WO2023101624A1 - Uv hand sterilization device with photocatalysis - Google Patents

Uv hand sterilization device with photocatalysis Download PDF

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Publication number
WO2023101624A1
WO2023101624A1 PCT/TR2021/051338 TR2021051338W WO2023101624A1 WO 2023101624 A1 WO2023101624 A1 WO 2023101624A1 TR 2021051338 W TR2021051338 W TR 2021051338W WO 2023101624 A1 WO2023101624 A1 WO 2023101624A1
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WO
WIPO (PCT)
Prior art keywords
photocatalysis
hand
sterilization device
relates
hands
Prior art date
Application number
PCT/TR2021/051338
Other languages
French (fr)
Inventor
Giuliano REGONESI
Original Assignee
Regonesi Giuliano
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 Regonesi Giuliano filed Critical Regonesi Giuliano
Priority to PCT/TR2021/051338 priority Critical patent/WO2023101624A1/en
Publication of WO2023101624A1 publication Critical patent/WO2023101624A1/en

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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
    • A61L2/0005—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor for pharmaceuticals, biologicals or living parts
    • A61L2/0011—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor for pharmaceuticals, biologicals or living parts using physical methods
    • A61L2/0029—Radiation
    • A61L2/0047—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
    • A61L2/24—Apparatus using programmed or automatic operation
    • 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

Definitions

  • This invention relates to a UV hand sterilization device with photocatalysis used for sterilization and disinfection of hands in areas requiring hygiene (hospitals, homes, offices, shopping centers, etc).
  • microorganisms The relations between microorganisms and human beings started with the first human. These microorganisms have played an important factor in the development of human health problems. For this reason, as epidemics and infectious diseases enter our lives more and more, the importance of ways to protect against these diseases increases.
  • Hand hygiene is at the beginning of getting rid of and/or minimizing diseases.
  • Hand cleaning is the first step to individual hygiene. While handwashing is important for one's own health in daily life, it also gains importance for the health of others in the working environment. In many business lines, especially in the health sector, hand-washing problems of employees can cause serious problems that threaten the society. Hospitalized patients are often in poor health, recovering from a surgery, or at high risk of infection because of weakened immune systems. Not only patient contact but also contact with furniture and surfaces in the room can cause contamination. One of the easiest and most effective ways to prevent infection is to comply with hand hygiene rules by all healthcare professionals, staff, patients and visitors.
  • the purpose of handwashing is to remove all the temporary flora and to reduce the permanent flora in number, as well as to remove the visible dirt from the hands. A one-minute washing time causes a further reduction in the number of microorganisms.
  • washing hands with soap, antimicrobial soap, or alcohol-based hand sanitizers to kill and remove temporary microorganisms are called hygienic hand washing.
  • the sterilization process of the hands is carried out by blowing the sterilized air onto the hands with the help of a photocatalytic UV lamp and various filters. It is not an adequate method for effectively sterilizing hands.
  • KR20110039612A a sterilization device for hands is mentioned.
  • the invention contains UV LED light and/or OH radical lamp, motion sensor, and surface with photocatalysis. Sterilization is carried out by applying UV light on the hand. But Ozone can be harmful to human health.
  • a self-cleaning hand sterilization device is mentioned.
  • the UV lamp turns off and the disinfectant unit and ventilation unit are activated.
