DE60335491D1 - Verfahren und vorrichtung zur nichtinvasiven untersuchung von lebendkörpercharakteristiken mittels photoakustik - Google Patents

Verfahren und vorrichtung zur nichtinvasiven untersuchung von lebendkörpercharakteristiken mittels photoakustik

Info

Publication number
DE60335491D1
DE60335491D1 DE60335491T DE60335491T DE60335491D1 DE 60335491 D1 DE60335491 D1 DE 60335491D1 DE 60335491 T DE60335491 T DE 60335491T DE 60335491 T DE60335491 T DE 60335491T DE 60335491 D1 DE60335491 D1 DE 60335491D1
Authority
DE
Germany
Prior art keywords
living body
light
photoacoustics
subject
acoustic signal
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE60335491T
Other languages
English (en)
Inventor
Shoichi Kanayama
Kazuhiro Itsumi
Omar S Khalil
Stanislaw Kantor
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Abbott Laboratories
Original Assignee
Toshiba Corp
Abbott Laboratories
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 Toshiba Corp, Abbott Laboratories filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE60335491D1 publication Critical patent/DE60335491D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/14—Devices for taking samples of blood ; Measuring characteristics of blood in vivo, e.g. gas concentration within the blood, pH-value of blood
    • 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
    • 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
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • 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
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/1702—Systems in which incident light is modified in accordance with the properties of the material investigated with opto-acoustic detection, e.g. for gases or analysing solids
    • 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
    • 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
    • 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
    • G01N29/326—Arrangements for suppressing undesired influences, e.g. temperature or pressure variations, compensating for signal noise compensating for temperature variations
    • 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
    • G01N29/449—Statistical methods not provided for in G01N29/4409, e.g. averaging, smoothing and interpolation
    • 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
    • G01N2291/01—Indexing codes associated with the measuring variable
    • G01N2291/015—Attenuation, scattering
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Veterinary Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Immunology (AREA)
  • Public Health (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Biophysics (AREA)
  • Optics & Photonics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Emergency Medicine (AREA)
  • Probability & Statistics with Applications (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Radiology & Medical Imaging (AREA)
  • Hematology (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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
DE60335491T 2002-10-31 2003-10-28 Verfahren und vorrichtung zur nichtinvasiven untersuchung von lebendkörpercharakteristiken mittels photoakustik Expired - Lifetime DE60335491D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002317801A JP4234393B2 (ja) 2002-10-31 2002-10-31 生体情報計測装置
PCT/US2003/034212 WO2004042382A1 (en) 2002-10-31 2003-10-28 Method and apparatus for non-invasive measurement of living body characteristics by photoacoustics

Publications (1)

Publication Number Publication Date
DE60335491D1 true DE60335491D1 (de) 2011-02-03

Family

ID=32310346

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60335491T Expired - Lifetime DE60335491D1 (de) 2002-10-31 2003-10-28 Verfahren und vorrichtung zur nichtinvasiven untersuchung von lebendkörpercharakteristiken mittels photoakustik

Country Status (8)

Country Link
EP (1) EP1565739B1 (de)
JP (1) JP4234393B2 (de)
KR (1) KR100722593B1 (de)
CN (2) CN1283206C (de)
AT (1) ATE492803T1 (de)
CA (1) CA2501972A1 (de)
DE (1) DE60335491D1 (de)
WO (1) WO2004042382A1 (de)

