CA3178917A1 - Ultraviolet radiation disinfection or sanitization apparatus for personal items, uses and methods thereof - Google Patents

Ultraviolet radiation disinfection or sanitization apparatus for personal items, uses and methods thereof Download PDF

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Publication number
CA3178917A1
CA3178917A1 CA3178917A CA3178917A CA3178917A1 CA 3178917 A1 CA3178917 A1 CA 3178917A1 CA 3178917 A CA3178917 A CA 3178917A CA 3178917 A CA3178917 A CA 3178917A CA 3178917 A1 CA3178917 A1 CA 3178917A1
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Canada
Prior art keywords
disinfection
sanitization
enclosure
radiation source
irradiating
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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.)
Pending
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CA3178917A
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French (fr)
Inventor
Vincent Levesque
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Uvbox Inc
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Uvbox Inc
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Publication of CA3178917A1 publication Critical patent/CA3178917A1/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L2/00Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/26Accessories or devices or components used for biocidal treatment
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L2/00Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/08Radiation
    • A61L2/10Ultraviolet radiation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L2202/00Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/10Apparatus features
    • A61L2202/12Apparatus for isolating biocidal substances from the environment
    • A61L2202/122Chambers for sterilisation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L2202/00Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/10Apparatus features
    • A61L2202/14Means for controlling sterilisation processes, data processing, presentation and storage means, e.g. sensors, controllers, programs

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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)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Abstract

Provided are an UV-C radiation apparatus and methods providing a solution to the disinfection or sanitization of personal items, configured to avoid self-contamination and subsequent contamination of other surfaces, designed to be used at a public or private hand washing station, or other public spaces. The apparatus comprises an enclosure for receiving the personal item; the enclosure may be closed manually or automatically once the personal item is placed, and a mechanism opens the enclosure once disinfection is completed; and a UV-C radiation source within the enclosure for irradiating the item. The apparatus allows a user to disinfect or sanitize a personal item without having to touch any surfaces after disinfection or sanitization, ensuring no self-contamination.

Description

ULTRAVIOLET RADIATION DISINFECTION OR SANITIZATION APPARATUS FOR
PERSONAL ITEMS, USES AND METHODS THEREOF
CROSS-REFERENCE TO RELATED APPLICATIONS
[0001] The present disclosure claims priority to US application No.
63/025,603, filed on May 15, 2020_ This application is hereby incorporated by reference in tis entirety_ TECHNICAL FIELD
[0002] The present disclosure relates to disinfection or sanitization devices, more specifically to an ultraviolet radiation disinfection or sanitization apparatus for personal items_ BACKGROUND
[0003] Humans are facing continuous treats of ham:Wail, and in some case deadly, bacteriological and viral infections. The most dangerous germs are the newly transmitted ones for which no antidote is known_ Such treats can lead to a pandemic, as experienced in the past A pandemic can potentially lead to dramatic consequences from the lack of appropriate methods and technologies to confme and eliminate the treat without significantly impacting the safety of the population and the activities of local businesses of all sectors. Furthermore, subsequent waves of infections need to be well managed to prevent or refrain further damage to the health and wealth of the population_
[0004] Highly infectious viruses usually spread within a population by i) breathing small droplets in the air generated by an infected individi 'al or ii) touching any contaminated surface_ Unless the hands and any other succeeding touched surfaces are disinfected, the virus may reach a vulnerable entry area of the body, through the mouth, eyes or nose, and contamination will spread_ Personal items such as a smartphone, keys or credit cards may serve as an intermediate to spread contamination While the habit of washing hands is increasingly adopted by the population and hand washing stations (i.e. often a sink with soap) are available in all private and public restroon-is, there are no commercial equipment available on the market to disinfect personal items in each restroom that are safe, intuitive and affordable for any size of commercial space_
[0005] This lack of available solution for restrooms or any other hand washing stations, causes the recontamination of an individual's freshly disinfected hands as soon as the individual touches CA 03178917 2022- 11- 15 SUBSTITUTE SHEET (RULE 26) again their personal items, which will eventually contaminate other surfaces and may contribute to infect more peopl e_
[0006] In order to solve this problem, there is a need for an equipment that could disinfect personal items while washing hands. Ideally this device should be provided with any hand washing stations and should disinfect quickly and efficiently. Preferably, such a device will not require manipulation by the user to avoid further cross-contamination.
[0007] Accordingly, there is a need for an apparatus that would overcome at least one drawback of current technologies.
100081 UNT-C radiations, which is typically within the spectral range of 200 to 280 urn, are known for their disinfection properties and have been used for decades to disinfect water, air and surfaces.
UV-C disinfection process is well documented and thoroughly tested and verified scientifically.
Design compliance stani-brds exist for UV-C radiation devices. To ensure a compact disinfection device and to minimise the disinfection time, specialised UV-C radiation LEDs may be used.
SUIVIIVIARY
[0009] It has been surprisingly discovered that UV-C radiation apparatus and methods of the present application provide a solution to the disinfection or sanitization of personal items to avoid self-contamination and subsequent contamination of other surfaces, which may be touched by other individi [0010] Accordingly, the present application provides an apparatus for disinfection or sanitization of at least one object, the apparatus comprising: an enclosure including an opening and a receiving area for receiving the at least one object; a closing mechanism of the opening operable between an open position and a closed position; a UV- C radiation source within the enclosure for irradiating the at least one object in the receiving area; and a controller operatively connected to the closing mechanism and the UV-C radiation source.
[0011] The present application further includes an apparatus for disinfection or sanitization of at least one object, the apparatus comprising: an enclosure for receiving the at least one object; a closing mechanism of the enclosure operable between an open position and a closed position; and a UV-C radiation source within the enclosure for irradiating the at least one object.
