A1 publication Critical patent/WO2017105000A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—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
    • A61L2/14—Plasma, i.e. ionised gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38—Packaging materials of special type or form
    • B65D65/40—Applications of laminates for particular packaging purposes

Definitions

  • the present invention relates to a vacuum package plasma sterilization apparatus for sterilizing a feature in a vacuum package, and more particularly, vacuum package plasma that can prevent the sterilant from leaking to the outside even when the vacuum package is exchanged using two vacuum pumps. It relates to a sterilization device.
  • Japanese Laid-Open Patent Publication discloses a plasma sterilization apparatus by generating an atmospheric dielectric barrier discharge (DBD) using a breathable packaging material.
  • DBD atmospheric dielectric barrier discharge
  • Japanese Patent Laid-Open No. 2008-183025 cannot discharge in a vacuum.
  • Korean Patent No. 10-1012442 discloses a sterilizing apparatus using atmospheric pressure plasma.
  • the packaging material of Korean Patent No. 10-1012442 is not possible to secure electrical safety due to exposure to high voltage and generation of electromagnetic waves, and is not applicable as a device for sterilization as in Japanese Patent Application Laid-Open No. 2008-183025.
  • the existing packaging material only performs the basic function of preventing and storing secondary pollution of the sterilized medical device.
  • various medical packaging materials used for carrying out sterilization process using a medical sterilizer and then storing them.
  • a packaging material of a material having selective permeability to sterilizing agents defined in each sterilizer may be used to sterilize the medical device in the package after packaging.
  • a packaging material such as woven fabric, non-woven fabric, paper, or polypropylene may be used for the autoclave.
  • ethylene oxide (EtO) sterilizer a packaging container made of polyethylene and Tyvek may be used as a polymer.
  • Medical sterilizers are required to achieve sterility of a medical device that performs a validated process, ie sterilization, to provide a medical device free of microorganisms.
  • Representative medical sterilizers are autoclave sterilizers which perform sterilization at a high temperature of about 134 degrees Celsius and a high pressure of about 2 bar.
  • sterilization cannot be performed on medical devices which are limited to use in high temperature and high pressure processes such as food sterilization.
  • steam sterilization since the steam sterilization is performed, additional restrictions occur due to corrosion of the medical device. Dry heat sterilizer to remove the limitation by moisture will be sterilized at a high temperature of about 180 degrees Celsius.
  • it is not applicable to medical devices including parts of a material such as plastic, which is susceptible to heat.
  • the primary contamination of the packaging material may affect the permeability of the disinfectant, and has a problem that the sterilization reliability may be lowered.
  • the conventional chemical sterilizer proceeds in the sterilization chamber and the size of the sterilizer is large, the introduction of the limited space due to lack of space in medical institutions, due to the expensive equipment is difficult to introduce technology.
  • One technical problem to be solved of the present invention is to provide a vacuum packaging plasma sterilization apparatus capable of sterilization process in the vacuum packaging containing the object to be processed.
  • One technical problem to be solved by the present invention is to provide a vacuum wrapping paper plasma sterilizing apparatus for performing a sterilization process by forming a vacuum on the vacuum wrapping paper to dry the to-be-processed object and introducing a sterilizing agent into the vacuum wrapping paper.
  • An apparatus for sterilizing a vacuum package includes an external plasma source for generating a plasma and providing the same to a vacuum package; A first vacuum pump connected to the vacuum wrapper and configured to evacuate the vacuum wrapper to a vacuum; And a second vacuum pump connected to the vacuum wrapper and evacuating the vacuum wrapper to vacuum.
  • the connecting pipe connected to the valve mounted on the vacuum package is divided into four branches, the first branch is connected to the outlet of the external plasma source through the first valve, the second A branch is connected to the intake port of the first vacuum pump through a second valve, a third branch is connected to the intake port of the second vacuum pump through a third valve, and the fourth branch is connected to a valve mounted on the vacuum package.
  • the exhaust port of the first vacuum pump may be connected to an inlet of the external plasma source.
  • the exhaust port of the second vacuum pump may be connected to the outside through the fourth valve.
  • the exhaust port of the second vacuum pump may be connected to the valve of the vacuum wrapper through the fifth valve and the water removal filter.
  • the intake port of the second vacuum pump may be connected to the outside air through the sixth valve and the auxiliary water removal filter.
  • it may further include a heater for heating the vacuum wrapping paper.
  • it may further include a heater disposed between the fifth valve and the water removal filter.
  • it may further include a heater disposed at the rear end of the water removal filter.
  • the external plasma source may be arranged to heat a pipe between the fifth valve and the water removal filter.
  • the vacuum wrapping paper may include an embossing therein.
  • the vacuum packaging paper packaging material outer layer film formed of a resin film; A ground electrode film laminated on the packaging material outer layer film and formed of a conductive metal thin film; A dielectric barrier film of an insulator material stacked on the ground electrode film; A dielectric pattern film formed of a resin film and including a pattern region laminated on the dielectric barrier layer and recessed or protruding on a surface thereof; And a pattern electrode selectively stacked on protruding portions connected to each other or recessed portions connected to each other in the pattern region.
  • the dielectric barrier film and the dielectric pattern film may be laminated to each other.
  • it may further include an AC power supply for generating a plasma by applying an AC voltage between the ground electrode film and the pattern electrode.