Families Citing this family (73)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2371285B1 (de) 2003-07-22 2017-01-04 Toshiba Medical Systems Corporation Vorrichtung zur Messung von biologischen Informationen
EP1711101A1 (de) * 2004-01-15 2006-10-18 Glucon Inc. Tragbarer blutzuckermesser
JP2007536053A (ja) * 2004-05-06 2007-12-13 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 生物学的細胞組織の分光分析用保護機構
EP2335579B1 (de) 2004-05-06 2017-09-20 Nippon Telegraph And Telephone Corporation Komponentenkonzentrationsmessvorrichtung und Verfahren zur Steuerung der Komponentenkonzentrationsmessvorrichtung
CN100496395C (zh) * 2004-05-06 2009-06-10 日本电信电话株式会社 成分浓度测定装置和成分浓度测定装置控制方法
WO2006104006A1 (ja) * 2005-03-29 2006-10-05 Sysmex Corporation 検体分析方法および検体分析装置
JP2007083028A (ja) * 2005-08-25 2007-04-05 Abbott Lab 非侵襲性検査装置
WO2007072300A2 (en) 2005-12-22 2007-06-28 Koninklijke Philips Electronics N.V. System for non-invasive measurement of blood glucose concentration
CN101346099B (zh) 2005-12-28 2011-10-05 皇家飞利浦电子股份有限公司 用于测量对象的皮肤水化的非侵入式***和方法
US7750536B2 (en) 2006-03-02 2010-07-06 Visualsonics Inc. High frequency ultrasonic transducer and matching layer comprising cyanoacrylate
JP4559995B2 (ja) * 2006-03-30 2010-10-13 株式会社東芝 腫瘍検査装置
JP4751271B2 (ja) * 2006-08-11 2011-08-17 東芝メディカルシステムズ株式会社 被検体組織内の被分析物の濃度測定のための光音響分析方法及び光音響分析装置
US8040516B2 (en) * 2006-11-10 2011-10-18 Koninklijke Philips Electronics N.V. Oscillator element for photo acoustic detector
CN100438829C (zh) * 2006-12-21 2008-12-03 浙江大学 光学相干层析技术眼底成像的血糖无损检测装置
JP5546111B2 (ja) * 2007-06-29 2014-07-09 キヤノン株式会社 超音波探触子、該超音波探触子を備えた検査装置
US20090005685A1 (en) 2007-06-29 2009-01-01 Canon Kabushiki Kaisha Ultrasonic probe and inspection apparatus equipped with the ultrasonic probe
JP5157324B2 (ja) * 2007-08-31 2013-03-06 株式会社村田製作所 圧電構造体とそれを備えたスピーカー
JP5628038B2 (ja) * 2007-10-16 2014-11-19 コーニンクレッカ フィリップス エヌ ヴェ コンパクトな照射スキームの生成及び一体化に対する装置、システム及び方法
FR2924723B1 (fr) * 2007-12-11 2010-12-17 Centre Nat Rech Scient Support solide revetu d'au moins un film de metal et d'au moins une couche d'oxyde transparent et conducteur pour la detection par spr et/ou par une methode electrochimique
JP4963482B2 (ja) * 2008-03-18 2012-06-27 日本電信電話株式会社 成分濃度測定装置及び成分濃度測定方法
US11730407B2 (en) 2008-03-28 2023-08-22 Dexcom, Inc. Polymer membranes for continuous analyte sensors
US8583204B2 (en) 2008-03-28 2013-11-12 Dexcom, Inc. Polymer membranes for continuous analyte sensors
US8682408B2 (en) 2008-03-28 2014-03-25 Dexcom, Inc. Polymer membranes for continuous analyte sensors
CN101401571B (zh) * 2008-11-21 2011-10-26 江苏钟山化工有限公司 一种油溶性增稠剂及其制法和在制备农药乳油中的应用
