DE69333456D1 - Gerät und verfahren zur nichtinvasiven überwachung des hämatocrit-wertes - Google Patents

Gerät und verfahren zur nichtinvasiven überwachung des hämatocrit-wertes

Info

Publication number
DE69333456D1
DE69333456D1 DE69333456T DE69333456T DE69333456D1 DE 69333456 D1 DE69333456 D1 DE 69333456D1 DE 69333456 T DE69333456 T DE 69333456T DE 69333456 T DE69333456 T DE 69333456T DE 69333456 D1 DE69333456 D1 DE 69333456D1
Authority
DE
Germany
Prior art keywords
clip
transmitters
invasively monitoring
finger
hematocrit value
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
DE69333456T
Other languages
English (en)
Other versions
DE69333456T2 (de
Inventor
Robert R Steuer
David H Harris
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.)
Hema Metrics Inc
Original Assignee
Hema Metrics Inc
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 Hema Metrics Inc filed Critical Hema Metrics Inc
Application granted granted Critical
Publication of DE69333456D1 publication Critical patent/DE69333456D1/de
Publication of DE69333456T2 publication Critical patent/DE69333456T2/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
    • 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
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/314—Investigating 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
    • G01N21/3151—Investigating 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 using two sources of radiation of different wavelengths
    • 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
    • A61B5/14535—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 haematocrit
    • 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
    • A61B5/14546—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 analytes not otherwise provided for, e.g. ions, cytochromes
    • 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
    • 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
    • A61B5/14552—Details of sensors specially adapted therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6813—Specially adapted to be attached to a specific body part
    • A61B5/6825—Hand
    • A61B5/6826—Finger
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/683—Means for maintaining contact with the body
    • A61B5/6838—Clamps or clips
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6843—Monitoring or controlling sensor contact pressure
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • 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
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/314—Investigating 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
    • G01N2021/3144—Investigating 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 for oxymetry
    • 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
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/314—Investigating 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
    • G01N2021/3148—Investigating 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 using three or more wavelengths
    • 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
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/314—Investigating 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
    • G01N2021/3181—Investigating 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 using LEDs
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/062—LED's
    • G01N2201/0625—Modulated LED
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/069—Supply of sources
    • G01N2201/0691—Modulated (not pulsed supply)

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Veterinary Medicine (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Toxicology (AREA)
  • Hematology (AREA)
  • Urology & Nephrology (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE69333456T 1993-04-12 1993-04-12 System verfahren zur nichtinvasiven überwachung des hämatocrit-wertes Expired - Lifetime DE69333456T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1993/003427 WO1994023643A1 (en) 1993-04-12 1993-04-12 System and method for noninvasive hematocrit monitoring

Publications (2)

Publication Number Publication Date
DE69333456D1 true DE69333456D1 (de) 2004-04-22
DE69333456T2 DE69333456T2 (de) 2005-01-27

Family

ID=22236501

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69333456T Expired - Lifetime DE69333456T2 (de) 1993-04-12 1993-04-12 System verfahren zur nichtinvasiven überwachung des hämatocrit-wertes

Country Status (8)

Country Link
EP (2) EP0693900B1 (de)
JP (1) JP3625475B2 (de)
KR (1) KR100294294B1 (de)
AT (1) ATE261698T1 (de)
AU (1) AU4102293A (de)
CA (1) CA2160252C (de)
DE (1) DE69333456T2 (de)
WO (1) WO1994023643A1 (de)

