WO2018065374A1 - Brosse à dents intelligente - Google Patents

Brosse à dents intelligente Download PDF

Info

Publication number
WO2018065374A1
WO2018065374A1 PCT/EP2017/075000 EP2017075000W WO2018065374A1 WO 2018065374 A1 WO2018065374 A1 WO 2018065374A1 EP 2017075000 W EP2017075000 W EP 2017075000W WO 2018065374 A1 WO2018065374 A1 WO 2018065374A1
Authority
WO
WIPO (PCT)
Prior art keywords
toothbrush
sensor
user
brushing
smart
Prior art date
Application number
PCT/EP2017/075000
Other languages
English (en)
Inventor
Adam Thomas Russell
Derek Guy Savill
Katharine Jane SHAW
Robert Lindsay Treloar
Ruediger ZILLMER
Original Assignee
Unilever Plc
Unilever N.V.
Conopco, Inc., D/B/A Unilever
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 Unilever Plc, Unilever N.V., Conopco, Inc., D/B/A Unilever filed Critical Unilever Plc
Priority to BR112019006175-4A priority Critical patent/BR112019006175B1/pt
Priority to CN201780061947.5A priority patent/CN109788845B/zh
Priority to EP17783796.0A priority patent/EP3522753B1/fr
Publication of WO2018065374A1 publication Critical patent/WO2018065374A1/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
    • A46B11/00—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water
    • A46B11/0006—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water specially adapted to feed the bristle upper surface
    • 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
    • A46B15/0008—Arrangements for enhancing monitoring or controlling the brushing process with a controlling means with means for controlling duration, e.g. time of brushing
    • 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

