WO2020071648A1 - Dispositif de rétroaction biologique de charge de poids corporel - Google Patents

Dispositif de rétroaction biologique de charge de poids corporel

Info

Publication number
WO2020071648A1
WO2020071648A1 PCT/KR2019/011501 KR2019011501W WO2020071648A1 WO 2020071648 A1 WO2020071648 A1 WO 2020071648A1 KR 2019011501 W KR2019011501 W KR 2019011501W WO 2020071648 A1 WO2020071648 A1 WO 2020071648A1
Authority
WO
WIPO (PCT)
Prior art keywords
weight
load
user
control unit
mode
Prior art date
Application number
PCT/KR2019/011501
Other languages
English (en)
Korean (ko)
Inventor
신명준
이민형
Original Assignee
부산대학교병원
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 부산대학교병원 filed Critical 부산대학교병원
Publication of WO2020071648A1 publication Critical patent/WO2020071648A1/fr

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/103Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/74Details of notification to user or communication with user or patient ; user input means
    • A61B5/742Details of notification to user or communication with user or patient ; user input means using visual displays
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/02Details of sensors specially adapted for in-vivo measurements
    • A61B2562/0252Load cells

Definitions

  • the present invention relates to a weight-loading biofeedback device, and more particularly, in order to examine a physical condition related to balance, four load cells and a plurality of LED bars are built in to measure the load of body weight, and the sense of balance of the measured patient Includes an output device capable of outputting a screen related to measuring weight deviation and weight, and using the measured load cell deviation to store the patient's state through the deviation according to the patient's weight movement, and multiple connections It is a technology for weight-loading biofeedback device that checks whether a patient can act according to a doctor's instructions or follow an instruction during aerobic exercise.
  • the patient's weight load is measured, the patient's balance with respect to the weight load is evaluated, and training to switch the weight load is performed.
  • Various weight loading systems have been developed for this treatment.
  • the existing weight load system is generally equipped with an analog weight scale employing the spring principle for measuring the weight load. It is provided in a way that the zero adjustment function is manually adjusted to the 0 position, and other functions than the function of measuring the weight load are not provided.
  • a digital weight scale with a load cell was developed.
  • the digital body scale has only added a function in which a weight log value is provided through a portable terminal in connection with Bluetooth.
  • the present invention has been devised to solve the problems of the prior art as described above, and measures the load of the weight, and the weight load itself including an output device capable of outputting a screen related to the measured weight load and balance sense
  • the purpose is to provide a biofeedback device.
  • the present invention is to provide a weight-bearing biofeedback device capable of confirming whether a patient can act according to directions of a doctor or the like through a plurality of connections between weight-bearing biofeedbacks or accurately follow an instruction during aerobic exercise. There is this.
  • the weight-bearing biofeedback device includes: a housing divided into quadrants each forming 90 ° based on a center; Four load cells installed in each of the quadrants to measure the weight load in each of the quadrants; A display in which the weight loads measured by the four load cells are summed and displayed as numbers; Four LED bars which are divided into a plurality of compartments and are respectively installed in the quadrant along the outer edge of the housing; A control unit that receives the weight load from the load cell and controls the display and the LED bar; And a communication unit for transmitting and receiving a command between the external server and the control unit.
  • the control unit when the static balance training mode is input, receives the deviation value of each weight load measured by the four load cells, and determines the magnitude of the deviation value. Accordingly, it is characterized in that it grasps the user's weight point and provides the real-time feedback for the user's balance training by selectively lighting the plurality of cells of the LED bar located in the same quadrant as the weight point.
  • the control unit when the balance evaluation mode is input, receives the deviation value of each weight load measured in the four load cells during the first hour, and the deviation value According to the size of the user to grasp the weight center, and performs a preparatory operation to selectively light up the plurality of cells of the LED bar located in the same quadrant where the body weight is located, and zero point after the preparatory operation Applying as a reference, tracking the position of the body weight point determined from the four load cells that change according to the user's movement during the second time period, outputting the amount of change in the body weight point during the second time period to the display, and the second time period.
  • the average position of the weight center point is calculated and the user's left and right deviations are output to the LED bar to perform the user's balance evaluation. And it characterized in that.
  • the weight-bearing biofeedback device of the present invention is a separate device including its own output device capable of measuring the load of the weight and outputting a screen related to the measured weight load and balance. It is possible to obtain information on the measured weight load data without having to have.
  • the weight-bearing biofeedback device of the present invention through a plurality of connections, it is possible to confirm whether the patient can act according to the instructions of the doctor or the like or accurately follow the instructions during aerobic exercise, thereby enabling aerobic exercise There is.
  • FIG. 1 is a view from the top of the appearance of the weight-bearing biofeedback device according to the present invention.
  • FIG. 2 is an internal configuration diagram of a weight-bearing biofeedback device according to the present invention.
  • FIG. 3 is a side view of the weight-bearing biofeedback device according to the present invention.
  • FIG. 4 is a view looking at the outer appearance of the weight-bearing biofeedback device according to the present invention.
  • FIG. 5 is a view showing the first point trend of the LED bar according to the user's weight center movement in the weight-load biofeedback device according to the present invention.