100121 The present application also includes an apparatus for disinfection or sanitization of at least one object, the apparatus comprising: a receiving area for receiving the at least one object, the CA 03178917 2022- 11- 15 SUBSTITUTE SHEET (RULE 26) receiving area being configured for being accessible for a user without contacting the apparatus and for depositing the at least one object therein; a mechanism for isolating the at least one object from the user during the disinfection or sanitization; and a UV-C radiation source for irradiating the at least one object.
[0013] In an embodiment, the irradiation from the UV-C radiation source is activated when the closing mechanism is in the closed position. In another embodiment, the closing mechanism is actuated into the open position after irradiation from the UV-C radiation source is completed_ [0014] In an embodiment, the irradiation from the UV-C radiation source is activated when the at least one object is isolated. In another embodiment, the mechanism is actuated into an open position after irradiation from the UV-C radiation source is completed for the at least one object to be accessible again for the user.
[0015] In an embodiment, the apparatus further comprises a motion sensor or proximity sensor for detecting the at least one object being placed in the enclosure, the motion sensor or proximity sensor being communicatively connected for actuating the closing mechanism in the closed position when the at least one object is detected_ [0016] In an embodiment, the apparatus further comprises a motion sensor or proximity sensor for detecting the at least one object being received in the receiving area, the motion sensor or proximity sensor being communicatively connected for actuating the mechanism to isolate the at least one object when the at least one object is detected.
[0017] In an embodiment, the opening is defined be a first portion and a second portion of the enclosure being spaced apart in the open position, and the closing mechanism is provided on at least one the first portion and the second portion for moving the first portion and the second portion towards each other in the closed position.
[0018] In an embodiment, the enclosure comprises a first portion and a second portion being spaced apart in the open position, and the closing mechanism is provided on at least one of the first portion and the second portion for moving the first portion and the second portion towards each other in the closed position.
[0019] In an embodiment, the receiving area comprises a first portion and a second portion being spaced apart, and the mechanism is provided on at least one the first portion and the second portion CA 03178917 2022- 11- 15 SUBSTITUTE SHEET (RULE 26) for moving at least one of the first portion and the second portion towards each other for isolating the at least one object [0020] In an embodiment, the apparatus further comprises at least one closing means movably mounted to the enclosure. In another embodiment, the closing mechanism operates the at least one closing means between the open position and the closed position. In some embodiments, the at least one closing means is selected from a slidable door, a hinged door, a pivot door, or a folding door mechanism_ In some embodiments, the closing means maybe made of a single door or multiple doors.
[0021] In an embodiment, the mechanism for isolating the at least one object comprises a slidable door, a hinged door, a pivot door, or a folding door mechanism.
[0022] In some embodiments, the UV-C radiation source irradiates at a wavelength between about 250 to about 280 tun In an embodiment, the UV-C radiation source is generated by LED and/or a bulb and/or a plasma gas tube.
[0023] In an embodiment, the apparatus further comprises a controller operatively connected to the closing mechanism and the UV- C radiation source. In another embodiment, the apparatus further comprises a controller operatively connected to the mechanism and the UV-C radiation source. In some embodiments, the controller is a printed circuit board or a man' al on/off device.
In an embodiment, the controller is wirelessly connected to an external controller.
[0024] In an embodiment, the apparatus is mountable to a surface, a stand or is self-standing.
[0025] In an embodiment, the at least one object is selected from a smartphone, a cellphone, a key or a set of keys, a wallet, money, an identification document, and a plastic card such as an access card, an ATM card, an ID card, a credit card.
[0026] The present application further includes the use of an apparatus of the present application for disinfection or sanitization of an object.
[0027] The present application also provides a method for disinfection or sanitization of at least one object, the method comprising: placing the at least one object in an apparatus, the apparatus comprising an enclosure including an opening and a receiving area for receiving the at least one object; a closing mechanism of the opening operable between an open position and a closed position; a. UV-C radiation source within the enclosure for irradiating the at least one object in the CA 03178917 2022- 11- 15 SUBSTITUTE SHEET (RULE 26) receiving area; a controller operatively connected to the closing mechanism and the UV-C
radiation source; and irradiating the at least one object for disinfection or sanitization_ [0028] The ph...sent application also provides a method for disinfection or sanitization of at least one object, the method comprising: placing the at least one object in an apparatus, the apparatus comprising an enclosure for receiving the at least one object; a closing mechanism of the enclosure operable between an open position and a closed position; a UV-C radiation source within the enclosure for irradiating the at least one object; and irradiating the at least one object for disinfection or sanitization.
[0029] lhe present application further provides a method for disinfection or sanitization of at least one object, the method comprising: isolating from a user the at least one object to be disinfected or sanitized within an apparatus for disinfection or sanitization so that the user is isolated from UV-C radiation emitted by the apparatus for disinfection or sanitization of the at least one object;
and irradiating the at least one object km- disinfection or sa-ni ti zali on [0030] The present application also provides a method for disinfection or sanitization of at least one object, the method comprising: receiving the at least one object to be disinfected or sanitized within a receiving area of a disinfection or sanitization apparatus, the receiving area being configured for being accessible for a user without contacting the apparatus and for depositing the at least one object therein; isolating the at least one object to be disinfected or sanitized within the receiving area from the user so that the user is isolated from UV-C radiation emitted by the apparatus for disinfection or sanitization of the at least one object; and irradiating the at least one object for disinfection_ [0031] The present application also includes a method for disinfection or sanitization of at least one object, the method comprising: inserting the at least one object to be disinfected or sanitized within a receiving area of a disinfection or sanitization apparatus without contacting or touching the apparatus, thereby causing isolation of the at least one object to be disinfected or sanitized within the receiving area of the disinfection or sanitization apparatus, and activating a I JV-C
radiation emitted by the apparatus for disinfection or sanitization of the at least one object.