Families Citing this family (101)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6580086B1 (en) * 1999-08-26 2003-06-17 Masimo Corporation Shielded optical probe and method
US6390977B1 (en) 1995-06-07 2002-05-21 Alliance Pharmaceutical Corp. System and methods for measuring oxygenation parameters
AU708051B2 (en) * 1995-06-09 1999-07-29 Conmed Israel Ltd Sensor, method and device for optical blood oximetry
US6018673A (en) 1996-10-10 2000-01-25 Nellcor Puritan Bennett Incorporated Motion compatible sensor for non-invasive optical blood analysis
JP4214324B2 (ja) * 1997-08-20 2009-01-28 アークレイ株式会社 生体組織の測定装置
US6743172B1 (en) 1998-01-14 2004-06-01 Alliance Pharmaceutical Corp. System and method for displaying medical process diagrams
US6860266B2 (en) 2000-11-03 2005-03-01 Dartmouth-Hitchcock Clinic Physiological object displays
US6675031B1 (en) 1999-04-14 2004-01-06 Mallinckrodt Inc. Method and circuit for indicating quality and accuracy of physiological measurements
DE10051943B4 (de) 2000-10-19 2015-01-15 Fresenius Medical Care Deutschland Gmbh Verfahren und Vorrichtung zur Pulswellenlaufzeitbestimmung und extrakorporale Blutbehandlungseinrichtung mit einer solchen Vorrichtung
US8135448B2 (en) 2001-03-16 2012-03-13 Nellcor Puritan Bennett Llc Systems and methods to assess one or more body fluid metrics
US6591122B2 (en) 2001-03-16 2003-07-08 Nellcor Puritan Bennett Incorporated Device and method for monitoring body fluid and electrolyte disorders
US7657292B2 (en) 2001-03-16 2010-02-02 Nellcor Puritan Bennett Llc Method for evaluating extracellular water concentration in tissue
US7239902B2 (en) 2001-03-16 2007-07-03 Nellor Puritan Bennett Incorporated Device and method for monitoring body fluid and electrolyte disorders
US6748254B2 (en) 2001-10-12 2004-06-08 Nellcor Puritan Bennett Incorporated Stacked adhesive optical sensor
EP1500369A1 (de) * 2002-05-01 2005-01-26 Matsushita Electric Industrial Co., Ltd. Kontakt zum nachweis biologischer informationen
US20030212316A1 (en) * 2002-05-10 2003-11-13 Leiden Jeffrey M. Method and apparatus for determining blood parameters and vital signs of a patient
KR100493157B1 (ko) 2002-08-02 2005-06-03 삼성전자주식회사 생체신호 측정에 사용되는 프로브 및 이를 포함하는생체신호 측정용 시스템
US7006856B2 (en) 2003-01-10 2006-02-28 Nellcor Puritan Bennett Incorporated Signal quality metrics design for qualifying data for a physiological monitor
US7016715B2 (en) 2003-01-13 2006-03-21 Nellcorpuritan Bennett Incorporated Selection of preset filter parameters based on signal quality
US20040242977A1 (en) * 2003-06-02 2004-12-02 Dosmann Andrew J. Non-invasive methods of detecting analyte concentrations using hyperosmotic fluids
US7190985B2 (en) 2004-02-25 2007-03-13 Nellcor Puritan Bennett Inc. Oximeter ambient light cancellation
US7534212B2 (en) 2004-03-08 2009-05-19 Nellcor Puritan Bennett Llc Pulse oximeter with alternate heart-rate determination
US7392075B2 (en) 2005-03-03 2008-06-24 Nellcor Puritan Bennett Incorporated Method for enhancing pulse oximetry calculations in the presence of correlated artifacts
US7865223B1 (en) * 2005-03-14 2011-01-04 Peter Bernreuter In vivo blood spectrometry
US7590439B2 (en) 2005-08-08 2009-09-15 Nellcor Puritan Bennett Llc Bi-stable 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
US7657295B2 (en) 2005-08-08 2010-02-02 Nellcor Puritan Bennett Llc Medical sensor 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
US7725146B2 (en) 2005-09-29 2010-05-25 Nellcor Puritan Bennett Llc System and method for pre-processing waveforms
US7869850B2 (en) 2005-09-29 2011-01-11 Nellcor Puritan Bennett Llc Medical sensor for reducing motion artifacts 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
US7555327B2 (en) 2005-09-30 2009-06-30 Nellcor Puritan Bennett Llc Folding medical sensor and technique for using the same
US20070100220A1 (en) 2005-10-28 2007-05-03 Baker Clark R Jr Adjusting parameters used in pulse oximetry analysis
US20070106134A1 (en) 2005-11-10 2007-05-10 O'neil Michael P Medical sensor and technique for using the same
US7706852B2 (en) 2006-01-30 2010-04-27 Nellcor Puritan Bennett Llc System and method for detection of unstable oxygen saturation
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
US8431087B2 (en) 2006-09-25 2013-04-30 Covidien Lp Carbon dioxide detector having borosilicate substrate
US8449834B2 (en) 2006-09-25 2013-05-28 Covidien Lp Carbon dioxide detector having borosilicate substrate
US8420405B2 (en) 2006-09-25 2013-04-16 Covidien Lp Carbon dioxide detector having borosilicate substrate
US8431088B2 (en) 2006-09-25 2013-04-30 Covidien Lp Carbon dioxide detector having borosilicate substrate
US7869849B2 (en) 2006-09-26 2011-01-11 Nellcor Puritan Bennett Llc Opaque, electrically nonconductive region on a medical sensor
US8396524B2 (en) 2006-09-27 2013-03-12 Covidien Lp Medical sensor and technique for using the same
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
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
US8116852B2 (en) 2006-09-29 2012-02-14 Nellcor Puritan Bennett Llc System and method for detection of skin wounds and compartment syndromes
US7684842B2 (en) 2006-09-29 2010-03-23 Nellcor Puritan Bennett Llc System and method for preventing sensor misuse
US8265724B2 (en) 2007-03-09 2012-09-11 Nellcor Puritan Bennett Llc Cancellation of light shunting