  • Figure 7 shows a further example of an improved interactive display provided to the user on a mobile device
  • Figure 10 shows shows a further example of an interactive display provided to the user on a mobile device
  • Figures 22a and 22b show examples of further calibration to correct for arbitrary device orientation carried out by a tracking system for recording the position of a toothbrush during toothbrushing according to the present invention
  • Figures 23a and 23b show examples of an output from a sound receiver of a toothbrush according to or for use with the present invention.
  • the head includes an array of bristles 21 which contact the teeth and gums of the user during toothbrushing in order to clean away plaque and debris.
  • the array of bristles 21 is typically mounted upon a neck piece 22 which connects the head to the handle 3 of the toothbrush body.
  • phase velocity (via the accelerometer).
  • the handle has a curved exterior with ergonomic curves, including an external convex portion 31 which acts as thumb rest but which also provides a corresponding cavity for larger components such as the display 41 .
  • the processor is also programmed to produce a map of the journey taken by the toothbrush during the toothbrushing session using the recorded position and time information.
  • the indication may provide a signal to the user once a continuous recording of activity has been measured by one sensor or by two or more sensors simultaneously for a predetermined brushing time (a sensible value for which would be "2" mins).
  • the communication module may take the form of a wireless communication module, such as a Bluetooth module from which data can be transmitted and/or received.
  • the communication module also provides an interface across which automatic downloads of data may be carried out following periods when the brush was not connected to the app.
  • D1 LED (light emitting diode). This may take the form of a tricolour LED and may be used as a warning indicator and/or as a status indicator. Warning indications may be related to brushing technique or may be related to toothbrush operation. For example, the LED may give a visual indication of when charging is taking place, or when the power source requires recharging;
  • P1 speaker connector, for sending signals to the speaker, the speaker also being housed inside of the shell of the body of the toothbrush;
  • Figure 15a, 15b, 15c, 15d, and 15e each show respective embodiments of a smart toothbrush according to the present invention, where the toothbrush includes one or more reservoirs for active ingredient(s).
  • the reservoirs and associated dosing mechanisms described below in relation to Figures 15a-15e could each be applied to the smart toothbrush described above in relation to Figures 1 -3.
  • the active ingredients are typically liquid based but could take other forms (e.g. gas, gel, foam or another gas/liquid mixture). Examples of active ingredients include a serum or a hardener.
  • the active material may include anti-microbial properties, or cosmetic properties such as tooth whitening.
  • the active ingredient is a solid ingredient and a reservoir which is in fluid communication with the solid ingredient contains a solvent. When the solvent comes into contact with a portion of the solid ingredient, it will dissolve an amount of the solid ingredient, which can then be transported to the head of the toothbrush as the active ingredient to be dispensed.
  • One advantage of such an embodiment is the fact that the frequency at which the solid ingredient needs to be replaced will be less than the frequency by which a liquid or gas ingredient would need to be replaced.
  • the reservoir may be formed of a flexible material which the user pushes upon or squeezes in order to release the active material.
  • the toothbrush may be configured to issue an alert, usually an audio alert to indicate to the user that it is time for them to engage with the brush (e.g. to squeeze a portion of the brush) in order to release of the active ingredient.
  • the reservoir includes an electronically controlled actuator 1507, 1508 such as a pumping system or a valve, which is directly controlled by the computing module on the toothbrush.
  • the pumping system could be one or more of the following: microfluidic; piezoelectric (similar to an inkjet printer).
  • the reservoir 1506 for the active ingredient and the electronic control (and pump) 1507 are located within the handle of the toothbrush.
  • the electronics, pump and active ingredient are all located in a removable module 1508 located within the head of the body of the toothbrush.
  • this removable module could be easily relocated in a new toothbrush once the bristles of the old toothbrush become worn.
  • the head of the toothbrush 1502 comprises bristles and one or more ingredient delivery structures 1510 located within the bristles.
  • the ingredient delivery structures 1510 transport the ingredient in a direction parallel to the longitudinal axis of the bristles before releasing the active ingredient. In this way, the user is able to more accurately target specific areas of the mouth for applying the dose of the active ingredient.
  • the ingredient delivery structure(s) 1510 may take the form of hollow bristles, hollow blades or of micro pipes where the hollow blades or micro pipes may be formed from a material such as a rubber-based material which is different from the material of the bristles. In other embodiments, the ingredient delivery structure(s) may take the form of a sponge.
  • the head of the toothbrush 1503 does not contain any conventional bristles. Instead, it comprises only ingredient delivery structures 1510 such as hollow bristles and/or blades.
  • the smart toothbrush may include an electric motor and/or a vibrator for providing movement and/or rotation of the head of the toothbrush.
  • the sound receiver may be utilised to measure the frequency of the electric motor and/or vibrator.
  • a program run by the processor records this frequency over time and detects changes in frequency of the electric motor and/or vibrator which occur when the toothbrush is in contact with a tooth. This detection of contact between the bristles of the head and the tooth can be used as a trigger for other events (e.g.
  • FIG. 4 shows a schematic diagram of an example system capable for carrying out a method of monitoring toothbrushing according to the present invention
  • the system comprises the toothbrush 1 and a mobile device 20 upon which an app 2 can can be stored and run, the mobile device being communicably connected to the toothbrush.
  • the mobile device can be connected to one or more computers via a network 40.
  • Each of the mobile device and the toothbrush can communicate wirelessly with additional items in the system such as external sensors.
  • an external position sensor or a magnetic field generator This could be a one-to-one communication channel such a Bluetooth or may be by providing access for the additional items to the network 40.
  • the mobile device can be replaced with a different type of external computer such as a smart mirror or a wall mounted computer.
  • Wireless communications 4a between the toothbrush 1 and the mobile device 20 enable the flow of information therebetween.
  • This flow of information could be a flow of data from the toothbrush to the app running on the mobile device such as raw data from one or more of the sensors on the toothbrush or processed data which has been recorded by one or more of the sensors on the toothbrush and then processed by the processor of the toothbrush before being forwarded via the communication module of the toothbrush to the mobile device.
  • Information passed between the communication module of the toothbrush and one or more interfaces of the mobile device may include toothbrush parameter updates.
  • Wireless communications 4b between the mobile device 20 and the network 40 may also include the flow of data. This is usually processed by either the toothbrush or the app 2 on the mobile device, but could also take the form of raw data. Brush parameter updates and software updates for the app 2 may also be sent from the network 40 to the mobile device 20.
  • the network may include the internet and/or one or more local area networks (LANs) or wide area networks (WANs).
  • LANs local area networks
  • WANs wide area networks
  • One or more external computer(s) 30 such as servers may have connections 4c to the network in order to communicate with the mobile device 20 over the network 40.
  • One or more of the external computer(s) includes data storage and data processing.
  • the data stored and processed at the external computer(s) typically derives from a plurality of different users (via a plurality of different mobile devices and smart toothbrushes) and may include personal data, although this may be anonymous.
  • the external computer(s) therefore provide a platform for data analytics taken from all or at least a proportion of the total number of users using their respective toothbrushes in their own homes.
  • the communication channel between the company user 50 and the external computer(s) 30 therefore includes the flow of information from the external computer to the user of data mining insights from data analytics. It will also include the flow of settings and other information from the company user to the external computers. For example, software updates may originate from the company user 50 and reach the mobile device 20 via the external computer 30 and the network 40.
  • a power supply 23 a network interface 24, a display 25, an input/output interface 26, an audio interface 27, a flash 28 and user controls 29.
  • the audio interface 27 typically includes a speaker which enables the mobile device to output signals and a microphone which enables the mobile device to receive audio signals including voice control inputs for use in controlling applications.
  • User controls 29 may take the form of external buttons or slider which allow a user to control various functions of the mobile device.
  • An application saved on the device may be configured to interact with the various components of the device such that upon receiving an input from one or more of the user controls.
  • the computer program described herein may take the form of an application stored in the memory 22.
  • the mobile device may be connected to an external computer 30 either directly or via a network 40 so that computationally extensive calculations can be carried out by a computational module on the external computer, the external computer being more powerful than the mobile device and therefore capable of performing the calculations more quickly.
  • the mobile device 20 may also be configured to exchange information with other computers via the network 40.
  • live feedback is presented to the user by the mobile device.
  • This live feedback may include one or more of the following:
  • the toothbrush starts operation in a "data mode" (s133).
  • data mode sensor data id pre-processed and saved in the memory of the computing module of the toothbrush.
  • the processor of the toothbrush is programmed to provide basic feedback via visual or audio signals emitted from a light source or speaker on the toothbrush in response to the processor detecting that particular criteria have been met. For example, audio or visual signals may be emitted in response to:
  • the path followed during the journey has been optimised by minimising an appropriate cost function related to the transition probabilities: the less likely a transition the higher is the associated cost.
  • the transition probabilities are a function of spatial distance and biomechanical constraints such as dexterity. In this case, it is found that brushing the regions in the order of
  • When and/or what is dosed by the toothbrush may be influenced or driven by data that is provided to the toothbrush from an outside source rather than data that is measured by sensors in the toothbrush.
  • advice from a dentist, or user preferences could be used as data to influence and/drive dosing.
  • data from other diagnostic sensors which may be internal or external to the toothbrush, may be used to provide data that can be used to influence or drive dosing. Examples of a tracking system according to the present invention are described below with reference to Figures 17 to 18.
  • Figure 20 shows an example of magnetic sensor data taken using the system of Figure 17.
  • the magnetic sensor located within the toothbrush of the present invention
  • Each number on the plot corresponds to a particular tooth; number 1 corresponding to the back molar left, going around clockwise to number 14 which corresponds to the back molar right.
  • the points for the different teeth are well separated, showing that each tooth has a unique M z and I M

