DE69535012D1 - Verfahren und Vorrichtung zur Messung der Konzentration von absorbierenden Bestandteilen in einem streuenden Medium - Google Patents

Verfahren und Vorrichtung zur Messung der Konzentration von absorbierenden Bestandteilen in einem streuenden Medium

Info

Publication number
DE69535012D1
DE69535012D1 DE69535012T DE69535012T DE69535012D1 DE 69535012 D1 DE69535012 D1 DE 69535012D1 DE 69535012 T DE69535012 T DE 69535012T DE 69535012 T DE69535012 T DE 69535012T DE 69535012 D1 DE69535012 D1 DE 69535012D1
Authority
DE
Germany
Prior art keywords
concentration
measuring
scattering medium
absorbing components
absorbing
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
DE69535012T
Other languages
English (en)
Other versions
DE69535012T2 (de
Inventor
Yutaka Tsuchiya
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.)
Hamamatsu Photonics KK
Original Assignee
Hamamatsu Photonics KK
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 Hamamatsu Photonics KK filed Critical Hamamatsu Photonics KK
Publication of DE69535012D1 publication Critical patent/DE69535012D1/de
Application granted granted Critical
Publication of DE69535012T2 publication Critical patent/DE69535012T2/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
    • A61B5/145—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
    • A61B5/14551—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 for measuring blood gases
    • A61B5/14553—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 for measuring blood gases specially adapted for cerebral tissue
    • 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
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/02—Details of sensors specially adapted for in-vivo measurements
    • A61B2562/0233—Special features of optical sensors or probes classified in A61B5/00
    • A61B2562/0242—Special features of optical sensors or probes classified in A61B5/00 for varying or adjusting the optical path length in the tissue
DE69535012T 1994-09-22 1995-09-22 Verfahren und Vorrichtung zur Messung der Konzentration von absorbierenden Bestandteilen in einem streuenden Medium Expired - Lifetime DE69535012T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP22825394 1994-09-22
JP6228253A JP2780935B2 (ja) 1994-09-22 1994-09-22 散乱吸収体の吸収成分の濃度計測方法及び装置

Publications (2)

Publication Number Publication Date
DE69535012D1 true DE69535012D1 (de) 2006-07-06
DE69535012T2 DE69535012T2 (de) 2007-01-11

Family

ID=16873575

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69535012T Expired - Lifetime DE69535012T2 (de) 1994-09-22 1995-09-22 Verfahren und Vorrichtung zur Messung der Konzentration von absorbierenden Bestandteilen in einem streuenden Medium

Country Status (4)

