JPH0371135B2 - - Google Patents

Info

Publication number
JPH0371135B2
JPH0371135B2 JP63319772A JP31977288A JPH0371135B2 JP H0371135 B2 JPH0371135 B2 JP H0371135B2 JP 63319772 A JP63319772 A JP 63319772A JP 31977288 A JP31977288 A JP 31977288A JP H0371135 B2 JPH0371135 B2 JP H0371135B2
Authority
JP
Japan
Prior art keywords
light
wavelength
hemoglobin
log
extinction coefficient
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
JP63319772A
Other languages
English (en)
Japanese (ja)
Other versions
JPH02164341A (ja
Inventor
Kazuo Yamaguchi
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.)
Nippon Koden Corp
Original Assignee
Nippon Koden Corp
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 Nippon Koden Corp filed Critical Nippon Koden Corp
Priority to JP63319772A priority Critical patent/JPH02164341A/ja
Priority to US07/450,979 priority patent/US5127406A/en
Publication of JPH02164341A publication Critical patent/JPH02164341A/ja
Publication of JPH0371135B2 publication Critical patent/JPH0371135B2/ja
Granted legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/145Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1455Measuring 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/314Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Veterinary Medicine (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 Biological Materials (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
JP63319772A 1988-12-19 1988-12-19 ヘモグロビン濃度測定装置 Granted JPH02164341A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP63319772A JPH02164341A (ja) 1988-12-19 1988-12-19 ヘモグロビン濃度測定装置
US07/450,979 US5127406A (en) 1988-12-19 1989-12-15 Apparatus for measuring concentration of substances in blood

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63319772A JPH02164341A (ja) 1988-12-19 1988-12-19 ヘモグロビン濃度測定装置

Publications (2)

Publication Number Publication Date
JPH02164341A JPH02164341A (ja) 1990-06-25
JPH0371135B2 true JPH0371135B2 (US06236872-20010522-M00003.png) 1991-11-12

Family

ID=18114009

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63319772A Granted JPH02164341A (ja) 1988-12-19 1988-12-19 ヘモグロビン濃度測定装置

Country Status (2)

Country Link
US (1) US5127406A (US06236872-20010522-M00003.png)
JP (1) JPH02164341A (US06236872-20010522-M00003.png)