  • FIG. 6 is a view showing the transition of the second point of the LED bar according to the user's weight center movement in the weight-load biofeedback device according to the present invention.
  • FIG. 8 is a view showing a plurality of weight-bearing biofeedback devices provided to provide aerobic exercise function through multiple connections according to the present invention.
  • FIG. 9 is a flow chart of a weight measurement mode performed by the weight-bearing biofeedback device according to the present invention.
  • FIG. 10 is a flow chart of a static balance training mode performed by the weight-bearing biofeedback device according to the present invention.
  • FIG. 11 is a flow chart of a balance evaluation mode performed by the weight-bearing biofeedback device according to the present invention.
  • FIG. 12 is a flow chart of aerobic exercise mode performed in the weight-bearing biofeedback device according to the present invention.
  • FIG. 13A is a flow chart of an aerobic exercise mode (server mode) performed by the weight-bearing biofeedback device according to the present invention.
  • FIG. 13B is a flowchart of an aerobic exercise mode (client mode) performed in the weight-loading biofeedback device according to the present invention.
  • the housing 12 is divided into quadrants that each form 90 ° with respect to the center;
  • Four load cells (4) are installed in each of the quadrants to measure the weight load in each of the quadrants;
  • a display 9 for summing the weight loads measured by the four load cells 4 and displaying them as a number;
  • Four LED bars (10) which are divided into a plurality of compartments and are respectively installed in the quadrant along the outer edge of the housing;
  • a control unit (1) for receiving the weight load from the load cell (4) and controlling the display (9) and the LED bar (10);
  • a communication unit 8 for wirelessly transmitting and receiving commands between the external server 12 and the control unit 1.
  • the quadrant is a concept that can be easily understood by a person skilled in the art, and refers to a plane divided into four by dividing the plane into x-axis (horizontal) and y-axis (vertical) by recognizing the plane as a rectangular coordinate plane.
  • the top surface is defined as the first surface, and is defined as the second surface, the third surface, and the fourth surface in the clockwise direction.
  • the control unit 1 controls the LED bar 10 to output the weight load measured by the load cell 4 located in the same quadrant as the LED bar 10.
  • control unit (1) according to the user's input, the weight measurement mode, the static balance training mode to evaluate the balance by measuring the deviation of the weight, the balance evaluation mode, the LED light that was lit when the user's weight load is detected By turning off (10), one of the aerobic exercise modes inducing the user's movement can be performed.
  • the load cell 4 includes a first load cell 4-1 located on the first surface, a second load cell 4-2 located on the second surface, and a third load cell 4 located on the third surface. -3), and a fourth load cell 4-4 located on the fourth surface.
  • the LED bar 10 is provided in a form in which a member extending in the x-axis direction and a member extending in the y-axis direction are respectively combined, and the first surface of the first surface to output data of the first load cell 4-1 is provided.
  • the first LED bars (10-1-1, 10-1-2) installed along the outside, and the second installed along the outside of the second surface to output data of the second load cell (4-2) LED bar (10-2-1, 10-2-2), a third LED bar (10-3-) installed along the outside of the third surface to output data of the third load cell 4-3 1, 10-3-2), a fourth LED bar (10-4-1, 10-4-2) installed along the outside of the fourth surface to output data of the fourth load cell 4-4 ).
  • the LED bar 10 is divided into a plurality of compartments, and is provided so that only a part of it is lit to indicate the degree of deviation of the weight load.
  • the LED bar 10 is provided to grasp the position of the user's weight center to determine the degree of deviation.
  • a plurality of cells are selectively turned on according to the user's weight center, and lit according to the movement of the user's weight center. The trend is as shown in FIGS. 5 to 7.
  • the 'X' sign means the user's weight center, and the color displayed on the LED bar 10 means lighting.
  • the weight center is located in the center of the quadrant, that is, it is located in any one of the first to fourth surfaces, but is in a central position rather than an edge of the load cell 4, corresponding The entire LED bar of the surface is lit.
  • the center of gravity is located between any two of the first to fourth surfaces, but not at the edge of the load cell 4, the whole LED bar of the two surfaces is lit.
  • the communication unit 8 is a configuration for a wireless communication connection for transmitting and receiving commands between the external server 12 and the control unit 1, for example, a Bluetooth module, wifi, BT, etc. may be used.
  • the weight-bearing biofeedback device may further include a signal amplifying unit 3 for amplifying the signals of the four load cells 4 and transmitting them to the control unit 1.
  • the signal amplification unit 3 may be provided in each of the four quadrants to amplify the signals for the four load cells 4 respectively located in the quadrants.
  • the weight-bearing biofeedback device inputs any one of a weight measuring mode, a static balance training mode, a balance evaluation mode, and an aerobic exercise mode from a power supply unit 5 for connecting or disconnecting power.
  • the mode input unit 6 to be transmitted to 1) and the user may further include a zero adjustment unit 7 to initialize the zero point as a reference for accurate measurement before measuring the weight load on the load cell 4.
  • Each of the power supply unit 5, the mode input unit 6, and the zero adjustment unit 7 may be provided as buttons that can be operated by a user, and may be provided as separate button units.
  • the weight-bearing biofeedback device is provided in multiple pieces, and may be multiple-connected to one external server 11 through each communication unit 8.
  • the external server 11 may induce a user's activity by transmitting a command to any one of the multiple weight-connected biofeedback devices 1.
  • each communication unit 8 and the external server 11 are connected to each of the individual communication units 8 and the external server 11, so that they can be multiplexed by the number of weight-bearing biofeedback devices.
