WO2023030996A1 - Dispositif de désinfection - Google Patents

Dispositif de désinfection Download PDF

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Publication number
WO2023030996A1
WO2023030996A1 PCT/EP2022/073603 EP2022073603W WO2023030996A1 WO 2023030996 A1 WO2023030996 A1 WO 2023030996A1 EP 2022073603 W EP2022073603 W EP 2022073603W WO 2023030996 A1 WO2023030996 A1 WO 2023030996A1
Authority
WO
WIPO (PCT)
Prior art keywords
objects
disinfecting device
light
detector
properties
Prior art date
Application number
PCT/EP2022/073603
Other languages
English (en)
Inventor
Ties Van Bommel
Evren ÖZCAN
Original Assignee
Signify Holding B.V.
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
Application filed by Signify Holding B.V. filed Critical Signify Holding B.V.
Publication of WO2023030996A1 publication Critical patent/WO2023030996A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/08—Radiation
    • A61L2/10—Ultraviolet radiation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/14—Plasma, i.e. ionised gases
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/24—Apparatus using programmed or automatic operation

Definitions

  • the invention relates to a disinfecting device adapted for disinfecting one or more objects in a physical area and comprising at least one UV light source configured to, in operation, emit UV light into the physical area, and at least one ion generation source configured to, in operation, generate ionized air molecules and emit the generated ionized air molecules into the physical area.
  • UV (Ultra-Violet) disinfection has become a topic of renewed interest as the demand for sterilization increases. In general, an increase has been observed in the desire to protect oneself and others from the spread of bacteria and viruses such as influenza or against the outbreak of novel viruses like the recent COVID-19 virus. Currently, the use of UV light is being considered for providing a germicidal effect within living spaces. Further, ionized air generated from an ionizer and UV light emitted from UV light sources can be used for disinfection.
  • a patient enclosure comprised of at least two spaced-apart side walls, a top wall, and a front wall, the side walls, the top wall, and the front wall defining a predetermined area surrounding a location where a patient is positionable. At least one of the walls has a panel of electrochromic glass that is switchable between a clear state, an opaque state and a reflective (mirrored) state.
  • UV radiators are provided within the area of the enclosure.
  • An air circulation system is provided for circulating air through the area defined by the enclosure.
  • a controller controls the UV radiators and the air circulation system. The controller is programmed to create one of a higher pressure or a lower pressure within the area as compared to the environment surrounding the enclosure.
  • the disinfecting device may be phrased as a light-emitting disinfecting device.
  • the level of ionized air molecule generation may be measured e.g. as an intensity of ionized air molecules generated and emitted by the at least one ion generation source.
  • exposure time is intended to refer to the period of time in which the UV light source is on and is thus emitting UV light, and in which an object irradiated by the UV light source is thus exposed to UV light.
  • object is intended to encompass in principle any feasible type of object, non-limiting examples being humans, robots, furniture such as chairs, desks, couches and the like, devices such as computers, monitors, HI-FI equipment and the like, plants, animals, etc.
  • a disinfecting device adapted for disinfecting one or more objects in a physical area and comprising at least one UV light source configured to, in operation, emit UV light into the physical area, and at least one ion generation source configured to, in operation, generate ionized air molecules and emit the generated ionized air molecules into the physical area
  • a disinfecting device of the type mentioned by way of introduction which using the at least one detector is enabled to collect information regarding different objects present near the disinfecting device, and which using the controller and the collected information is enabled to take into account the fact that different objects may have different tolerances and resistance to UV light.
  • said emitting of the ionized air molecules may alternatively be phrased as conveying the ionized air molecules.
  • the dose of ionized air molecules may comprise any one of ionized air molecule exposure time, ionized air molecule type and ionized air molecule intensity.
  • the UV light dose may comprise any one of UV light exposure time, UV light type and UV light intensity.
  • the properties of the one or more objects comprise one or more of a type of the one or more objects, one or more optical properties of the one or more objects, one or more material properties of the one or more objects and a configuration of the one or more objects
  • the configuration of the one or more objects detected by the at least one detector comprises one or more of the number of the one or more objects, the (surface) area of the one or more objects, the (surface area of the) shadow of the one or more objects, the contour of the one or more objects, and the surface texture (e.g. roughness) of the one or more objects. It has been shown that these are all particularly useful parameters related to the configuration of an object for determining the tolerance and resistance to UV light of different objects.
  • the one or more optical properties and/or the one or more material properties of the one or more objects detected by the at least one detector comprises one or more of the reflection of the one or more objects, the light absorption of the one or more objects, the color of the one or more objects, and the molecular structure of the one or more objects.
  • the reflection and/or absorption and/or the color of the one or more objects can be measured with e.g. a spectrometer.
  • the molecular structure can be measured with a suitable material analysis apparatus e.g. Raman spectroscopy, SEM ED AX, spectrometer, etc.