Families Citing this family (110)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6067504A (en) 1983-07-18 2000-05-23 Chromatics Color Sciences International, Inc. Method for correctly identifying hair color
US5671735A (en) * 1983-07-18 1997-09-30 Chromatics Color Sciences International, Inc. Method and apparatus for detecting and measuring conditions affecting color
US6128516A (en) * 1994-05-09 2000-10-03 Chromatics Color Sciences International Inc. Method and apparatus for detecting and measuring conditions affecting color
US6725072B2 (en) * 1990-10-06 2004-04-20 Hema Metrics, Inc. Sensor for transcutaneous measurement of vascular access blood flow
US6246894B1 (en) 1993-02-01 2001-06-12 In-Line Diagnostics Corporation System and method for measuring blood urea nitrogen, blood osmolarity, plasma free hemoglobin and tissue water content
US5259382A (en) * 1991-03-04 1993-11-09 Kronberg James W Optical transcutaneous bilirubin detector
US6157445A (en) * 1992-01-07 2000-12-05 Chromatics Color Sciences International, Inc. Method and apparatus for detecting and measuring conditions affecting color
US6308088B1 (en) 1992-01-07 2001-10-23 Chromatics Color Sciences International, Inc. Method and apparatus for detecting and measuring conditions affecting color
EP0555553A3 (en) * 1992-02-07 1993-09-08 Boc Health Care, Inc. Improved arterial blood monitoring system
US5297548A (en) * 1992-02-07 1994-03-29 Ohmeda Inc. Arterial blood monitoring probe
US5377674A (en) * 1992-05-08 1995-01-03 Kuestner; J. Todd Method for non-invasive and in-vitro hemoglobin concentration measurement
JP3116252B2 (ja) * 1992-07-09 2000-12-11 日本光電工業株式会社 パルスオキシメータ
US5321265A (en) * 1992-07-15 1994-06-14 Block Myron J Non-invasive testing
US5398681A (en) * 1992-12-10 1995-03-21 Sunshine Medical Instruments, Inc. Pocket-type instrument for non-invasive measurement of blood glucose concentration
US5448992A (en) * 1992-12-10 1995-09-12 Sunshine Medical Instruments, Inc. Method and apparatus for non-invasive phase sensitive measurement of blood glucose concentration
US5487384A (en) * 1993-02-25 1996-01-30 Blue Marble Research, Inc. Kinematic assay of plasma glucose concentration without blood sampling
AU6186494A (en) * 1993-05-07 1994-11-10 Diasense, Inc. Non-invasive determination of analyte concentration using non-continuous radiation
US5383452A (en) * 1993-07-01 1995-01-24 Buchert; Janusz Method, apparatus and procedure for non-invasive monitoring blood glucose by measuring the polarization ratio of blood luminescence
JP3364819B2 (ja) * 1994-04-28 2003-01-08 日本光電工業株式会社 血中吸光物質濃度測定装置
DE4429758A1 (de) * 1994-08-22 1996-02-29 Buschmann Johannes Verfahren zur Validierung von Vorrichtungen zur Fotometrie lebender Gewebe sowie Vorrichtung zur Durchführung des Verfahrens
US5743262A (en) * 1995-06-07 1998-04-28 Masimo Corporation Blood glucose monitoring system
US5995860A (en) * 1995-07-06 1999-11-30 Thomas Jefferson University Implantable sensor and system for measurement and control of blood constituent levels
WO1998001071A1 (en) * 1996-07-08 1998-01-15 Animas Corporation Implantable sensor and system for in vivo measurement and control of fluid constituent levels
AT404513B (de) * 1996-07-12 1998-12-28 Avl Verbrennungskraft Messtech Verfahren und messanordnung zur optischen bestimmung der totalen hämoglobinkonzentration
US6018673A (en) 1996-10-10 2000-01-25 Nellcor Puritan Bennett Incorporated Motion compatible sensor for non-invasive optical blood analysis
WO1998023916A1 (fr) * 1996-11-26 1998-06-04 Omron Corporation Procede et appareil permettant de mesurer la concentration d'une substance absorbant la lumiere dans un tissu vivant et l'epaisseur d'un tissu intercalaire
IL121793A (en) * 1997-09-17 2008-06-05 Lewis Coleman Isotopic gas analyzer
US6285448B1 (en) 1997-05-05 2001-09-04 J. Todd Kuenstner Clinical analyte determination by infrared spectroscopy
US6804543B2 (en) 1998-02-05 2004-10-12 Hema Metrics, Inc. Sensor for transcutaneous measurement of vascular access blood flow
US6393310B1 (en) 1998-09-09 2002-05-21 J. Todd Kuenstner Methods and systems for clinical analyte determination by visible and infrared spectroscopy
US6675031B1 (en) 1999-04-14 2004-01-06 Mallinckrodt Inc. Method and circuit for indicating quality and accuracy of physiological measurements
AU5243100A (en) 1999-06-08 2000-12-28 Oridion Medical (1987) Ltd. Gas analyzer calibration checking device
US6216022B1 (en) 2000-06-22 2001-04-10 Biosafe Laboratories, Inc. Implantable optical measurement device and method for using same
US8224412B2 (en) 2000-04-17 2012-07-17 Nellcor Puritan Bennett Llc Pulse oximeter sensor with piece-wise function
CA2405825C (en) 2000-04-17 2010-11-09 Nellcor Puritan Bennett Incorporated Pulse oximeter sensor with piece-wise function
US6746407B2 (en) 2000-12-29 2004-06-08 Hema Metrics, Inc. Method of measuring transcutaneous access blood flow
US6748254B2 (en) 2001-10-12 2004-06-08 Nellcor Puritan Bennett Incorporated Stacked adhesive optical sensor
KR20030032809A (ko) * 2001-10-17 2003-04-26 장준근 적혈구의 물리적 특성을 이용한 질환 진단 장치 및 그진단 방법
KR100455289B1 (ko) * 2002-03-16 2004-11-08 삼성전자주식회사 빛을 이용한 진단방법 및 장치
US7190986B1 (en) 2002-10-18 2007-03-13 Nellcor Puritan Bennett Inc. Non-adhesive oximeter sensor for sensitive skin
JP4284674B2 (ja) * 2003-01-31 2009-06-24 日本光電工業株式会社 血中吸光物質濃度測定装置
KR100580622B1 (ko) * 2003-03-19 2006-05-16 삼성전자주식회사 비침습적 혈액성분 측정방법 및 장치
US7657295B2 (en) 2005-08-08 2010-02-02 Nellcor Puritan Bennett Llc Medical sensor and technique for using the same
US7657294B2 (en) 2005-08-08 2010-02-02 Nellcor Puritan Bennett Llc Compliant diaphragm medical sensor and technique for using the same