US8280469B2 (en) 2007-03-09 2012-10-02 Nellcor Puritan Bennett Llc Method for detection of aberrant tissue spectra
US8175665B2 (en) 2007-03-09 2012-05-08 Nellcor Puritan Bennett Llc Method and apparatus for spectroscopic tissue analyte measurement
US8346327B2 (en) 2007-03-09 2013-01-01 Covidien Lp Method for identification of sensor site by local skin spectrum data
US8690864B2 (en) 2007-03-09 2014-04-08 Covidien Lp System and method for controlling tissue treatment
US8204567B2 (en) 2007-12-13 2012-06-19 Nellcor Puritan Bennett Llc Signal demodulation
US8442608B2 (en) 2007-12-28 2013-05-14 Covidien Lp System and method for estimating physiological parameters by deconvolving artifacts
US8750953B2 (en) 2008-02-19 2014-06-10 Covidien Lp Methods and systems for alerting practitioners to physiological conditions
US8140272B2 (en) 2008-03-27 2012-03-20 Nellcor Puritan Bennett Llc System and method for unmixing spectroscopic observations with nonnegative matrix factorization
US8437822B2 (en) 2008-03-28 2013-05-07 Covidien Lp System and method for estimating blood analyte concentration
US8364224B2 (en) 2008-03-31 2013-01-29 Covidien Lp System and method for facilitating sensor and monitor communication
US8112375B2 (en) 2008-03-31 2012-02-07 Nellcor Puritan Bennett Llc Wavelength selection and outlier detection in reduced rank linear models
DE202008005840U1 (de) 2008-04-05 2009-08-13 Bluepoint Medical Gmbh & Co. Kg Messvorrichtung
DE102008017403A1 (de) 2008-04-05 2009-10-08 Bluepoint Medical Gmbh & Co. Kg Messvorrichtung
US7880884B2 (en) 2008-06-30 2011-02-01 Nellcor Puritan Bennett Llc System and method for coating and shielding electronic sensor components
US9895068B2 (en) 2008-06-30 2018-02-20 Covidien Lp Pulse oximeter with wait-time indication
US8071935B2 (en) 2008-06-30 2011-12-06 Nellcor Puritan Bennett Llc Optical detector with an overmolded faraday shield
EP2326239B1 (de) 2008-07-03 2017-06-21 Masimo Laboratories, Inc. Vorsprung zur verbesserung der spektroskopischen messung von blutbestandteilen
US8630691B2 (en) 2008-08-04 2014-01-14 Cercacor Laboratories, Inc. Multi-stream sensor front ends for noninvasive measurement of blood constituents
KR101009284B1 (ko) 2008-09-02 2011-01-18 주식회사 셀텍 다기능 휴대용 진단 시스템
US8968193B2 (en) 2008-09-30 2015-03-03 Covidien Lp System and method for enabling a research mode on physiological monitors
DE202008015271U1 (de) 2008-11-18 2010-04-08 Bluepoint Medical Gmbh & Co. Kg Messvorrichtung
JP4502060B2 (ja) * 2008-12-01 2010-07-14 ソニー株式会社 血液情報取得装置
US8509869B2 (en) 2009-05-15 2013-08-13 Covidien Lp Method and apparatus for detecting and analyzing variations in a physiologic parameter
US8494786B2 (en) 2009-07-30 2013-07-23 Covidien Lp Exponential sampling of red and infrared signals
US8376955B2 (en) 2009-09-29 2013-02-19 Covidien Lp Spectroscopic method and system for assessing tissue temperature
US8515511B2 (en) 2009-09-29 2013-08-20 Covidien Lp Sensor with an optical coupling material to improve plethysmographic measurements and method of using the same
US8401608B2 (en) 2009-09-30 2013-03-19 Covidien Lp Method of analyzing photon density waves in a medical monitor
US8521246B2 (en) 2010-07-29 2013-08-27 Covidien Lp Cable cross talk suppression
US8768426B2 (en) 2011-03-31 2014-07-01 Covidien Lp Y-shaped ear sensor with strain relief
US8577435B2 (en) 2011-03-31 2013-11-05 Covidien Lp Flexible bandage ear sensor
US8532729B2 (en) 2011-03-31 2013-09-10 Covidien Lp Moldable ear sensor
EP2836122A4 (de) * 2012-04-09 2016-03-16 Mec Dynamics Corp Messung von gesamthämoglobin in vollblut
CN103432664B (zh) * 2013-06-17 2015-09-23 浙江大学 基于无线指夹式血氧检测的智能输氧仪
KR102215174B1 (ko) * 2014-05-23 2021-02-10 노바 바이오메디컬 코포레이션 용혈 검출 방법 및 시스템
WO2016054079A1 (en) 2014-09-29 2016-04-07 Zyomed Corp. Systems and methods for blood glucose and other analyte detection and measurement using collision computing
CN106999111A (zh) * 2014-10-01 2017-08-01 纽洛斯公司 用于检测不可见人类情感的系统和方法
DE102014117879A1 (de) 2014-12-04 2016-06-09 Osram Opto Semiconductors Gmbh Pulsoxymetrie-Vorrichtung und Verfahren zum Betreiben einer Pulsoxymetrie-Vorrichtung
US10448871B2 (en) 2015-07-02 2019-10-22 Masimo Corporation Advanced pulse oximetry sensor
FR3046048B1 (fr) * 2015-12-23 2020-03-27 Bioserenity Dispositif et procede pour la mesure de la concentration d'un compose present dans le sang
CN205612476U (zh) 2016-03-09 2016-10-05 潘卫江 多节指套式血氧探头
US9554738B1 (en) 2016-03-30 2017-01-31 Zyomed Corp. Spectroscopic tomography systems and methods for noninvasive detection and measurement of analytes using collision computing
CN106691410B (zh) * 2016-12-13 2024-01-16 佛山科学技术学院 一种脉搏及血红细胞浓度监测仪及方法
DE102017110216B4 (de) * 2017-05-11 2023-03-09 OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung Optoelektronisches Sensormodul und Verfahren zur Herstellung eines optoelektronischen Sensormoduls
CA3079625C (en) 2017-10-24 2023-12-12 Nuralogix Corporation System and method for camera-based stress determination
KR102227430B1 (ko) * 2018-11-26 2021-03-15 주식회사 알파도 다용도 휴대용 근적외선 분광 측정 분석 장치
JP7298244B2 (ja) * 2019-03-28 2023-06-27 株式会社ジェイ・エム・エス センサクリップ及び液体成分測定装置
CN111544009B (zh) * 2020-05-16 2022-04-12 深圳诺康医疗科技股份有限公司 血氧检测装置及其控制方法
WO2021247300A1 (en) 2020-06-01 2021-12-09 Arc Devices Limited Apparatus and methods for measuring blood pressure and other vital signs via a finger
WO2022054922A1 (en) * 2020-09-11 2022-03-17 Atonarp Inc. Measuring system