  • the controller is further configured such that the larger any one or more of the number of shadows of the one or more objects, the surface area of shadow of the one or more objects, the number of the one or more objects, the surface area of the one or more objects, the number of non-flat contours of the one or more objects, the surface area of non-flat contours of the one or more objects, the number of rough surface textures of the one or more objects, the surface area of rough surface textures of the one or more objects, the number of the one or more objects being colored objects, and the number of the one or more objects having a high sensitivity for UV light.
  • the higher any one or more of: the reflectivity of the one or more objects and the absorption of the one or more objects, the higher the ratio R A/B applied by the controller.
  • the controller is further configured to determine one or more further properties of the objects based on the properties of the one or more objects detected by the at least one detector.
  • a detector in the form of a camera can detect a wooden table, but perhaps not its molecular structure or its surface roughness, so a lookup in a database may be needed to determine this information.
  • the controller may therefore be configured to perform such a lookup or to determine the one or further parameters in any other suitable way, such as by image analysis or other calculations.
  • the at least one detector is a camera configured to capture an image of the physical area in which the disinfecting device is arranged.
  • a disinfecting device is provided with which a large amount of information regarding a wide variety of relevant properties may be collected in a particularly simple manner.
  • the camera may comprise a processor for processing at least one image captured of the physical area.
  • Said processor may comprise processing power and/or processing means to perform image recognition.
  • the processor may determine said one or more objects according to the invention, and/or may determine one or more properties of the one or more objects, and/or may determine a location of said one or more objects.
  • the processor may also communicate with an external server and outsource the said processing of the at least one image to said external server.
  • the detector is a radiofrequency receiver configured to receive at least one radiofrequency signal indicative of the one or more properties of the object.
  • the object may e.g. comprise a tag emitting a signal indicative of the one or more properties of the object, which said radiofrequency receiver may receive, in order to determine the one or more properties as mentioned.
  • the at least one detector comprises one or more sensors, such as at least two sensors.
  • the at least one detector may be a sensor bundle.
  • the disinfecting device comprises a presence sensor configured to overrule the action of the controller.
  • the disinfecting device may be turned down or off in case a person is moving around in the vicinity of the disinfecting device. This in turn increases the safety by lowering or eliminating the risk of persons getting exposed, particularly getting exposed directly, to the UV light and ionized particles emitted by the disinfecting device.
  • the UV light comprises any one or more of UV-C light, UV-B light and UV-A light.
  • the spectral distribution of the UV light may comprise any one or more of one or more wavelengths within the UV-C spectrum, 100 nm - 280 nm, one or more wavelengths within the UV-A spectrum, 320 nm - 400 nm, and one or more wavelengths with the UV-B spectrum, 280 nm - 320 nm.
  • UV-C light is targeted in a direction away from where people go about, e.g. towards a wall or a ceiling or close to and parallel with a ceiling, and the UV-A and/or UV-B may be targeted in a direction where people are present. Consequently, the strong germicidal effect from the UV-C light is still achieved, without posing a risk to any people.
  • deep UV-C light 200 nm - 230 nm
  • deep UV-C light may in some embodiments be targeted to where people are present.
  • the UV-C light may be far-UV light which is UV-C light in the wavelength range from 190-230 nm. Far-UV is relatively less unsafe compared to higher UV-C wavelengths. Also, the disinfection performance of the wavelength range of 190-230 nm is higher compared to higher UV-C wavelengths.
  • the UV-A may be light in the wavelength range from 340-380 nm. Light this wavelength range is relatively safer than lower UV-A wavelength range whereas it still provides good disinfection in terms of killing bacteria.
  • the at least one ion generation source is configured to, in operation, generate negatively charged air molecules, positively charged air molecules or a combination of negatively and positively charged air molecules.
  • the disinfecting device comprises one or more of at least two UV light sources configured to, in operation, emit UV light in mutually different directions, and at least two ion generation sources configured to, in operation, generate ionized air molecules and to convey or emit the generated ionized air molecules in mutually different directions.
  • the disinfecting device comprises at least two detectors configured to detect one or more properties of one or more objects in a physical area in which the disinfecting device is arranged, wherein the at least two detectors are configured to detect one or more properties of one or more objects arranged in mutually different part of the physical area in which the disinfecting device is arranged.
  • disinfecting devices comprising at least two UV light sources configured to, in operation, emit UV light in mutually different directions, and/or at least two ion generation sources configured to, in operation, generate ionized air molecules and to convey or emit the generated ionized air molecules in mutually different directions, such as to enable collection of data or information regarding objects arranged in each of the two (or more) directions in which UV light and ionized air molecules are conveyed or emitted.
  • the detector is configured to detect a property of an object
  • the controller is configured to determine a property of the object
  • the one or more properties of the one or more objects comprises a configuration of the one or more objects
  • This provides for a disinfecting device with which the lifetime of objects exposed to UV light from the disinfecting device is particularly improved. This in turn also improves the disinfection performance of the disinfecting device to a particularly high degree.
