WO2015092125A1 - Dispositif de surveillance de brosse à dents, appareil et procédé - Google Patents

Dispositif de surveillance de brosse à dents, appareil et procédé Download PDF

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Publication number
WO2015092125A1
WO2015092125A1 PCT/FI2014/050969 FI2014050969W WO2015092125A1 WO 2015092125 A1 WO2015092125 A1 WO 2015092125A1 FI 2014050969 W FI2014050969 W FI 2014050969W WO 2015092125 A1 WO2015092125 A1 WO 2015092125A1
Authority
WO
WIPO (PCT)
Prior art keywords
brushing
toothbrush
monitoring device
results
indicator
Prior art date
Application number
PCT/FI2014/050969
Other languages
English (en)
Inventor
Juha-Pekka Puurunen
Teijo Viljanen
Original Assignee
Brushgate Oy
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 Brushgate Oy filed Critical Brushgate Oy
Publication of WO2015092125A1 publication Critical patent/WO2015092125A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B15/00—Other brushes; Brushes with additional arrangements
    • A46B15/0002—Arrangements for enhancing monitoring or controlling the brushing process
    • A46B15/0004—Arrangements for enhancing monitoring or controlling the brushing process with a controlling means
    • A46B15/0006—Arrangements for enhancing monitoring or controlling the brushing process with a controlling means with a controlling brush technique device, e.g. stroke movement measuring device
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B15/00—Other brushes; Brushes with additional arrangements
    • A46B15/0002—Arrangements for enhancing monitoring or controlling the brushing process
    • A46B15/0038—Arrangements for enhancing monitoring or controlling the brushing process with signalling means
    • A46B15/0044—Arrangements for enhancing monitoring or controlling the brushing process with signalling means with light signalling means
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/10—For human or animal care
    • A46B2200/1066—Toothbrush for cleaning the teeth or dentures

