JP6067879B2 - 駆動ノイズ耐性のある歯垢検出 - Google Patents
駆動ノイズ耐性のある歯垢検出 Download PDFInfo
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- JP6067879B2 JP6067879B2 JP2015548848A JP2015548848A JP6067879B2 JP 6067879 B2 JP6067879 B2 JP 6067879B2 JP 2015548848 A JP2015548848 A JP 2015548848A JP 2015548848 A JP2015548848 A JP 2015548848A JP 6067879 B2 JP6067879 B2 JP 6067879B2
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0082—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes
- A61B5/0088—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes for oral or dental tissue
-
- 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
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0071—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence by measuring fluorescence emission
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/45—For evaluating or diagnosing the musculoskeletal system or teeth
- A61B5/4538—Evaluating a particular part of the muscoloskeletal system or a particular medical condition
- A61B5/4542—Evaluating the mouth, e.g. the jaw
- A61B5/4547—Evaluating teeth
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7228—Signal modulation applied to the input signal sent to patient or subject; demodulation to recover the physiological signal
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7271—Specific aspects of physiological measurement analysis
- A61B5/7282—Event detection, e.g. detecting unique waveforms indicative of a medical condition
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
- A61C1/02—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design characterised by the drive of the dental tools
- A61C1/07—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design characterised by the drive of the dental tools with vibratory drive, e.g. ultrasonic
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/645—Specially adapted constructive features of fluorimeters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/6486—Measuring fluorescence of biological material, e.g. DNA, RNA, cells
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2576/00—Medical imaging apparatus involving image processing or analysis
- A61B2576/02—Medical imaging apparatus involving image processing or analysis specially adapted for a particular organ or body part
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/48—Other medical applications
- A61B5/4836—Diagnosis combined with treatment in closed-loop systems or methods
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Pathology (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Biophysics (AREA)
- Medical Informatics (AREA)
- Heart & Thoracic Surgery (AREA)
- Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Biochemistry (AREA)
- Analytical Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Psychiatry (AREA)
- Signal Processing (AREA)
- Physiology (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Artificial Intelligence (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Rheumatology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Physical Education & Sports Medicine (AREA)