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3638604A (en) * 1969-02-10 1972-02-01 Agfa Gevaert Ag Apparatus for coating strip-form substrates
CA1037285A (en) * 1975-04-30 1978-08-29 Glenfield Warner Ear oximetry process and apparatus
US4167331A (en) * 1976-12-20 1979-09-11 Hewlett-Packard Company Multi-wavelength incremental absorbence oximeter
US4651741A (en) * 1985-05-30 1987-03-24 Baxter Travenol Laboratories, Inc. Method and apparatus for determining oxygen saturation in vivo
DE3726524A1 (de) * 1987-08-10 1989-02-23 Fresenius Ag Haemoglobindetektor
US4805623A (en) * 1987-09-04 1989-02-21 Vander Corporation Spectrophotometric method for quantitatively determining the concentration of a dilute component in a light- or other radiation-scattering environment
JPH06169902A (ja) * 1988-05-05 1994-06-21 Sentinel Monitoring Inc パルス式非侵入型オキシメータとその測定技術
US5101825A (en) * 1988-10-28 1992-04-07 Blackbox, Inc. Method for noninvasive intermittent and/or continuous hemoglobin, arterial oxygen content, and hematocrit determination
US5048524A (en) * 1989-03-03 1991-09-17 Camino Laboratories, Inc. Blood parameter measurement
US5054487A (en) * 1990-02-02 1991-10-08 Boston Advanced Technologies, Inc. Laser systems for material analysis based on reflectance ratio detection
US5066859A (en) * 1990-05-18 1991-11-19 Karkar Maurice N Hematocrit and oxygen saturation blood analyzer
US5277181A (en) * 1991-12-12 1994-01-11 Vivascan Corporation Noninvasive measurement of hematocrit and hemoglobin content by differential optical analysis
AU3583293A (en) * 1992-01-17 1993-08-03 Government Of The United States Of America, As Represented By The Secretary Of The Department Of Health And Human Services, The Optical method for monitoring arterial blood hematocrit