Landscapes

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

Abstract

L'invention concerne une brosse à dents intelligente qui comporte : un corps de brosse à dents comprenant une tête pour le brossage et un manche ; un capteur qui permet de détecter la position de la brosse à dents dans la bouche en divers points pendant une session de brossage des dents ; un minuteur qui permet d'enregistrer le moment auquel chaque position détectée se produit ; un module de calcul comprenant une mémoire, le module de calcul étant configuré : pour enregistrer la position détectée en différents points pendant une session de brossage des dents ; pour enregistrer le moment auquel chaque position détectée a été détectée ; pour produire une carte du trajet effectué par la brosse à dents pendant la session de brossage des dents à l'aide des informations de position et de temps enregistrées.
PCT/EP2017/075000 2016-10-07 2017-10-02 Brosse à dents intelligente WO2018065374A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BR112019006175-4A BR112019006175B1 (pt) 2016-10-07 2017-10-02 Escova de dentes inteligente e sistema para treinar uma escova de dentes inteligente
CN201780061947.5A CN109788845B (zh) 2016-10-07 2017-10-02 智能牙刷
EP17783796.0A EP3522753B1 (fr) 2016-10-07 2017-10-02 Brosse à dents intelligente

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP16192821.3 2016-10-07
EP16192821 2016-10-07

Publications (1)

Publication Number Publication Date
WO2018065374A1 true WO2018065374A1 (fr) 2018-04-12

Family

ID=57113190

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/075000 WO2018065374A1 (fr) 2016-10-07 2017-10-02 Brosse à dents intelligente

Country Status (4)