  • each communication unit 8 and the external server 11 is composed of one weight-loading biofeedback device operated as a host and a plurality of other weight-loading biofeedback devices operated as a client, only the host. It is connected to the external server 11 and the client is connected to the host to perform multiple connections more quickly.
  • control unit 1 in which the weight-bearing biofeedback device according to the present invention performs a weight measurement mode, a static balance training mode, a balance evaluation mode, and an aerobic exercise mode will be described in detail.
  • the weight measurement mode is automatically performed when there is no user's mode input, and in the weight measurement mode, the control unit 1 measures each of the four load cells 4 It is configured to output the sum of the weight load on the display (9). That is, if there is a user's mode input, the control unit 1 performs the input mode.
  • control unit 1 may generate weight log data for comparison with the previously measured weight load, and transmit it to the external server 11.
  • the control unit 1 receives the deviation value of each weight load measured by the four load cells 4. Thereafter, the control unit 1 grasps the location of the user's weight center in the load cell 4 according to the size of the input deviation value. Then, it is configured to selectively turn on the plurality of cells of the LED bar 10 located in the same quadrant where the weight center is located to provide real-time feedback for the user's balance training. Specifically, the control unit 1 has an effect of classifying the magnitude (how far from the center) of the deviation value of the weight load measured by the load cell 4 located in each quadrant.
  • control unit 1 may generate static balance log data for comparison with the static balance training mode previously measured and transmit it to the external server 11.
  • the control unit 1 first, for the first time, the weight value of the deviation measured by each of the four load cells (4) Upon receiving the input, a user's weight center is grasped according to the size of the deviation value, and a preparation operation for selectively lighting the plurality of cells of the LED bar located in the same quadrant as the weight center is performed.
  • the body weight point for the second time It is configured to output the amount of change to the display (9), calculate the average position of the weight center during the second time, and output the left and right bias of the user to the LED (10) to perform the user's balance evaluation. That is, in the balance evaluation mode, the static balance training mode is performed for the first time as a preparation operation, and then the balance is evaluated without the lighting of the LED 10 for the second time after the zero point adjustment, and the result is finalized. Is to output to
  • the control unit 1 measures the user's weight load on the load cell 4 for 5 seconds. At this time, as in the static balance training mode described above, the control unit 1 grasps the position of the user's weight center according to the deviation value of each weight load measured by the four load cells 4, and the weight score is The plurality of cells of the LED bar 10 positioned in the same quadrant as the positioned quadrant are selectively lit to provide feedback on the balance maintenance state of the user before the actual balance evaluation.
  • the control unit 1 tracks the change in the user's weight point for the second time, preferably 10 seconds, for a substantial balance evaluation. At this time, it is important not to light the LED bar 10 so that the user can not grasp the location of his or her weight center.
  • the controller 1 outputs a change in the weight center to the display 9 to express the tracked result explicitly, calculates the average of the weight center, and calculates the average of the weight center, where the user's bias is further inclined. Is to output through the LED bar (10).
  • the control unit 1 when the aerobic exercise mode is input, the control unit 1 receives an identification number from the external server 11 through the communication unit 8, and the external server ( 11) and performs multiple connections between the weight-bearing biofeedback device provided with a plurality of dogs.
  • the weight-loading biofeedback device corresponding to the identification number transmitted from the external server 11 is activated. Accordingly, in the activated weight-bearing biofeedback device, when the control unit 1 lights up the LED 10 and the load cell 4 detects a weight load, the control unit 1 lights up. Turn off the LED bar (10).
  • a user in the aerobic exercise mode, can provide an aerobic exercise program through tracking of the LED bar 10, and the user moves to the lighted load cell 4 in the aerobic exercise mode to move the load cell 4 ) Can be transmitted to the external server 11 by scoring the reaction time and accuracy data so that it is turned off.
  • the external server 11 may individually call the weight-bearing biofeedback devices in the order of identification number, or is relatively weak due to the deviation of the weight load measured in the static balance training mode and the balance evaluation mode.
  • the exercise program can be modified by intensively calling the weight-bearing biofeedback device at the corresponding location.
  • the weight-bearing biofeedback device may be placed on a wall rather than on the floor to promote upper limb movement.
  • the aerobic exercise mode operates one weight-loading biofeedback device in a server mode and the remaining plurality of weight-loading biofeedback devices in a client mode, thereby providing the externally loaded server 11 and a plurality of weight-loading biofeedback devices.
  • Multiple connections between devices can be performed more easily.
  • Fig. 13A shows the operation algorithm in the server mode
  • Fig. 13B shows the operation algorithm in the client mode.
  • the weight-load biofeedback device set to the server mode is multi-connected with a plurality of clients by replacing the functions of the external server, and assigns individual identification numbers to each client. Perform aerobic exercise mode by calling randomly.
  • the client mode as shown in Figure 13b, similar to the conventional aerobic exercise mode, aerobic exercise mode in a manner that turns on the LED bar upon receiving an individual identification number from the weight-loading biofeedback device set to the server mode.
  • the weight-load biofeedback device set to the server mode and the client mode transmits a light-off event to the weight-load biofeedback device set to the server mode when the LED is turned off, in the client mode.
  • an algorithm configured to light up the LED bar by randomly calling again may be included.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dentistry (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Rehabilitation Tools (AREA)