Definitions

  • This invention relates to a solution for handling information generated by a toothbrush monitoring device capable of monitoring use of a toothbrush associated with the monitoring device.
  • a monitoring device may assist a user to determine whether or not the user uses the toothbrush correctly for brushing teeth.
  • a common problem with the known solutions is the reporting capability.
  • Various indicators have been used in order to inform the user about the brushing result.
  • the monitoring device needs to have a transmitter and sufficient energy for transmitting the results to the external apparatus.
  • An object of the present invention is to solve the above mentioned drawback and to provide a simple, cost efficient and reliable solution for handling brushing results. This and other objects are achieved with the toothbrush monitoring device of claim 1 , the apparatus of claim 10 and the method of claim 15.
  • a solution where the brushing results are stored in a memory of the monitoring device, and where a plurality of brushing results are retrieved from the memory and indicated with the indicator during a transmission mode makes it possible to simply and efficiently transmit brushing results from the monitoring device.
  • the same indicator which is used for indicating for a user whether or not the teeth brushing is acceptable can be utilized also for transmitting brushing results to an external device. This makes it possible to minimize the amount of additional components needed for the transmission of the results.
  • Figures 1 and 2 illustrate a toothbrush monitoring device
  • Figure 3 illustrates a system including a toothbrush monitoring device and an apparatus for handling brushing results
  • Figure 4 illustrates a second embodiment of an indicator.
  • Figures 1 and 2 illustrate a toothbrush monitoring device 1 .
  • the toothbrush monitoring device 1 may be utilized in the system of Figure 3 for handling brushing results.
  • toothbrush monitoring device 1 is utilized in connection with a conventional manual toothbrush 2, though in other embodiments it is possible to utilize the toothbrush monitoring device in connection with an electrical toothbrush.
  • the toothbrush monitoring device 1 may be an integral part of the toothbrush 2 or alternatively a separate module detachably attached to the toothbrush.
  • the toothbrush monitoring device comprises detector 5 which detects when the user indicates via the user interface 3, such as a switch, when tooth brushing starts and for a second time when tooth brushing ends.
  • the detector 5 utilizes a timer 16 for measuring the duration of the tooth brushing.
  • the detector 5 produces based on this use data indicating the duration of the tooth brushing.
  • the controller 6 compares the use data with target data indicating what the target duration for tooth brushing is, and produces a brushing result based on this comparison.
  • the indicator 4 indicates for the user whether or not the time used for brushing has been long enough and the toothbrush monitoring device stores this information into the memory 7 as a brushing result.
  • Naturally other information such as a time stamp making it possible to later on determine when the brushing occasion occurred, may be included in the brushing result that is stored in the memory 7.
  • the target data may include more than one target for each brushing occasion.
  • the target data may, for instance, include a first target of 60 seconds as a minimum duration for teeth brushing and a second target of 300 seconds as a maximum duration of teeth brushing. In that case only if the use data indicates that the duration of a brushing occasion is between 60 and 300 seconds the brushing result will indicate that brushing is accepted, and otherwise the brushing result will indicate that brushing is not accepted. This makes it possible to detect both under brushing and over brushing.
  • the monitoring device 1 includes a detector 5 with a three axis acceleration sensor producing use data, in this case signals depending on the position of the toothbrush 2 during use of the toothbrush 2.
  • a controller 6 receives the signals and identifies the teeth regions that are being brushed based on the received signals.
  • a memory 7 contains target data which is utilized by the controller when determining whether or not the performed teeth brushing is acceptable. The controller 6 may retrieve from the memory the target data for the identified teeth region that is being brushed, and based on a comparison determine if the toothbrush has made a sufficient number of brushing cycles in the teeth region in question, and if so, determine that the brushing of the teeth region in question has been accepted.
  • the teeth may be divided into four regions. Each teeth region may additionally have three different teeth surfaces, an inner surface, an outer surface and a chewing surface.
  • the toothbrush monitoring device may require that each teeth surface of a single teeth region has been sufficiently brushed before brushing of this teeth region is accepted.
  • the controller 6 determines based on the brushing results for each teeth region whether or not the performed teeth brushing is acceptable. The result is indicated for the user with the indicator 4 and additionally the brushing result is stored in the memory 7. Naturally also in this case other information, such as a time stamp obtained from the timer 10 and making it possible to later on determine when the brushing occasion occurred, may be included in the brushing result that is stored in the memory 7.
  • Figure 2 illustrates one example of how to implement an indicator 4.
  • the indicator 4 indicates the brushing result optically for the user, though also other alternatives such as sound signals may exist.
  • the indicator may consist of a display, such as an LCD display or of light emitting diodes, for instance, which illustrates the brushing result separately for each one of totally four teeth regions: upper left 10, lower left 1 1 , upper right 12 and lower right 13.
  • a teeth region sufficiently brushed is indicated with a green color and a teeth region which has not been sufficiently brushed is indicated by a red color. Therefore, as long as at least one of the teeth regions is shown in red the user realizes that the teeth brushing has not been accepted.
  • the indicator may be able to separately provide a brushing result for three teeth surfaces in each teeth region, for instance.