[0032] In some embodiments, the method further comprises actuating the enclosure in the closed position prior to irradiating the at least one object_ In other embodiments, the method further comprises actuating the enclosure in the open position after irradiating the at least one object.
CA 03178917 2022- 11- 15 SUBSTITUTE SHEET (RULE 26) [0033] In some embodiments, irradiating the at least one object is conducted for a set time of exposure_ In other embodiments, activating the UV-C radiation is conducted for a set time of exposure. In some embodiments, the set time of exposure is: 20 seconds, 30 seconds, I minute, 2 minutes, or other set time preprogrammed in the controller. In some embodiments, the set time of exposure may be selected through a user interface and/or an application wirelessly connected to the apparatus.
[0034] The present aqpplication also provides a kit comprising the apparatus as defined in the present application and instructions on how using same for disinfecting or sanitizing at least one object.
[0035] For example, the kit can further comprise a stand configured for supporting the apparatus.
[0036] For example, the kit can further comprise a hand sanitizer distributor or a hand disinfectant distributor.
BRIEF DESCRIPTION OF THE DRAWINGS
[0037] For a better understanding of the various embodiments described herein, and to show more clearly how these various embodiments may he carried into effect, reference will be made, by way of example, to the accompanying drawings which show at least one example embodiment, and which are now described. The drawings are not intended to limit the scope of the teachings described herein.
[0038] In the following drawings, which represent by way of example only, various embodiments of the disclosure:
[0039] FIG_ 1 is an exploded view of the components of an apparatus according to one embodiment of the application;
[0040] FIG. 2 is a scheme showing stages of a method according to one embodiment of the application.
[0041] The skilled person in the art will understand that the drawings, further described below, are for illustration purposes only. The drawings are not intended to limit the scope of the applicant's teachings in any way. Also, it will be appreciated that for simplicity and clarity of illustration, elements shown in the figures have not necessarily been drawn to scale_ For example, the dimensions of some of the elements may be exaggerated relative to other elements for clarity_ CA 03178917 2022- 11- 15 SUBSTITUTE SHEET (RULE 26) Further aspects and features of the example embodiments described herein will appear from the following description taken together with the accompanying drawings_ DETAILED DESCRIPTION
[0042] To promote an understanding of the principles of the disclosure, reference will now be made to the features illustrated in the drawings and no limitation of the scope of the disclosure is hereby intended_ Any alterations and further modifications, and any further applications of the principles of the disclosure as described herein are contemplated as would normally occur to one skilled in the art to which the disclosure relates. For the sake of clarity, some features not relevant to the present disclosure may not be shown in the drawings.
[0043] At the outset, for ease of reference, certain terms used in this application and their meanings as used in this context are set forth. To the extent a term used herein is not defined below, it should be given the broadest definition persons in the pertinent art have given that term as reflected in at least one printed publication or issued patent. Further, the present techniques are not limited by the usage of the terms shown below, as all equivalents, synonyms, new developments, and terms or techniques that serve the same or a similar purpose are considered to be within the scope of the present cl aims_ [0011] As one of ordinary skill would appreciate, different persons may refer to the same feature or component by different names. This document does not intend to distinguish between components or features that differ in name only. In the following description and in the claims, the terms "including" and "comprising" are used in an open-ended fashion, and thus, should be interpreted to mean "including, but not limited to.' [0045] The articles "the,- "a÷ and "an" are not necessarily limited to mean only one, but rather are inclusive and open ended to include, optionally, multiple such elements.
[0046] As used herein, the terms "approximately,- -about," "substantially,"
and similar terms are intended to have a broad meaning in harmony with the common and accepted usage by those of ordinary skill in the art to which the subject matter of this disclosure pertains. It should be understood by those of skill in the art who review this disclosure that these terms are intended to allow a description of certain features described and claimed without restricting the scope of these features to the precise numeral ranges provided_ Accordingly, these terms should be interpreted CA 03178917 2022- 11- 15 SUBSTITUTE SHEET (RULE 26)
8 as indicating that insubstantial or inconsequential modifications or alterations of the subject matter described and are considered to be within the scope of the disclosure_ [0047] "At least one, in reference to a list of one or more entities should be understood to mean at least one entity selected from any one or more of the entity in the list of entities, but not necessarily including at least one of each and every entity specifically listed within the list of entities and not excluding any combinations of entities in the list of entities_ 'This definition also allows that entities may optionally be present other than the entities specifically identified within the list of entities to which the phrase "at least one" iefet s, whether related or unrelated to those entities specifically identified. Thus, as a non-limiting example, "at least one of A and B" (or, equivalently, "at least one of A or B," or, equivalently "at least one of A
and/or B') may refer, to at least one, optionally including more than one, A, with no B present (and optionally including entities other than B); to at least one, optionally including more than one, B, with no A present (and optionally including entities other than A); to at least one, optionally including more than one, A. and at least one, optionally including more than one, B (and optionally including other entities). In other words, the phrases "at least one," "one or more," and "and/or" are open-ended expressions that are both conjunctive and disjunctive in operation_ For example, each of the expressions -at least one of A. B and C," "at least one of A. B. or C," "one or more of A. B, and C," "one or more of A, B, or C" and "A, B, and/or C" may mean A alone. B
alone, C alone, A and B together, A and C together, B and C together, A, B and C together, and optionally any of the above in combination with at least one other entity.