  • a method for sterilizing vacuum packaging paper includes a first valve connected to an outlet of an external plasma source, a second valve connected to an inlet of a first vacuum pump, and a second valve connected to an inlet of a second vacuum pump. Connecting a third valve and a fourth valve connected to an exhaust port of the second vacuum pump; Exhausting the vacuum wrapper to a first pressure using the second vacuum pump and the third valve and closing a third valve disposed between the second vacuum pump and the valve of the vacuum wrapper; Opening the first valve to raise the vacuum wrap to a second pressure; And closing the first valve and opening the second valve to lower the pressure of the vacuum wrapper to the first pressure.
  • the method may further include increasing pressure by providing the vacuum packaged air with moisture removed through a moisture removal filter disposed at a rear end of the fifth valve.
  • it may further comprise the step of heating the air provided in the vacuum packaging.
  • two vacuum pumps may be used to perform a drying process and a sterilization process, and prevent the sterilant from leaking to the outside.
  • FIG. 1 is a conceptual diagram of a plasma sterilization apparatus according to an embodiment of the present invention.
  • FIG. 2 is a view showing the pressure of the vacuum wrapping paper of Figure 1 and the operating state of the valves.
  • FIG. 3 is a perspective view illustrating a vacuum wrapping plasma sterilizing apparatus according to an embodiment of the present invention.
  • FIG. 4 is a block diagram illustrating the vacuum wrapping paper plasma sterilizing apparatus of FIG. 3.
  • FIG. 5 is a view showing the pressure and the state of the components of the vacuum wrapping paper connected to the vibration wrapping paper plasma sterilizing apparatus of FIG.
  • FIG. 6 is a cross-sectional view illustrating the vacuum wrapping paper of FIG. 3.
  • FIG. 7 is a block diagram illustrating a vacuum wrapping paper sterilizing apparatus according to another embodiment of the present invention.
  • FIG. 9 is a block diagram illustrating an apparatus for sterilizing a vacuum package according to another embodiment of the present invention.
  • FIG. 11 is a conceptual view illustrating a vacuum wrapping paper sterilizing apparatus according to another embodiment of the present invention.
  • FIG. 12 is a conceptual view illustrating an apparatus for sterilizing vacuum wrapping paper according to still another embodiment of the present invention.
  • FIG. 13 is a conceptual diagram illustrating a vacuum wrapping paper sterilizing apparatus according to another embodiment of the present invention.
  • FIG. 14 is a conceptual view illustrating an apparatus for sterilizing vacuum wrapping paper according to still another embodiment of the present invention.
  • 15 is a conceptual diagram illustrating a vacuum wrapping paper according to an embodiment of the present invention.
  • Conventional plasma sterilization apparatus places a workpiece in a fixed chamber, forms a plasma, and sterilizes it.
  • a heating means is arranged inside the fixed chamber.
  • the disposable vacuum wrapper is individually packaged for each object to be processed, when a new vacuum wrapper is replaced in the vacuum wrapper plasma sterilization apparatus, a high concentration of sterilant inside the vacuum wrapper plasma sterilizer may leak into the atmosphere, causing stability problems. . Therefore, there is a need for a new structure that solves the problem of stability of this drying process and sterilant leakage.
  • FIG. 1 is a conceptual diagram of a plasma sterilization apparatus according to an embodiment of the present invention.
  • FIG. 2 is a view showing the pressure of the vacuum wrapping paper of Figure 1 and the operating state of the valves.
  • the vacuum wrapper has a valve, such as a check valve, which can be connected to a vacuum pump or a plasma source.
  • a plasma source and a vacuum pump are disposed to sterilize a workpiece stored in the vacuum wrapper.
  • the first valve is arranged at the outlet of the plasma source, and the second valve is arranged at the inlet of the vacuum pump.
  • the pipe connecting the outlet of the vacuum pump and the inlet of the plasma source has a branch and is connected to the atmosphere through a third valve.
  • the first and second valves are closed and the previous vacuum wrapper is removed.
  • a first first closure and a second valve and a third valve are opened.
  • the sterilant inside the vacuum pump leaks into the atmosphere through the third valve.
  • the vented air contains a high concentration of sterilant remaining in the previous vacuum packaging sterilization process. Therefore, by the exhaust process, the user is constantly exposed to sterilizing agents, which present a risk factor.
  • the present invention was derived to solve this problem.
  • a dielectric discharge plasma is formed to provide sterilant, ultraviolet rays, and plasma to the workpiece.
  • the treatment may be heated to form optimal sterilization process conditions.
  • the external plasma source in a vacuum state, the external plasma source generates a plasma to provide a sterilant including hydrogen peroxide or nitrogen and oxygen active species (RONS) through a valve or connecting pipe of the vacuum resin packaging container.
  • the processed material can be sterilized.
  • the external plasma source produces large amounts of nitrogen and oxygen active species to sterilize the workpiece.
  • the pattern electrode integrated in the vacuum resin packaging container may secure a discharge space and an exhaust passage to form a dielectric discharge plasma to proceed with sterilization.
  • the dielectric discharge plasma can sterilize the workpiece and heat the workpiece to a temperature for optimal sterilization process.
  • the vacuum resin packaging container When the vacuum resin packaging container is evacuated using an external plasma source and a vacuum pump and a sterilant is supplied, the vacuum resin packaging container requires an embossing treatment on its surface for efficient evacuation.
  • a dielectric pattern film is used which provides an exhaust passage while securing a discharge space in the packaging film.
  • the dielectric barrier discharge is easy and occurs even at low power.
  • Such internal discharge of the external plasma source and the vacuum resin packaging container itself can improve sterilization ability.
