WO2023287387A2 - Dispositif de stérilisation fonctionnant selon le principe du chauffage par induction - Google Patents

Dispositif de stérilisation fonctionnant selon le principe du chauffage par induction Download PDF

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Publication number
WO2023287387A2
WO2023287387A2 PCT/TR2022/050750 TR2022050750W WO2023287387A2 WO 2023287387 A2 WO2023287387 A2 WO 2023287387A2 TR 2022050750 W TR2022050750 W TR 2022050750W WO 2023287387 A2 WO2023287387 A2 WO 2023287387A2
Authority
WO
WIPO (PCT)
Prior art keywords
induction heating
heating circuit
power source
coil
sterilized
Prior art date
Application number
PCT/TR2022/050750
Other languages
English (en)
Other versions
WO2023287387A3 (fr
Inventor
Akif Hüseyin ÖZMERCAN
Elanur AYDIN KARATAŞ
Ömer Faruk KARATAŞ
Serkan ÖRTÜCÜ
Original Assignee
Ecotech Bi̇yoteknoloji̇ Araştirma Geli̇şti̇rme Sanayi̇ Ve Ti̇caret Li̇mi̇ted Şi̇rketi̇
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 TR2021/011508 external-priority patent/TR2021011508A2/tr
Application filed by Ecotech Bi̇yoteknoloji̇ Araştirma Geli̇şti̇rme Sanayi̇ Ve Ti̇caret Li̇mi̇ted Şi̇rketi̇ filed Critical Ecotech Bi̇yoteknoloji̇ Araştirma Geli̇şti̇rme Sanayi̇ Ve Ti̇caret Li̇mi̇ted Şi̇rketi̇
Publication of WO2023287387A2 publication Critical patent/WO2023287387A2/fr
Publication of WO2023287387A3 publication Critical patent/WO2023287387A3/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/04—Heat
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/06—Control, e.g. of temperature, of power
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/101—Induction heating apparatus, other than furnaces, for specific applications for local heating of metal pieces
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/36—Coil arrangements
    • H05B6/42—Cooling of coils
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/10—Apparatus features
    • A61L2202/11—Apparatus for generating biocidal substances, e.g. vaporisers, UV lamps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/10—Apparatus features
    • A61L2202/14—Means for controlling sterilisation processes, data processing, presentation and storage means, e.g. sensors, controllers, programs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/20—Targets to be treated
    • A61L2202/24—Medical instruments, e.g. endoscopes, catheters, sharps

