DE3681117D1 - Mess- und treiberschaltkreis eines lichtleitfaserwandlers und verfahren zu seiner benutzung. - Google Patents

Mess- und treiberschaltkreis eines lichtleitfaserwandlers und verfahren zu seiner benutzung.

Info

Publication number
DE3681117D1
DE3681117D1 DE8686308436T DE3681117T DE3681117D1 DE 3681117 D1 DE3681117 D1 DE 3681117D1 DE 8686308436 T DE8686308436 T DE 8686308436T DE 3681117 T DE3681117 T DE 3681117T DE 3681117 D1 DE3681117 D1 DE 3681117D1
Authority
DE
Germany
Prior art keywords
measuring
optical fiber
driver circuit
fiber converter
converter
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
DE8686308436T
Other languages
English (en)
Inventor
Steven H Mersch
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.)
Deseret Medical Inc
Original Assignee
Deseret Medical 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 Deseret Medical Inc filed Critical Deseret Medical Inc
Application granted granted Critical
Publication of DE3681117D1 publication Critical patent/DE3681117D1/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
    • 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
    • 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
    • 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
    • G01N2201/0621—Supply
    • 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
    • G01N2201/08—Optical fibres; light guides
DE8686308436T 1985-11-12 1986-10-29 Mess- und treiberschaltkreis eines lichtleitfaserwandlers und verfahren zu seiner benutzung. Expired - Lifetime DE3681117D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/797,299 US4936679A (en) 1985-11-12 1985-11-12 Optical fiber transducer driving and measuring circuit and method for using same

Publications (1)

Publication Number Publication Date
DE3681117D1 true DE3681117D1 (de) 1991-10-02

Family

ID=25170439

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686308436T Expired - Lifetime DE3681117D1 (de) 1985-11-12 1986-10-29 Mess- und treiberschaltkreis eines lichtleitfaserwandlers und verfahren zu seiner benutzung.

Country Status (8)

Country Link
US (1) US4936679A (de)
EP (1) EP0222555B1 (de)
JP (1) JPS62156542A (de)
AU (1) AU586296B2 (de)
CA (1) CA1282251C (de)
DE (1) DE3681117D1 (de)
ES (1) ES2026132T3 (de)
MX (1) MX164286B (de)

Families Citing this family (101)