  • it is suitable for the sterilization of medical devices requiring high sterilization ability.
  • Complex sterilization by the external plasma source and the internal plasma source can significantly reduce the sterilization or sterilization process time, and does not require a separate cooling treatment as a pasteurization process.
  • high temperature sterilization it is possible to sterilize plastic medical devices that are not applicable due to thermal deformation.
  • a separate vacuum packaging process is unnecessary.
  • Vacuum resin packaging container can save space compared to the high temperature autoclave, can reduce the sterilization time by efficient sterilization at low temperature, sterilization process is carried out at the same time vacuum packaging process and sterilization process Secondary pollution and cross-contamination are prevented, reducing the likelihood of a medical accident.
  • a packaging film having a PET / AL / PE structure including a conventional aluminum foil film is used.
  • the separate dielectric pattern film is formed of a resin film and includes a pattern region recessed or protruding on the surface thereof.
  • the pattern electrode is selectively stacked on protruding portions connected to each other or recessed portions connected to each other in the pattern region.
  • the PET / AL / PE structured packaging film and the dielectric pattern film may be laminated to each other through a thermocompression bonding process or an adhesive.
  • the dielectric pattern film may be formed using a molding method such as compression molding or injection molding.
  • the pattern electrode may be formed using an electrolytic plating or an electroless plating method.
  • FIG. 3 is a perspective view illustrating a vacuum wrapping plasma sterilizing apparatus according to an embodiment of the present invention.
  • FIG. 4 is a block diagram illustrating the vacuum wrapping paper plasma sterilizing apparatus of FIG. 3.
  • FIG. 5 is a view showing the pressure and the state of the components of the vacuum wrapping paper connected to the vibration wrapping paper plasma sterilizing apparatus of FIG.
  • FIG. 6 is a cross-sectional view illustrating the vacuum wrapping paper of FIG. 3.
  • the vacuum wrapping paper sterilizing apparatus 100 includes an external plasma source 31 which generates plasma and provides the same to the vacuum wrapping paper 14; A first vacuum pump (32) connected to the vacuum wrapping paper (14) and for evacuating the vacuum wrapping paper (14) to a vacuum; And a second vacuum pump 33 connected to the vacuum wrapping paper 14 and for evacuating the vacuum wrapping paper 14 to a vacuum.
  • the first vacuum pump 31 and the external plasma source 32 may perform a cyclic sterilization process, and the second vacuum pump 33 may perform a drying process.
  • the connecting pipe 41 which is connected to the valve mounted on the vacuum wrapping paper, is divided into four branches.
  • the first branch 41a is connected to the outlet of the external plasma source 31 through the first valve 21 through the first valve 21
  • the second branch 41b is connected to the inlet and the second valve of the first vacuum pump 32.
  • the third branch 41c is connected to the intake port of the second vacuum pump 33 and the third valve 23
  • the fourth branch 41d is connected to the vacuum wrapper 14. It is connected to the valve 130 mounted.
  • An exhaust port of the first vacuum pump 32 is connected to an inlet of the external plasma source 31.
  • the exhaust port of the second vacuum pump 33 is connected to the outside atmosphere through the fourth valve 24.
  • the connecting pipe 41 may be composed of a stainless pipe or a plastic pipe.
  • the connecting pipe 41 may be configured by a pipe fitting.
  • the external plasma source 31 may substantially perform atmospheric discharge or high pressure discharge between several hundred millitorr and atmospheric pressure.
  • the external plasma source 31 may be discharged using air or hydrogen peroxide to generate a sterilant.
  • the sterilizing agent may include nitrogen and oxygen reactive species (RONS).
  • RONS nitrogen and oxygen reactive species
  • the external plasma source 31 may be any one of a glow plasma discharge using an electrode, an inductively coupled plasma discharge using an antenna, an ultrahigh frequency plasma discharge using a microwave, or a dielectric barrier discharge using an alternating current power.
  • the first vacuum pump 32 and the second vacuum pump 33 may be a low vacuum pump for exhausting the vacuum wrapping paper 14.
  • the first to fourth valves 21 to 24 may operate by hydraulic pressure or by electric signals.
  • the valve 130 of the vacuum wrapper 14 may be a check valve.
  • the first valve 21 connected to the outlet of the external plasma source 31 to the valve 130 of the vacuum wrapping paper 14, the second valve 22 connected to the intake port of the first vacuum pump 32, and the second vacuum.
  • the third valve 23 connected to the inlet port of the pump 33 is connected.
  • the vacuum packing paper 14 is exhausted to the first pressure P1 using the second vacuum pump 33 and the third valve 23, and the valve of the second vacuum pump 33 and the vacuum packing paper is used.
  • the third valve 23 disposed in between is closed. Specifically, the external plasma source 31 is operated, and the first vacuum pump 32 and the second vacuum pump 33 are operated. In addition, the first valve 21 and the second valve 22 are closed, and the third valve 23 and the fourth valve 24 are opened. Accordingly, since the vacuum wrapping paper 14 is exhausted by the second vacuum pump 33, the sterilant generated in the processing process of the previous vacuum wrapping paper is not discharged to the outside atmosphere. In addition, as the vacuum wrapping paper 14 is maintained at the first pressure, the workpiece is dried quickly.
  • the first valve 21 is opened to raise the vacuum wrapping paper 14 to a second pressure. Specifically, the first valve 21 is opened, and the second to fourth valves 22 to 24 are closed. Accordingly, the plasma source 31 produces a sterilant and supplies it to the vacuum wrapping paper 14, and the pressure of the vacuum wrapping paper 14 rises to a second pressure.