Definitions

  • the invention relates to a sterilizing device for use in research and development- oriented basic sciences and/or in the field of healthcare, intended, in particular, for sterilization of loops, inoculation needles, automatic inoculation hoods or scalpel tips in microbiology, mammalian cell culture, plant tissue culture and other applications where sterilization is required.
  • the ceramic or infrared heat source around the needle or loop sterilized by heating is heated from the outside. This not only delays the heating process of the material, but also causes the handle of the needle or loop to heat up to a certain degree, extending the time required for cooling the needle to a level suitable for inoculation. Moreover, the metal expands disproportionately due to non-homogenous heating and tips deform rapidly.
  • the second fundamental problem is that of increased ambient temperature (biosafety cabinet, etc.) and energy consumption in environments where the heater (without a sensor or foot switch) is constantly on. While devices with a sensor or foot switch have a mitigating effect, this problem is not completely solved due to the release of high amounts of thermal energy during sterilization.
  • the invention relates to a sterilizer, comprising an element with a V-shaped groove to receive and support the instrument to be sterilized. Two electrodes are placed at the opposite sides of the groove so that the instrument positioned in the groove completes the electrical circuit between the electrodes. Moreover, said sterilizer structure also comprises a removable hood on one end of the hood with an opening located on the electrodes.
  • Patent application no. CN 103083694 A relates to an infrared inoculation sterilizer.
  • Said sterilizer includes a sterilized main body, a connecting rod, an infrared emitter, and a controller.
  • the controller is positioned on the sterilizer body, and the sterilizer body is connected to the infrared emitter through a connecting rod.
  • the sterilizer mainly benefits from its small size and easy to carry design.
  • the invention relates to a sterilizing device works with the principle of induction heating which satisfies the requirements listed above, eliminates the disadvantages of the prior art while bringing new benefits to the technical field.
  • the main purpose of the invention is to provide a sterilizing device which solves the two fundamental problems of the existing prior art products.
  • the invention enables to reduce the heating period, cooling period and the amount of heat released by the device by ensuring self-heating of the needle instead of heating from the outside.
  • the invention involves an induction heating system instead of a resistor, a ceramic resistor or infrared technology employed in prior art.
  • the current generated in said induction heating system creates a magnetic field by means of a copper coil.
  • This coil also serves as a container where the loop or needle is placed in for heating.
  • the metal starts heating when the magnetic field is cut off by metals comprising iron, nickel and cobalt alloys. This system ensures that no parts except for the loop or needle is heated, heating period, cooling period and the amount of heat released by the device is reduced and energy efficiency is improved.
  • the purpose of the invention is to develop a device which, unlike the prior art (heating by resistor or infrared heat source), enables self-heating of a loop, needle or scalpel tip until it glows.
  • the invention is the first loop sterilizer device which used induction heating principle.
  • the self-heating of the tips creates a more comfortable working environment since no source that constantly generates high amounts of heat is required and a more economical and safer solution is provided.
  • induction heating is contact-free and homogenous, no deformation occurs at the tip of the loop or scalpel to be sterilized, hence they have a longer useful life compared to other systems.
  • devices with a resistor dissipate heat at a temperature of 500-850 13, while devices with infra red and quartz tube dissipate at 900- 1300 ⁇ during sterilization to heat needles until they glow.
  • This not only increases the energy consumption, but also causes the ambient temperature inside devices with a small space, such as biosafety cabinets, to rise up in a short period of time.
  • cooldown period is also increased as the metal handles of said needles also heat up during the process.
  • the invention eliminates all of these problems. In existing applications, heating tips to glow takes 5 to 10, while the device according to the present application takes only 3 to 6 seconds to do the same.
  • the invention relates to a sterilizing device (C) for use in research and development- oriented basic sciences and/or in the field of healthcare, intended, in particular, for sterilization of loops, inoculation needles, automatic inoculation hoods or scalpel tips in microbiology, mammalian cell culture, plant tissue culture and other applications where sterilization is required.
  • Figure 1 shows an overall view of the sterilizing device (C) according to the invention.
  • the sterilizing device (C) according to the invention comprises at least one induction heating circuit (6) to enable self-heating of the material to be sterilized.
  • the induction heating circuit (6) brings significant benefits in terms of time and cost.
  • the induction heating technology utilized by the induction heating circuit (6) is employed for the first time for loop sterilization purposes.
  • the device (C) comprises at least one power source-1 (1) to power the induction heating circuit (6).
  • DC power supply is preferred as the power source-1 (1) for the invention.
  • the device (C) comprises at least one obstacle detection sensor (8).
  • Said obstacle detection sensor (8) is an infrared intermediary module functioning to prevent the device (C) from operating continuously.
  • the device (C) operates with a trigger upon detection of a hand or a similar obstacle by said obstacle detection sensor (8). This provides energy saving.
  • the voltage required by the obstacle detection sensor (8) is provided by at least one voltage regulator (3).
  • the required voltage is preferably 5V.
  • DC-DC voltage regulator (3) is preferred as the voltage regulator (3) of the invention. If the power source-1 (1) has multiple outputs (e.g., 12V and 5V), the voltage regulator (3) can be removed from the device (C) configuration.
  • At least one solid state relay (5) is included in the device (C) configuration according to the invention for the output signal produced by the obstacle detention sensor (8) to be used by the induction heating circuit (6) without using an intermediary medium such as a microprocessor.
  • at least one mechanical relay (4) is employed for the switching function. Said mechanical relay (4) is used for energizing or de-energizing the induction heating circuit (6) using the signal received from the solid state relay (5). Since solid state relays (5) consist of a triac, they are not able to control DC current (direct current). As the induction heating circuit (6) operates with DC current, the invention comprises a mechanical relay (4) in addition to the solid state relay (5).
  • the mechanical relay (4) can be disabled since the solid state relay (5) will be sufficient by itself.
  • the output signal produced by the obstacle detection sensor (8) is controlled by microprocessors, the power source-2 (2) and one of the relays (solid state relay (5) or mechanical relay (4)) can be disabled.
  • At least one power source-2 (2) powers the mechanical relay (4).
  • DC power source is preferred as the power source-2 (2) of the invention.
  • the voltage regulator (3) is used for supplying power to the obstacle detection sensor (8), and a lower capacity power source-2 (2) is used for supplying power to the mechanical relay (4).
  • the invention comprises at least one coil (7) to create induction.
  • This coil (7) is a preferably copper coil (7) generated by the magnetic field. Copper coil is preferred as the existing system contains a DC current (direct current) induction circuit. Coil material can be changed in case AC current (alternating current) induction is preferred. Said coil (7) also forms the container where the sterilization operation takes place.
  • the coil (7) receives voltage from said induction heating circuit (6). In prior art applications, resistors or infrared heat sources are used for this purpose. However, the device (C) according to the invention does not require any heat source.
  • At least one fan (9) is configured on said coil (7) to prevent the coil (7) from heating, to cool it and to extend the useful life of the induction heating circuit (6). The fan (9) is disabled when the induction heating circuit (6) is powered to ensure the fan (9) does not lead to cross contamination by blowing air to the tip to be sterilized.
  • At least one timer circuit (10) is configured on the device (C) according to the invention to cut off the current to protect the device (C) in case of user or relay fault.
  • the timer circuit (10) activates to cut off the current in case the relay of the induction heating circuit (6) is not triggered due to extended sterilization by the operator or any other fault.
  • Said timer circuit (10) is adjusted in terms of seconds to determine the maximum operating time of the device (C) each time.
  • the device (C) according to the invention can also equipped with foot switch. In that case, the power source-2 (2), the voltage regulator (3), the solid state relay (5) and the obstacle detection sensor (8) can be disabled or completely removed from the device (C).
  • DC or AC-compatible power source-1 (1), induction heating circuit (6) and coil (7) can be preferred.
  • the device (C) can take a different power rating (Watt) depending on the material to be sterilized.
  • the device (C) based on induction heating principle according to the invention guarantees that loops, needles and scalpel tips containing iron, nickel and cobalt alloys are heated to glow within a short period of time.
  • the invention is suitable for use in all types of scalpel tips available in the market.
  • loops made of pure steel and platinum may not be used with the device (C) according to the invention as they cannot block the magnetic field inside the copper coil.
  • Nickel alloy steel tips or NiChrome loops widely available in the market are recommended to be used with said device (C).
  • tips tailored to the device (C) can be designed.
  • the working principle of the device (C) involves at first the activation of the obstacle detection sensor (8) when the hand holding the loop or scalpel comes close to the container of the device (C), then the solid state relay (5) and the mechanical relay (4) are switched on. After switching on the solid state relay (5) and the mechanical relay (4), the power source-1 (1) powers the induction heating circuit (6). Power is cut off when the hand moves away from the device (C).
  • the invention relates to a device (C) for sterilizing loops, inoculation needles, automatic inoculation hoods and/or scalpel tips, characterized by comprising: ⁇ at least one induction heating circuit (6) to provide self-heating of the material to be sterilized,

