WO2022005311A1 - Système pour analyser la qualité du lavage des mains - Google Patents

Système pour analyser la qualité du lavage des mains Download PDF

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Publication number
WO2022005311A1
WO2022005311A1 PCT/PE2021/050009 PE2021050009W WO2022005311A1 WO 2022005311 A1 WO2022005311 A1 WO 2022005311A1 PE 2021050009 W PE2021050009 W PE 2021050009W WO 2022005311 A1 WO2022005311 A1 WO 2022005311A1
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WO
WIPO (PCT)
Prior art keywords
hands
processing unit
central processing
user
quality
Prior art date
Application number
PCT/PE2021/050009
Other languages
English (en)
Spanish (es)
Inventor
Christian Humberto FLORES VEGA
Víctor Manuel MURRAY HERRERA
Original Assignee
Universidad De Ingeniería Y Tecnología
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 Universidad De Ingeniería Y Tecnología filed Critical Universidad De Ingeniería Y Tecnología
Priority to CR20230065A priority Critical patent/CR20230065A/es
Publication of WO2022005311A1 publication Critical patent/WO2022005311A1/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
    • A61L2/24—Apparatus using programmed or automatic operation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for

Definitions

  • the present invention is developed in the technical field of systems and / or devices related to the control and improvement of the quality of hand washing.
  • patent document CN110263689A which makes mention of a method and device for hand washing control that comprises a control processing module, a camera, a tap, a cleaning liquid storage tank, where the control processing module is connected, respectively, to the chamber, the sensor, the cleaning induction, get the analysis of the hand washing by artificial intelligence identifying according to a video of the process.
  • this background does not use ultraviolet light to obtain images.
  • US6970574B1 refers to a pattern recognition system and method to monitor hand washing or the application of a disinfectant
  • this background uses trained pattern recognition technologies, such as neural networks, among its components. it includes a camera, a UV light source, a computer, an identification detector, among others.
  • this background does not comprise a box with an opening for the introduction of the hands and attenuation of the light.
  • the present invention comprises a system box, which in turn presents an opening through which the user enters one or both hands, where a source of ultraviolet light illuminates the hand (s) (s) to be analyzed and the reflected ultraviolet light waves are captured by a digital camera that obtains in real time images and videos of the hand (s) under the influence of ultraviolet light; said data is sent to a portable central processing unit to be analyzed and determine if the hand (s) are well washed; said information is sent to a modular digital display incorporated in the box that is connected to the portable central processing unit; where the digital screen allows the user to observe, in real time, how his / her hand (s) looks, indicating the areas where there is still washing to be done.
  • the portable central processing unit is also responsible for controlling the activation of the UV light source through a direct connection.
  • the system is implemented in a box of variable dimensions depending on the model to be used to analyze one hand at a time, or both hands together. This box dims the external lighting so that you can work only with the illumination of the UV light source.
  • the ultraviolet light source is artificially produced to illuminate the hands, or the hand, inside the box.
  • the reflection of ultraviolet light in areas of the unclean hands causes certain characteristic patterns to be visually observed. These patterns could be visually recognized by someone with experience in the field, but in this system they are captured by a digital camera that takes the images and videos, in real time, from the hand (s).
  • the images obtained are sent to a portable central processing unit, which extracts the corresponding patterns to be analyzed by an artificial intelligence system capable of detecting them. Through usage calibrations, the portable central processing unit determines whether or not the hand (s) are sufficiently well washed by detecting the regions of the hand (s) that comply with the requirements to be considered as well washed.
  • the information corresponding to the regions of the hand (s) well washed or not, in addition to the evaluation of the entire hand (s) is sent to a modular digital display that is connected to the central processing unit portable. On this screen, the user can observe, in real time, how his / her hand (s) looks, indicating the areas where there is still no washing, and the total evaluation of the system.
  • the entire procedure in its automatic mode, using artificial intelligence involves as a first step that the user places his / her hand (s) in the system before washing, and then at the end of washing.
  • the analysis of the hands according to the characteristics of the person, such as skin color or possible moles, are possible due to the own model of artificial intelligence developed and implemented in the invention.
  • the dirt or contaminants that can be placed on the hands can be from dust, plastic particles, grease, among others, which are not detectable with the naked eye, since they are not seen in the visible spectrum. Therefore, the present invention makes it possible to analyze whether the hands are well washed or not, detecting through the illumination with ultraviolet light traces of dirt, and, in addition, a camera with a portable processing unit capable of detecting the areas that have not yet been well washed and indicating it to the user.
  • the invention seeks to indirectly help eliminate pathogens such as viruses or bacteria that may be attached to the hand by detecting and analyzing correct hand washing.
  • An additional advantage of the present invention is that all components are integrated or incorporated into the system box, facilitating portability.
  • Figure 1 A component diagram of a preferred embodiment of the invention is shown, showing the elements that participate and how they connect to each other to interact.
  • Figure 2 An external view of a preferred embodiment of the invention is shown, where the entrance opening for hand (s) and the digital screen where the results are viewed are specifically observed.
  • the invention includes an ultraviolet light source (1) that illuminates the hand (s) to be analyzed.
  • Ultraviolet light waves are reflected off the hand (s) and these waves are captured by a digital camera (2).
  • the digital camera (2) obtains in real time images and videos of the hand (s) under the influence of ultraviolet light and this data is sent to a portable central processing unit (3) to be analyzed.
  • This portable central processing unit (3) can be a microcontroller and is also in charge of controlling the activation of the ultraviolet light source (1) through a direct connection.
  • the portable central processing unit (3) analyzes the images obtained using artificial intelligence methods.
  • the artificial intelligence algorithm implemented in the portable central processing unit (3) is configured to obtain texture and color patterns from the images, and analyzes them by regions using those patterns.
  • the portable central processing unit (3) interacts with the user through the color digital display (7) directly connected to him. Then, according to the analysis carried out, it indicates whether the hands are well washed using a first light signal (4) connected directly or if the hands are not well washed by means of a second light signal (5) connected directly.
  • the system has a modular color digital display (7), which can be directly connected to the portable central processing unit (3).
  • This digital screen (7) serves to interact in a guided and direct way with the user, in addition to displaying information in real time regarding the analysis of the hand (s); as well as the location of the areas or regions that require better washing.
  • the user For system operation, the user must enter their hands into the system through a hand entry opening (9) located in the system box (8). The user must enter their hands before starting to wash them so that the system can have an initial data, after performing the hand washing by the user, the user enters their hands again for the system to perform the analysis. This procedure reduces the intervariability errors as it adjusts to the characteristics of the user's skin.
  • the instructions are shown using the color digital display (7) indicating if the washing has been carried out correctly by means of a first light signal
  • the system can also be connected to an instruction screen (6) of text and / or images in order to send instructions to the user on correct hand washing.
  • a proximity sensor connected to the portable central processing unit (3) may be included to detect the presence of a user's hands.
  • the central processing unit could be connected with a loudspeaker to give voice washing instructions to the user.
  • a timer connected with the proximity sensor and the microcontroller could be arranged to measure the real time that a user spends in front of the system box (8).
  • Each user in the case of being a collaborator of an organization, can be equipped with an optically scannable barcode or with a Identification that can be read with an identification detector arranged in the box (8), such as a radio frequency transponder (RFID) or the like.
  • RFID radio frequency transponder
  • the ID detector can use facial recognition technology or the like to identify the collaborator. This identification detector can be connected to the central processing unit.