- Epidemiology (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Description
駆動トレイン周波数を持つ駆動トレインと、
励起光を放射する光源と、
歯垢特定信号を生成するために歯からの戻り光ビームを受光する歯垢検出器と、を含み、歯垢特定信号は、駆動トレイン周波数と中間周波数とが同一のマスタクロックから導出されるような中間周波数に復調される、歯科器具が提供される。
励起光を提供するステップと、
歯からの戻り光ビームを受光するステップと、
戻り光ビームから歯垢特定信号を生成するステップと、
歯垢特定信号を、駆動トレイン周波数と中間周波数とが同一のマスタクロックから導出されるような中間周波数に復調するステップと、
を含む、方法に関する。
Claims (15)
- 駆動トレイン周波数を持つ駆動トレインと、
励起光を放射する光源と、
歯垢特定信号を生成するために歯からの戻り光ビームを受光する歯垢検出器と、
を含み、
前記歯垢検出器は、前記歯垢特定信号を、前記駆動トレイン周波数と中間周波数とが同一のマスタクロックから導出されるような、当該マスタクロックの周波数と前記歯垢特定信号の周波数とに対する当該中間周波数に復調する、
歯科器具。 - 前記光源を変調するための発振器を更に含む、請求項1に記載の歯科器具。
- 前記戻り光ビームは蛍光である、請求項1に記載の歯科器具。
- 反射された励起光を除去し、歯からの蛍光ビームを受光するための少なくとも1つの光学ユニットを更に含み、
前記歯垢検出器は、周波数駆動トレインによって生成されるノイズを低減させる歯垢検出回路を介して、周波数領域寿命測定に基づいて歯垢を検出し、歯の歯垢特定信号を通信するために前記蛍光ビームを受光する、
請求項3に記載の歯科器具。 - 前記中間周波数は、前記駆動トレイン周波数の(n+j/k)倍に等しく、ここでnは整数であり、jは正の整数であり、kは0<j<kとなるような偶数の正の整数である、請求項1に記載の歯科器具。
- kは、前記歯垢特定信号の帯域幅が、前記駆動トレイン周波数の1/k倍よりも小さくなるように選択される、請求項5に記載の歯科器具。
- 前記歯垢検出器は、復調された前記中間周波数の信号を、当該中間周波数の信号の周波数の少なくとも2倍の整数倍の周波数でデジタル化する、請求項1に記載の歯科器具。
- 前記駆動トレインは、複数の清掃モードに対して前記駆動トレイン周波数を変化させる、請求項1に記載の歯科器具。
- 発信器が、前記励起光を生成するために用いられる装置である、請求項1に記載の歯科器具。
- 前記歯垢検出器は、前記歯垢特定信号との高調波干渉を防止するため前記歯垢特定信号を前記中間周波数へ復調する、請求項1に記載の歯科器具。
- 光源、歯垢検出器、及び駆動トレイン周波数を持つ駆動トレインを有する歯科器具の作動方法であって、
前記光源が励起光を提供するステップと、
前記歯垢検出器が歯からの戻り光ビームを受光するステップと、
前記歯垢検出器が前記戻り光ビームから歯垢特定信号を生成するステップと、
前記歯垢検出器が前記歯垢特定信号を、前記駆動トレイン周波数と中間周波数とが同一のマスタクロックから導出される、当該マスタクロックの周波数と前記歯垢特定信号の周波数とに対する当該中間周波数に復調するステップと、を含む、歯科器具の作動方法。 - 前記中間周波数は、前記駆動トレイン周波数の(n+j/k)倍に等しく、ここでnは整数であり、jは正の整数であり、kは0<j<kとなるような偶数の正の整数である、請求項11に記載の歯科器具の作動方法。
- kは、前記歯垢特定信号の帯域幅が、前記駆動トレイン周波数の1/k倍よりも小さい、請求項12に記載の歯科器具の作動方法。
- 前記歯垢検出器により、復調された前記中間周波数の信号は、当該中間周波数の信号の周波数の少なくとも2倍の整数倍の周波数でデジタル化されるステップを更に含む、請求項11に記載の歯科器具の作動方法。
- 前記駆動トレインにより、前記駆動トレイン周波数を、複数の清掃モードに基づいて変化させるステップを更に含む、請求項11に記載の歯科器具の作動方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261739512P | 2012-12-19 | 2012-12-19 | |
US61/739,512 | 2012-12-19 | ||
PCT/IB2013/061122 WO2014097198A1 (en) | 2012-12-19 | 2013-12-19 | Drive noise tolerant plaque detection |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016505321A JP2016505321A (ja) | 2016-02-25 |
JP6067879B2 true JP6067879B2 (ja) | 2017-01-25 |
Family
ID=50115923
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015548848A Expired - Fee Related JP6067879B2 (ja) | 2012-12-19 | 2013-12-19 | 駆動ノイズ耐性のある歯垢検出 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20150305626A1 (ja) |
EP (1) | EP2934292A1 (ja) |
JP (1) | JP6067879B2 (ja) |
CN (1) | CN104869890A (ja) |
BR (1) | BR112015014159A2 (ja) |
RU (1) | RU2015129473A (ja) |
WO (1) | WO2014097198A1 (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10314493B2 (en) * | 2014-09-29 | 2019-06-11 | Koninklijke Philips N.V. | Apparatus and method for plaque detection |
JP6736267B2 (ja) * | 2015-06-12 | 2020-08-05 | オムロンヘルスケア株式会社 | 電動歯ブラシ及びその作動方法 |
CN107690295B (zh) | 2015-06-12 | 2020-04-14 | 高露洁-棕榄公司 | 电动牙刷、刷子单元以及用于操作电动牙刷的方法 |
TR201911088T4 (tr) * | 2015-07-28 | 2019-08-21 | Koninklijke Philips Nv | Bir ağız temizleme cihazında sensörlerin güç aktarımı etkileşimini azaltmak için yöntemler ve sistemler. |