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DE3932421A1 (de) * 1989-09-28 1991-04-11 Cammann Karl Prof Dr Verfahren und vorrichtung zur messung von atomspektren zur bestimmung der menge eines gesuchten elementes
US5553615A (en) * 1994-01-31 1996-09-10 Minnesota Mining And Manufacturing Company Method and apparatus for noninvasive prediction of hematocrit
US5926590A (en) * 1995-12-29 1999-07-20 Mci Communications Corporation Power equalizer in a multiple wavelength bidirectional lightwave amplifier
US5891022A (en) * 1996-09-25 1999-04-06 Ohmeda Inc. Apparatus for performing multiwavelength photoplethysmography
US6018673A (en) 1996-10-10 2000-01-25 Nellcor Puritan Bennett Incorporated Motion compatible sensor for non-invasive optical blood analysis
US9042952B2 (en) 1997-01-27 2015-05-26 Lawrence A. Lynn System and method for automatic detection of a plurality of SPO2 time series pattern types
US8932227B2 (en) 2000-07-28 2015-01-13 Lawrence A. Lynn System and method for CO2 and oximetry integration
US20060161071A1 (en) 1997-01-27 2006-07-20 Lynn Lawrence A Time series objectification system and method
US20070191697A1 (en) 2006-02-10 2007-08-16 Lynn Lawrence A System and method for SPO2 instability detection and quantification
US9521971B2 (en) 1997-07-14 2016-12-20 Lawrence A. Lynn System and method for automatic detection of a plurality of SPO2 time series pattern types
US7054559B1 (en) 1997-09-04 2006-05-30 Mci Communications Corporation Method and system for modular multiplexing and amplification in a multi-channel plan
US6144444A (en) * 1998-11-06 2000-11-07 Medtronic Avecor Cardiovascular, Inc. Apparatus and method to determine blood parameters
US6675031B1 (en) 1999-04-14 2004-01-06 Mallinckrodt Inc. Method and circuit for indicating quality and accuracy of physiological measurements
US20060195041A1 (en) 2002-05-17 2006-08-31 Lynn Lawrence A Centralized hospital monitoring system for automatically detecting upper airway instability and for preventing and aborting adverse drug reactions
US20090281838A1 (en) 2008-05-07 2009-11-12 Lawrence A. Lynn Medical failure pattern search engine
US9053222B2 (en) 2002-05-17 2015-06-09 Lawrence A. Lynn Patient safety processor
US6754516B2 (en) 2001-07-19 2004-06-22 Nellcor Puritan Bennett Incorporated Nuisance alarm reductions in a physiological monitor
US20080200775A1 (en) * 2007-02-20 2008-08-21 Lynn Lawrence A Maneuver-based plethysmographic pulse variation detection system and method
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
US7190985B2 (en) 2004-02-25 2007-03-13 Nellcor Puritan Bennett Inc. Oximeter ambient light cancellation
US7120479B2 (en) * 2004-02-25 2006-10-10 Nellcor Puritan Bennett Inc. Switch-mode oximeter LED drive with a single inductor
US8611977B2 (en) * 2004-03-08 2013-12-17 Covidien Lp Method and apparatus for optical detection of mixed venous and arterial blood pulsation in tissue
US7534212B2 (en) 2004-03-08 2009-05-19 Nellcor Puritan Bennett Llc Pulse oximeter with alternate heart-rate determination
US7194293B2 (en) 2004-03-08 2007-03-20 Nellcor Puritan Bennett Incorporated Selection of ensemble averaging weights for a pulse oximeter based on signal quality metrics
US7277741B2 (en) * 2004-03-09 2007-10-02 Nellcor Puritan Bennett Incorporated Pulse oximetry motion artifact rejection using near infrared absorption by water
US7392075B2 (en) 2005-03-03 2008-06-24 Nellcor Puritan Bennett Incorporated Method for enhancing pulse oximetry calculations in the presence of correlated artifacts
US7725147B2 (en) 2005-09-29 2010-05-25 Nellcor Puritan Bennett Llc System and method for removing artifacts from waveforms
US7725146B2 (en) 2005-09-29 2010-05-25 Nellcor Puritan Bennett Llc System and method for pre-processing waveforms
US20070106126A1 (en) 2005-09-30 2007-05-10 Mannheimer Paul D Patient monitoring alarm escalation system and method
US20070100220A1 (en) 2005-10-28 2007-05-03 Baker Clark R Jr Adjusting parameters used in pulse oximetry analysis