  • the disinfectant unit contains nozzle and chemical solution. Disinfection of the hands is carried out by spraying the chemical liquid solution on the hands.
  • the inside of the device consists of a reflective surface. When the hands are withdrawn, the UV lamp starts to turn on and the device sterilizes itself.
  • This invention has been developed in order to eliminate these problems, considering the problems mentioned in the known status of art.
  • the subject invention uses a gel-like substance containing photocatalysis, which is a unique method for sterilization and disinfection of hands.
  • Photocatalysis is a semiconductor material that creates a strongly oxidizing (oxidizing) environment on the surface under the influence of ultraviolet (UV) light.
  • the subject invention ensures that when hands are placed in the hand disinfection box, the gel material containing photocatalysis does not stick to the hand, takes the shape of the hands, and enables the disinfection process without leaving a blind spot.
  • the subject invention enables the photocatalysis agent to self-clean and reactivates the photocatalysis by turning on the UVA lamp after the sterilization process.
  • the subject invention provides a safe disinfection method that is easy to use without harming health.
  • Figure 1 Front view of the subject invention
  • FIG. 3 Top view of the subject invention
  • the invention is comprised of body (1 ), hand disinfection box (2), photocatalysis gel containing compartment (2.1), UV-A LEDs (2.2), motion sensor (2.3), PCB board (2.4), Led screen (2.5), on off button (2.6), power cable input (2.7), plexi footboard (3) and steel stands (3.1)
  • the body (1) is the main part consisting of aluminum material, which acts as an outer scaffold for the device.
  • Hand disinfection box (2) is located on the upper part of the body (1 ) and it is the part with photocatalysis gel containing compartment (2.1 ).
  • Photocatalysis gel containing compartment (2.1 ) is the part in the hand disinfection box (2) that wraps around the hands and serves as disinfection when the hands are placed.
  • the UVA Led (2.2) is the part that radiates at a wavelength of 315-400 nm, which will enable the photocatalysis to activate and self-clean when there is no human hand.
  • the motion sensor (2.3) is the part that detects the presence of human hands and enables the UVA Leds (2.2) to start and stop when motion is detected.
  • the PCB board (2.4) located at the back of the hand disinfection box (2) and serves to transmit the necessary commands that enable the system to work.
  • the LED screen (2.5) is the part that shows the device is on-off, time, date, and the time required to complete the sterilization process.
  • On/off button (2.6); is the part located at the back of the hand disinfection box (2), which functions to turn the system on and off.
  • Power cable input (2.7); is the part located at the back of the hand disinfection box (2), which enables the system to operate with the energy it receives from the socket.
  • the plexi footboard (3) is the plate on which the person will stand.
  • the steel stands (3.1 ) are the carrier parts, one at each corner, on the plexi (3).
  • This invention is a UV hand sterilization device containing photocatalysis, and the process steps are as follows.
  • UVA LEDs (2.2) in the hand disinfection box (2) start to light, activating disinfection gel in the photocatalysis gel containing compartment (2.1).
  • the motion sensor (2.3) in the hand disinfection box (2) detects the movement and if the UVA Leds (2.2) are on, it turns off. • The person places his/her hands in the hand disinfection box (2) and the gel in the photocatalysis gel containing compartment (2.1) takes the shape of the hand and wraps it completely. Hands are sterilized by holding them inside for 5-10 seconds.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Epidemiology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Molecular Biology (AREA)
  • Medicinal Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Abstract