  • the first valve 21 is closed and the second valve 22 is opened to lower the pressure of the vacuum wrapping paper to the first pressure.
  • the second valve 22 opens and the first valve 21, the third valve 23, and the fourth valve 24 close. Accordingly, the first vacuum pump 31 lowers the pressure of the vacuum wrapping paper 14 to the first pressure.
  • the first to fourth valves 21 to 24 are closed.
  • the fourth branch 41d and the valve 130 of the vacuum wrapping paper 14 may be separated from each other. If the valve 130 is a check valve, the vacuum wrapping paper 14 maintains a vacuum state.
  • the vacuum wrapping paper 14 may include the first packaging film 110 and the second packaging film 120, and edges of the overlapping first packaging film and the second packaging film may be thermally compressed and sealed with each other. have.
  • the second packaging film 120 may be a PE material.
  • the first packaging film 110 is a packaging material outer layer film 111 formed of a resin film; A ground electrode film 112 laminated on the package outer layer film 111 and made of a conductive metal thin film; A dielectric barrier film 113 of an insulator material stacked on the ground electrode film 112; A dielectric pattern film 114 stacked on the dielectric barrier film 113 and including a pattern region recessed or protruding on a surface thereof; And a pattern electrode 116 stacked on a protruding portion or a recessed portion of the pattern region.
  • the dielectric barrier film 113 and the dielectric pattern film 114 may be bonded to each other by adhesive or thermocompression bonding.
  • the second packaging film may be a resin film.
  • the AC power supply 39 may provide an AC power to the pattern electrode 116 and the ground electrode film 112 to generate a dielectric barrier discharge.
  • the vacuum wrapping paper 14 may be sealed and have a bag shape of a resin material having flexibility.
  • the vacuum wrapper 14 may include a pattern electrode 116 therein for performing dielectric barrier discharge.
  • the vacuum wrapper may include a valve 130 or a connecting pipe to evacuate to a vacuum after being sealed.
  • the valve 130 may be a check valve that provides a flow of air in one direction.
  • a connector is coupled to the valve 130 to evacuate the vacuum wrapping paper 14
  • the valve 130 is opened by a pusher and the vacuum wrapping paper is opened by vacuum pumps 32 and 33. 14) is exhausted.
  • the valve 130 is opened by a pusher, and an external plasma source 31 is opened by the connector and the valve 130.
  • the sterilizing agent is provided in the vacuum package 14 through).
  • the check valve is operated so that external air blocks the inflow into the vacuum package.
  • the first packaging film 110 is a packaging material outer layer film 111 formed of a resin film; A ground electrode film 112 laminated on the package outer layer film and formed of a conductive metal thin film; A dielectric barrier film 113 of an insulator material laminated on the ground electrode film; A dielectric pattern film (114) formed of a resin film and including a pattern region laminated on the dielectric barrier layer and recessed or protruding on a surface thereof; And a pattern electrode 116 selectively stacked on protruding portions connected to each other or recessed portions connected to each other in the pattern region.
  • the dielectric barrier film 113 and the dielectric pattern film 114 are laminated to each other.
  • the first packaging film 110 may be formed by laminating the vacuum packaging films 111, 112, and 113 and the dielectric pattern film 114 having a PET / Al / PE structure.
  • the first packaging film 110 may include a sealing region, a pattern region, and a pad region.
  • the sealing region is formed at the edge of the first packaging film and bonded with the second packaging film to provide an inner sealing space.
  • the pattern region includes recessed portions connected to each other as a region in which a pattern is formed on the dielectric pattern film.
  • the pattern region may provide a discharge space through which the pattern electrode 116 forms a plasma and an exhaust passage through which gas can escape.
  • a connection pad 104 is disposed in the pad region and is electrically connected to an external AC power supply 39.
  • connection pad 104 is electrically connected to the pattern electrode 116.
  • the connection pad may be formed simultaneously with the pattern electrode.
  • the pad region or the connection pad 104 is aligned with the pad opening 105 penetrating the second packaging film 120. Accordingly, the connection pad 104 is easily in electrical contact with the AC power supply unit 20 through contact means such as tongs. Since the connection pad 104 is exposed to the outside air, it is sealed. That is, the pad area is disposed inside the sealing area.
  • the packaging material outer layer film 111 may have flexibility as a polyethylene terephthalate (PET) film.
  • PET polyethylene terephthalate
  • the material of the packaging film is not limited to PET film and may be replaced with another resin.
  • the ground electrode film 112 may be an aluminum film.
  • the ground electrode film is not limited to aluminum but may be replaced with another metal.
  • the ground electrode film may be electrically grounded.
  • the sealing region of the first packaging film may be picked up by means such as crocodile teeth forceps. Alternatively, a portion of the ground electrode film may be exposed by removing a portion of the packaging outer layer film in the sealing area.
  • the dielectric barrier film 113 may be a polyethylene film.
  • the dielectric barrier film may be a PE film.
  • the dielectric barrier film is not limited to PE, but may be changed into resin in various ways.
  • the dielectric barrier film may be interposed between the ground electrode and the pattern electrode to provide sufficient dielectric breakdown strength.
  • the dielectric pattern film 116 may be a PE film and include a recessed portion of the porous screen structure on one surface thereof.
  • the recessed portion may provide an exhaust passage and a discharge space.
  • a pattern electrode 116 connected to each other may be disposed at the recessed portion.