Abstract

La présente invention concerne un dispositif de rétroaction biologique de charge de poids corporel et, plus spécifiquement, fournit une technologie concernant un dispositif de rétroaction biologique de charge de poids corporel, le dispositif ayant quatre capteurs et de multiples barres LED intégrés de façon à inspecter une condition physique liée au sens de l'équilibre, ce qui permet de mesurer la charge de poids corporel ; le dispositif comprend un dispositif de sortie capable de délivrer en sortie un écran associé au sens de l'équilibre mesuré d'un patient, ce qui permet de mesurer le poids corporel et l'écart du poids corporel ; l'état d'équilibre du patient est stocké par l'intermédiaire d'un écart résultant du mouvement du poids corporel du patient à l'aide d'un écart de capteur mesuré ; et il est confirmé, par l'intermédiaire de multiples connexions, si le patient peut effectuer ou non des activités selon des instructions provenant d'un docteur en médecine, par exemple, ou peut suivre avec précision des instructions pendant un exercice aérobie. [Dessin représentatif] figure 1
PCT/KR2019/011501 2018-10-01 2019-09-05 Dispositif de rétroaction biologique de charge de poids corporel WO2020071648A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020180116903A KR102189401B1 (ko) 2018-10-01 2018-10-01 체중부하 바이오피드백 장치
KR10-2018-0116903 2018-10-01

Publications (1)

Publication Number Publication Date
WO2020071648A1 true WO2020071648A1 (fr) 2020-04-09

Family

ID=70055567

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2019/011501 WO2020071648A1 (fr) 2018-10-01 2019-09-05 Dispositif de rétroaction biologique de charge de poids corporel

Country Status (2)