The invention is related to UV hand sterilization device with photocatalysis that comprises of the parts of aluminum body (1), hand disinfection box (2), photocatalysis gel containing compartment (2.1), UV-A LEDs (2.2), motion sensor (2.3), PCB board (2.4), LED screen (2.5), on/off button (2.6), power cable input (2.7), plexi footboard (3), steel stands (3.1) that provides to sterilization and disinfection of hands in areas requiring hygiene (hospitals, homes, offices, shopping centers, etc.).

Description

UV HAND STERILIZATION DEVICE WITH PHOTOCATALYSIS
Technical Field
This invention relates to a UV hand sterilization device with photocatalysis used for sterilization and disinfection of hands in areas requiring hygiene (hospitals, homes, offices, shopping centers, etc).
Known Status of Art
The relations between microorganisms and human beings started with the first human. These microorganisms have played an important factor in the development of human health problems. For this reason, as epidemics and infectious diseases enter our lives more and more, the importance of ways to protect against these diseases increases.
Hand hygiene is at the beginning of getting rid of and/or minimizing diseases.
Hand cleaning is the first step to individual hygiene. While handwashing is important for one's own health in daily life, it also gains importance for the health of others in the working environment. In many business lines, especially in the health sector, hand-washing problems of employees can cause serious problems that threaten the society. Hospitalized patients are often in poor health, recovering from a surgery, or at high risk of infection because of weakened immune systems. Not only patient contact but also contact with furniture and surfaces in the room can cause contamination. One of the easiest and most effective ways to prevent infection is to comply with hand hygiene rules by all healthcare professionals, staff, patients and visitors. The purpose of handwashing is to remove all the temporary flora and to reduce the permanent flora in number, as well as to remove the visible dirt from the hands. A one-minute washing time causes a further reduction in the number of microorganisms.
Washing hands with soap, antimicrobial soap, or alcohol-based hand sanitizers to kill and remove temporary microorganisms are called hygienic hand washing.
In recent years, a serious increase has been observed in healthcare-associated infections. Insufficient sterilization and disinfection in health institutions are extremely important for the health of the society.
For this reason, various methods are being developed to make life easier and to get rid of invisible microorganisms.
For example, in the application numbered KR2011005114A, the sterilization process of the hands is carried out by blowing the sterilized air onto the hands with the help of a photocatalytic UV lamp and various filters. It is not an adequate method for effectively sterilizing hands.
In the application numbered KR20110039612A, a sterilization device for hands is mentioned. The invention contains UV LED light and/or OH radical lamp, motion sensor, and surface with photocatalysis. Sterilization is carried out by applying UV light on the hand. But Ozone can be harmful to human health.
In the application numbered KR20110087516A, a self-cleaning hand sterilization device is mentioned. When the hands are placed on the device, the UV lamp turns off and the disinfectant unit and ventilation unit are activated. The disinfectant unit contains nozzle and chemical solution. Disinfection of the hands is carried out by spraying the chemical liquid solution on the hands. The inside of the device consists of a reflective surface. When the hands are withdrawn, the UV lamp starts to turn on and the device sterilizes itself. Aim and Definition of Invention
This invention has been developed in order to eliminate these problems, considering the problems mentioned in the known status of art.
The subject invention uses a gel-like substance containing photocatalysis, which is a unique method for sterilization and disinfection of hands. Photocatalysis is a semiconductor material that creates a strongly oxidizing (oxidizing) environment on the surface under the influence of ultraviolet (UV) light.
The subject invention ensures that when hands are placed in the hand disinfection box, the gel material containing photocatalysis does not stick to the hand, takes the shape of the hands, and enables the disinfection process without leaving a blind spot.
The subject invention enables the photocatalysis agent to self-clean and reactivates the photocatalysis by turning on the UVA lamp after the sterilization process.
The subject invention provides a safe disinfection method that is easy to use without harming health.