  • a LCD display or light emitting diodes with a capability of illustrating the brushing result separately for twelve different parts of the teeth may be utilized.
  • the monitoring device 1 may enter a transmission mode in which brushing results stored in the memory 7 are retrieved from the memory 7 and indicated with the indicator 4 as a sequence. Depending on the implementation all brushing results stored in the memory may be indicated in one sequence or alternatively, only specific brushing results may be indicated in the sequence. In the latter case a predetermined number of brushing results may be indicated or alternatively only such brushing results that have not previously been indicated during a transmission mode.
  • the transmission mode may be entered automatically at predetermined occasions, or alternatively, when the the user presses a predetermined key or switch in the user interface 3, for instance. Once in the transmission mode, the monitoring device 1 indicates a plurality of brushing results from different brushing occasions with the indicator 4 in a sequence.
  • the brushing results are not necessarily indicated in the same way as when the indicator is used to give feedback to the user after tooth brushing.
  • the indicator may indicate the results with the indicator in a different way as compared to how it indicates the result of a single brushing for the user once the brushing has ended.
  • the results may be indicated with the indicator as a plurality of data bursts, which have such a short duration that the user is not capable of understanding them or even noticing them.
  • the brushing results may be encoded in any suitable way in order to optimize the transmission of the brushing results with the indicator to an external device recording the brushing results.
  • An apparatus which includes a recording device 14 is used for recording the brushing results indicated by the indicator 4.
  • a processing unit 8 processes and encodes the recorded brushing results and extracts information about whether or not each single brushing result indicates that the brushing at a corresponding brushing occasion has been accepted or not.
  • the processing unit produces a report indicating the results of the processing for a user.
  • the recording device 14 is a mobile phone and that the processing unit 8 is a server receiving the recorded brushing results from the mobile phone via a mobile communication network 15. If the indicator 4 is an optical indicator, the recording device 14 may record the brushing results as a video clip taken by a video camera of the mobile phone. This video clip may then be sent from the mobile phone in an email, for instance, to the processing unit 8, where the result is processed and stored. After such storing any interested and authorized person may be allowed to access the report produced by the processing unit 8 via a computer 9 over the Internet, for instance. Such a person may be a dentist, an officer of an insurance company or a parent of a child to whose teeth brushing the report relates.
  • the mobile phone may have a specific client installed such that a live video stream is transmitted to the processing unit 8 via an online connection while the monitoring device 1 is in the transmission mode. In that case it is not necessary to store any video clip in the memory of the mobile phone.
  • the mobile phone works both as the recording device and as the processing device.
  • the client installed in the mobile phone is capable of directly producing a report indicating the results of the processing for a user.
  • the user of the mobile phone may then forward the results via a suitable channel to a person interested in the report or to a server storing the report in a database, for instance.
  • the produced report includes at least information about whether or not the teeth brushings covered by the report have been acceptable or not. Additionally, the controller 6 of the monitoring device 1 may add a time stamp indicating the time of the brushing at each brushing occasion prior to restoring the brushing result in the memory. In that case the time stamps are sent with the brushing results via the indicator 4 to the processing unit such that the time of the brushings occasions are also indicated in the report.
  • the indicator indicates first a unique serial number assigned to the toothbrush, to the toothbrush head or to the monitoring device to which the brushing results relate, then the indicator indicates the brushing results with a time stamp for each brushing result, and finally a checksum which can be used to determine that no errors occur while the brushing results are forwarded with the indicator from the monitoring device to a processing unit.
  • a time stamp may be produced by the timer 16 of the monitoring device in connection with a brushing occasion.
  • the timer may be an ordinary clock directly producing a time stamp that indicates the time when brushing occurred, possibly including a date, such that this time stamp may be included into the brushing result prior to storing it into the memory.
  • the timer 16 may be a more simple device incapable of producing the exact time that brushing occurred, but instead it only works as a counter continuously increasing its count at predetermined intervals. In that case the time stamp may consist of the count of this counter, when tooth brushing started, ended or of two counts indicating both at starting and at ending.
  • a time stamp produced by the timer 16 is transmitted in the transmission mode to the recording device with the brushing results, and the recording device having a timer indicating the correct time and date registers when the time stamp is received.
  • the correct date and time corresponding to the count of the timer at that moment becomes therefore known.
  • the report may additionally include more detailed information, such as information about the positions in which the user holds the toothbrush during brushing or separately for each teeth surface of each teeth region information about how many brush strokes the monitoring device has detected for each teach surface during the different brushing occasions.
  • the monitoring device 1 is capable of detecting and including in the brushing result such information, which may be stored in the memory 7 and sent to the processing unit 8 during the transmission mode, that is not of interest for the user of the toothbrush. Therefore the indicator 4 does not necessarily indicate for the user after brushing all the information it has stored in the memory, but instead some of the information may be sent via the indicator only during in the transmission mode for use by the processing unit.