Country Link
US (1) US5694931A (de)
EP (1) EP0703445B1 (de)
JP (1) JP2780935B2 (de)
DE (1) DE69535012T2 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5524617A (en) * 1995-03-14 1996-06-11 Nellcor, Incorporated Isolated layer pulse oximetry
GB2304187B (en) * 1995-08-07 1998-12-30 Dia Stron Ltd Translucency measurement
GB9517366D0 (en) * 1995-08-24 1995-10-25 Johnson & Johnson Medical Method of quantatively determining one or more characteristics of a substance
JP3844815B2 (ja) 1996-08-30 2006-11-15 浜松ホトニクス株式会社 散乱体の吸収情報計測方法及び装置
JP3660761B2 (ja) * 1996-10-03 2005-06-15 技術研究組合医療福祉機器研究所 散乱体の吸収情報の計測方法及び装置
US6124597A (en) * 1997-07-07 2000-09-26 Cedars-Sinai Medical Center Method and devices for laser induced fluorescence attenuation spectroscopy
JP4018799B2 (ja) * 1998-04-02 2007-12-05 浜松ホトニクス株式会社 散乱吸収体の吸収成分の濃度計測方法及び装置
JP3887486B2 (ja) * 1998-05-26 2007-02-28 浜松ホトニクス株式会社 散乱吸収体の内部特性分布の計測方法及び装置
US6332093B1 (en) 1998-08-06 2001-12-18 Art Recherches Et Technologies Avancees Inc./Art Advanced Research Technologies, Inc. Scanning module for imaging through scattering media
JP3950243B2 (ja) 1998-11-05 2007-07-25 浜松ホトニクス株式会社 散乱吸収体の内部情報の計測方法及び装置
DE69929380T2 (de) 1998-12-07 2006-08-31 Hitachi, Ltd. Vorrichtung zur Steuerung von Anlagen mit Hilfe von Körpersignalen
US7047054B2 (en) 1999-03-12 2006-05-16 Cas Medical Systems, Inc. Laser diode optical transducer assembly for non-invasive spectrophotometric blood oxygenation monitoring
US6564088B1 (en) * 2000-01-21 2003-05-13 University Of Massachusetts Probe for localized tissue spectroscopy
AU2003254135B2 (en) 2002-07-26 2006-11-16 Cas Medical Systems, Inc. Method for spectrophotometric blood oxygenation monitoring
DE102004011631B4 (de) * 2004-03-10 2011-03-24 Ott, Lutz, Dipl.-Ing. Verfahren und Vorrichtung zur tiefenselektiven Detektion von Spontanaktivitäten und allgemeinen Muskelaktivitäten
US7952692B2 (en) * 2006-12-12 2011-05-31 Orsense Ltd. Method and apparatus for determination of analyte concentration
US8292809B2 (en) 2008-03-31 2012-10-23 Nellcor Puritan Bennett Llc Detecting chemical components from spectroscopic observations
WO2011122584A1 (ja) * 2010-03-29 2011-10-06 株式会社システムブレイン 食品の品質検査装置及び食品の品質検査方法
JP5710767B2 (ja) 2010-09-28 2015-04-30 マシモ コーポレイション オキシメータを含む意識深度モニタ
US9775545B2 (en) 2010-09-28 2017-10-03 Masimo Corporation Magnetic electrical connector for patient monitors
EP2635185A4 (de) 2010-11-03 2014-12-24 Univ Washington Through Its Ct For Com Ization Bestimmung der in-vivo-sauerstoffanreicherung eines gewebes
US20130310669A1 (en) * 2012-05-20 2013-11-21 Jerusalem College Of Technology Pulmonary pulse oximetry method for the measurement of oxygen saturation in the mixed venous blood
WO2015127436A2 (en) 2014-02-24 2015-08-27 The Trustees Of The University Of Pennsylvania Pressure modulation, motion detection, individualized geometry, and improved optic-skin coupling to improve long term clinical monitoring with diffuse optics
WO2016057553A1 (en) 2014-10-07 2016-04-14 Masimo Corporation Modular physiological sensors
KR102422021B1 (ko) 2017-07-27 2022-07-15 삼성전자주식회사 광 검출기 선택 장치 및 방법과, 산란계수 측정 장치 및 방법
CN116033946A (zh) * 2020-08-26 2023-04-28 松下知识产权经营株式会社 计测肌肉耗氧量的装置、方法及计算机程序

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5139025A (en) * 1983-10-14 1992-08-18 Somanetics Corporation Method and apparatus for in vivo optical spectroscopic examination
US4972331A (en) * 1989-02-06 1990-11-20 Nim, Inc. Phase modulated spectrophotometry
US5386827A (en) * 1993-03-30 1995-02-07 Nim Incorporated Quantitative and qualitative in vivo tissue examination using time resolved spectroscopy
US5119815A (en) * 1988-12-21 1992-06-09 Nim, Incorporated Apparatus for determining the concentration of a tissue pigment of known absorbance, in vivo, using the decay characteristics of scintered electromagnetic radiation
JPH0682096B2 (ja) * 1990-11-26 1994-10-19 浜松ホトニクス株式会社 散乱媒質内吸光物質の濃度測定方法及び装置
US5413098A (en) * 1991-12-24 1995-05-09 Sextant Medical Corporation Path constrained spectrophotometer and method for determination of spatial distribution of light or other radiation scattering and absorbing substances in a radiation scattering medium
US5348003A (en) * 1992-09-03 1994-09-20 Sirraya, Inc. Method and apparatus for chemical analysis
JP3310390B2 (ja) * 1993-06-10 2002-08-05 浜松ホトニクス株式会社 散乱媒質内吸光物質の濃度測定方法および装置

Also Published As

Publication number Publication date
DE69535012T2 (de) 2007-01-11
US5694931A (en) 1997-12-09
JPH0894517A (ja) 1996-04-12
JP2780935B2 (ja) 1998-07-30
EP0703445A2 (de) 1996-03-27
EP0703445A3 (de) 1997-10-08
EP0703445B1 (de) 2006-05-31

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