WO2003008944A1 - Instrument de mesure optique biologique - Google Patents

Instrument de mesure optique biologique Download PDF

Info

Publication number
WO2003008944A1
WO2003008944A1 PCT/JP2002/007350 JP0207350W WO03008944A1 WO 2003008944 A1 WO2003008944 A1 WO 2003008944A1 JP 0207350 W JP0207350 W JP 0207350W WO 03008944 A1 WO03008944 A1 WO 03008944A1
Authority
WO
WIPO (PCT)
Prior art keywords
signal
light
storage means
digitizing
measuring instrument
Prior art date
Application number
PCT/JP2002/007350
Other languages
English (en)
French (fr)
Inventor
Tsuneaki Kawaguchi
Eiji Furuzono
Mikihiro Kaga
Satoshi Onozuka
Original Assignee
Hitachi Medical Corporation
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 Hitachi Medical Corporation filed Critical Hitachi Medical Corporation
Priority to EP02749322A priority Critical patent/EP1420242A4/en
Priority to US10/484,004 priority patent/US7460894B2/en
Publication of WO2003008944A1 publication Critical patent/WO2003008944A1/ja

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
    • G01N21/4795—Scattering, i.e. diffuse reflection spatially resolved investigating of object in scattering medium
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
PCT/JP2002/007350 2001-07-19 2002-07-19 Instrument de mesure optique biologique WO2003008944A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP02749322A EP1420242A4 (en) 2001-07-19 2002-07-19 BIOLOGICAL OPTICAL MEASUREMENT INSTRUMENT
US10/484,004 US7460894B2 (en) 2001-07-19 2002-07-19 Biological optical measuring instrument

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2001220093 2001-07-19
JP2001-220093 2001-07-19
JP2002-90000 2002-03-27
JP2002090000A JP4112882B2 (ja) 2001-07-19 2002-03-27 生体光計測装置

Publications (1)

Publication Number Publication Date
WO2003008944A1 true WO2003008944A1 (fr) 2003-01-30

Family

ID=26619036

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2002/007350 WO2003008944A1 (fr) 2001-07-19 2002-07-19 Instrument de mesure optique biologique

Country Status (5)

Country Link
US (1) US7460894B2 (ja)
EP (1) EP1420242A4 (ja)
JP (1) JP4112882B2 (ja)
CN (1) CN1242252C (ja)
WO (1) WO2003008944A1 (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0613165D0 (en) * 2006-06-28 2006-08-09 Univ Warwick Real-time infrared measurement and imaging system
WO2011121346A1 (en) * 2010-03-29 2011-10-06 Inspection Technologies Limited Inspection apparatus and method
JP5333370B2 (ja) * 2010-07-22 2013-11-06 株式会社島津製作所 ガス濃度測定装置
JP5927805B2 (ja) * 2011-08-12 2016-06-01 株式会社ニコン エンコーダ装置、及び装置
JPWO2014208349A1 (ja) * 2013-06-27 2017-02-23 国立大学法人電気通信大学 光学測定装置及び光学測定方法
CN104406921B (zh) * 2014-12-15 2017-02-08 中国农业大学 一种光学检测系统和方法
US10698013B2 (en) 2015-11-27 2020-06-30 Samsung Electronics Co., Ltd. Lock-in amplifier, integrated circuit and portable measurement device including the same
JP6609738B2 (ja) * 2016-02-10 2019-11-27 株式会社ＮｅＵ 生体光計測装置及び生体光計測方法
DE102016120785A1 (de) * 2016-11-01 2018-05-03 Krohne Messtechnik Gmbh Verfahren und Messgerät zur Bestimmung einer Eigenschaft eines Mediums
JP6540670B2 (ja) * 2016-11-29 2019-07-10 横河電機株式会社 信号検出装置及び光学特性測定装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58140624A (ja) * 1982-02-17 1983-08-20 Kokusai Denshin Denwa Co Ltd <Kdd> 光損失変動量測定方式
JPH08512217A (ja) * 1993-03-31 1996-12-24 ネルコー・ピューリタン・ベネット・インコーポレイテッド パルス酸素計用電子プロセッサ
WO1999040841A1 (en) * 1998-02-11 1999-08-19 Non-Invasive Technology, Inc. Imaging and characterization of brain tissue
US6011401A (en) * 1997-05-20 2000-01-04 Raytheon Company Reference-free direct digital lock-in method and apparatus
JP2001159601A (ja) * 1999-11-30 2001-06-12 Mitsubishi Chemicals Corp 光学的測定装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58150624A (ja) 1982-03-04 1983-09-07 Shinmei Sangyo Kk 杭打ち基礎工法
US4796236A (en) * 1986-12-29 1989-01-03 General Electric Company Architecture for ultrasonic imaging
JPH02257929A (ja) 1989-03-09 1990-10-18 Makutaa Kk 生体透過率測定器
JPH0430404A (ja) 1990-05-25 1992-02-03 Mitsui Petrochem Ind Ltd 磁性積層体
US5632272A (en) * 1991-03-07 1997-05-27 Masimo Corporation Signal processing apparatus
JPH0634681A (ja) 1992-07-16 1994-02-10 Yokogawa Electric Corp Ｆｆｔアナライザ
US5553615A (en) * 1994-01-31 1996-09-10 Minnesota Mining And Manufacturing Company Method and apparatus for noninvasive prediction of hematocrit
JPH08278250A (ja) 1995-04-07 1996-10-22 Hitachi Ltd 光熱信号検出方法及び装置
US5800348A (en) * 1995-08-31 1998-09-01 Hewlett-Packard Company Apparatus and method for medical monitoring, in particular pulse oximeter
JP2919335B2 (ja) * 1996-02-06 1999-07-12 埼玉日本電気株式会社 Ａｆｃ型発振回路
US5919134A (en) * 1997-04-14 1999-07-06 Masimo Corp. Method and apparatus for demodulating signals in a pulse oximetry system
US5995858A (en) * 1997-11-07 1999-11-30 Datascope Investment Corp. Pulse oximeter
JP2000300569A (ja) 1999-04-20 2000-10-31 Hitachi Medical Corp 生体光計測装置
JP2000304695A (ja) 1999-04-23 2000-11-02 Mitsubishi Heavy Ind Ltd 排ガス中の三酸化硫黄濃度測定装置
US6632402B2 (en) * 2001-01-24 2003-10-14 Ntc Technology Inc. Oxygen monitoring apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58140624A (ja) * 1982-02-17 1983-08-20 Kokusai Denshin Denwa Co Ltd <Kdd> 光損失変動量測定方式
JPH08512217A (ja) * 1993-03-31 1996-12-24 ネルコー・ピューリタン・ベネット・インコーポレイテッド パルス酸素計用電子プロセッサ
US6011401A (en) * 1997-05-20 2000-01-04 Raytheon Company Reference-free direct digital lock-in method and apparatus
WO1999040841A1 (en) * 1998-02-11 1999-08-19 Non-Invasive Technology, Inc. Imaging and characterization of brain tissue
JP2001159601A (ja) * 1999-11-30 2001-06-12 Mitsubishi Chemicals Corp 光学的測定装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP1420242A4 *

Also Published As

Publication number Publication date
EP1420242A1 (en) 2004-05-19
US7460894B2 (en) 2008-12-02
EP1420242A4 (en) 2009-11-11
JP2003098071A (ja) 2003-04-03
CN1545618A (zh) 2004-11-10
CN1242252C (zh) 2006-02-15
US20040236195A1 (en) 2004-11-25
JP4112882B2 (ja) 2008-07-02

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