  • the brushing results may be indicated by the indicator 4 in a sequence optimized for recording with a video camera.
  • video cameras record videos with about 23 - 30 frames per second. This means that the indicator 4 may in the transmission mode display the brushing results as a sequence of indications where the duration of one indication is substantially smaller than one second.
  • the way the indicator indicates the brushing results in the transmission mode depends of the type of the used indicator and the amount of data included in each single brushing result. If the amount of data included in one brushing result is small, such as if only information about the brushing result for each one of the four teeth regions is included, then the entire information for one brushing occasion can be displayed at once with the indicator 4 of Figure 2 by illuminating the sectors 10 - 13 of the indicator 4 in red or green, depending on the brushing result for the teeth regions in question. After a time period substantially smaller than a second, the indicator can change to display the brushing result of the following brushing occasion in the sequence.
  • the monitoring device 1 may control the indicator 4 to indicate one single brushing result as a sequence of several indications, where each indication indicates a part of the brushing result of the single brushing occasion. Again each single indication may be indicated for a time period substantially smaller than a second.
  • the indicator is preferably implemented by light emitting diodes, because different colors indicated by light emitting diodes can be efficiently and accurately recorded on a video with a video camera.
  • the indicator consists of a LCD display, the result of a brushing occasion may also in this case be outputted to a user by using colors.
  • a video camera may have difficulties in accurately recording on a video different colors outputted on a LCD display. Therefore in connection with a LCD display the brushing results are preferably indicated without using colors in the transmission mode.
  • QR codes Quick Response codes
  • a QR code is a specific type of a barcode where black and white areas in a quadrate are used for coding data.
  • a QR code is machine readable and modern mobile telephones typically have a capability of reading such QR codes from advertisements, for instance, in order to direct the user of the mobile telephone to a specific web page, for instance. So instead of using colors and a LCD indicator during the transmission mode, a sufficient number of QR codes to transmit the data amount of the brushing results may be outputted on the LCD display in black and white.
  • Figure 4 illustrates a second embodiment of an indicator.
  • the indicator 4' may consist of a LED (Light Emitting Diode) circle divided into four segments or quadrants Q1 , Q2, Q3, Q4, one for each quadrant of the teeth.
  • LED Light Emitting Diode
  • Each quadrant may include at least one red and one green LED.
  • the brushing result is indicated by the indicator 4' with the green LED (brushing accepted) or with the red LED (brushing not accepted) separately for each quadrant.
  • the red R LED is illuminated to indicate that for this first quadrant brushing is not acceptable
  • the green G LED is illuminated to indicate that for these quadrants brushing is accepted
  • no LED is illuminated to indicate that brushing of this quadrant has not yet started.
  • Quadrant Q1 number of strokes for Outer side On, number of strokes on Top side Tn, number strokes for Inner side In, total brushing time time t1 (seconds), in total 24 bits for quadrant Q1 ,
  • Quadrant Q2 number of strokes for Outer side On, number of strokes on Top side Tn, number strokes for Inner side In, total brushing time time t2(seconds), in total 24 bits for quadrant Q2,
  • Quadrant Q3 number of strokes for Outer side On, number of strokes on Top side Tn, number strokes for Inner side In, total brushing time time t3(seconds), in total 24 bits for quadrant Q3, and
  • Quadrant Q4 number of strokes for Outer side On, number of strokes on Top side Tn, number strokes for Inner side In, total brushing time time t4(seconds), in total 24 bits for quadrant Q4.
  • a format as illustrated above leads to storage of 14 bytes of data as the brushing result for one tooth brushing session.
  • the data included in the brushing results may be forwarded by the indicator in frames consisting of: start byte, brush identifier, time stamp n, 1 . Q, 2. Q, 3.Q 4.Q , quadrant time time stamp n-1 , , 1 .
  • Each byte in frame may be shown with 8 leds 4 red and 4 green.
  • a predefined start byte may be the first byte indicated with the indicator in the transmission mode.
  • One alternative is to utilize a start byte where the left LEDs (Q1 and Q4) are red and the right LEDs (Q2 and Q3) are green. Such a start byte makes it possible for the recording device (and subsequently for the processing unit) to identify the brush alignment during the transmission mode.
  • the brush identifier (serial number) may consist of four bytes, which gives about 17 Million different identifiers.
  • the time stamp may consist of 2 bytes, which makes it possible to record max 16000 hours.
  • the results for the different quadrants may be indicated by 14 bytes, for instance.
  • the indicator may in the transmission mode illuminate separately for each quadrant only the red LED, only the green LED, neither LED or both LEDs. If a mobile phone video camera is used to record such indications made during forwarding of brushing results, one indication can be substantially shorter than a second.
  • the indicator is of such a type that the brushing result can be indicated optically for the user after a brushing occasion.
  • an alternative is to utilize an indicator indicating the brushing result for the user with sound signals and transmitting brushing results in the transmission mode with sound signals.
  • the indicator may be implemented as a speaker that in combination with suitable electronics can also be used as a microphone.
  • two- way communication may be implemented between the monitoring device and the recording device (such as a mobile telephone having a speaker and a microphone). This makes it possible to control specific functions of the monitoring device in the transmission mode with the aid of the recording device, for instance.