The structural and characteristic features and all the advantages of the invention will be understood more clearly thanks to the figures given below and the detailed explanation written by referring to these figures, and therefore this evaluation should be made by taking these figures and detailed explanations into consideration.
Auxiliary References for the Explanation of Invention
1. Body
2. Hand disinfection box
2.1. Photocatalysis gel containing compartment 2.2. UV-A LEDs
2.3. Motion sensor
2.4. PCB board
2.5. Led screen
2.6. On off button
2.7. Power cable input
3. Plexi footboard
3.1. Steel Stands
Auxiliary Figures for the Explanation of Invention
Figure 1 : Front view of the subject invention
Figure 2: Side view of the subject invention
Figure 3: Top view of the subject invention
Figure 4. Disassembled view of the subject invention
Detailed Explanation of Invention
The invention is comprised of body (1 ), hand disinfection box (2), photocatalysis gel containing compartment (2.1), UV-A LEDs (2.2), motion sensor (2.3), PCB board (2.4), Led screen (2.5), on off button (2.6), power cable input (2.7), plexi footboard (3) and steel stands (3.1)
The body (1) is the main part consisting of aluminum material, which acts as an outer scaffold for the device.
Hand disinfection box (2) is located on the upper part of the body (1 ) and it is the part with photocatalysis gel containing compartment (2.1 ).
Photocatalysis gel containing compartment (2.1 ), is the part in the hand disinfection box (2) that wraps around the hands and serves as disinfection when the hands are placed. The UVA Led (2.2) is the part that radiates at a wavelength of 315-400 nm, which will enable the photocatalysis to activate and self-clean when there is no human hand.
The motion sensor (2.3) is the part that detects the presence of human hands and enables the UVA Leds (2.2) to start and stop when motion is detected.
The PCB board (2.4) located at the back of the hand disinfection box (2) and serves to transmit the necessary commands that enable the system to work.
The LED screen (2.5) is the part that shows the device is on-off, time, date, and the time required to complete the sterilization process.
On/off button (2.6); is the part located at the back of the hand disinfection box (2), which functions to turn the system on and off.
Power cable input (2.7); is the part located at the back of the hand disinfection box (2), which enables the system to operate with the energy it receives from the socket.
The plexi footboard (3) is the plate on which the person will stand.
The steel stands (3.1 ) are the carrier parts, one at each corner, on the plexi (3).
This invention is a UV hand sterilization device containing photocatalysis, and the process steps are as follows.
• When the device is plugged in it becomes active after pressing the on/off button (2.6)
• The UVA LEDs (2.2) in the hand disinfection box (2) start to light, activating disinfection gel in the photocatalysis gel containing compartment (2.1).
• This process takes 5-10 seconds, then the UV LEDs (2.2) turn off again.
• When the person comes to the plexi footboard (3) placing area, the motion sensor (2.3) in the hand disinfection box (2) detects the movement and if the UVA Leds (2.2) are on, it turns off. • The person places his/her hands in the hand disinfection box (2) and the gel in the photocatalysis gel containing compartment (2.1) takes the shape of the hand and wraps it completely. Hands are sterilized by holding them inside for 5-10 seconds.
• When the person pulls their hands away from the device, it is detected by the motion sensor (2.3) and the UVA LEDs (2.2) start to light up again, and the photocatalysis gel containing compartment (2.1) initiates the self-sterilizing process. This process continues for 5-10 seconds and the UVA LEDs (2.2) turn off.
• Microorganisms are purified and the cleaning process is carried out.
• Information such as the remaining time of the process, the UVA led (2.2) light on and off, and the date and time are displayed on the LED screen (2.5).
The technical and all other features mentioned in each claim are followed by a reference number, and these reference numbers are used only to facilitate understanding of the claims, therefore they should not be considered as limiting the scope of any of the elements indicated by these reference numbers for exemplary purposes.
It is obvious that a person skilled in the art can demonstrate the novelty revealed in the invention by using similar embodiments and/or can apply this embodiment in other areas of similar purpose used in the art. It is therefore obvious that such embodiments will not accommodate the criterion of overcoming novelty and in particular the known status of art.