Country Link
EP (1) EP3522753B1 (fr)
CN (1) CN109788845B (fr)
BR (1) BR112019006175B1 (fr)
WO (1) WO2018065374A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021025661A1 (fr) * 2019-08-02 2021-02-11 Colgate-Palmolive Company Brosse à dents, système et procédé de détection de sang dans une cavité buccale pendant le brossage des dents
US20210398644A1 (en) * 2019-06-25 2021-12-23 L'oreal User signaling through a personal care device
US11324307B2 (en) 2018-08-02 2022-05-10 Ranir, Llc Pressure sensing system and method for an electric toothbrush
WO2022098552A1 (fr) * 2020-11-03 2022-05-12 Colgate-Palmolive Company Système de détection de sang dans une cavité buccale pendant le brossage des dents
WO2022129845A1 (fr) * 2020-12-17 2022-06-23 Dyson Technology Limited Dispositif de traitement buccal
CN115251760A (zh) * 2018-12-21 2022-11-01 宝洁公司 用于操作个人梳理器具或家用清洁器具的设备和方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113317899B (zh) * 2021-05-31 2023-05-23 余姚永耀光电科技有限公司 一种科教儿童电动牙刷

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US20080109973A1 (en) * 2006-11-15 2008-05-15 Farrell Mark E Personal care products and methods
WO2008116743A1 (fr) 2007-03-28 2008-10-02 Unilever Plc Procédé et dispositif de génération du modèle d'un objet
US20090044356A1 (en) * 2007-08-17 2009-02-19 Noble Lise W Toothbrush system utilizing oral care capsule
US20120310593A1 (en) 2009-12-17 2012-12-06 Susan Bates Toothbrush tracking system
US20130166220A1 (en) 2010-09-15 2013-06-27 Susan Bates Toothbrush usage monitoring
US20150044629A1 (en) * 2013-08-11 2015-02-12 Grush, Inc. Oral Care Tools and Systems
EP2896319A2 (fr) * 2014-01-21 2015-07-22 Braun GmbH Appareil de toilette personnelle

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009151455A1 (fr) * 2008-06-13 2009-12-17 Colgate-Palmolive Company Instrument de soins buccaux à libération active
CN106029003B (zh) * 2014-02-20 2017-11-24 博朗有限公司 口腔护理系统
CN105528519B (zh) * 2015-12-08 2019-02-12 小米科技有限责任公司 智能协助清洁牙齿的方法及装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080109973A1 (en) * 2006-11-15 2008-05-15 Farrell Mark E Personal care products and methods
WO2008116743A1 (fr) 2007-03-28 2008-10-02 Unilever Plc Procédé et dispositif de génération du modèle d'un objet
US20090044356A1 (en) * 2007-08-17 2009-02-19 Noble Lise W Toothbrush system utilizing oral care capsule
US20120310593A1 (en) 2009-12-17 2012-12-06 Susan Bates Toothbrush tracking system
US20130166220A1 (en) 2010-09-15 2013-06-27 Susan Bates Toothbrush usage monitoring
US20150044629A1 (en) * 2013-08-11 2015-02-12 Grush, Inc. Oral Care Tools and Systems
EP2896319A2 (fr) * 2014-01-21 2015-07-22 Braun GmbH Appareil de toilette personnelle

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11324307B2 (en) 2018-08-02 2022-05-10 Ranir, Llc Pressure sensing system and method for an electric toothbrush
CN115251760A (zh) * 2018-12-21 2022-11-01 宝洁公司 用于操作个人梳理器具或家用清洁器具的设备和方法
US20210398644A1 (en) * 2019-06-25 2021-12-23 L'oreal User signaling through a personal care device
US11742068B2 (en) * 2019-06-25 2023-08-29 L'oreal User signaling through a personal care device
WO2021025661A1 (fr) * 2019-08-02 2021-02-11 Colgate-Palmolive Company Brosse à dents, système et procédé de détection de sang dans une cavité buccale pendant le brossage des dents
AU2019460184B2 (en) * 2019-08-02 2023-05-18 Colgate-Palmolive Company Toothbrush, system, and method for detecting blood in an oral cavity during toothbrushing
EP4250314A3 (fr) * 2019-08-02 2023-10-25 Colgate-Palmolive Company Brosse à dents et système de détection de sang dans une cavité buccale pendant le brossage des dents
WO2022098552A1 (fr) * 2020-11-03 2022-05-12 Colgate-Palmolive Company Système de détection de sang dans une cavité buccale pendant le brossage des dents
WO2022129845A1 (fr) * 2020-12-17 2022-06-23 Dyson Technology Limited Dispositif de traitement buccal
GB2602088B (en) * 2020-12-17 2023-06-14 Dyson Technology Ltd Oral treatment device

Also Published As

Publication number Publication date
EP3522753A1 (fr) 2019-08-14
BR112019006175B1 (pt) 2022-12-20
EP3522753B1 (fr) 2022-07-13
CN109788845B (zh) 2021-03-09
CN109788845A (zh) 2019-05-21
BR112019006175A2 (pt) 2019-06-18

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