GB9605687D0 - Determination of absorption coefficients and modified scattering coefficients - Google Patents

Determination of absorption coefficients and modified scattering coefficients

Info

Publication number
GB9605687D0
GB9605687D0 GBGB9605687.4A GB9605687A GB9605687D0 GB 9605687 D0 GB9605687 D0 GB 9605687D0 GB 9605687 A GB9605687 A GB 9605687A GB 9605687 D0 GB9605687 D0 GB 9605687D0
Authority
GB
United Kingdom
Prior art keywords
coefficients
determination
absorption
modified scattering
modified
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.)
Withdrawn
Application number
GBGB9605687.4A
Other versions
GB2311366A (en
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.)
University College London
Original Assignee
University College London
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 University College London filed Critical University College London
Priority to GB9605687A priority Critical patent/GB2311366A/en
Publication of GB9605687D0 publication Critical patent/GB9605687D0/en
Priority to JP9533261A priority patent/JP2000507348A/en
Priority to PCT/GB1997/000767 priority patent/WO1997035179A1/en
Publication of GB2311366A publication Critical patent/GB2311366A/en
Withdrawn legal-status Critical Current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
    • A61B5/1464—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 specially adapted for foetal tissue
    • 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
    • A61B5/14542—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 blood gases
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Veterinary Medicine (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Pediatric Medicine (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
GB9605687A 1996-03-19 1996-03-19 Determining absorption coefficients or modified scattering ceofficients Withdrawn GB2311366A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB9605687A GB2311366A (en) 1996-03-19 1996-03-19 Determining absorption coefficients or modified scattering ceofficients
JP9533261A JP2000507348A (en) 1996-03-19 1997-03-19 Measurement of extinction coefficient and modified scattering coefficient
PCT/GB1997/000767 WO1997035179A1 (en) 1996-03-19 1997-03-19 Determination of absorption coefficients and modified scattering coefficients

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9605687A GB2311366A (en) 1996-03-19 1996-03-19 Determining absorption coefficients or modified scattering ceofficients

Publications (2)

Publication Number Publication Date
GB9605687D0 true GB9605687D0 (en) 1996-05-22
GB2311366A GB2311366A (en) 1997-09-24

Family

ID=10790603

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9605687A Withdrawn GB2311366A (en) 1996-03-19 1996-03-19 Determining absorption coefficients or modified scattering ceofficients

Country Status (3)

Country Link
JP (1) JP2000507348A (en)
GB (1) GB2311366A (en)
WO (1) WO1997035179A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7328059B2 (en) 1996-08-23 2008-02-05 The Texas A & M University System Imaging of light scattering tissues with fluorescent contrast agents
US7865230B1 (en) 1997-02-07 2011-01-04 Texas A&M University System Method and system for detecting sentinel lymph nodes
US7054002B1 (en) 1999-10-08 2006-05-30 The Texas A&M University System Characterization of luminescence in a scattering medium
US6930777B1 (en) 2001-04-03 2005-08-16 The Texas A&M University System Method for characterizing particles in suspension from frequency domain photon migration measurements
EP1390714A2 (en) * 2001-04-03 2004-02-25 THE TEXAS A & M UNIVERSITY SYSTEMS Method for characterising particles in suspension from frequency domain photon migration measurements
CA2533621C (en) 2003-06-20 2013-12-10 The Texas A & M University System Method and system for near-infrared fluorescence contrast-enhanced imaging with area illumination and area detection
JP2009233404A (en) * 2009-07-21 2009-10-15 Panasonic Electric Works Co Ltd Non-invasive type quantifying instrument of biological component
KR101989155B1 (en) * 2012-08-01 2019-06-17 삼성전자주식회사 The ultrasonic wave converter, the ultrasonic wave generating apparatus and system including the same
US20170340252A1 (en) * 2014-12-22 2017-11-30 Hitachi, Ltd. Device for optical measurement of living body, analysis device, and analysis method
JP6570852B2 (en) 2015-03-20 2019-09-04 株式会社東芝 Biological component estimation device, biological component estimation method, and program
JP6604611B2 (en) * 2016-01-08 2019-11-13 株式会社三菱ケミカルホールディングス Non-invasive biological lipid measuring instrument and non-invasive biological lipid measuring method
WO2018087523A1 (en) * 2016-11-08 2018-05-17 Ucl Business Plc A device and method for determining optical properties of a medium

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8700061D0 (en) * 1987-01-05 1987-02-11 Whatman Reeve Angel Plc Light absorption analyser
CA1328018C (en) * 1987-11-13 1994-03-22 Masahiko Kanda Liver function testing apparatus
JP3107914B2 (en) * 1992-07-20 2000-11-13 浜松ホトニクス株式会社 Apparatus and method for measuring absorption information inside scattering absorber

Also Published As

Publication number Publication date
WO1997035179A1 (en) 1997-09-25
GB2311366A (en) 1997-09-24
JP2000507348A (en) 2000-06-13

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)