  • a luminaire or a lamp comprising a disinfecting device according to the invention.
  • the luminaire or lamp further comprises a light source emitting, when in operation, white light.
  • the white light may be emitted in one or more of the first and the second direction. Most often, however, the white light is emitted in the second direction, e.g. towards the floor.
  • the white light may have a correlated color temperature in the range from 2000 to 6000 K.
  • the white light may have a CRI of at least 80. The obtained effect is high quality light for general illumination.
  • Fig. 1 shows a schematical perspective view of a room equipped with at least one disinfecting device according to the invention.
  • Fig. 2 shows a cross-sectional side view of an embodiment of a disinfecting device according to the invention.
  • Fig. 3 shows a top view of a luminaire comprising a disinfecting device according to the invention.
  • Fig. 4 shows a cross-sectional side view of an alternative embodiment of a disinfecting device according to the invention.
  • a plurality of disinfecting devices 1 may be used to purify one or more of the air in the physical area or space and surfaces, e.g. of desks or computers or chairs, in the physical area or space.
  • the physical area or space is an office space 101, although any type of physical area or space, particularly any type of interior physical area or space, may be provided with a plurality of disinfecting devices according to the invention.
  • the terms “physical area” and “physical space” as used herein is intended to encompass any type of physical area or physical space, such as but not limited to office spaces, production spaces, shop spaces, store spaces, recreational spaces, domestic spaces such as rooms in private houses and so forth.
  • the office space comprises a ceiling 102, a plurality of luminaires 51, 52 mounted in the ceiling 102 and a plurality of track lighting luminaires 61, 62 hanging suspended from the ceiling 102.
  • a disinfecting device 1 according to the invention may be mounted in, mounted together with, integrated in or comprised in one or more of each of the luminaires 51, 52 and each of the track lighting luminaires 61, 62.
  • Disinfecting devices 1 according to the invention may alternatively, or additionally, be provided separately from the luminaires 51, 52 and the track lighting luminaires 61, 62.
  • the luminaires 51, 52, 61, 62 may be luminaires 200 of the type described further below with reference to Fig. 3.
  • the office space 101 further comprises various objects encompassing furniture and equipment, such as chairs 103, desks 104, partition walls 105, computers or displays 106, plants 107, containers with various contents such as water and fruit and so forth. Also, humans and animals may be present in the office space 101. All these various objects have different properties. Such different properties comprise a type of object, one or more material properties of the object and a configuration of the one or more objects in the space or area.
  • the configuration of the one or more objects may comprise the number of the one or more objects, the area of the one or more objects, the shadow of or cast by the one or more objects, the contour of the one or more objects, and the surface texture of the one or more objects.
  • the type of the one or more objects may comprises one or more of the reflection of the one or more objects, the light absorption of the one or more objects, the color of the one or more objects, and the molecular structure of the one or more objects.
  • the office space 101 may further optionally comprise one or more of further detector(s) 14, sensor(s) 17 and controller(s) 15, which may be coupled to and provide the disinfecting devices 1 with further information, such as further information regarding properties of one or more objects arranged in the office space 101.
  • the disinfecting device is in the embodiment shown a disinfecting light emitting device.
  • the disinfecting device 1 generally comprises at least one UV light source 2, at least one ion generation source 3, at least one detector 4 and a controller 5.
  • the disinfecting device 1 comprises one UV light source 2, one ion generation source 3, one detector 4 and a controller 5.
  • the disinfection device 1 is arranged to disinfect a physical area.
  • the UV light source 2 is configured to emit UV light 21 into the physical area.
  • the ion generation source 3 is configured to generate ionized air molecules 31 and convey or emit the ionized air molecules 31 into the physical area. Said physical area may be phrased as physical space.
  • the disinfecting device 1 is arranged within said physical area or physical space.
  • the UV light source 2 is configured to, in operation, emit UV light 21 into the space in which the disinfecting device 1 is arranged.
  • the UV light 21 generally comprises a UV light intensity and an exposure time.
  • exposure time is meant the time during which one or more objects are exposed to the UV light 21, or the time during which the at least one UV light source 2 is emitting UV light 21, i.e. is turned on.
  • the UV light comprises any one or more of UV-C light, UV-B light and UV-A light.
  • the ion generation source 3 is configured to, in operation, generate ionized air molecules 31.
  • the ion generation source 3 is configured to, in operation, convey or emit the generated ionized air molecules 31 into the space in which the disinfecting device 1 is arranged.
  • the ionized air molecules 31 may be negatively charged air molecules, positively charged air molecules or a combination thereof.
  • the ion generation source 3 is configured to provide a level A of ionized air molecule generation.
  • the level A of ionized air molecule generation may be measured e.g. in terms of intensity or number of ionized molecules generated per time unit.
  • one detector 4 is provided. In other embodiments more than one, such as two three or more, detectors 4 may be provided.
  • the at least one detector 4 is configured to detect one or more properties, such as one or more of the properties mentioned above in relation to Fig. 1, of one or more objects, such as objects 103- 107 shown in Fig. 1, in a physical area in which the disinfecting device 1 is arranged.
