JP7135837B2 - 成分濃度測定装置 - Google Patents
成分濃度測定装置 Download PDFInfo
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- JP7135837B2 JP7135837B2 JP2018240803A JP2018240803A JP7135837B2 JP 7135837 B2 JP7135837 B2 JP 7135837B2 JP 2018240803 A JP2018240803 A JP 2018240803A JP 2018240803 A JP2018240803 A JP 2018240803A JP 7135837 B2 JP7135837 B2 JP 7135837B2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/483—Physical analysis of biological material
- G01N33/487—Physical analysis of biological material of liquid biological material
- G01N33/49—Blood
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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
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/1126—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb using a particular sensing technique
-
- 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
- A61B5/1455—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 using optical sensors, e.g. spectral photometrical oximeters
-
- 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
-
- 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
- G01N29/02—Analysing fluids
-
- 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
- G01N29/2418—Probes using optoacoustic interaction with the material, e.g. laser radiation, photoacoustics
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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
- G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
- G01N29/4409—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by comparison
- G01N29/4436—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by comparison with a reference signal
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/024—Mixtures
- G01N2291/02466—Biological material, e.g. blood
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/02809—Concentration of a compound, e.g. measured by a surface mass change
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- General Physics & Mathematics (AREA)
- Biophysics (AREA)
- Analytical Chemistry (AREA)
- Molecular Biology (AREA)
- Medical Informatics (AREA)
- Public Health (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Hematology (AREA)
- Optics & Photonics (AREA)
- Dentistry (AREA)
- Urology & Nephrology (AREA)
- Physiology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Ecology (AREA)
- Medicinal Chemistry (AREA)
- Acoustics & Sound (AREA)
- Food Science & Technology (AREA)
- Signal Processing (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Description
はじめに、本発明の実施の形態1に係る成分濃度測定装置について図1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、測定部103、体動算出部104、特異点抽出部105、整合部106、濃度算出部107、および記憶部108を備える。
次に、本発明の実施の形態2に係る成分濃度測定装置について図3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、測定部103、体動算出部104、特異点抽出部105、整合部106a、濃度算出部107、記憶部108、判定部109、選択部110、および閾値制御部111を備える。
Claims (4)
- 測定対象の物質が吸収する波長のビーム光を被測定者の測定部位に照射する光出射部と、
前記ビーム光を照射した前記測定部位から発生する光音響信号を時系列に検出する検出部と、
前記被測定者に装着されて加速度を時系列に測定する測定部と、
前記測定部が測定した加速度より前記被測定者の体動の大きさを求める体動算出部と、
前記体動算出部が求めた体動の大きさが閾値を超えた時点を特異点として抽出する特異点抽出部と、
前記特異点抽出部が抽出した特異点の前後の前記光音響信号の変化を整合させる整合部と、
前記特異点抽出部が抽出した特異点の前と後との間の前記光音響信号の変化量が閾値を超えるか否かを判定する判定部と、
前記特異点抽出部が抽出した特異点の中より、前記判定部が閾値を超えたと判定した特異点を選択する選択部と、
前記判定部が閾値を超えないと判定した特異点が発生すると、前記特異点抽出部における閾値を増加させる閾値制御部と
を備え、
前記整合部は、前記選択部が選択した特異点の前後の前記光音響信号の変化を整合させ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、
前記整合部は、前記特異点抽出部が抽出した特異点の前と後との間の前記光音響信号の変化量を特異点以降の前記光音響信号より減算することで、特異点の前後の前記光音響信号の変化を整合させ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1~3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前記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 |
---|---|---|---|
JP2018240803A JP7135837B2 (ja) | 2018-12-25 | 2018-12-25 | 成分濃度測定装置 |
PCT/JP2019/048422 WO2020137538A1 (ja) | 2018-12-25 | 2019-12-11 | 成分濃度測定装置 |
US17/417,595 US20220031200A1 (en) | 2018-12-25 | 2019-12-11 | Component Concentration Measuring Device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018240803A JP7135837B2 (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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JP2020099572A JP2020099572A (ja) | 2020-07-02 |
JP7135837B2 true JP7135837B2 (ja) | 2022-09-13 |
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JP2018240803A Active JP7135837B2 (ja) | 2018-12-25 | 2018-12-25 | 成分濃度測定装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20220031200A1 (ja) |
JP (1) | JP7135837B2 (ja) |
WO (1) | WO2020137538A1 (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008253397A (ja) | 2007-04-02 | 2008-10-23 | Matsushita Electric Ind Co Ltd | 非侵襲生体情報測定装置 |
JP2009142319A (ja) | 2007-12-11 | 2009-07-02 | Nippon Telegr & Teleph Corp <Ntt> | 成分濃度測定装置 |
JP2009247513A (ja) | 2008-04-04 | 2009-10-29 | Hitachi Ltd | 生体光計測器 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05154136A (ja) * | 1991-11-29 | 1993-06-22 | Shimadzu Corp | 光生体計測装置 |
CA2609346A1 (en) * | 2005-07-28 | 2007-02-15 | The General Hospital Corporation | Electro-optical system, apparatus, and method for ambulatory monitoring |
US20080161072A1 (en) * | 2006-12-29 | 2008-07-03 | David Alson Lide | Methods and apparatus to manage power consumption in wireless devices |
US10321860B2 (en) * | 2015-07-19 | 2019-06-18 | Sanmina Corporation | System and method for glucose monitoring |
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2018
- 2018-12-25 JP JP2018240803A patent/JP7135837B2/ja active Active
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2019
- 2019-12-11 US US17/417,595 patent/US20220031200A1/en active Pending
- 2019-12-11 WO PCT/JP2019/048422 patent/WO2020137538A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008253397A (ja) | 2007-04-02 | 2008-10-23 | Matsushita Electric Ind Co Ltd | 非侵襲生体情報測定装置 |
JP2009142319A (ja) | 2007-12-11 | 2009-07-02 | Nippon Telegr & Teleph Corp <Ntt> | 成分濃度測定装置 |
JP2009247513A (ja) | 2008-04-04 | 2009-10-29 | Hitachi Ltd | 生体光計測器 |
Also Published As
Publication number | Publication date |
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JP2020099572A (ja) | 2020-07-02 |
WO2020137538A1 (ja) | 2020-07-02 |
US20220031200A1 (en) | 2022-02-03 |
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