Also Published As

Publication number Publication date
JPH10501141A (ja) 1998-02-03
DE69333456T2 (de) 2005-01-27
WO1994023643A1 (en) 1994-10-27
KR960702273A (ko) 1996-04-27
JP3625475B2 (ja) 2005-03-02
EP0693900B1 (de) 2004-03-17
CA2160252C (en) 2004-06-22
CA2160252A1 (en) 1994-10-27
EP0693900A1 (de) 1996-01-31
ATE261698T1 (de) 2004-04-15
KR100294294B1 (ko) 2001-09-17
EP1491135A3 (de) 2005-09-07
AU4102293A (en) 1994-11-08
EP1491135A2 (de) 2004-12-29
EP0693900A4 (de) 1997-05-07

Similar Documents

Publication Publication Date Title
DE69333456D1 (de) Gerät und verfahren zur nichtinvasiven überwachung des hämatocrit-wertes
ATE208162T1 (de) Verfahren und gerät zur verminderung von alarmmisständen
ATE445434T1 (de) Vorrichtung zur fixierung von katheter und filter
DE68914466D1 (de) Verfahren und vorrichtung zur verwendung von schwingungen am menschlichen körper.
DE69022762D1 (de) Vorrichtung zur Lärmverminderung.
DE69635174D1 (de) Nichtinvasive Vorrichtung zur Blutuntersuchung
DE69425081T2 (de) Sensor zur Überwachung der arteriellen Blutströmung
DE69231753T2 (de) Nachweis der atherosklerose bei menschen
DE69525561T2 (de) Vorrichtung zur Erkennung hämodynamischer Zustände eines Herzens
DE3788353T2 (de) Vorrichtung und verfahren zur musternahme von arteriellem und venösem blut.
DE3668511D1 (de) Vorrichtung zur ueberwachung des betriebsverhaltens eines fahrzeugs.
DK0775007T3 (da) Blodbehandlingsindretning med forbedret udbytte, og som har en vinklet grænsestyreflade
DE50012306D1 (de) Verfahren und Vorrichtung zur Datenübertragung zwischen einem elektromedizinischen Implantat und einem externen Gerät
DE68903516D1 (de) Mittel zur senkung des blutdrucks.
SE9103332D0 (sv) Method for the diagnosis of blood coagulation desorders
DE69203249D1 (de) Vorrichtung zur Blutreinigung.
DE59002994D1 (de) Vorrichtung zur selektiven Elimination von Plasmabestandteilen aus Blut.
ATE236595T1 (de) Selbstklebende fertigbandage zur immobilisation des handgelenks
DE68912027D1 (de) Vorrichtung zur Frequenzverdopplung.
DE58902927D1 (de) Vorrichtung zur daempfung von luft- und koerperschallschwingungen.
DE69721078D1 (de) Methode und vorrichtung zur interpretation eines musikstückes ausgehend von der partitur
DE69420767T2 (de) Modulations-, und Demodulationsverfahren und Vorrichtung
DE69518866D1 (de) Elektronisches Gerät zur Überwachung des Blutdrucks
DE68904997D1 (de) Bohrloch-verfahren und -vorrichtung zur ermittlung der kohlenstoff-/sauerstoff-komponenten.
DE59806440D1 (de) Sendereinheit mit elastischen Bändern zur Erfassung des menschlichen Pulses

Legal Events

Date Code Title Description
8364 No opposition during term of opposition