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • 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)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

L'invention concerne un dispositif (C) pour stériliser des boucles, des aiguilles d'inoculation, des capots d'inoculation automatique ou des pointes de scalpel, comprenant au moins un circuit de chauffage par induction (6) qui assure un auto-chauffage du matériau à stériliser, au moins une source de puissance-1 (1) fournit de l'énergie audit circuit de chauffage par induction (6), au moins une bobine (7) qui forme le récipient pour un processus de stérilisation et crée une induction au moyen de la tension fournie par le circuit de chauffage par induction (6) et au moins un ventilateur (9) sur la bobine (7) pour empêcher la bobine (7) de chauffer, pour la refroidir et pour prolonger la durée de vie utile du circuit de chauffage par induction (6).
PCT/TR2022/050750 2021-07-14 2022-07-13 Dispositif de stérilisation fonctionnant selon le principe du chauffage par induction WO2023287387A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR2021/011508 TR2021011508A2 (tr) 2021-07-14 İndüksi̇yon isitma prensi̇bi̇ i̇le çalişan bi̇r steri̇li̇zasyon ci̇hazi
TR2021011508 2021-07-14

Publications (2)

Publication Number Publication Date
WO2023287387A2 true WO2023287387A2 (fr) 2023-01-19
WO2023287387A3 WO2023287387A3 (fr) 2023-03-16

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Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1406789A (en) * 1973-04-03 1975-09-17 Wave Energy Systems Surface sterilization
DE2911565A1 (de) * 1979-03-23 1980-09-25 Agfa Gevaert Ag Sterilisiervorrichtung fuer medizinische kleininstrumente
EP0121980B1 (fr) * 1983-03-14 1989-09-13 Japan Medical Supply Company Limited Appareil de stérilisation
JP4282036B2 (ja) * 1999-02-05 2009-06-17 株式会社ミヤデン 医学衛生関連部材の滅菌装置
CN107277956B (zh) * 2011-12-28 2021-02-05 雅培制药有限公司 利用感应加热来减少生物携带的方法和设备
KR102034798B1 (ko) * 2018-01-08 2019-10-21 엘지전자 주식회사 제어 알고리즘이 개선된 유도 가열 장치
CN211096244U (zh) * 2019-01-15 2020-07-28 深圳市紫牛智光科技有限公司 感应式杀菌消毒装置

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WO2023287387A3 (fr) 2023-03-16

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