  • the at least one detector 4 is configured to transfer a signal indicative of the one or more properties detected to the controller 5. The signal transfer may occur using a treaded or a wireless connection.
  • the at least one detector 4 may be a camera 41 configured to capture an image of the physical area in which the disinfecting device 1 is arranged.
  • the at least one detector 4 may alternatively, or additionally, comprise one or more sensors 42 configured to detect one or more properties, such as one or more of the properties mentioned above in relation to Fig. 1, of one or more objects in a physical area in which the disinfecting device 1 is arranged.
  • the controller 5 is configured to control the ion generation source 3 to provide a level A of ionized air molecule generation.
  • the controller 5 is in other words configured to control A) a dose of ionized air molecules 31 generated by the at least one ion generation source 3.
  • the dose of ionized air molecules 31 may be expressed or measured as a level of ionized air molecule generation of the at least one ion generation source 3, or as a ionized air rate and/or exposure time of the ionized air molecules 31 generated by the at least one ion generation source 3.
  • the controller 5 is further configured to control B) a dose of UV light emitted by the at least one UV light source 2.
  • the dose of UV light 21 emitted by the at least one UV light source 2 may be measured e.g. as an intensity or an exposure time of the UV light 21 emitted by the at least one UV light source 2.
  • the controller 5 is configured to control the ion generation source 3 and the UV light source 2, and thus the parameters A and B, independently from one another, i.e. individually.
  • the controller 5 may optionally further be configured to take into account further information, such as further information regarding properties of the one or more objects, provided to the controller 5 by one or more of further detector(s) 14, sensor(s) 17 and controlled s) 15, which may be provided in the physical area as described above and shown on Fig. 1.
  • the disinfecting device 1 may further comprise an optional housing 6 for accommodating one or more of the at least one UV light source 2, the at least one ion generation source 3, the at least one detector 4 and the controller 5.
  • the disinfecting device 1 may further comprise an optional presence sensor 7.
  • the presence sensor 7 is provided and configured to overrule the action of the controller 5, especially in case of a person being detected in the vicinity of the disinfecting device 1.
  • Fig. 3 shows a luminaire 200 comprising a disinfecting device 1 according to the invention.
  • the luminaire 200 further comprises a light source 202 adapted for emitting, when in operation, white light.
  • the luminaire 200 may further optionally comprise a housing 201 for accommodating at least one of the disinfecting device 1 and the light source 202.
  • the luminaire 200 may be any suitable type of luminaire such as e.g. a wall hung luminaire, a luminaire integrated in a wall, a pendant luminaire, a luminaire integrated in a ceiling, a standing luminaire and a desktop luminaire.
  • the disinfecting device 1 of the luminaire 200 only comprises one UV light source 2, one ion generation source 3, one detector 4 and a controller 5.
  • a luminaire 200 according to the invention may however be provided with any type of disinfecting device according to the invention, such as for instance a disinfecting device according to the invention and comprising two or more UV light sources and/or two or more ion generation sources, and/or two or more detectors.
  • the disinfecting device 1’ differs from the disinfecting device 1 shown in Fig. 2 in that it comprises two UV light sources 2 and 2’, two ion generation sources 3 and 3’, and two detectors 4 and 4’.
  • the two UV light sources 2 and 2’ are arranged and configured to, in operation, emit UV light 21 and 21’, respectively, directed in mutually different directions.
  • the UV light 21 and 21’ may be identical UV light or different UV light.
  • the two UV light sources 2 and 2’ may also be arranged and configured to, in operation, emit UV light 21 and 21’, respectively, directed in substantially the same direction.
  • the two ion generation sources 3 and 3’ are arranged and configured to, in operation, generate ionized air molecules 31 and 31’, respectively, which may have different charges or a different ratio of positive and negative charges. Additionally, or alternatively, the ionized air molecules 31 and 31 ’ may be emitted in mutually different directions.
  • the two detectors 4 and 4’ are configured to detect one or more properties of one or more objects arranged in mutually different parts of the physical area in which the disinfecting device 1’ is arranged.
  • two detectors 4 and 4’ may be configured to detect one or more properties of one or more objects arranged on mutually opposite sides of a central axis X of the disinfecting device 1’.
  • the detector 4 may be configured to detect one or more properties of one or more objects arranged in a part of the physical area irradiated by UV light 21 emitted by the UV light source 2
  • the detector 4’ may be configured to detect one or more properties of one or more objects arranged in a part of the physical area irradiated by UV light 21’ emitted by the UV light source 2’.
  • the controller 5 may then be configured to control A) a level of ionized air molecule generation of the ion generation source 3, A’) a level of ionized air molecule generation of the ion generation source 3’, B) a UV light intensity and an exposure time of the UV light 21 emitted by the at least one UV light source 2, and B’) a UV light intensity and an exposure time of the UV light 21’ emitted by the at least one UV light source 2’ .
  • the controller 5 may be configured to control the ion generation sources 3 and 3’ and the UV light sources 2 and 2’ independently from one another, i.e. individually.
  • the disinfecting device may be connected wirelessly to another system, and said other system is configured to provide the required information to the controller of the disinfecting device via a wireless massage.
  • the said other system may for instance be a building management device, which may for example forward how much furniture, or how many people, or how many plants is present in the space in which the disinfecting device is arranged, and what their layout looks like.