[0048] As used herein, the phrases "for example," as an example," and/or simply the terms "example" or "exemplary," when used with reference to one or more components, features, details, structures, methods and/or figures according to the present disclosure, are intended to convey that the described component, feature, detail, structure, method and/or figure is an illustrative, non-exclusive example of components, features, details, structures, methods and/or figures according to the present disclosure. Thus, the described component, feature, detail, structure, method and/or figure is not intended to be limiting, required, or exclusive/exhaustive; and other components, t1INI(.19ENf,'&0N,-t2.01L141-M,IcTatiallaYiLOVA1/19EL.fierAc, within the scope of the present disclosure. Any embodiment or aspect described herein as "exemplary- is not to be construed as preferred or advantageous over other embodiments.
CA 03178917 2022- 11- 15 SUBSTITUTE SHEET (RULE 26)
9 [004-9] The term "disinfection" or -disinfecting" and the expression "to disinfect" as used herein refers, for example, to the inactivation and/or destruction of the pathogen of at least 3 log of the at least one type of pathogen. A three log reduction indicates Class A
disinfection with respect to viruses, bacteria and helminth eggs (Blanker et al., 1992). An about a three log reduction means about a 99.9% reduction.
[0050] The expression "high level of disinfection" or the expression "to disinfect- as used herein refers, for example, to destroy pathogens by at least 5 log, for example where a majority of the members of the at least one type of pathogen are killed.
[0051] The term -sanitization" or the expression "to sanitize- as used herein means, for example, to inactivate or destroy the at least one type of pathogen at more than about 5 log, where, for example, almost all of the meinbers of the at least one type of pathogen are killed.
[0052] The term "inactivating" or "inactivation- or the expression "to inactivate" as used herein refers, for example, to render the at least one type of pathogen unable to grow/replicate.
[0053] The term -destroy" or "destruction" as used herein refers, for example, to kill the at least one type of pathogen.
[0054] Herein, an apparatus for disinfection of personal items is described_ Uses of the apparatus and methods for disinfecting personal items are also described.
[0055] Accordingly, the present application provides an apparatus for disinfection or sanitization of at least one object, the apparatus comprising: an enclosure including an opening and a receiving area for receiving the at least one object; a closing mechanism of the opening operable between an open position and a closed position; a UV-C radiation source within the enclosure for irradiating the at least one object in the receiving area; and a controller operatively connected to the closing mechanism and the UV-C radiation source.
[0056] The present application also includes an apparatus for disinfection or sanitization of at least one object, the apparatus comprising: an enclosure for receiving the at least one object; a closing mechanism of the enclosure operable between an open position and a closed position; and a UV-C radiation source within the enclosure for irradiating the at least one object.
[0057] The present application also provides an apparatus for disinfection or sanitization of at least one object, the apparatus conti.Kising: a receiving area for receiving the at least one object, the CA 03178917 2022- 11- 15 SUBSTITUTE SHEET (RULE 26) receiving area being configured for being accessible for a user without contacting the apparatus and for depositing the at least one object therein; a mechanism for isolating the at least one object from the user during the disinfection; and a UV-C radiation source for irradiating the at least one object.
[0058] The enclosure or receiving area may be of any shape suitable for receiving contemplated objects to be disinfected. The enclosure may comprise an opening or any foini of access to allow a user to place the object within the enclosure. In some embodiments, the opening may be defined by two parts of the enclosure being spaced apart. The closing of such an opening operates from moving one part, or both parts, towards each other such that the opening operates from an open to a close position. In one embodiment, the upper part moves downwardly towards the lower part to close the enclosure. Alternatively, the opening may be defined in the enclosure and be closable via a moving part, such as at least one sliding door, hinged door, a pivot door, a folding door mechanism and may consists of a single door or multiple doors_ The enclosure may further comprise a lock in the close position, so that it may not be opened while irradiation is undergoing.
[0059] The operation between the open and the close position may be provided by a closing mechanism. In an embodiment, the closing mechanism mechanically moves the moving parts, such as a part of the enclosure or a door, between the open and the close position. In another embodiment, the closing mechanism is programmed to operate upon certain situation. For example, the closing mechanism may be connected with a motion sensor or a proximity sensor.
The motion or proximity sensor may detect the object present in the enclosure, or movement of a user placing an object in the enclosure_ Once detected, operating of the enclosure towards the closed position may be triggered. Alternatively, operating the enclosure to the close position may be done manually by the user. Furthermore, the closing mechanism may be programmed to operate to the open position once disinfection is completed, for example after a fixed time of exposure.
The automatic opening of the enclosure allows the user to avoid touching the apparatus after disinfection. In an embodiment, the mechanism is provided for isolating the object from the user during disinfection. Isolation of the object may comprise the above operations or any suitable means to properly isolating the object so that the user is not subjected to the UV-C radiation during disinfection.
[0060] The radiation source is a UV-C radiation source. For example, the radiation source may be a specifically designed by LED, a bulb, a plasma gas tube, or any suitable UV-C radiation source.
Typically, known radiation sources usually comprise a protecting glass, but the glass should not CA 03178917 2022- 11- 15 SUBSTITUTE SHEET (RULE 26) prevent most of the LTV-C radiation from reaching the surface of the personal items aimed to be disinfected_ In one embodiment, the LTV-C radiation source irradiates at a wavelength between 250 urn to 280 um. The intensity and time of exposure of the UV-C radiation, expressed in rnT/cm2, should be sufficient to disinfect or sanitize by killing at least 98%, at least 99%, at least 99.0%, or at least 99_99% of germs on the surface of the object. For example, it can be sufficient to disinfect or sanitize by killing about 98% to about 99% or about 98_0 % to about 99.0%, or about 98.0 %
to about 99_99% of germs on the surface of the object. The time of exposure may be, for example 20 seconds, 30 seconds, I minute, 2 minutes, or other set time preprogrammed in the controller.
