ZA938719B - Low cost means for increasing measurement sensitivity in led/ired near-infrared instruments. - Google Patents

Low cost means for increasing measurement sensitivity in led/ired near-infrared instruments.

Info

Publication number
ZA938719B
ZA938719B ZA938719A ZA938719A ZA938719B ZA 938719 B ZA938719 B ZA 938719B ZA 938719 A ZA938719 A ZA 938719A ZA 938719 A ZA938719 A ZA 938719A ZA 938719 B ZA938719 B ZA 938719B
Authority
ZA
South Africa
Prior art keywords
ired
led
low cost
measurement sensitivity
cost means
Prior art date
Application number
ZA938719A
Other languages
English (en)
Inventor
Don E Krueger Jr
Robert D Rosenthal
Original Assignee
Futrex 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 Futrex Inc filed Critical Futrex Inc
Publication of ZA938719B publication Critical patent/ZA938719B/xx

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/024—Detecting, measuring or recording pulse rate or heart rate
    • A61B5/02416—Detecting, measuring or recording pulse rate or heart rate using photoplethysmograph signals, e.g. generated by infrared radiation
    • A61B5/02427—Details of sensor
    • A61B5/02433—Details of sensor for infrared radiation
    • 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
    • A61B5/14532—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 glucose, e.g. by tissue impedance measurement
    • 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
    • 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
    • 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
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Surgery (AREA)
  • Molecular Biology (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • Analytical Chemistry (AREA)
  • Immunology (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Cardiology (AREA)
  • Emergency Medicine (AREA)
  • Physiology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
ZA938719A 1992-11-23 1993-11-22 Low cost means for increasing measurement sensitivity in led/ired near-infrared instruments. ZA938719B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/980,272 US5365066A (en) 1989-01-19 1992-11-23 Low cost means for increasing measurement sensitivity in LED/IRED near-infrared instruments

Publications (1)

Publication Number Publication Date
ZA938719B true ZA938719B (en) 1994-06-30

Family

ID=25527456

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA938719A ZA938719B (en) 1992-11-23 1993-11-22 Low cost means for increasing measurement sensitivity in led/ired near-infrared instruments.

Country Status (8)

Country Link
US (1) US5365066A (xx)
EP (1) EP0729571A4 (xx)
JP (1) JPH08503773A (xx)
AU (1) AU5826694A (xx)
CA (1) CA2150030A1 (xx)
MX (1) MX9307290A (xx)
WO (1) WO1994012866A1 (xx)
ZA (1) ZA938719B (xx)

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US6018673A (en) 1996-10-10 2000-01-25 Nellcor Puritan Bennett Incorporated Motion compatible sensor for non-invasive optical blood analysis
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US6584340B1 (en) * 1998-12-24 2003-06-24 Matsushita Electric Industrial Co., Ltd. Living body information measuring apparatus living body information measuring method body fat measuring apparatus body fat measuring method and program recording medium
US6675031B1 (en) 1999-04-14 2004-01-06 Mallinckrodt Inc. Method and circuit for indicating quality and accuracy of physiological measurements
WO2001020305A1 (en) * 1999-09-14 2001-03-22 The Research Foundation Of State University Of New York, Technology Transfer Office Method and system for imaging the dynamics of scattering medium
US6795195B1 (en) * 1999-09-14 2004-09-21 Research Foundation Of State University Of New York System and method for tomographic imaging of dynamic properties of a scattering medium
US6708049B1 (en) 1999-09-28 2004-03-16 Nellcor Puritan Bennett Incorporated Sensor with signature of data relating to sensor
US8224412B2 (en) 2000-04-17 2012-07-17 Nellcor Puritan Bennett Llc Pulse oximeter sensor with piece-wise function
US6801797B2 (en) 2000-04-17 2004-10-05 Nellcor Puritan Bennett Incorporated Pulse oximeter sensor with piece-wise function
US7239902B2 (en) * 2001-03-16 2007-07-03 Nellor Puritan Bennett Incorporated Device and method for monitoring body fluid and electrolyte disorders
US6591122B2 (en) * 2001-03-16 2003-07-08 Nellcor Puritan Bennett Incorporated Device and method for monitoring body fluid and electrolyte disorders
US6559655B1 (en) 2001-04-30 2003-05-06 Zeltex, Inc. System and method for analyzing agricultural products on harvesting equipment
US20040147034A1 (en) * 2001-08-14 2004-07-29 Gore Jay Prabhakar Method and apparatus for measuring a substance in a biological sample
US6748254B2 (en) 2001-10-12 2004-06-08 Nellcor Puritan Bennett Incorporated Stacked adhesive optical sensor
US7190986B1 (en) 2002-10-18 2007-03-13 Nellcor Puritan Bennett Inc. Non-adhesive oximeter sensor for sensitive skin
US20040115754A1 (en) * 2002-12-11 2004-06-17 Umax Data Systems Inc. Method for establishing a long-term profile of blood sugar level aiding self-control of the same
TW200411178A (en) * 2002-12-31 2004-07-01 Veutron Corp Method for determining the resolution of blood glucose by using rising time curve
TW592667B (en) * 2003-04-04 2004-06-21 Veutron Corp Method for determining the resolution of blood glucose
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US7445600B1 (en) 2004-03-01 2008-11-04 Futrex, Inc. Multi-function, self-service health kiosk
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US8951190B2 (en) * 2005-09-28 2015-02-10 Zin Technologies, Inc. Transfer function control for biometric monitoring system
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US8062221B2 (en) 2005-09-30 2011-11-22 Nellcor Puritan Bennett Llc Sensor for tissue gas detection 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
US7555327B2 (en) 2005-09-30 2009-06-30 Nellcor Puritan Bennett Llc Folding 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
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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
US7476131B2 (en) 2006-09-29 2009-01-13 Nellcor Puritan Bennett Llc Device for reducing crosstalk
US7684842B2 (en) 2006-09-29 2010-03-23 Nellcor Puritan Bennett Llc System and method for preventing sensor misuse
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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
US8897850B2 (en) 2007-12-31 2014-11-25 Covidien Lp Sensor with integrated living hinge and spring
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
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KR102658240B1 (ko) 2016-11-17 2024-04-16 삼성전자주식회사 생체 정보 추정 장치 및 방법
KR102655737B1 (ko) 2016-11-30 2024-04-05 삼성전자주식회사 생체 성분 추정 장치 및 방법
JP2020537279A (ja) 2017-10-16 2020-12-17 マサチューセッツ インスティテュート オブ テクノロジー 非侵襲的な血液学的測定のためのシステム、デバイス、および方法
KR102498121B1 (ko) 2017-11-20 2023-02-09 삼성전자주식회사 생체정보 추정 장치 및 방법
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CN116211296A (zh) 2019-07-24 2023-06-06 麻省理工学院 用于甲襞成像装置的手指插入件
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Also Published As

Publication number Publication date
US5365066A (en) 1994-11-15
WO1994012866A1 (en) 1994-06-09
MX9307290A (es) 1994-08-31
JPH08503773A (ja) 1996-04-23
EP0729571A1 (en) 1996-09-04
EP0729571A4 (en) 1996-11-20
AU5826694A (en) 1994-06-22
CA2150030A1 (en) 1994-06-09

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