JP7127530B2 - 成分濃度測定装置 - Google Patents
成分濃度測定装置 Download PDFInfo
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- JP7127530B2 JP7127530B2 JP2018240791A JP2018240791A JP7127530B2 JP 7127530 B2 JP7127530 B2 JP 7127530B2 JP 2018240791 A JP2018240791 A JP 2018240791A JP 2018240791 A JP2018240791 A JP 2018240791A JP 7127530 B2 JP7127530 B2 JP 7127530B2
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- component concentration
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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
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/14532—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue for measuring glucose, e.g. by tissue impedance measurement
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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
- A61B5/0093—Detecting, measuring or recording by applying one single type of energy and measuring its conversion into another type of energy
- A61B5/0095—Detecting, measuring or recording by applying one single type of energy and measuring its conversion into another type of energy by applying light and detecting acoustic waves, i.e. photoacoustic measurements
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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
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6813—Specially adapted to be attached to a specific body part
- A61B5/6814—Head
- A61B5/6815—Ear
- A61B5/6816—Ear lobe
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/683—Means for maintaining contact with the body
- A61B5/6838—Clamps or clips
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/13—Tomography
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/24—Probes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/28—Details, e.g. general constructional or apparatus details providing acoustic coupling, e.g. water
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/32—Arrangements for suppressing undesired influences, e.g. temperature or pressure variations, compensating for signal noise
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
- G01N29/48—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by amplitude comparison
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Surgery (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Chemical & Material Sciences (AREA)
- Otolaryngology (AREA)
- Acoustics & Sound (AREA)
- Emergency Medicine (AREA)
- Optics & Photonics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Signal Processing (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Description
はじめに、本発明の実施の形態1における成分濃度測定装置について、図1,図2を参照して説明する。この成分濃度測定装置は、光出射部101、検出部102、整合部材103、濃度算出部104、記憶部105,第1保持部材111、および第2保持部材112を備える。
次に、本発明の実施の形態2について図5,図6を参照して説明する。この成分濃度測定装置は、光出射部101、検出部102、整合部材103、濃度算出部104、記憶部105,第1保持部材111、および第2保持部材112を備える。これらの構成は、前述した実施の形態1と同様である。
Claims (7)
- 被測定者の測定部位を挟持可能な第1保持部材および第2保持部材からなる一対の保持部材と、
測定対象の物質が吸収する波長のビーム光を前記第1保持部材より前記測定部位にむけて出射する光出射部と、
前記第2保持部材に収容されて前記ビーム光が照射された前記測定部位から発生する光音響信号を検出する検出部と、
前記第2保持部材と前記測定部位との間に配置され、前記測定部位に接して弾性率が一定の状態で弾性変形し、前記検出部と前記測定部位との間の音響整合をとる整合部材と、
前記第1保持部材と前記測定部位との間に配置されて前記ビーム光を透過するとともに、前記光音響信号を反射する第1反射面を有する第1反射部と、前記第2保持部材と前記測定部位との間に配置されて、前記光音響信号を反射する第2反射面を有する第2反射部とから構成され、前記光音響信号を共鳴させる共鳴器と
を備え、
前記整合部材は、前記一対の保持部材によって前記測定部位が挟持された状態で、前記第2反射部と前記測定部位との間の隙間を埋める