For example, the time of exposure may be, about 5 seconds to about 120 seconds, about 10 seconds to about 60 seconds or about 20 seconds to about 60 seconds or other set time preprogrammed in the controller In some embodiments, the set time of exposure may be selected through a user interface on the apparatus and/or an application wirelessly connected to the apparatus. In some embodiments, the radiation source is activated only when the enclosure is in the closed position for health and safety purposes so that a user or surrounding people are not subjected to irradiation.
0061] The closing mechanism or mechanism and the radiation source may be controlled by a controller_ For example, the controller may be a printed circuit board, or a manual on/off device_ The controller may be programmed at the manufacturing facilities, or the settings may be changed manually on the apparatus or wirelessly through connection via an external controller, for example a computer, a tablet, a smartphone, or the like. In some embodiments, the controller may coordinate the sequence of actions for operation of the apparatus and should be as resilient as possible to human behavior and partial or fatal failure_ The controller may co ___________________ imunicate to the user and/or maintenance staff if any failure occurs_ The controller may be linked to a user interface_ The user interface may indicate to the user what to do to operate and trigger the apparatus' sequence of actions. It may also indicate when the sequence has been successfully completed or not. The user interface may be one or multiple visual indicators, sensors and buttons interacting with and controlling the apparatus. The controller may collect, store, process, transform, analyse and communicate information through the user interface, additional sensors and components. The controller may be mechanical or electrical.
[0062] The moving parts and electronics may be powered through electrical connections. In an embodiment, the apparatus is provided with at least one of these two electrical connections:
electrical wires accessible from the back to be connected directly to a wall junction box design for wall mounted apparatuses; and/or AC power quick connector mounted on the apparatus as an alternative power supply for use with a standard wall outlet or extension cable_ CA 03178917 2022- 11- 15 SUBSTITUTE SHEET (RULE 26) [0063] In one embodiment, a communication connector besides the AC power quick connector may be provided_ This communication connector may be used to have a direct plug-in connexion with the controller for maintenance operations or changing device's settings.
A wireless communication features to access the system from proximity may also be provided, without any communication connector, using a personal PC device, for instance a tablet, phone or laptop. In some embodiments, there is provided a wireless connexion capability to access Internet and be monitored through a secured web application interface_ [0064] As will be appreciated, a light indicator may be provided, informing the user of the different modes of the apparatus: stand-by, in use, sterilizing, etc. Alternatively, a screen showing current progress or an audible signal may be included_ Any indicator within the purview of the skilled person may be included on an apparatus of the present application.
[0065] The apparatus of the present application may be mountable such that it may be hanged in designated places, or it may be sel 1-standing so that it may be put on a surface_ In some embodiment, the apparatus is mounted or placed in a public space, such as in a lavatory, washrooms, at a checkout counter, at a service counter such as building entrances, public transportation entrances, airport gates, security gates, customs gates, stores and commercial entrances, elevator lobby or the like. In another embodiment, the apparatus is mountable on a stand.
In some embodiments, the apparatus may be provided with a hand sanitizer distributor or a hand disinfecter distributor_ [0066] Accordingly, the apparatus of the present application may be used for disinfection or sanitization of personal items_ In an embodiment, the apparatus may be mounted to the wall of a public washroom, next to a sink. A user may place their personal items in the apparatus, which will get disinfected while washing their hands. Once done, the user may take the disinfected items back without touching the apparatus, and thus avoid cross-contamination. In another embodiment, an apparatus is put on a counter at a store checkout_ Upon payment, the client may put their payment card or money into the disinfection apparatus and the cashier may collect the item from the apparatus after disinfection. This may provide greater security to workers dealing with an important number of customers each thy, and also lower the risk of widely spreading gernis. This includes cashiers, but the same may be used at hotel counter, airports security and customs, or any other service counter. The apparatus of the present application may also be used as an household device, for example it may be mounted on a wall or put on a vanity in the bathroom or the kitchen.
CA 03178917 2022- 11- 15 SUBSTITUTE SHEET (RULE 26) [0067] The present application further provides a method for disinfection or sanitization of at least one object, the method comprising: placing the at least one object in an apparatus, the apparatus comprising an enclosure including an opening and a receiving area for receiving the at least one object; a closing mechanism of the opening operable between an open position and a closed position; a UV-C radiation source within the enclosure for irradiating the at least one object in the receiving area; a controller operatively connected to the closing mechanism and the UV-C
radiation source; and irradiating the at least one object for disinfection_ [0068] The present application also includes a method for disinfection or sanitization of at least one object, the method comprising: placing the at least one object in an apparatus, the apparatus comprising an enclosure for receiving the at least one object; a closing mechanism of the enclosure operable between an open position and a closed position; a UV-C radiation source within the enclosure for irradiating the at least one object; and irradiating the at least one object for disinfection.
[0069] In some embodiments of the methods ofthe present application, a user may place a personal item into the enclosure in the open position, which may then operate to the close position either manually or automatically. The personal item is submitted to UV-C radiation for a fixed period of time for disinfection. Once the fixed period is elapsed, the enclosure may go back to the open position so that the user may pick-up the disinfected item.
[0070] The present application further provides a method for disinfection or sanitization of at least one object, the method comprising: isolating from a user the at least one object to be disinfected within an apparatus for disinfection so that the user is isolated from UV-C
radiation emitted by the apparatus for disinfection of the at least cme object; and irradiating the at least one object for disinfection.