  • the thickness of the pattern electrode 116 may be sufficiently smaller than the depth of the recessed portion. Specifically, the depth of the recessed portion may be several tens of micrometers to several millimeters. The thickness of the pattern electrode 116 may be 1/3 or less of the depth of the recessed portion.
  • the dielectric pattern film 114 may be a molded PE film.
  • the pattern electrode 116 may be selectively formed in the pattern region of the dielectric pattern film.
  • the roughness of the recessed portion of the dielectric pattern film may be greater than the roughness of the protruding portion.
  • the recessed portion may be selectively plated in an electroless manner.
  • the pattern region may be formed by being recessed to be continuously connected to each other on the surface of the dielectric pattern film 114, and the pattern electrode 116 may be disposed in the recessed pattern region.
  • the pattern electrode 116 may be formed on the bottom surface of the recessed portion and may have a porous screen structure.
  • the pattern electrode 116 may have a shape including holes arranged in a mesh shape or a matrix shape.
  • the shape of the hole may be a circle, a polygon, a slit, a serpentine slit shape.
  • the diameter or width of the hole may be 0.3 mm to 3 mm in diameter of the through hole of the porous screen.
  • the pattern electrode 116 may have a thickness of several micrometers to several hundred micrometers. The thickness of the pattern electrode 116 may be smaller than the depth of the recessed portion. Thus, the exhaust passage and the discharge space can be secured.
  • the pattern electrode 116 may include at least one of copper, nickel, gold, silver, and aluminum.
  • the dielectric pattern film 116 on which the pattern electrode 116 is formed may be laminated with a laminated outer film / ground electrode film / dielectric barrier film through thermocompression bonding or an adhesive. In this case, the dielectric pattern film 116 may be in contact with the dielectric barrier film 113.
  • the pattern electrode 116 may be arranged to face the inside of the vacuum package.
  • the valve 130 may be disposed to penetrate the dielectric pattern film 114, the dielectric barrier film 113, the ground electrode film 112, and the packaging material outer layer film 111 in the pattern region.
  • the valve 130 may be a check valve.
  • the valve may be formed of a resin material and mounted and sealed in an opening formed in the vacuum packaging paper (or the first packaging film).
  • the valve 130 prevents outside air from penetrating into the vacuum wrapping paper.
  • the valve 130 is connected to a vacuum pump and an external plasma source through a connector.
  • the connector includes a pusher, so that when the connector is engaged with the valve, the valve 130 may be always kept open.
  • the valve 130 may be disposed in the pattern region and connected to an exhaust passage provided by the recessed portion. Accordingly, when the vacuum wrapping paper is exhausted, efficient exhaust may be performed.
  • FIG. 7 is a block diagram illustrating a vacuum wrapping paper sterilizing apparatus according to another embodiment of the present invention.
  • the vacuum wrapping paper sterilizing apparatus 100a includes an external plasma source 31 which generates plasma and provides the same to the vacuum wrapping paper 14; A first vacuum pump (32) connected to the vacuum wrapping paper (14) and for evacuating the vacuum wrapping paper (14) to a vacuum; And a second vacuum pump 33 connected to the vacuum wrapping paper 14 and for evacuating the vacuum wrapping paper 14 to a vacuum.
  • the connecting pipe 41 which is connected to the valve mounted on the vacuum wrapping paper, is divided into four branches.
  • the first branch 41a is connected to the outlet of the external plasma source 31 through the first valve 21 through the first valve 21
  • the second branch 41b is connected to the inlet and the second valve of the first vacuum pump 32.
  • the third branch 41c is connected to the intake port of the second vacuum pump 33 and the third valve 23
  • the fourth branch 41d is connected to the vacuum wrapper 14. It is connected to the valve 130 mounted.
  • An exhaust port of the first vacuum pump 32 is connected to an inlet of the external plasma source 31.
  • the exhaust port of the second vacuum pump 33 is connected to the outside atmosphere through the fourth valve 24.
  • the exhaust port of the second vacuum pump is connected to the valve of the vacuum wrapping paper or the third branch 41c through the fifth valve 25 and the water removal filter 34.
  • the water removal filter 34 may provide dry air to the vacuum package to dry the object to be stored inside the vacuum package.
  • the second vacuum pump 33 and the water removing filter 34 may perform a drying process before the sterilization process.
  • the first valve 21 connected to the outlet of the external plasma source 31 to the valve 130 of the vacuum wrapping paper 14, the second valve 22 connected to the intake port of the first vacuum pump 32, and the second vacuum.
  • the third valve 23 connected to the inlet port of the pump 33 is connected.
  • the exhaust port of the second vacuum pump is connected to the valve of the vacuum wrapper or the third branch 41c through the fifth valve 25 and the water removal filter 34.
  • the vacuum packing paper 14 is exhausted to the first pressure P1 using the second vacuum pump 33 and the third valve 23, and the valve of the second vacuum pump 33 and the vacuum packing paper is used.
  • the third valve 23 disposed in between is closed. Specifically, the external plasma source 31 is operated, and the first vacuum pump 32 and the second vacuum pump 33 are operated. In addition, the first valve 21 and the second valve 22 are closed, and the third valve 23 and the fourth valve 24 are opened. The fifth valve 25 closes. Accordingly, since the vacuum wrapping paper 14 is exhausted by the second vacuum pump 33, the sterilant generated in the processing process of the previous vacuum wrapping paper is not discharged to the outside atmosphere. In addition, as the vacuum wrapping paper 14 is maintained at the first pressure, the workpiece is dried quickly.