JP2010125260A (ja) * 2008-12-01 2010-06-10 Canon Inc 生体検査装置
JP5313016B2 (ja) * 2009-04-02 2013-10-09 日本電信電話株式会社 成分濃度分析装置及び成分濃度分析方法
JP5495718B2 (ja) * 2009-11-04 2014-05-21 キヤノン株式会社 被検体情報取得装置
US9041730B2 (en) 2010-02-12 2015-05-26 Dexcom, Inc. Receivers for analyzing and displaying sensor data
CA2797784A1 (en) * 2010-04-30 2011-11-03 Visualsonics Inc. Photoacoustic transducer and imaging system
KR101103031B1 (ko) * 2010-07-13 2012-01-05 강연균 냉장 시약장
JP5654364B2 (ja) * 2011-01-24 2015-01-14 富士フイルム株式会社 光音響画像診断装置
JP2012183295A (ja) * 2011-02-16 2012-09-27 Fujifilm Corp 光音響画像化装置
JP2012187394A (ja) * 2011-02-22 2012-10-04 Fujifilm Corp 光音響計測装置及び光音響信号検出方法
JP2012187389A (ja) * 2011-02-22 2012-10-04 Fujifilm Corp 光音響画像生成装置、及び方法
JP6010306B2 (ja) * 2011-03-10 2016-10-19 富士フイルム株式会社 光音響計測装置
JP5685214B2 (ja) * 2011-03-16 2015-03-18 富士フイルム株式会社 光音響画像生成装置及び方法
JP5896623B2 (ja) * 2011-05-02 2016-03-30 キヤノン株式会社 被検体情報取得装置およびその制御方法
JP5762118B2 (ja) 2011-05-02 2015-08-12 キヤノン株式会社 光照射装置およびその制御方法、ならびに被検体情報取得装置
JP5959803B2 (ja) * 2011-05-02 2016-08-02 キヤノン株式会社 被検体情報取得装置およびその制御方法
JP5864904B2 (ja) * 2011-05-20 2016-02-17 キヤノン株式会社 生体情報取得装置
JP5932243B2 (ja) * 2011-05-31 2016-06-08 キヤノン株式会社 装置
JP2013027481A (ja) * 2011-07-27 2013-02-07 Fujifilm Corp 光音響撮像システムおよび装置並びにそれらに使用されるプローブユニット
JP5810050B2 (ja) * 2011-08-31 2015-11-11 富士フイルム株式会社 音響画像生成装置および音響画像生成方法
CN102539330B (zh) * 2012-01-06 2014-04-16 上海交通大学 可用于无创血糖检测的非共振双腔光声池及检测方法
JP6004714B2 (ja) * 2012-04-12 2016-10-12 キヤノン株式会社 被検体情報取得装置およびその制御方法
KR101457160B1 (ko) * 2012-08-17 2014-11-03 삼성전자 주식회사 레이저 인터락 시스템 및 그 제어 방법
JP6029413B2 (ja) * 2012-10-12 2016-11-24 キヤノン株式会社 プローブ及び被検体情報取得装置
JP2014083195A (ja) * 2012-10-23 2014-05-12 Canon Inc 被検体情報取得装置および光音響プローブ用カバー
KR102270798B1 (ko) * 2013-12-16 2021-06-30 삼성메디슨 주식회사 광음향 프로브 및 광음향 진단 장치
JP5766273B2 (ja) * 2013-12-26 2015-08-19 キヤノン株式会社 測定装置
KR102143632B1 (ko) * 2013-12-30 2020-08-11 삼성메디슨 주식회사 광음향 프로브 및 광음향 진단장치
CA2942379C (en) 2014-03-12 2021-08-24 Fujifilm Sonosite, Inc. High frequency ultrasound transducer having an ultrasonic lens with integral central matching layer
JP5885768B2 (ja) * 2014-03-17 2016-03-15 キヤノン株式会社 生体検査装置
KR101583302B1 (ko) 2014-04-18 2016-01-07 부경대학교 산학협력단 진단 치료 겸용 광융합형 초음파기기
JP6012776B2 (ja) * 2015-01-08 2016-10-25 キヤノン株式会社 被検体情報取得装置および被検体情報取得装置の制御方法
CN104706363B (zh) * 2015-03-20 2017-02-22 杨立峰 一种复合型光声无损动态血糖检测仪
JP6120908B2 (ja) * 2015-06-11 2017-04-26 キヤノン株式会社 装置及びその制御方法、ならびに被検体情報取得装置
JP6188843B2 (ja) * 2016-02-08 2017-08-30 キヤノン株式会社 生体検査装置
EP3210539B1 (de) 2016-02-24 2019-09-11 Nokia Technologies Oy Intraorale röntgenstrahluntersuchung