[0071] The present application also provides a method for disinfection or sanitization of at least one object, the method comprising: receiving the at least one object to be disinfected within a receiving area of a disinfection apparatus, the receiving area being configured for being accessible for a user without contacting the apparatus and for depositing the at least one object therein;
isolating the at least one object to be disinfected within the receiving area from the user so that the user is isolated from UV-C radiation emitted by the apparatus for disinfection of the at least one object; and irradiating the at least one object for disinfection.
CA 03178917 2022- 11- 15 SUBSTITUTE SHEET (RULE 26) [0072] The present application also includes a method for disinfection or sanitization of at least one object, the method comprising: inserting the at least one object to be disinfected within a receiving area of a disinfection apparatus without contacting or touching the apparatus, thereby causing isolation of the at least one object to be disinfected within the receiving area of the disinfection apparatus, and activating a UV-C radiation emitted by the apparatus for disinfection of the at least one object.
[0073] In some embodiments, a user may place a personal item into the receiving area of an apparatus of the present application such that user is isolated from UV-C
radiation emitted by the apparatus for disinfection. In some embodiments, the user does not contact the apparatus when deposing the item_ The personal item is submitted to UV-C radiation for a fixed period of time for disinfection_ Once the fixed period is elapsed, the item may become accessible so that the user may pick-up the disinfected item.
[0074] In the apparatuses, uses and methods of the present application, the object -n-ray be any personal item, including a smartphone, a cellphone, a key or a set of keys, a wallet, money, an identification document, a plastic card such as a payment card, an access card or an ID card. For example, the identification document may be a passport and the payment card may be a credit card, an ATM card, or a gift card. The dimensions of the personal items should not exceed the disinfection area available within the enclosure, or restrain the closure of the enclosure. However, manufacturing of apparatuses having different sizes of disinfection area is also contemplated, to allow for disinfection of larger items, such as a computer, a handbag, a briefcase, a wallet, keyboard and mouse, shoes, glasses, a hat, a belt, a watch, a bracelet and other jewelry, and this is within the purview of a skilled person in the art_ [0075] Referring now to FIG.1 illustrating parts of an apparatus according to an embodiment of the present application, component P1 illustrates an ultraviolet LED chips used as the source of UV-C radiation responsible for the disinfection of the personal items inserted in the apparatus by the user_ Component P2 illustrates a printed circuit board (PCB) used to solder P1 units together_ In some embodiments, there is at least lx unit P2 in the bottom section and at least lx unit P2 in the top section of the enclosure.
[0076] Component P3 illustrates a custom array of LET) chips on board that can change colors.
This light source is controlled by P5 and backlit the lens P20. Component P4 illustrates a custom array of LED chips on board that can change colors. This light source is controlled by P5 and CA 03178917 2022- 11- 15 SUBSTITUTE SHEET (RULE 26) backlit the lens of the logo of the apparatus, P19. Component P5 illustrates the LED controller for all backlit modules, i.e. P3 and P4_ P5 is connected to the main controller P6 or be directly merged to P6 as a single PCB.
[0077] Component P6 illustrates the main controller for all electrical and electronic convonents.
P6 also have embedded wireless antennas and communication interfaces for ease of programming, maintenance and mon i tori ng_ [0078] Component P7 illustrates IR sensors, which may be mounted on the sides of P29 plate or/and P2 and P33. At least 2 sensors may be needed. These proximity sensors are used to detect objects, and may serve: to confinn that the enclosure is completely closed, to detect the presence of personal items on the bottom glass P17, to detect the presence of the hand of a user inside the enclosure, if fully automated (if equipped with the automatic closing of the enclosure), to trigger a wave signal from the user to start the linear actuator P16 if fully automated.
[0079] Component PS illustrates relays that arc connected and powered by the main controller P6.
These relays change the status position of the solenoid lock P9, change the status position of the linear actuators P16 if fully automated., turn ON/OFF other couvonents of the system, turn ON/OFF the UV LF:Ds P1.
[0080] Component P9 illustrates a solenoid lock, which are mounted on each side of P29 and penetrate the plate P24 to restrict the top part of the enclosure from moving.
P9 is connected and controlled by P6.
[0081] Component P10 illustrates an AC power supply used to power the UV-C
LEDs Pl. Power capacity should be enough to P1 designed power needs. Power factor should be higher than 90%.
Conconent Pll illustrates an AC power supply used to power all the electronic components of the apparatus except UV-C LEDs PL
[0082] Component P12 illustrates a communication connector, for instance a USB
connector, which is connected to the main controller P6. This communication connector is used to have a direct plug-in connexion with the main controller for maintenance operations or changing device's settings.
[0083] Component P13 illustrates an AC power connector mounted on the bottom plate P32, which is connected to the AC power supplies P10 and P11. P13 should be caped for additional protecti on if not in use_ CA 03178917 2022- 11- 15 SUBSTITUTE SHEET (RULE 26) [0084] Component P14 illustrates a minimum of 2x units metal rods attached at each ends the anchor plates P25 and P30_ These metal rods are specifically designed as a slide rail kit with the slider P15. This kit ensures both top and bottom sections are connected strongly together, and the linear motion is smooth and stable. C,oirvonent P15 illustrates a minimum of 2x units metal slider which is part of the sliding rail kit P14. P15 is fixed to the back plate P26.
Component P16 illustrates a minimum of 2x units tubular gas spring with enough stroke range to open and close entirely the enclosure of the apparatus_ P16 are attached to the top and bottom anchor plates P25 and P30.
[0085] Component P17 illustrates a bottom glass compatible for UV applications with an optical UV-C radiation efficiency of 85% or higher. Component P18 illustrates a top glass compatible for UV applications with an optical UV-C radiation efficiency of 85% or higher.