  • the fifth valve 25 connected to the exhaust port of the second vacuum pump is opened and the third valve 23 and the fourth valve 24 are closed.
  • the moisture is removed from the vacuum package through the water removal filter 34 disposed at the rear end of the fifth valve 25 to increase the pressure.
  • the third valve is then opened and the fifth valve is closed to reduce the pressure of the vacuum wrapper to the first pressure.
  • the first valve 21 is opened to raise the vacuum wrapping paper 14 to a second pressure. Specifically, the first valve 21 is opened and the second to fifth valves 22 to 25 are closed. Accordingly, the plasma source 31 produces a sterilant and supplies it to the vacuum wrapping paper 14, and the pressure of the vacuum wrapping paper 14 rises to a second pressure.
  • the first valve 21 is closed and the second valve 22 is opened to lower the pressure of the vacuum wrapping paper to the first pressure.
  • the second valve 22 opens and the first valve 21, the third valve 23, the fourth valve 24, and the fifth valve close. Accordingly, the first vacuum pump 31 lowers the pressure of the vacuum wrapping paper 14 to the first pressure.
  • the first to fifth valves 21 to 25 are closed.
  • the fourth branch 41d and the valve 130 of the vacuum wrapping paper 14 may be separated from each other. If the valve 130 is a check valve, the vacuum wrapping paper 14 maintains a vacuum state.
  • FIG. 9 is a block diagram illustrating an apparatus for sterilizing a vacuum package according to another embodiment of the present invention.
  • the vacuum wrapping paper sterilizing apparatus 100b includes an external plasma source 31 for generating plasma and providing the same to the vacuum wrapping paper 14; A first vacuum pump (32) connected to the vacuum wrapping paper (14) and for evacuating the vacuum wrapping paper (14) to a vacuum; And a second vacuum pump 33 connected to the vacuum wrapping paper 14 and for evacuating the vacuum wrapping paper 14 to a vacuum.
  • the connecting pipe 41 which is connected to the valve mounted on the vacuum wrapping paper, is divided into four branches.
  • the first branch 41a is connected to the outlet of the external plasma source 31 through the first valve 21 through the first valve 21
  • the second branch 41b is connected to the inlet and the second valve of the first vacuum pump 32.
  • the third branch 41c is connected to the intake port of the second vacuum pump 33 and the third valve 23
  • the fourth branch 41d is connected to the vacuum wrapper 14. It is connected to the valve 130 mounted.
  • An exhaust port of the first vacuum pump 32 is connected to an inlet of the external plasma source 31.
  • the exhaust port of the second vacuum pump 33 is connected to the outside atmosphere through the fourth valve 24.
  • the exhaust port of the second vacuum pump 33 is connected to the valve of the vacuum wrapper or the third branch 41c through the fifth valve 25 and the water removal filter 34.
  • the intake port of the second vacuum pump 33 is connected to the outside air through the sixth valve 26 and the auxiliary water removal filter 35.
  • the moisture removing filter 34 and the auxiliary moisture removing filter 35 may provide dry air to the vacuum wrapping paper to dry the object to be stored in the vacuum wrapping paper.
  • the second vacuum pump 33 and the water removing filter 34 may perform a drying process before the sterilization process.
  • the first valve 21 connected to the outlet of the external plasma source 31 to the valve 130 of the vacuum wrapping paper 14, the second valve 22 connected to the intake port of the first vacuum pump 32, and the second vacuum.
  • the third valve 23 connected to the inlet port of the pump 33 is connected.
  • the exhaust port of the second vacuum pump is connected to the valve of the vacuum wrapper or the third branch 41c through the fifth valve 25 and the water removal filter 34.
  • the intake port of the second vacuum pump 33 is connected to the outside air through the sixth valve 26 and the auxiliary water removal filter 35.
  • the vacuum packing paper 14 is exhausted to the first pressure P1 using the second vacuum pump 33 and the third valve 23, and the valve of the second vacuum pump 33 and the vacuum packing paper is used.
  • the third valve 23 disposed in between is closed. Specifically, the external plasma source 31 is operated, and the first vacuum pump 32 and the second vacuum pump 33 are operated. In addition, the first valve 21 and the second valve 22 are closed, and the third valve 23 and the fourth valve 24 are opened. The fifth valve 25 and the fifth valve 26 are closed. Accordingly, since the vacuum wrapping paper 14 is exhausted by the second vacuum pump 33, the sterilant generated in the processing process of the previous vacuum wrapping paper is not discharged to the outside atmosphere. In addition, as the vacuum wrapping paper 14 is maintained at the first pressure, the workpiece is dried quickly.
  • the fifth valve 25 connected to the exhaust port of the second vacuum pump is opened, and the sixth valve 26 connected to the inlet port of the second vacuum pump is opened. do.
  • the third valve 23 and the fourth valve 24 are closed.
  • the dry air introduced from the outside through the auxiliary water removal filter 35 may include a water removal filter disposed at a rear end of the second vacuum pump 33, the fifth valve 25, and the fifth valve 25.
  • the dehumidified air is supplied to the vacuum package through 34). Accordingly, the pressure of the vacuum wrapping paper increases.
  • the third valve 23 and the fourth valve 24 are opened, and the fifth valve 25 and the sixth valve 26 are closed to reduce the pressure of the vacuum wrapper to the first pressure.
  • the first valve 21 is opened to raise the vacuum wrapping paper 14 to a second pressure. Specifically, the first valve 21 is opened, and the second to sixth valves 22 to 26 are closed. Accordingly, the plasma source 31 produces a sterilant and supplies it to the vacuum wrapping paper 14, and the pressure of the vacuum wrapping paper 14 rises to a second pressure.