US7590439B2 (en) 2005-08-08 2009-09-15 Nellcor Puritan Bennett Llc Bi-stable medical sensor and technique for using the same
US20070060808A1 (en) 2005-09-12 2007-03-15 Carine Hoarau Medical sensor for reducing motion artifacts and technique for using the same
US7899510B2 (en) 2005-09-29 2011-03-01 Nellcor Puritan Bennett Llc Medical sensor and technique for using the same
US8092379B2 (en) 2005-09-29 2012-01-10 Nellcor Puritan Bennett Llc Method and system for determining when to reposition a physiological sensor
US7869850B2 (en) 2005-09-29 2011-01-11 Nellcor Puritan Bennett Llc Medical sensor for reducing motion artifacts and technique for using the same
US7904130B2 (en) 2005-09-29 2011-03-08 Nellcor Puritan Bennett Llc Medical sensor and technique for using the same
US7486979B2 (en) 2005-09-30 2009-02-03 Nellcor Puritan Bennett Llc Optically aligned pulse oximetry sensor and technique for using the same
US7881762B2 (en) 2005-09-30 2011-02-01 Nellcor Puritan Bennett Llc Clip-style medical sensor and technique for using the same
US8233954B2 (en) 2005-09-30 2012-07-31 Nellcor Puritan Bennett Llc Mucosal sensor for the assessment of tissue and blood constituents and technique for using the same
US8062221B2 (en) 2005-09-30 2011-11-22 Nellcor Puritan Bennett Llc Sensor for tissue gas detection and technique for using the same
US7555327B2 (en) 2005-09-30 2009-06-30 Nellcor Puritan Bennett Llc Folding medical sensor and technique for using the same
US7483731B2 (en) 2005-09-30 2009-01-27 Nellcor Puritan Bennett Llc Medical sensor and technique for using the same
US8073518B2 (en) 2006-05-02 2011-12-06 Nellcor Puritan Bennett Llc Clip-style medical sensor and technique for using the same
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
US8190224B2 (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
US8396527B2 (en) 2006-09-22 2013-03-12 Covidien Lp 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
US7890153B2 (en) 2006-09-28 2011-02-15 Nellcor Puritan Bennett Llc System and method for mitigating interference in pulse oximetry
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
US7684842B2 (en) 2006-09-29 2010-03-23 Nellcor Puritan Bennett Llc System and method for preventing sensor misuse
US8068891B2 (en) 2006-09-29 2011-11-29 Nellcor Puritan Bennett Llc Symmetric LED array for pulse oximetry
US8175667B2 (en) 2006-09-29 2012-05-08 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
US7476131B2 (en) 2006-09-29 2009-01-13 Nellcor Puritan Bennett Llc Device for reducing crosstalk
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
US8412293B2 (en) * 2007-07-16 2013-04-02 Optiscan Biomedical Corporation Systems and methods for determining physiological parameters using measured analyte values
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
US8070508B2 (en) 2007-12-31 2011-12-06 Nellcor Puritan Bennett Llc Method and apparatus for aligning and securing a cable strain relief
US8199007B2 (en) 2007-12-31 2012-06-12 Nellcor Puritan Bennett Llc Flex circuit snap track for a biometric sensor
US8092993B2 (en) 2007-12-31 2012-01-10 Nellcor Puritan Bennett Llc Hydrogel thin film for use as a biosensor
US8897850B2 (en) 2007-12-31 2014-11-25 Covidien Lp Sensor with integrated living hinge and spring
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
US8071935B2 (en) 2008-06-30 2011-12-06 Nellcor Puritan Bennett Llc Optical detector with an overmolded faraday shield
US7880884B2 (en) 2008-06-30 2011-02-01 Nellcor Puritan Bennett Llc System and method for coating and shielding electronic sensor components
US8364220B2 (en) 2008-09-25 2013-01-29 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
US8914088B2 (en) 2008-09-30 2014-12-16 Covidien Lp Medical sensor and technique for using the same
US8417309B2 (en) 2008-09-30 2013-04-09 Covidien Lp Medical sensor
US8452366B2 (en) 2009-03-16 2013-05-28 Covidien Lp Medical monitoring device with flexible circuitry
US8221319B2 (en) 2009-03-25 2012-07-17 Nellcor Puritan Bennett Llc Medical device for assessing intravascular blood volume and technique for using the same
US8509869B2 (en) 2009-05-15 2013-08-13 Covidien Lp Method and apparatus for detecting and analyzing variations in a physiologic parameter
US8634891B2 (en) 2009-05-20 2014-01-21 Covidien Lp Method and system for self regulation of sensor component contact pressure
US20100331640A1 (en) * 2009-06-26 2010-12-30 Nellcor Puritan Bennett Llc Use of photodetector array to improve efficiency and accuracy of an optical medical sensor
US8505821B2 (en) 2009-06-30 2013-08-13 Covidien Lp System and method for providing sensor quality assurance
US8311601B2 (en) 2009-06-30 2012-11-13 Nellcor Puritan Bennett Llc Reflectance and/or transmissive pulse oximeter
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
US8391941B2 (en) 2009-07-17 2013-03-05 Covidien Lp System and method for memory switching for multiple configuration medical sensor
US8417310B2 (en) 2009-08-10 2013-04-09 Covidien Lp Digital switching in multi-site sensor
US8428675B2 (en) 2009-08-19 2013-04-23 Covidien Lp Nanofiber adhesives used in medical devices
JP5761708B2 (ja) * 2011-03-23 2015-08-12 セイコーエプソン株式会社 濃度定量方法及び濃度定量装置
US8339586B2 (en) 2011-04-15 2012-12-25 Constitution Medical, Inc. Measuring volume and constituents of cells
WO2014150447A1 (en) * 2013-03-15 2014-09-25 Grove Instruments Inc. Multiplexing and non-multiplexing noninvasive analyte concentration measurement system and methods
US11307194B2 (en) 2014-05-19 2022-04-19 University Of South Florida Systems and methods for analyzing liquids
US10206619B1 (en) * 2017-04-28 2019-02-19 Maxim Integrated Products, Inc. Device and method for monitoring body hydration