The glasses P17 and P18 may be shock resistant and sealed to reach 1P66 as a minimum_ [0086] Component P19 illustrates acrylic, PVC or equivalent translucid material lens specifically molded for display of a logo. Component P20 illustrates acrylic. PVC or equivalent translucid material lens specifically molded for a front status indicator lighting_ Lenses P19 and P20 may be sealed to reach 1P66 as a minimum [0087] Components P21, P22, P23, P24, P25, P26, P27, P28, P30, P31, P32, P34 each illustrate a plate made of aluminum grade AL6063 or equivalent which may or not be coated with a germicide_ Surfaces may be available in different colours or anodised with different finishes.
[0088] P21 is the top cover plate of the top section_ P22 is the bottom cover plate of the top section.
Top glass P18 is sealed to this plate_ P23 is the plate used to support the LED PCB P33 of the top section as well as the backlit LEDs on the opposite side of the plate. P24 is the front cover plate of the top section which serves as a block screen of UV-C radiation_ P25 is an anchor plate of the top section which is fixed to the cover P21. P26 is the back plate of the bottom section, which is fixed to P29, P16, P27, P31. P27 is the top plate of the bottom section which is fixed to P26. Bottom glass P17 is sealed to this plate. P28 is the support plate of the bottom LED
PCB part P2. P28 is an optional plate for additional support. P30 is anchor plate of the bottom section which is fixed to the cover P32. P31 is the bottom side plate of the bottom section, which is fixed to P34, P30, P32 and P26. P32 is the bottom plate of the bottom section which is fixed to P34. This bottom plate may have electronic components attached or not. P34 is a retainer to connect all bottom section plates together: P31, P30, P32 and P26.
CA 03178917 2022- 11- 15 SUBSTITUTE SHEET (RULE 26) [0089] Component P29 illustrates the back plate of the apparatus to isolate the personal item within the boundary of the disinfection radiation beam of the apparatus_ P29 may also serve to protect the opening and closing mechanism of the apparatus. P29 is attached to P27. ..
[0090] Component P33 illustrates a glass retainer to support and seal each top and bottom glass plates P17 and P18.
[0091] Referring now to FIG.2, a method according to one embodiment of the present application is illustrated. On the images of this exemplary method, a light indicator is provided, informing the user of the different modes of the apparatus: stand-by, in use, sterilizing, etc_ Image 1 shows an apparatus of the present application being mounted on the wall of a bathroom, the enclosure being in the open position, in a stand-by mode indicated by a blue light indicator_ Image 2 shows an item, a srnartphone, being placed in the enclosure. Image 3 shows the upper part of the enclosure moving downward towards the lower portion. Image 4 shows the enclosure in the closed position, and the light indicator turning to red. Image 5 shows the irradiation in progress, the light indicator may change color proportionally indicating the progress of the disinfection. Image 6 shows the disinfection being completed, as indicated by the light indicator being completely turned to green_ Image 7 shows the upper part of the enclosure moving upward away from the lower portion. Image 8 the enclosure in the open position and disinfected item has been picked-up, triggering the initial stand-by mode indicated in blue.
[0092] While the applicant's teachings described herein are in conjunction with various embodiments for illustrative purposes, it is not intended that the applicant's teachings be limited to such embodiments as the embodiments described herein are intended to be examples. On the contrary, the applicant's teachings described and illustrated herein encompass various alternatives, modifications, and equivalents, without departing from the embodiments described herein, the general scope of which is defined in the appended claims.
CA 03178917 2022- 11- 15 SUBSTITUTE SHEET (RULE 26)

Claims

WHAT IS CLAIMED IS:
1. An apparatus for disinfection or sanitization of at least one object, the apparatus comprising:
an enclosure including an opening and a receiving area for receiving the at least one object;
a closing mechanism of the opening operable between an open position and a closed position;
a UV-C radiation source within the enclosure for irradiating the at least one object in the receiving area; and a controller operatively comiected to the closing mechanism and the UV-C
radiation source.
2. An apparatus for disinfection or sanitization of at least one object, the apparatus comprising:
an enclosure for receiving the at least one object;
a closing mechanism of the enclosure operable between an open position and a closed position; and a UV-C radiation source within the enclosure for irradiating the at least one object.
3. An apparatus for disinfection or sanitization of at least one object, the apparatus comprising:
a receiving area for receiving the at least one object, the receiving area being configured for being accessible for a user without contacting the appatatus and for depositing the at least one object therein;
a mechanism for isolating the at least one object from the user during the disinfection or sanitization; and a UV-C radiation source for irradiating the at least one object_ 4. The apparatus of claim 1 or 2, wherein irradiation frorn the UV-C
radiation source is activated when the closing mechanism is in the closed position.
5_ The apparatus of claim 1 or 2, wherein the closing mechanism is actuated into the open position after irradiation from the UV-C radiation source is completed_ 6. The apparatus of claim 3, wherein irradiation from the UV-C radiation source is activated when the at least one object is isolated.

7. The apparatus of claim 3, wherein the mechanism is actuated into an open position after irradiation from the UV-C radiation source is completed for the at least one object to be accessible again for the user.
8. The apparatus of claim 1 or 2, further con-prising a motion sensor or proximity sensor for detecting the at least one object being placed in the enclosure, the rnotion sensor or proximity sensor being communicatively connected for actuating the closing mechanism in the closed position when the at least one object is detected.
9. The apparatus of claim 3, further comprising a motion sensor or proximity sensor for detecting the at least one object being received in the receiving area, the motion sensor or proximity sensor being communicatively connected for actuating the mechanism to isolate the at least one object when the at least one object is detected.
10_ The apparatus of claim 1, wherein the opening i s defined he a first portion and a second porti on of the enclosure being spaced apart in the open position, and the closing mechanism is provided on at least one the first portion and the second portion for moving the first portion and the second portion towards each other in the closed position.