  • the first valve 21 is closed and the second valve 22 is opened to lower the pressure of the vacuum wrapping paper to the first pressure.
  • the second valve 22 opens and the first valve 21, the third valve 23, the fourth valve 24, the fifth valve, and the sixth valve are closed. Accordingly, the first vacuum pump 31 lowers the pressure of the vacuum wrapping paper 14 to the first pressure.
  • the first to sixth valves 21 to 26 are closed.
  • the fourth branch 41d and the valve 130 of the vacuum wrapping paper 14 may be separated from each other. If the valve 130 is a check valve, the vacuum wrapping paper 14 maintains a vacuum state.
  • FIG. 11 is a conceptual view illustrating a vacuum wrapping paper sterilizing apparatus according to another embodiment of the present invention.
  • the vacuum wrapping paper sterilizing apparatus 100c includes an external plasma source 31 which generates plasma and provides the same to the vacuum wrapping paper 14; A first vacuum pump (32) connected to the vacuum wrapping paper (14) and for evacuating the vacuum wrapping paper (14) to a vacuum; And a second vacuum pump 33 connected to the vacuum wrapping paper 14 and for evacuating the vacuum wrapping paper 14 to a vacuum.
  • the connecting pipe 41 which is connected to the valve mounted on the vacuum wrapping paper, is divided into four branches.
  • the first branch 41a is connected to the outlet of the external plasma source 31 through the first valve 21 through the first valve 21
  • the second branch 41b is connected to the inlet and the second valve of the first vacuum pump 32.
  • the third branch 41c is connected to the intake port of the second vacuum pump 33 and the third valve 23
  • the fourth branch 41d is connected to the vacuum wrapper 14. It is connected to the valve 130 mounted.
  • An exhaust port of the first vacuum pump 32 is connected to an inlet of the external plasma source 31.
  • the exhaust port of the second vacuum pump 33 is connected to the outside atmosphere through the fourth valve 24.
  • the exhaust port of the second vacuum pump 33 is connected to the valve of the vacuum wrapper or the third branch 41c through the fifth valve 25 and the water removal filter 34.
  • the intake port of the second vacuum pump 33 is connected to the outside air through the sixth valve 26 and the auxiliary water removal filter 35.
  • the moisture removing filter 34 and the auxiliary moisture removing filter 35 may provide dry air to the vacuum wrapping paper to dry the object to be stored in the vacuum wrapping paper.
  • the second vacuum pump 33 and the water removing filter 34 may perform a drying process before the sterilization process.
  • the heater 36 may heat the vacuum wrapper and / or the workpiece in the vacuum wrapper.
  • the heater may be an infrared heater or a heating plate. Accordingly, the workpiece can be heated and dried.
  • the heater may also operate in a drying process and a sterilization process.
  • FIG. 12 is a conceptual view illustrating an apparatus for sterilizing vacuum wrapping paper according to still another embodiment of the present invention.
  • the vacuum wrapping paper sterilizing apparatus 100d includes an external plasma source 31 which generates plasma and provides the same to the vacuum wrapping paper 14; A first vacuum pump (32) connected to the vacuum wrapping paper (14) and for evacuating the vacuum wrapping paper (14) to a vacuum; And a second vacuum pump 33 connected to the vacuum wrapping paper 14 and for evacuating the vacuum wrapping paper 14 to a vacuum.
  • the connecting pipe 41 which is connected to the valve mounted on the vacuum wrapping paper, is divided into four branches.
  • the first branch 41a is connected to the outlet of the external plasma source 31 through the first valve 21 through the first valve 21
  • the second branch 41b is connected to the inlet and the second valve of the first vacuum pump 32.
  • the third branch 41c is connected to the intake port of the second vacuum pump 33 and the third valve 23
  • the fourth branch 41d is connected to the vacuum wrapper 14. It is connected to the valve 130 mounted.
  • An exhaust port of the first vacuum pump 32 is connected to an inlet of the external plasma source 31.
  • the exhaust port of the second vacuum pump 33 is connected to the outside atmosphere through the fourth valve 24.
  • the exhaust port of the second vacuum pump 33 is connected to the valve of the vacuum wrapper or the third branch 41c through the fifth valve 25 and the water removal filter 34.
  • the intake port of the second vacuum pump 33 is connected to the outside air through the sixth valve 26 and the auxiliary water removal filter 35.
  • the moisture removing filter 34 and the auxiliary moisture removing filter 35 may provide dry air to the vacuum wrapping paper to dry the object to be stored in the vacuum wrapping paper.
  • the second vacuum pump 33 and the water removing filter 34 may perform a drying process before the sterilization process.
  • the heater 37 may be disposed between the fifth valve and the water removal filter.
  • the heated air may be provided in the vacuum package to dry the to-be-processed object and / or the vacuum package.
  • FIG. 13 is a conceptual diagram illustrating a vacuum wrapping paper sterilizing apparatus according to another embodiment of the present invention.
  • the vacuum wrapping paper sterilizing apparatus 100e includes an external plasma source 31 for generating plasma and providing the same to the vacuum wrapping paper 14; A first vacuum pump (32) connected to the vacuum wrapping paper (14) and for evacuating the vacuum wrapping paper (14) to a vacuum; And a second vacuum pump 33 connected to the vacuum wrapping paper 14 and for evacuating the vacuum wrapping paper 14 to a vacuum.