US7668579B2 (en) 2006-02-10 2010-02-23 Lynn Lawrence A System and method for the detection of physiologic response to stimulation
US20070208259A1 (en) * 2006-03-06 2007-09-06 Mannheimer Paul D Patient monitoring alarm escalation system and method
US8702606B2 (en) * 2006-03-21 2014-04-22 Covidien Lp Patient monitoring help video system and method
US7966768B2 (en) * 2006-05-01 2011-06-28 Laminations, Inc. Staking system for growing container
US8380271B2 (en) 2006-06-15 2013-02-19 Covidien Lp System and method for generating customizable audible beep tones and alarms
US8064975B2 (en) 2006-09-20 2011-11-22 Nellcor Puritan Bennett Llc System and method for probability based determination of estimated oxygen saturation
US8696593B2 (en) 2006-09-27 2014-04-15 Covidien Lp Method and system for monitoring intracranial pressure
US7922665B2 (en) * 2006-09-28 2011-04-12 Nellcor Puritan Bennett Llc System and method for pulse rate calculation using a scheme for alternate weighting
US8728059B2 (en) 2006-09-29 2014-05-20 Covidien Lp System and method for assuring validity of monitoring parameter in combination with a therapeutic device
US7925511B2 (en) * 2006-09-29 2011-04-12 Nellcor Puritan Bennett Llc System and method for secure voice identification in a medical device
US8068890B2 (en) * 2006-09-29 2011-11-29 Nellcor Puritan Bennett Llc Pulse oximetry sensor switchover
US8175667B2 (en) 2006-09-29 2012-05-08 Nellcor Puritan Bennett Llc Symmetric LED array for pulse oximetry
US7698002B2 (en) * 2006-09-29 2010-04-13 Nellcor Puritan Bennett Llc Systems and methods for user interface and identification in a medical device
US7706896B2 (en) * 2006-09-29 2010-04-27 Nellcor Puritan Bennett Llc User interface and identification in a medical device system and method
US8068891B2 (en) 2006-09-29 2011-11-29 Nellcor Puritan Bennett Llc Symmetric LED array for pulse oximetry
US8160668B2 (en) * 2006-09-29 2012-04-17 Nellcor Puritan Bennett Llc Pathological condition detector using kernel methods and oximeters
US7848891B2 (en) 2006-09-29 2010-12-07 Nellcor Puritan Bennett Llc Modulation ratio determination with accommodation of uncertainty
US20080097175A1 (en) * 2006-09-29 2008-04-24 Boyce Robin S System and method for display control of patient monitor
US20080082338A1 (en) * 2006-09-29 2008-04-03 O'neil Michael P Systems and methods for secure voice identification and medical device interface
US20080081956A1 (en) * 2006-09-29 2008-04-03 Jayesh Shah System and method for integrating voice with a medical device
US20080200819A1 (en) * 2007-02-20 2008-08-21 Lynn Lawrence A Orthostasis detection system and method
US8265724B2 (en) 2007-03-09 2012-09-11 Nellcor Puritan Bennett Llc Cancellation of light shunting
US20080221426A1 (en) * 2007-03-09 2008-09-11 Nellcor Puritan Bennett Llc Methods and apparatus for detecting misapplied optical sensors
JP4569615B2 (ja) * 2007-09-25 2010-10-27 ブラザー工業株式会社 印刷装置
US8204567B2 (en) * 2007-12-13 2012-06-19 Nellcor Puritan Bennett Llc Signal demodulation
US20090171167A1 (en) * 2007-12-27 2009-07-02 Nellcor Puritan Bennett Llc System And Method For Monitor Alarm Management
US8092993B2 (en) 2007-12-31 2012-01-10 Nellcor Puritan Bennett Llc Hydrogel thin film for use as a biosensor
US8750953B2 (en) 2008-02-19 2014-06-10 Covidien Lp Methods and systems for alerting practitioners to physiological conditions
US8275553B2 (en) 2008-02-19 2012-09-25 Nellcor Puritan Bennett Llc System and method for evaluating physiological parameter data
US20090247851A1 (en) * 2008-03-26 2009-10-01 Nellcor Puritan Bennett Llc Graphical User Interface For Monitor Alarm Management
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
US8112375B2 (en) 2008-03-31 2012-02-07 Nellcor Puritan Bennett Llc Wavelength selection and outlier detection in reduced rank linear models
US8292809B2 (en) 2008-03-31 2012-10-23 Nellcor Puritan Bennett Llc Detecting chemical components from spectroscopic observations