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  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Brushes (AREA)

Abstract

L'invention concerne un dispositif de surveillance de brosse à dents (1) comprenant un détecteur pour produire des données sur la base de l'utilisation d'une brosse à dents (2) associée au dispositif de surveillance (1), un dispositif de commande pour comparer les données d'utilisation produites pendant l'événement de brossage à des données cibles afin de déterminer si le brossage des dents effectué est acceptable ou non, et un indicateur (4) pour indiquer à un utilisateur si le brossage des dents est acceptable ou non. Le dispositif de surveillance de brosse à dents (1) comprend une mémoire, stocke dans la mémoire un résultat de brossage pour l'événement de brossage sur la base de ladite comparaison, et est configuré pour passer en mode de transmission dans lequel une pluralité de résultats de brossage d'une pluralité d'événements de brossage sont extraits de la mémoire et indiqués avec l'indicateur (4).
PCT/FI2014/050969 2013-12-16 2014-12-09 Dispositif de surveillance de brosse à dents, appareil et procédé WO2015092125A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20136270 2013-12-16
FI20136270 2013-12-16

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WO2015092125A1 true WO2015092125A1 (fr) 2015-06-25

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017109633A1 (fr) * 2015-12-22 2017-06-29 Koninklijke Philips N.V. Systèmes, procédés et dispositifs pour fournir un guidage et une rétroaction sur la base d'une localisation et de performances
US10582764B2 (en) 2016-11-14 2020-03-10 Colgate-Palmolive Company Oral care system and method
US10835028B2 (en) 2016-11-14 2020-11-17 Colgate-Palmolive Company Oral care system and method
US11043141B2 (en) 2016-11-14 2021-06-22 Colgate-Palmolive Company Oral care system and method
CN113017887A (zh) * 2019-12-24 2021-06-25 狮王株式会社 牙刷设备
US11213120B2 (en) 2016-11-14 2022-01-04 Colgate-Palmolive Company Oral care system and method
US11361672B2 (en) 2016-11-14 2022-06-14 Colgate-Palmolive Company Oral care system and method
CN114699200A (zh) * 2022-04-20 2022-07-05 中山极冠科技有限公司 一种基于传感器的牙齿区域识别算法的刷牙引导系统

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US20130074616A1 (en) * 2008-05-23 2013-03-28 Brushgate Oy Intelligent toothbrush montioring device
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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017109633A1 (fr) * 2015-12-22 2017-06-29 Koninklijke Philips N.V. Systèmes, procédés et dispositifs pour fournir un guidage et une rétroaction sur la base d'une localisation et de performances
US11197537B2 (en) 2015-12-22 2021-12-14 Koninklijke Philips N.V. Systems, methods, and devices for providing guidance and feedback based on location and performance
US10582764B2 (en) 2016-11-14 2020-03-10 Colgate-Palmolive Company Oral care system and method
US10835028B2 (en) 2016-11-14 2020-11-17 Colgate-Palmolive Company Oral care system and method
US11043141B2 (en) 2016-11-14 2021-06-22 Colgate-Palmolive Company Oral care system and method
US11213120B2 (en) 2016-11-14 2022-01-04 Colgate-Palmolive Company Oral care system and method
US11361672B2 (en) 2016-11-14 2022-06-14 Colgate-Palmolive Company Oral care system and method
US11602216B2 (en) 2016-11-14 2023-03-14 Colgate-Palmolive Company Oral care system and method
CN113017887A (zh) * 2019-12-24 2021-06-25 狮王株式会社 牙刷设备
CN114699200A (zh) * 2022-04-20 2022-07-05 中山极冠科技有限公司 一种基于传感器的牙齿区域识别算法的刷牙引导系统
CN114699200B (zh) * 2022-04-20 2023-09-22 中山极冠科技有限公司 一种基于传感器的牙齿区域识别算法的刷牙引导系统

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