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  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Epidemiology (AREA)
  • Theoretical Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

La présente invention concerne un système pour analyser la qualité du lavage des mains, lequel système comprend un caisson entièrement portatif qui présente une ouverture par laquelle l'utilisateur entre ses mains, une source de lumière ultraviolette qui éclaire les mains 5 à analyser et les ondes de lumière ultraviolette reflétées sont captées par une caméra qui obtient en temps réel des images et des vidéos des mains; les données sont envoyées à une unité centrale de traitement portatif incorporée pour qu'elles soient analysées et déterminer si les mains sont bien lavées; les informations sont envoyées à un écran numérique modulaire qui se connecte à l'unité centrale 10 de traitement portatif; lequel écran numérique portatif permet à l'utilisateur d'observer, en temps réel, si les zones de la main sont bien ou mal lavées.
PCT/PE2021/050009 2020-07-01 2021-05-19 Système pour analyser la qualité du lavage des mains WO2022005311A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CR20230065A CR20230065A (es) 2020-07-01 2021-05-19 Un sistema para analizar la calidad del lavado de manos

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PE2020000886 2020-07-01
PE000886-2020/DIN 2020-07-01

Publications (1)

Publication Number Publication Date
WO2022005311A1 true WO2022005311A1 (fr) 2022-01-06

Family

ID=79321902

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/PE2021/050009 WO2022005311A1 (fr) 2020-07-01 2021-05-19 Système pour analyser la qualité du lavage des mains

Country Status (2)

Country Link
CR (1) CR20230065A (fr)
WO (1) WO2022005311A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005093681A1 (fr) * 2004-03-25 2005-10-06 Bourne Leisure Limited Systeme de surveillance de proprete et procede associe
US6970574B1 (en) * 2001-03-13 2005-11-29 Johnson Raymond C Pattern recognition system and method for monitoring hand washing or application of a disinfectant
US20130215245A1 (en) * 2010-09-27 2013-08-22 Budapesti Muszaki Es Gazdasagtudomanyi Egyetem Method and apparatus for hand disinfection quality control
EP3336817A1 (fr) * 2016-12-14 2018-06-20 HandinScan Zrt. Procédé, appareil et produit de programme informatique pour le contrôle de la qualité de la désinfection des mains

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6970574B1 (en) * 2001-03-13 2005-11-29 Johnson Raymond C Pattern recognition system and method for monitoring hand washing or application of a disinfectant
WO2005093681A1 (fr) * 2004-03-25 2005-10-06 Bourne Leisure Limited Systeme de surveillance de proprete et procede associe
US20130215245A1 (en) * 2010-09-27 2013-08-22 Budapesti Muszaki Es Gazdasagtudomanyi Egyetem Method and apparatus for hand disinfection quality control
EP3336817A1 (fr) * 2016-12-14 2018-06-20 HandinScan Zrt. Procédé, appareil et produit de programme informatique pour le contrôle de la qualité de la désinfection des mains

Also Published As

Publication number Publication date
CR20230065A (es) 2023-07-19

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