US8364224B2 (en) 2008-03-31 2013-01-29 Covidien Lp System and method for facilitating sensor and monitor communication
US9895068B2 (en) * 2008-06-30 2018-02-20 Covidien Lp Pulse oximeter with wait-time indication
US8862194B2 (en) 2008-06-30 2014-10-14 Covidien Lp Method for improved oxygen saturation estimation in the presence of noise
USD626562S1 (en) 2008-06-30 2010-11-02 Nellcor Puritan Bennett Llc Triangular saturation pattern detection indicator for a patient monitor display panel
US20090327515A1 (en) * 2008-06-30 2009-12-31 Thomas Price Medical Monitor With Network Connectivity
USD626561S1 (en) 2008-06-30 2010-11-02 Nellcor Puritan Bennett Llc Circular satseconds indicator and triangular saturation pattern detection indicator for a patient monitor display panel
US8968193B2 (en) 2008-09-30 2015-03-03 Covidien Lp System and method for enabling a research mode on physiological monitors
US8386000B2 (en) * 2008-09-30 2013-02-26 Covidien Lp System and method for photon density wave pulse oximetry and pulse hemometry
US8417309B2 (en) 2008-09-30 2013-04-09 Covidien Lp Medical sensor
US8433382B2 (en) * 2008-09-30 2013-04-30 Covidien Lp Transmission mode photon density wave system and method
WO2010051487A2 (en) * 2008-10-31 2010-05-06 Nellcor Puritan Bennett Llc System and method for facilitating observation of monitored physiologic data
CA2741026C (en) * 2008-10-31 2015-04-14 Nellcor Puritan Bennett Llc System and method for facilitating observation of monitored physiologic data
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
US8494786B2 (en) 2009-07-30 2013-07-23 Covidien Lp Exponential sampling of red and infrared signals
US8494606B2 (en) * 2009-08-19 2013-07-23 Covidien Lp Photoplethysmography with controlled application of sensor pressure
US8494604B2 (en) * 2009-09-21 2013-07-23 Covidien Lp Wavelength-division multiplexing in a multi-wavelength photon density wave system
US8788001B2 (en) * 2009-09-21 2014-07-22 Covidien Lp Time-division multiplexing in a multi-wavelength photon density wave system
US8704666B2 (en) 2009-09-21 2014-04-22 Covidien Lp Medical device interface customization systems and methods
US8798704B2 (en) 2009-09-24 2014-08-05 Covidien Lp Photoacoustic spectroscopy method and system to discern sepsis from shock
US8571621B2 (en) * 2009-09-24 2013-10-29 Covidien Lp Minimax filtering for pulse oximetry
US8923945B2 (en) * 2009-09-24 2014-12-30 Covidien Lp Determination of a physiological parameter
EP2480997A2 (de) * 2009-09-24 2012-08-01 Nellcor Puritan Bennett LLC Bestimmung eines physiologischen parameters
US8376955B2 (en) 2009-09-29 2013-02-19 Covidien Lp Spectroscopic method and system for assessing tissue temperature
US9554739B2 (en) 2009-09-29 2017-01-31 Covidien Lp Smart cable for coupling a medical sensor to an electronic patient monitor
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
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US8391943B2 (en) 2010-03-31 2013-03-05 Covidien Lp Multi-wavelength photon density wave system using an optical switch
US8498683B2 (en) 2010-04-30 2013-07-30 Covidien LLP Method for respiration rate and blood pressure alarm management
US9380982B2 (en) 2010-07-28 2016-07-05 Covidien Lp Adaptive alarm system and method
US8930145B2 (en) 2010-07-28 2015-01-06 Covidien Lp Light focusing continuous wave photoacoustic spectroscopy and its applications to patient monitoring
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US9833146B2 (en) 2012-04-17 2017-12-05 Covidien Lp Surgical system and method of use of the same

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Also Published As

Publication number Publication date
EP0222555A2 (de) 1987-05-20
CA1282251C (en) 1991-04-02
JPS62156542A (ja) 1987-07-11
US4936679A (en) 1990-06-26
MX164286B (es) 1992-07-30
EP0222555A3 (en) 1988-03-30
AU586296B2 (en) 1989-07-06
EP0222555B1 (de) 1991-08-28
ES2026132T3 (es) 1992-04-16
AU6507786A (en) 1987-05-14

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Legal Events

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee