DE69417473D1 - Verfahren und Gerät zur Messung eines absorbierenden Bestandteils in einem streuender Medium - Google Patents

Verfahren und Gerät zur Messung eines absorbierenden Bestandteils in einem streuender Medium

Info

Publication number
DE69417473D1
DE69417473D1 DE69417473T DE69417473T DE69417473D1 DE 69417473 D1 DE69417473 D1 DE 69417473D1 DE 69417473 T DE69417473 T DE 69417473T DE 69417473 T DE69417473 T DE 69417473T DE 69417473 D1 DE69417473 D1 DE 69417473D1
Authority
DE
Germany
Prior art keywords
measuring
scattering medium
absorbent component
absorbent
component
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
DE69417473T
Other languages
English (en)
Other versions
DE69417473T2 (de
Inventor
Motoki Oda
Yutaka Yamashita
Kazuyoshi Ohta
Mamoru Tamura
Goro Nishimura
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 DE69417473D1 publication Critical patent/DE69417473D1/de
Application granted granted Critical
Publication of DE69417473T2 publication Critical patent/DE69417473T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G01N21/4795—Scattering, i.e. diffuse reflection spatially resolved investigating of object in scattering medium
    • G01N2021/4797—Scattering, i.e. diffuse reflection spatially resolved investigating of object in scattering medium time resolved, e.g. analysis of ballistic photons

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Neurology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Biophysics (AREA)
  • Biochemistry (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE69417473T 1993-06-10 1994-06-09 Verfahren und Gerät zur Messung eines absorbierenden Bestandteils in einem streuender Medium Expired - Lifetime DE69417473T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13873693A JP3310390B2 (ja) 1993-06-10 1993-06-10 散乱媒質内吸光物質の濃度測定方法および装置

Publications (2)

Publication Number Publication Date
DE69417473D1 true DE69417473D1 (de) 1999-05-06
DE69417473T2 DE69417473T2 (de) 1999-09-30

Family

ID=15228974

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69417473T Expired - Lifetime DE69417473T2 (de) 1993-06-10 1994-06-09 Verfahren und Gerät zur Messung eines absorbierenden Bestandteils in einem streuender Medium

Country Status (4)

Country Link
US (1) US5582169A (de)
EP (1) EP0628804B1 (de)
JP (1) JP3310390B2 (de)
DE (1) DE69417473T2 (de)