  • the connecting pipe 41 which is connected to the valve mounted on the vacuum wrapping paper, is divided into four branches.
  • the first branch 41a is connected to the outlet of the external plasma source 31 through the first valve 21 through the first valve 21
  • the second branch 41b is connected to the inlet and the second valve of the first vacuum pump 32.
  • the third branch 41c is connected to the intake port of the second vacuum pump 33 and the third valve 23
  • the fourth branch 41d is connected to the vacuum wrapper 14. It is connected to the valve 130 mounted.
  • An exhaust port of the first vacuum pump 32 is connected to an inlet of the external plasma source 31.
  • the exhaust port of the second vacuum pump 33 is connected to the outside atmosphere through the fourth valve 24.
  • the exhaust port of the second vacuum pump 33 is connected to the valve of the vacuum wrapper or the third branch 41c through the fifth valve 25 and the water removal filter 34.
  • the intake port of the second vacuum pump 33 is connected to the outside air through the sixth valve 26 and the auxiliary water removal filter 35.
  • the moisture removing filter 34 and the auxiliary moisture removing filter 35 may provide dry air to the vacuum wrapping paper to dry the object to be stored in the vacuum wrapping paper.
  • the second vacuum pump 33 and the water removing filter 34 may perform a drying process before the sterilization process.
  • the heater 37 may be disposed at the rear end of the water removal filter.
  • the heated air may be provided in the vacuum package to dry the to-be-processed object and / or the vacuum package.
  • FIG. 14 is a conceptual view illustrating an apparatus for sterilizing vacuum wrapping paper according to still another embodiment of the present invention.
  • the vacuum wrapping paper sterilizing apparatus 100f includes an external plasma source 31 that generates plasma and provides the same to the vacuum wrapping paper 14; A first vacuum pump (32) connected to the vacuum wrapping paper (14) and for evacuating the vacuum wrapping paper (14) to a vacuum; And a second vacuum pump 33 connected to the vacuum wrapping paper 14 and for evacuating the vacuum wrapping paper 14 to a vacuum.
  • the connecting pipe 41 which is connected to the valve mounted on the vacuum wrapping paper, is divided into four branches.
  • the first branch 41a is connected to the outlet of the external plasma source 31 through the first valve 21 through the first valve 21
  • the second branch 41b is connected to the inlet and the second valve of the first vacuum pump 32.
  • the third branch 41c is connected to the intake port of the second vacuum pump 33 and the third valve 23
  • the fourth branch 41d is connected to the vacuum wrapper 14. It is connected to the valve 130 mounted.
  • An exhaust port of the first vacuum pump 32 is connected to an inlet of the external plasma source 31.
  • the exhaust port of the second vacuum pump 33 is connected to the outside atmosphere through the fourth valve 24.
  • the exhaust port of the second vacuum pump 33 is connected to the valve of the vacuum wrapper or the third branch 41c through the fifth valve 25 and the water removal filter 34.
  • the intake port of the second vacuum pump 33 is connected to the outside air through the sixth valve 26 and the auxiliary water removal filter 35.
  • the moisture removing filter 34 and the auxiliary moisture removing filter 35 may provide dry air to the vacuum wrapping paper to dry the object to be stored in the vacuum wrapping paper.
  • the second vacuum pump 33 and the water removing filter 34 may perform a drying process before the sterilization process.
  • the external plasma source 31 may heat the pipe between the fifth valve 25 and the moisture removal filter 34.
  • the heat generated by the external plasma source 31 may heat the pipe around the water removal filter.
  • the heated air may be provided to the vacuum package 14 to heat the to-be-processed and / or vacuum package to dry.
  • 15 is a conceptual diagram illustrating a vacuum wrapping paper according to an embodiment of the present invention.
  • the vacuum packaging 14a may include a polyethylene film 14a including embossing on one surface and a protective film 14c laminated on the polyethylene film.
  • the protective film 14c may be a nylon film or a PET film.
  • the vacuum wrapper may be manufactured using a pair of vacuum wrappers so that the embossing faces each other.
  • the vacuum wrapping paper 14a may include a valve 130 or a passage for exhaust and intake air. The valve may be a check valve for use in conventional vacuum packaging.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Abstract

La présente invention concerne un appareil de stérilisation du papier d'emballage sous vide et un procédé de stérilisation. L'appareil de stérilisation du papier d'emballage sous vide comprend : une source de plasma externe pour générer et appliquer un plasma à un papier d'emballage sous vide ; une première pompe à vide connectée au papier d'emballage sous vide et qui évacue l'air du papier d'emballage sous vide ; et une seconde pompe à vide connectée au papier d'emballage sous vide et qui évacue l'air du papier d'emballage sous vide.
PCT/KR2016/013593 2015-12-14 2016-11-24 Appareil de stérilisation par plasma du papier d'emballage sous vide Ceased WO2017105000A1 (fr)

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KR10-2015-0177937 2015-12-14

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Cited By (1)

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CN114288429A (zh) * 2021-12-31 2022-04-08 西安交通大学 一种用于医用防护用品消毒的正压惰气保护循环干热装置

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KR102345246B1 (ko) 2019-12-31 2021-12-29 부경대학교 산학협력단 Uv-a 광을 이용한 포장 제품 내부의 살균 방법
KR102257210B1 (ko) * 2020-11-06 2021-05-26 이종현 플라즈마 살균기

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JP2003533248A (ja) * 2000-03-23 2003-11-11 ヒューマン メディテック コーポレイション リミテッド プラズマ消毒システム
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