US10366269B2 (en) 2016-05-06 2019-07-30 Qualcomm Incorporated Biometric system with photoacoustic imaging
US10235551B2 (en) 2016-05-06 2019-03-19 Qualcomm Incorporated Biometric system with photoacoustic imaging
JP6157693B2 (ja) * 2016-06-23 2017-07-05 キヤノン株式会社 被検体情報取得装置およびその制御方法
JP6385526B2 (ja) * 2017-06-08 2018-09-05 キヤノン株式会社 装置および装置の制御方法
JP6444462B2 (ja) * 2017-08-03 2018-12-26 キヤノン株式会社 生体検査装置
JP6787852B2 (ja) 2017-08-09 2020-11-18 Ｊｆｅミネラル株式会社 圧電単結晶インゴットの製造方法および圧電単結晶インゴット
JP6463450B2 (ja) * 2017-12-08 2019-02-06 キヤノン株式会社 情報取得装置
CN108181242A (zh) * 2018-03-20 2018-06-19 江西科技师范大学 一种血糖光声无损检测装置及方法
CN108464837B (zh) * 2018-05-04 2020-10-23 重庆大学 一种面向家庭医疗的血液粘度光学诊疗一体化仪器及方法
JP2018126669A (ja) * 2018-05-29 2018-08-16 キヤノン株式会社 被検体情報取得装置
CN109717863A (zh) * 2018-12-27 2019-05-07 河南正向电子科技有限公司 一种医疗床电磁波采集***
KR102262755B1 (ko) * 2019-05-15 2021-06-08 서강대학교산학협력단 초음파 변환기 및 초음파 변환기의 제작방법
CN110811636A (zh) * 2019-10-29 2020-02-21 四川知周光声医疗科技有限公司 一种光声无创血糖检测仪
CN117043580A (zh) 2021-03-23 2023-11-10 三菱电机株式会社 生物体成分测定装置以及生物体成分测定方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4028548A (en) 1976-03-29 1977-06-07 The United States Of America As Represented By The Secretary Of The Navy IR imaging with surface wave readout
DE4400674C2 (de) * 1994-01-12 1995-10-26 Siemens Ag Photoakustischer Sensor
US6405069B1 (en) * 1996-01-31 2002-06-11 Board Of Regents, The University Of Texas System Time-resolved optoacoustic method and system for noninvasive monitoring of glucose
US5615675A (en) * 1996-04-19 1997-04-01 Regents Of The University Of Michigan Method and system for 3-D acoustic microscopy using short pulse excitation and 3-D acoustic microscope for use therein
JP3500259B2 (ja) 1996-12-02 2004-02-23 花王株式会社 光音響信号測定装置
JPH11187492A (ja) * 1997-10-06 1999-07-09 Sumitomo Electric Ind Ltd 複合超音波変換器
US5941821A (en) 1997-11-25 1999-08-24 Trw Inc. Method and apparatus for noninvasive measurement of blood glucose by photoacoustics
US6241663B1 (en) * 1998-05-18 2001-06-05 Abbott Laboratories Method for improving non-invasive determination of the concentration of analytes in a biological sample
JP2002202258A (ja) * 2000-12-28 2002-07-19 Bios Ikagaku Kenkyusho:Kk 分光光学的血糖値測定装置

Also Published As

Publication number Publication date
JP2004147940A (ja) 2004-05-27
CN1283206C (zh) 2006-11-08
CA2501972A1 (en) 2004-05-21
CN1493252A (zh) 2004-05-05
EP1565739B1 (de) 2010-12-22
KR100722593B1 (ko) 2007-05-28
JP4234393B2 (ja) 2009-03-04
ATE492803T1 (de) 2011-01-15
WO2004042382A1 (en) 2004-05-21
KR20040040284A (ko) 2004-05-12
EP1565739A1 (de) 2005-08-24
CN1765318A (zh) 2006-05-03

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