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JPH0961359A (ja) * 1995-08-29 1997-03-07 Hamamatsu Photonics Kk 濃度測定装置
EP0812149A2 (de) * 1995-12-22 1997-12-17 Koninklijke Philips Electronics N.V. Vorrichtung zur lokalisation eines körpers in einem trüben medium
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US6404497B1 (en) 1999-01-25 2002-06-11 Massachusetts Institute Of Technology Polarized light scattering spectroscopy of tissue
US6675031B1 (en) 1999-04-14 2004-01-06 Mallinckrodt Inc. Method and circuit for indicating quality and accuracy of physiological measurements
US6138046A (en) * 1999-04-20 2000-10-24 Miravant Medical Technologies, Inc. Dosimetry probe
DE60035983T2 (de) 1999-04-21 2008-05-15 Hamamatsu Photonics K.K., Hamamatsu Verfahren zur optischen analyse eines inhomogenen mediums
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US8224412B2 (en) 2000-04-17 2012-07-17 Nellcor Puritan Bennett Llc Pulse oximeter sensor with piece-wise function
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JP2003202287A (ja) * 2002-01-08 2003-07-18 Hamamatsu Photonics Kk 散乱吸収体測定方法及び装置
US7190986B1 (en) 2002-10-18 2007-03-13 Nellcor Puritan Bennett Inc. Non-adhesive oximeter sensor for sensitive skin
JP4167144B2 (ja) * 2003-07-29 2008-10-15 浜松ホトニクス株式会社 散乱吸収体計測装置
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US8145288B2 (en) 2006-08-22 2012-03-27 Nellcor Puritan Bennett Llc Medical sensor for reducing signal artifacts and technique for using the same
US8219170B2 (en) 2006-09-20 2012-07-10 Nellcor Puritan Bennett Llc System and method for practicing spectrophotometry using light emitting nanostructure devices
US8396527B2 (en) 2006-09-22 2013-03-12 Covidien Lp Medical sensor for reducing signal artifacts and technique for using the same
US8190225B2 (en) 2006-09-22 2012-05-29 Nellcor Puritan Bennett Llc Medical sensor for reducing signal artifacts and technique for using the same
US8175671B2 (en) 2006-09-22 2012-05-08 Nellcor Puritan Bennett Llc Medical sensor for reducing signal artifacts and technique for using the same
US7869849B2 (en) 2006-09-26 2011-01-11 Nellcor Puritan Bennett Llc Opaque, electrically nonconductive region on a medical sensor
US7574245B2 (en) 2006-09-27 2009-08-11 Nellcor Puritan Bennett Llc Flexible medical sensor enclosure
US7796403B2 (en) 2006-09-28 2010-09-14 Nellcor Puritan Bennett Llc Means for mechanical registration and mechanical-electrical coupling of a faraday shield to a photodetector and an electrical circuit
US7890153B2 (en) 2006-09-28 2011-02-15 Nellcor Puritan Bennett Llc System and method for mitigating interference in pulse oximetry
US7684842B2 (en) 2006-09-29 2010-03-23 Nellcor Puritan Bennett Llc System and method for preventing sensor misuse
US7476131B2 (en) 2006-09-29 2009-01-13 Nellcor Puritan Bennett Llc Device for reducing crosstalk
US8175667B2 (en) 2006-09-29 2012-05-08 Nellcor Puritan Bennett Llc Symmetric LED array for pulse oximetry
US8068891B2 (en) 2006-09-29 2011-11-29 Nellcor Puritan Bennett Llc Symmetric LED array for pulse oximetry
US7680522B2 (en) 2006-09-29 2010-03-16 Nellcor Puritan Bennett Llc Method and apparatus for detecting misapplied sensors
US8280469B2 (en) 2007-03-09 2012-10-02 Nellcor Puritan Bennett Llc Method for detection of aberrant tissue spectra
US8265724B2 (en) 2007-03-09 2012-09-11 Nellcor Puritan Bennett Llc Cancellation of light shunting
US7894869B2 (en) 2007-03-09 2011-02-22 Nellcor Puritan Bennett Llc Multiple configuration medical sensor and technique for using the same
US8346328B2 (en) 2007-12-21 2013-01-01 Covidien Lp Medical sensor and technique for using the same
US8352004B2 (en) 2007-12-21 2013-01-08 Covidien Lp Medical sensor and technique for using the same
US8366613B2 (en) 2007-12-26 2013-02-05 Covidien Lp LED drive circuit for pulse oximetry and method for using same
US8577434B2 (en) 2007-12-27 2013-11-05 Covidien Lp Coaxial LED light sources
US8452364B2 (en) 2007-12-28 2013-05-28 Covidien LLP System and method for attaching a sensor to a patient's skin
US8442608B2 (en) 2007-12-28 2013-05-14 Covidien Lp System and method for estimating physiological parameters by deconvolving artifacts
US8199007B2 (en) 2007-12-31 2012-06-12 Nellcor Puritan Bennett Llc Flex circuit snap track for a biometric sensor
US8897850B2 (en) 2007-12-31 2014-11-25 Covidien Lp Sensor with integrated living hinge and spring
US8092993B2 (en) 2007-12-31 2012-01-10 Nellcor Puritan Bennett Llc Hydrogel thin film for use as a biosensor
US8070508B2 (en) 2007-12-31 2011-12-06 Nellcor Puritan Bennett Llc Method and apparatus for aligning and securing a cable strain relief
US8437822B2 (en) 2008-03-28 2013-05-07 Covidien Lp System and method for estimating blood analyte concentration
US8112375B2 (en) 2008-03-31 2012-02-07 Nellcor Puritan Bennett Llc Wavelength selection and outlier detection in reduced rank linear models
US7887345B2 (en) 2008-06-30 2011-02-15 Nellcor Puritan Bennett Llc Single use connector for pulse oximetry sensors
US7880884B2 (en) 2008-06-30 2011-02-01 Nellcor Puritan Bennett Llc System and method for coating and shielding electronic sensor components
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US8364220B2 (en) 2008-09-25 2013-01-29 Covidien Lp Medical sensor and technique for using the same
US8914088B2 (en) 2008-09-30 2014-12-16 Covidien Lp Medical sensor and technique for using the same
US8423112B2 (en) 2008-09-30 2013-04-16 Covidien Lp Medical sensor and technique for using the same
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US8452366B2 (en) 2009-03-16 2013-05-28 Covidien Lp Medical monitoring device with flexible circuitry
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US8634891B2 (en) 2009-05-20 2014-01-21 Covidien Lp Method and system for self regulation of sensor component contact pressure
US8505821B2 (en) 2009-06-30 2013-08-13 Covidien Lp System and method for providing sensor quality assurance
US9010634B2 (en) 2009-06-30 2015-04-21 Covidien Lp System and method for linking patient data to a patient and providing sensor quality assurance
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US9775545B2 (en) 2010-09-28 2017-10-03 Masimo Corporation Magnetic electrical connector for patient monitors
US8821397B2 (en) 2010-09-28 2014-09-02 Masimo Corporation Depth of consciousness monitor including oximeter
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CN107613850A (zh) * 2015-04-09 2018-01-19 通用医疗公司 用于时间分辨漫射相关谱的系统和方法
CN106361269A (zh) * 2015-07-23 2017-02-01 松下知识产权经营株式会社 光检测装置以及光检测方法
SE1500335A1 (sv) * 2015-08-17 2017-02-18 Utrustning och metod för intern laserbelysning för medicinskgasanalys
US20230363657A1 (en) * 2020-10-01 2023-11-16 University Of South Florida Pathlength resolved cw-light source based diffuse correlation spectroscopy
CN113884417B (zh) * 2021-06-25 2023-10-27 张玉芝 一种用于复合气体的综合检测装置

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Also Published As

Publication number Publication date
EP0628804A1 (de) 1994-12-14
US5582169A (en) 1996-12-10
DE69417473T2 (de) 1999-09-30
JPH06343625A (ja) 1994-12-20
EP0628804B1 (de) 1999-03-31
JP3310390B2 (ja) 2002-08-05

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