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  • 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)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Abstract

L'invention concerne un dispositif de désinfection (1) conçu pour désinfecter un ou plusieurs objets (103-107) dans une zone physique (101) et comprenant au moins une source de lumière UV (2) configurée pour, en fonctionnement, émettre une lumière UV (21) dans la zone physique (101), et au moins une source de génération d'ions (3) configurée pour, en fonctionnement, générer des molécules d'air ionisées (31) et émettre les molécules d'air ionisées (31) générées dans la zone physique (101). Le dispositif de désinfection (1) comprend en outre au moins un détecteur (4) configuré pour détecter une ou plusieurs propriétés d'un ou de plusieurs objets (103-107) dans une zone physique (101) dans laquelle le dispositif d'émission de lumière de désinfection (1) est agencé, et un dispositif de commande (5) configuré pour contrôler individuellement A) une dose de molécules d'air ionisées générées par la ou les sources de génération d'ions (3), et B) une dose de lumière UV émise par la ou les sources de lumière UV (2), le dispositif de commande (5) étant configuré pour commander un rapport R = A/B en fonction de la ou des propriétés du ou des objets (103-107) détectées par le ou les détecteurs (4).
PCT/EP2022/073603 2021-08-31 2022-08-24 Dispositif de désinfection WO2023030996A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP21193899.8 2021-08-31
EP21193899 2021-08-31

Publications (1)

Publication Number Publication Date
WO2023030996A1 true WO2023030996A1 (fr) 2023-03-09

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150025300A1 (en) 2013-07-18 2015-01-22 American Sterilizer Company Modular patient care enclosure
US20160195856A1 (en) * 2014-01-08 2016-07-07 Yechezkal Evan Spero Integrated Docking System for Intelligent Devices
KR20160109939A (ko) * 2015-03-13 2016-09-21 (주)아성온 건물 출입구 설치용 방역장치
US20210220496A1 (en) * 2020-01-17 2021-07-22 Lg Electronics Inc. Shoe management device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150025300A1 (en) 2013-07-18 2015-01-22 American Sterilizer Company Modular patient care enclosure
US20160195856A1 (en) * 2014-01-08 2016-07-07 Yechezkal Evan Spero Integrated Docking System for Intelligent Devices
KR20160109939A (ko) * 2015-03-13 2016-09-21 (주)아성온 건물 출입구 설치용 방역장치
US20210220496A1 (en) * 2020-01-17 2021-07-22 Lg Electronics Inc. Shoe management device

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