11. The apparatus of claim 2, vvherein the enclosure comprises a first portion and a second portion being spaced apart in the open position, and the closing mechanism is provided on at least one of the first portion and the second portion for moving the first portion and the second portion towards each other in the closed position 12_ The apparatus of claim 3, wherein the receiving area comprises a first portion and a second portion being spaced apart, and the mechanism is provided on at least one the first portion and the second portion for moving at least one of the first portion and the second portion towards each other for isolating the at least one object.
13_ The apparatus of claim 1 or 2, fiirther comprising at least one closing means movably mounted to the enclosure.
14_ The apparatus of claim 13, wherein the closing mechanism operates the at least one closing means between the open position and the closed position.

15_ The apparatus of claim 13, wherein the at least one closing means is selected from a slidable door, a hinged door, a pivot door, or a folding door 16. The apparatus of claim 3, wherein the mechanism for isolating the at least one object comprises a slidable door, a hinged door, a pivot door, or a folding door_ 17. The apparatus of any one of claims 1 to 3, wherein the UV-C radiation source irradiates at a wavelength between about 250 to about 280 riin.
18. The apparatus of any one of claims 1 to 3, wherein the UV-C radiation source is a TFD, a bulb or plasma gas tube.
19_ The apparatus of claim 2, further comp-1i sing a controller operatively connected to the closing mechanism and the 1IV-C radiation source_ 20_ The apparatus of claim 3, further comprising a controller operatively connected to the mechanism and the UV-C radiation source_ 21. The apparatus of any one of claims 1, 19 and 20, wherein the controller is a printed circuit board_ 22. The apparatus of claim 21, wherein the controller is wirelessly connected to an external controller.
23_ The apparatus of any one of claims 1 to 3, wherein the apparatus is mountable to a surface, a stand or is self-standing.
24. The apparatus of any one of claims 1 to 3, wherein the at least one object is selected from a smartphone, a cellphone, a key or a set of keys, a wallet, rnoney, an identification document, and a plastic card such as an access card, an ATM card, an ID card, a credit card.
25_ 1 Jse of an apparatus of any one of claims 1 to 3, for di sinfecti on or saniti zati on of an object_ 26. A method for disinfection or sanitization of at least one object, the method comprising:
placing the at least one object in an apparatus, the apparatus comprising an enclosure including an opening and a receiving area for receiving the at least one object; a closing mechanism of the opening operable between an open position and a closed position; a UV-C radiation source within the enclosure for irradiating the at least one object in the receiving area; a controller operatively connected to the closing mechanism and the UV-C
radiation source; and irradiating the at least one object for disinfection or sanitization.
27. A method for disinfection or sanitization of at least one object, the method comprising:
placing the at least one object in an apparatus, the apparatus comprising an enclosure for receiving the at least one object; a closing mechanism of the enclosure operable between an open position and a closed position; a UV-C radiation source within the enclosure for irradiating the at least one object; and irradiating the at least one object for disinfection or sanitization.
28_ A method for disinfection or sanitization of at least one object, the inethod comprising:
isolating from a user the at least one object to be disinfected within an apparatus for disinfection or sanitization so that the user is isolated from UV-C radiation emitted by the apparatus for disinfection or sanitization of the at least one object; and irradiating the at least one object for disinfection or sanitization.
29_ A method for disinfection or sanitization of at least one object, the method comprising:
receiving the at least one object to be disinfected -within a receiving area of a disinfection or sanitization apparatus, the receiving area being configured for being accessible for a user without contacting the apparatus and for depositing the at least one object therein;
isolating the at least one object to be disinfected or sanitized within the receiving area from the user so that the user is isolated from UV-C radiation emitted by the apparatus for disinfection or sanitization of the at least one object; and irradiating the at least one object for disinfection or sanitization_ 30. A method for disinfection or sanitization of at least one object, the method comprising:
inserting the at least one object to be di sinfected or sanitized within a receiving area of a disinfection or sanitization apparatus without contacting or touching the apparatus, thereby causing isolation of the at least one object to be disinfected or sanitized within the receiving area of the disinfection or sanitization apparatus, activating a UV-C radiation emitted by the apparatus for disinfection or sanitization of the at least one obj ect_ 31. The method of claim 26 or 27, further conwrising actuating the enclosure in the closed position prior to irradiating the at least one object.
32. The method of claim 26 or 27, further comprising actuating the enclosure in the open position after irradiating the at least one object.
33. The method of any one of claims 26 to 29, wherein irradiating the at least one object is conducted for a set time of exposure.
34. The method of claim 30, wherein activating the UV-C radiation is conducted for a set time of exposure.
35. The method of claim. 33 or 34, wherein the set time of exposure is: 20 seconds, 30 seconds, 1 minute, 2 minutes, or any suitable set tirne preprogrammed in a controller.
36. The method of claim 34, wherein the set time of exposure is selected through a user interface or a wirelessly connected application.
37. A kit complising the apparatus of any onc of claims 1 to 24 and instructions on how using same for disinfecting or sanitizing at least one obj ect_ 38_ The kit of claim 37, further comprising a stand configured for supporting the apparatus_ 39. The kit of claim 37 or 38, further comprising a hand sanitizer distributor or a hand disinfectant distributor_
CA3178917A 2020-05-15 2021-05-14 Ultraviolet radiation disinfection or sanitization apparatus for personal items, uses and methods thereof Pending CA3178917A1 (en)

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US7372044B2 (en) * 2006-05-17 2008-05-13 Andrew Ross UV sterilization of user interface fomites
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US10357583B2 (en) * 2014-04-28 2019-07-23 Diversey, Inc. Decontamination method and apparatus
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