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5326437A (en) * 1976-08-24 1978-03-11 Kenzou Shigiyou Method of removing parasites from steel structure in sea

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56104646A (en) * 1980-01-25 1981-08-20 Minolta Camera Kk Optical analyzer for forming ratio of element contained in organism
US4407290A (en) * 1981-04-01 1983-10-04 Biox Technology, Inc. Blood constituent measuring device and method
JPS58143243A (ja) * 1982-02-19 1983-08-25 Minolta Camera Co Ltd 非観血式血中色素測定装置
US4869253A (en) * 1986-08-18 1989-09-26 Physio-Control Corporation Method and apparatus for indicating perfusion and oxygen saturation trends in oximetry
US4773422A (en) * 1987-04-30 1988-09-27 Nonin Medical, Inc. Single channel pulse oximeter
US4863265A (en) * 1987-10-16 1989-09-05 Mine Safety Appliances Company Apparatus and method for measuring blood constituents
US4800885A (en) * 1987-12-02 1989-01-31 The Boc Group, Inc. Blood constituent monitoring apparatus and methods with frequency division multiplexing
US4883353A (en) * 1988-02-11 1989-11-28 Puritan-Bennett Corporation Pulse oximeter
US4869254A (en) * 1988-03-30 1989-09-26 Nellcor Incorporated Method and apparatus for calculating arterial oxygen saturation

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5326437A (en) * 1976-08-24 1978-03-11 Kenzou Shigiyou Method of removing parasites from steel structure in sea

Also Published As

Publication number Publication date
JPH02164341A (ja) 1990-06-25
US5127406A (en) 1992-07-07

Similar Documents

Publication Publication Date Title
JPH0371135B2 (US06236872-20010522-M00003.png)
JPS6216646B2 (US06236872-20010522-M00003.png)
US4948248A (en) Blood constituent measuring device and method
US4854699A (en) Backscatter oximeter
JP4284674B2 (ja) 血中吸光物質濃度測定装置
US4714080A (en) Method and apparatus for noninvasive monitoring of arterial blood oxygen saturation
JP3364819B2 (ja) 血中吸光物質濃度測定装置
US5553614A (en) Examination of biological tissue using frequency domain spectroscopy
JP4632143B2 (ja) 信号処理方法及びそれを適用したパルスフォトメータ
US8050730B2 (en) Method and apparatus for eliminating interference in pulse oxygen measurement
JPS63252239A (ja) 反射型オキシメ−タ
JPH0244534B2 (US06236872-20010522-M00003.png)
JPH06174A (ja) パルスオキシメータ
US10966642B2 (en) Photoplethysmography apparatus
WO1994003102A1 (en) Optical monitor (oximeter, etc.) with motion artefact suppression
JP2004135854A (ja) 反射型光電脈波検出装置および反射型オキシメータ
EP0760476A2 (en) Method of quantitatively determining one or more characteristics of a substance
US5513642A (en) Reflectance sensor system
EP0568628B1 (en) Time and frequency domain spectroscopy determining hypoxia
JPS63275325A (ja) 診断装置
JP2006075354A (ja) 組織酸素飽和度測定装置
US8391943B2 (en) Multi-wavelength photon density wave system using an optical switch
RU2040912C1 (ru) Оптический способ определения оксигенации крови и устройство для его осуществления
EP0290273A1 (en) Examination apparatus for measuring oxygenation
JP3359756B2 (ja) 生体光計測装置

Legal Events

Date Code Title Description
FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20081112

Year of fee payment: 17

LAPS Cancellation because of no payment of annual fees