Claims

CLAIMS This invention is a UV hand sterilization device with photocatalysis, and its feature is; body (1 ), hand disinfection box (2), photocatalysis gel containing compartment (2.1 ), UVA LEDs (2.2), motion sensor (2.3), PCB board (2.4), LED screen (2.5), on/off button (2.6), power cable input (2.7), plexi footboard (3) and steel stands (3.1 ). According to Claim 1 , the invention relates to a UV hand sterilization device with photocatalysis and it is characterized by a body (1 ) made of aluminum material, which acts as an exoskeleton for the device. According to Claim 1 , the invention relates to a UV hand sterilization device with photocatalysis and it is characterized by a hand disinfection box (2) placed on the upper part of the body (1 ), which contains a photocatalysis gel containing compartment (2.1) containing gel that takes the shape of the hands. According to Claim 1 , the invention relates to a UV hand sterilization device with photocatalysis and it is characterized by a hand disinfection box (2) and contains a photocatalysis gel containing compartment (2.1) containing gel, which wraps around the hands when the hands are placed and serves as disinfection. According to Claim 1 , the invention relates to a UV hand sterilization device with photocatalysis and it is characterized by comprising of a UVA led (2.2) that radiates at a wavelength of 315-400 nm, which will enable photocatalysts to activate and self-clean when human hands are not present. According to Claim 1 , the invention relates to a UV hand sterilization device with photocatalysis and it is characterized by comprising of a motion sensor (2.3), which detects the presence of human hands and acts as UVA LEDs (2.2) and stops when motion is detected.
7 According to Claim 1 , the invention relates to a UV hand sterilization device with photocatalysis and it is characterized by comprising of PCB board (2.4) that serves to transmit the necessary commands that ensure the operation of the system located at the back of the hand disinfection box (2). According to Claim 1 , the invention relates to a UV hand sterilization device with photocatalysis and it is characterized by comprising of a LED screen (2.5) that shows the device is on I off, time, date and the time required to complete the sterilization process. According to Claim 1 , the invention relates to a UV hand sterilization device with photocatalysis and it is characterized by comprising of an on/off button
(2.6) that serves to turn the system on and off, and located at the back of the hand disinfection box (2) According to Claim 1 , the invention relates to a UV hand sterilization device with photocatalysis and it is characterized by comprising of power cable input
(2.7) that enables the system to operate with the energy it receives from the socket and located at the back of the hand disinfection box (2). According to Claim 1 , the invention relates to a UV hand sterilization device with photocatalysis and it is characterized by comprising of plexi footboard (3) on which the person will stand. According to Claim 1 , the invention relates to a UV hand sterilization device with photocatalysis and it is characterized by comprising of steel stands (3.1 ) on the plexi footboard (3), one at each corner, which acts as a carrier. The invention relates to a UV hand sterilization device with photocatalysis and it is characterized by;
When the device is plugged in, it becomes active after pressing the on/off (2.6) button,
8 • The UVA LEDs (2.2) in the hand disinfection box (2) start to light up and the photocatalysis gel containing compartment (2.1 ) becomes active,
• The process lasts for 5-10 seconds and then the UV LEDs (2.2) are turned off again,
• When the person comes to the plexi footboard (3) place, the motion sensor (2.3) in the hand disinfection box (2) detects the movement and the UVA LEDs (2.2) turn off if they are on,
• The person places his/her hands in the hand disinfection box (2) and the gel inside the photocatalysis gel containing compartment (2.1 ) takes the shape of the hand and wraps it completely,
• Sterilizing the hands by holding them inside for 5-10 seconds,
• When the person pulls his hands away from the device, it is detected by the motion sensor (2.3) and the UVA LEDs (2.2) start to light up again and the photocatalysis gel containing compartment (2.1) initiates the self-sterilizing process, and this process continues for 5-10 seconds and the UVA LEDs (2.2) off,
• Microorganisms have been sterilized and the cleaning process has been completed,
• Displaying information such as the remaining time of the operation, the date, time and the UVA led (2.2) light is on and off, on the LED screen (2.5).
9
PCT/TR2021/051338 2021-12-02 2021-12-02 Uv hand sterilization device with photocatalysis WO2023101624A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/TR2021/051338 WO2023101624A1 (en) 2021-12-02 2021-12-02 Uv hand sterilization device with photocatalysis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/TR2021/051338 WO2023101624A1 (en) 2021-12-02 2021-12-02 Uv hand sterilization device with photocatalysis

Publications (1)

Publication Number Publication Date
WO2023101624A1 true WO2023101624A1 (en) 2023-06-08

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110087516A (en) * 2010-01-26 2011-08-03 이용화 Hand sterilizer with self purifying function
JP2016141551A (en) * 2015-02-04 2016-08-08 株式会社トクヤマ Sterilization device for passenger conveyor handrail and passenger conveyor
CN106580817A (en) * 2016-11-29 2017-04-26 青岛海之星生物科技有限公司 Antibacterial hand sanitizer based on titanium dioxide/activated carbon composite material
CN212067468U (en) * 2020-01-16 2020-12-04 南安市世润机械科技有限公司 Photocatalyst hand cleaning box for hematology department
CN212547980U (en) * 2020-03-12 2021-02-19 南京纳琦环保仪器有限公司 Ultraviolet hand sterilizer

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110087516A (en) * 2010-01-26 2011-08-03 이용화 Hand sterilizer with self purifying function
JP2016141551A (en) * 2015-02-04 2016-08-08 株式会社トクヤマ Sterilization device for passenger conveyor handrail and passenger conveyor
CN106580817A (en) * 2016-11-29 2017-04-26 青岛海之星生物科技有限公司 Antibacterial hand sanitizer based on titanium dioxide/activated carbon composite material
CN212067468U (en) * 2020-01-16 2020-12-04 南安市世润机械科技有限公司 Photocatalyst hand cleaning box for hematology department
CN212547980U (en) * 2020-03-12 2021-02-19 南京纳琦环保仪器有限公司 Ultraviolet hand sterilizer

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