Country Link
KR (1) KR102189401B1 (fr)
WO (1) WO2020071648A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040163855A1 (en) * 2002-12-02 2004-08-26 Conair Corporation Balance control system for weight scales
KR20080028577A (ko) * 2006-09-27 2008-04-01 김대성 운동 컨설팅 시스템 및 방법
KR20170002742A (ko) * 2015-06-29 2017-01-09 한국표준과학연구원 족압을 이용한 스마트 신발 시스템, 족압을 이용한 스마트 신발, 제조방법 및 그 제어방법
KR20170038986A (ko) * 2015-09-30 2017-04-10 몬트롤 주식회사 8채널 감지형 포스플레이트와 사용자모션추적형 고속카메라모듈로 이루어진 하이브리드형 스마트 밸런스 분석장치
KR101786846B1 (ko) * 2017-04-07 2017-11-15 (주)아이투에이시스템즈 힘센서를 이용한 양발의 밸런스 추정 방법 및 이를 적용한 발판 시스템

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200215314Y1 (ko) 2000-09-08 2001-03-02 주식회사휴먼테크 전자식 자세균형 진단장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040163855A1 (en) * 2002-12-02 2004-08-26 Conair Corporation Balance control system for weight scales
KR20080028577A (ko) * 2006-09-27 2008-04-01 김대성 운동 컨설팅 시스템 및 방법
KR20170002742A (ko) * 2015-06-29 2017-01-09 한국표준과학연구원 족압을 이용한 스마트 신발 시스템, 족압을 이용한 스마트 신발, 제조방법 및 그 제어방법
KR20170038986A (ko) * 2015-09-30 2017-04-10 몬트롤 주식회사 8채널 감지형 포스플레이트와 사용자모션추적형 고속카메라모듈로 이루어진 하이브리드형 스마트 밸런스 분석장치
KR101786846B1 (ko) * 2017-04-07 2017-11-15 (주)아이투에이시스템즈 힘센서를 이용한 양발의 밸런스 추정 방법 및 이를 적용한 발판 시스템

Also Published As

Publication number Publication date
KR102189401B1 (ko) 2020-12-11
KR20200037552A (ko) 2020-04-09

Similar Documents

Publication Publication Date Title
JP5080196B2 (ja) プログラム、情報処理装置、情報処理システムおよび情報処理方法
WO2012015247A2 (fr) Système portable de mesure et de commande d'ondes cérébrales
WO2013122327A1 (fr) Système de test de condition physique à l'aide de système de capteur d'accélération
WO2014171696A1 (fr) Procédé pour mesurer si une démarche anormale est présente
WO2013133583A1 (fr) Système et procédé de réhabilitation cognitive par interaction tangible
KR20130125762A (ko) Cpr 모니터링 시스템
US9439594B2 (en) Work capacities testing apparatus and method
WO2017146498A1 (fr) Dispositif de gestion d'exercice utilisant un hula hoop doté d'un dispositif permettant de mesurer le sens de rotation et la quantité d'exercice
WO2015030507A1 (fr) Dispositif d'évaluation d'entraînement postural et appareil de rééducation le comprenant
WO2023167553A1 (fr) Système d'escalade sur écran basé sur une mesure de moment
EP1729643A2 (fr) Appareil et procede permettant de tester les capacites de travail
WO2020071648A1 (fr) Dispositif de rétroaction biologique de charge de poids corporel
CN107945601A (zh) 交互式心肺复苏术教学辅具装置
WO2024090881A1 (fr) Outil d'apprentissage pour l'amélioration des troubles du spectre de l'autisme
WO2016140389A1 (fr) Dispositif portable et système de surveillance d'utilisateur
WO2021086155A2 (fr) Procédé/système de thérapie et d'évaluation de rééducation basée sur ict utilisant des cônes d'empilement à double tâche
WO2022105063A1 (fr) Système de gestion de la santé à domicile de la vie quotidienne à quatre éléments basé sur l'humain
WO2018066978A1 (fr) Système de fourniture d'informations de santé par mesure de la pression plantaire
WO2017217567A1 (fr) Système de surveillance de la condition physique
WO2023128185A1 (fr) Procédé d'administration de thérapie numérique
WO2022196879A1 (fr) Appareil de simulation de réanimation cardio-pulmonaire et système de formation à la réanimation cardio-pulmonaire l'utilisant
WO2016204334A1 (fr) Système d'exercice basé sur des contenus interactifs immersifs et procédé associé
WO2016064175A1 (fr) Méthode de test de capacité motrice et système de test de capacité motrice
WO2021015451A1 (fr) Unité de mesure de déséquilibre corporel et procédé de mesure correspondant
WO2015026000A1 (fr) Appareil d'éducation sanitaire

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19868702

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205 DATED 27.05.2021)

122 Ep: pct application non-entry in european phase

Ref document number: 19868702

Country of ref document: EP

Kind code of ref document: A1