ことを特徴とする成分濃度測定装置。 - 請求項1記載の成分濃度測定装置において、
前記第1反射面と前記第2反射面とは、互いに平行であることを特徴とする成分濃度測定装置。 - 請求項1または2記載の成分濃度測定装置において、
前記第1反射面は、前記測定部位に面し、
前記第1反射部は、
前記第1保持部材の側に面し、前記光出射部の光出射端が接する第1接触面と、
前記第1反射面と前記第1接触面との間に形成された空隙と
をさらに備えることを特徴とする成分濃度測定装置。 - 請求項1~3のいずれか1項に記載の成分濃度測定装置において、
前記第2反射面は、前記測定部位に面し、
前記第2反射部は、
前記第2保持部材に面し、前記第2保持部材に収容された前記検出部の前記測定部位に面する検出面が接する第2接触面と、
前記第2反射面と前記第2接触面との間に形成された空隙と
を備えることを特徴とする成分濃度測定装置。 - 請求項1~4のいずれか1項に記載の成分濃度測定装置において、
前記整合部材は、合成樹脂で構成されたスポンジから構成されていることを特徴とする成分濃度測定装置。 - 請求項1~5のいずれか1項に記載の成分濃度測定装置において、
前記光音響信号により前記物質の濃度を求める濃度算出部を備えることを特徴とする成分濃度測定装置。 - 請求項1~6のいずれか1項に記載の成分濃度測定装置において、
前記物質はグルコースであり、
前記光出射部は、グルコースが吸収する波長のビーム光を照射することを特徴とする成分濃度測定装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018240791A JP7127530B2 (ja) | 2018-12-25 | 2018-12-25 | 成分濃度測定装置 |
US17/417,515 US20220110556A1 (en) | 2018-12-25 | 2019-12-10 | Component Concentration Measuring Device |
PCT/JP2019/048254 WO2020137515A1 (ja) | 2018-12-25 | 2019-12-10 | 成分濃度測定装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018240791A JP7127530B2 (ja) | 2018-12-25 | 2018-12-25 | 成分濃度測定装置 |
Publications (2)
Publication Number | Publication Date |
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JP2020101478A JP2020101478A (ja) | 2020-07-02 |
JP7127530B2 true JP7127530B2 (ja) | 2022-08-30 |
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JP2018240791A Active JP7127530B2 (ja) | 2018-12-25 | 2018-12-25 | 成分濃度測定装置 |
Country Status (3)
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US (1) | US20220110556A1 (ja) |
JP (1) | JP7127530B2 (ja) |
WO (1) | WO2020137515A1 (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006326224A (ja) | 2005-05-30 | 2006-12-07 | Nippon Telegr & Teleph Corp <Ntt> | 生体成分濃度測定装置及び生体成分濃度測定方法 |
JP2007229320A (ja) | 2006-03-03 | 2007-09-13 | Nippon Telegr & Teleph Corp <Ntt> | 成分濃度測定装置 |
JP2007259918A (ja) | 2006-03-27 | 2007-10-11 | Nippon Telegr & Teleph Corp <Ntt> | 成分濃度測定装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6172743B1 (en) * | 1992-10-07 | 2001-01-09 | Chemtrix, Inc. | Technique for measuring a blood analyte by non-invasive spectrometry in living tissue |
JP5634077B2 (ja) * | 2010-02-02 | 2014-12-03 | キヤノン株式会社 | 音響波受信装置 |
WO2013096734A1 (en) * | 2011-12-22 | 2013-06-27 | University Of Pittsburgh - Of The Commonwealth System Of Higher Education | Method and apparatus to enhance light illuminating intensity and diffusivity |
-
2018
- 2018-12-25 JP JP2018240791A patent/JP7127530B2/ja active Active
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2019
- 2019-12-10 US US17/417,515 patent/US20220110556A1/en active Pending
- 2019-12-10 WO PCT/JP2019/048254 patent/WO2020137515A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006326224A (ja) | 2005-05-30 | 2006-12-07 | Nippon Telegr & Teleph Corp <Ntt> | 生体成分濃度測定装置及び生体成分濃度測定方法 |
JP2007229320A (ja) | 2006-03-03 | 2007-09-13 | Nippon Telegr & Teleph Corp <Ntt> | 成分濃度測定装置 |
JP2007259918A (ja) | 2006-03-27 | 2007-10-11 | Nippon Telegr & Teleph Corp <Ntt> | 成分濃度測定装置 |
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Publication number | Publication date |
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JP2020101478A (ja) | 2020-07-02 |
US20220110556A1 (en) | 2022-04-14 |
WO2020137515A1 (ja) | 2020-07-02 |
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