US10698013B2 (en) * | 2015-11-27 | 2020-06-30 | Samsung Electronics Co., Ltd. | Lock-in amplifier, integrated circuit and portable measurement device including the same |
EP4331533A3 (en) * | 2015-12-28 | 2024-05-22 | Colgate-Palmolive Company | Light emitting oral care implement |
US11213120B2 (en) | 2016-11-14 | 2022-01-04 | Colgate-Palmolive Company | Oral care system and method |
US11043141B2 (en) | 2016-11-14 | 2021-06-22 | Colgate-Palmolive Company | Oral care system and method |
US10582764B2 (en) | 2016-11-14 | 2020-03-10 | Colgate-Palmolive Company | Oral care system and method |
US11361672B2 (en) | 2016-11-14 | 2022-06-14 | Colgate-Palmolive Company | Oral care system and method |
US10835028B2 (en) | 2016-11-14 | 2020-11-17 | Colgate-Palmolive Company | Oral care system and method |
WO2018104190A1 (en) * | 2016-12-07 | 2018-06-14 | Koninklijke Philips N.V. | Method and apparatus for protection of soft tissues against a teeth whitening substance |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997001298A1 (fr) * | 1995-06-28 | 1997-01-16 | Philips Electronics N.V. | Brosse a dents electrique munie de moyens pour localiser une plaque dentaire |
US6229856B1 (en) * | 1997-04-14 | 2001-05-08 | Masimo Corporation | Method and apparatus for demodulating signals in a pulse oximetry system |
GB9810471D0 (en) * | 1998-05-16 | 1998-07-15 | Helmet Hund Gmbh | Toothbrush |
US6205183B1 (en) * | 1998-05-29 | 2001-03-20 | Ericsson Inc. | Methods of suppressing reference oscillator harmonic interference and related receivers |
CA2297476A1 (en) * | 2000-01-21 | 2001-07-21 | Neks Recherche & Developpement Inc. | System for detection of dental tartar, e.g. subgingival tartar |
WO2006102925A1 (en) * | 2005-03-31 | 2006-10-05 | Freescale Semiconductor, Inc. | Method for noise reduction in a phase locked loop and a device having noise reduction capabilities |
US10085643B2 (en) * | 2007-01-05 | 2018-10-02 | Jadran Bandic | Analytic methods of tissue evaluation |
US8187002B2 (en) * | 2010-06-29 | 2012-05-29 | Mcneil-Ppc, Inc. | Method for cleaning the oral cavity |
US8702422B2 (en) * | 2010-06-29 | 2014-04-22 | Mcneil-Ppc, Inc. | Device and method for cleaning the oral cavity |
-
2013
- 2013-12-19 CN CN201380066706.1A patent/CN104869890A/zh active Pending
- 2013-12-19 JP JP2015548848A patent/JP6067879B2/ja not_active Expired - Fee Related
- 2013-12-19 WO PCT/IB2013/061122 patent/WO2014097198A1/en active Application Filing
- 2013-12-19 BR BR112015014159A patent/BR112015014159A2/pt not_active IP Right Cessation
- 2013-12-19 RU RU2015129473A patent/RU2015129473A/ru not_active Application Discontinuation
- 2013-12-19 EP EP13830153.6A patent/EP2934292A1/en not_active Withdrawn
- 2013-12-19 US US14/442,813 patent/US20150305626A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
CN104869890A (zh) | 2015-08-26 |
US20150305626A1 (en) | 2015-10-29 |
RU2015129473A (ru) | 2017-01-26 |
BR112015014159A2 (pt) | 2017-07-11 |
EP2934292A1 (en) | 2015-10-28 |
JP2016505321A (ja) | 2016-02-25 |
WO2014097198A1 (en) | 2014-06-26 |
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