GB9216431D0 - Optical monitoring or measuring artefact suppression - Google Patents

Optical monitoring or measuring artefact suppression

Info

Publication number
GB9216431D0
GB9216431D0 GB929216431A GB9216431A GB9216431D0 GB 9216431 D0 GB9216431 D0 GB 9216431D0 GB 929216431 A GB929216431 A GB 929216431A GB 9216431 A GB9216431 A GB 9216431A GB 9216431 D0 GB9216431 D0 GB 9216431D0
Authority
GB
United Kingdom
Prior art keywords
measuring
optical monitoring
artefact suppression
artefact
suppression
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.)
Pending
Application number
GB929216431A
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.)
Swansea University
Original Assignee
Swansea University
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 Swansea University filed Critical Swansea University
Priority to GB929216431A priority Critical patent/GB9216431D0/en
Publication of GB9216431D0 publication Critical patent/GB9216431D0/en
Priority to AU47198/93A priority patent/AU4719893A/en
Priority to ZA935579A priority patent/ZA935579B/en
Priority to PCT/GB1993/001630 priority patent/WO1994003102A1/en
Pending 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
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7203—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal
    • A61B5/7207—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal of noise induced by motion artifacts
    • A61B5/7214—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal of noise induced by motion artifacts using signal cancellation, e.g. based on input of two identical physiological sensors spaced apart, or based on two signals derived from the same sensor, for different optical wavelengths

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Medical Informatics (AREA)
  • Veterinary Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Surgery (AREA)
  • Molecular Biology (AREA)
  • Physiology (AREA)
  • Signal Processing (AREA)
  • Cardiology (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Psychiatry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optics & Photonics (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
GB929216431A 1992-08-01 1992-08-01 Optical monitoring or measuring artefact suppression Pending GB9216431D0 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB929216431A GB9216431D0 (en) 1992-08-01 1992-08-01 Optical monitoring or measuring artefact suppression
AU47198/93A AU4719893A (en) 1992-08-01 1993-08-02 Optical monitor (oximeter, etc.) with motion artefact suppression
ZA935579A ZA935579B (en) 1992-08-01 1993-08-02 Artefact suppression
PCT/GB1993/001630 WO1994003102A1 (en) 1992-08-01 1993-08-02 Optical monitor (oximeter, etc.) with motion artefact suppression

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB929216431A GB9216431D0 (en) 1992-08-01 1992-08-01 Optical monitoring or measuring artefact suppression

Publications (1)

Publication Number Publication Date
GB9216431D0 true GB9216431D0 (en) 1992-09-16

Family

ID=10719722

Family Applications (1)

Application Number Title Priority Date Filing Date
GB929216431A Pending GB9216431D0 (en) 1992-08-01 1992-08-01 Optical monitoring or measuring artefact suppression

Country Status (4)

Country Link
AU (1) AU4719893A (en)
GB (1) GB9216431D0 (en)
WO (1) WO1994003102A1 (en)
ZA (1) ZA935579B (en)

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DE69305178T2 (en) * 1993-12-11 1997-02-13 Hewlett Packard Gmbh Method for detecting an abnormal condition in a pulse powered oximeter system
JPH08317912A (en) * 1995-03-23 1996-12-03 Seiko Instr Inc Pulse rate meter
IL113333A (en) * 1995-04-11 2001-01-28 Yoav Paltieli Optical-fiber type endoscope
US5645060A (en) * 1995-06-14 1997-07-08 Nellcor Puritan Bennett Incorporated Method and apparatus for removing artifact and noise from pulse oximetry
AUPN740796A0 (en) * 1996-01-04 1996-01-25 Circuitry Systems Limited Biomedical data collection apparatus
DE19609410C2 (en) * 1996-03-04 2002-04-25 Biotronik Mess & Therapieg Device for determining blood oxygen saturation
ES2162672T3 (en) 1996-04-01 2002-01-01 Linde Medical Sensors Ag RECOGNITION OF PARASITE SIGNS IN THE PULSOXIMETRIC MEASUREMENT.
FI962448A (en) * 1996-06-12 1997-12-13 Instrumentarium Oy Method, apparatus and sensor for the determination of fractional oxygen saturation
DE59707228D1 (en) * 1996-07-26 2002-06-13 Linde Medical Sensors Ag Basel METHOD FOR THE NON-INVASIVE DETERMINATION OF OXYGEN SATURATION IN BLOODED TISSUE
DE19647877C2 (en) * 1996-11-19 2000-06-15 Univ Ilmenau Tech Method and circuit arrangement for determining the oxygen saturation in the blood
JP2001526073A (en) 1997-12-22 2001-12-18 ビー・ティー・ジー・インターナショナル・リミテッド Artifact reduction in optical volume fluctuation recording
DE69942391D1 (en) 1998-07-04 2010-07-01 Whitland Res Ltd BLOODY MEASUREMENT OF ANALYTES FROM BLOOD
EP1104254A2 (en) 1998-08-13 2001-06-06 Whitland Research Limited Optical device
IL138884A (en) 2000-10-05 2006-07-05 Conmed Corp Pulse oximeter and a method of its operation
IL145445A (en) 2001-09-13 2006-12-31 Conmed Corp Signal processing method and device for signal-to-noise improvement
DE60143115D1 (en) 2001-09-28 2010-11-04 Csem Ct Suisse Electronique Method and device for pulse measurement
RU2234242C2 (en) * 2002-03-19 2004-08-20 Федеральное государственное унитарное предприятие Научно-исследовательский институт "Полюс" Method for determining biological tissue condition
US7738935B1 (en) 2002-07-09 2010-06-15 Pacesetter, Inc. Methods and devices for reduction of motion-induced noise in pulse oximetry
US6997879B1 (en) 2002-07-09 2006-02-14 Pacesetter, Inc. Methods and devices for reduction of motion-induced noise in optical vascular plethysmography
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
GB2424270A (en) 2005-03-14 2006-09-20 Spectrum Medical Llp Optical monitoring of predetermined substances in blood
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
US8219170B2 (en) 2006-09-20 2012-07-10 Nellcor Puritan Bennett Llc System and method for practicing spectrophotometry using light emitting nanostructure devices
US7574245B2 (en) 2006-09-27 2009-08-11 Nellcor Puritan Bennett Llc Flexible medical sensor enclosure
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
US7684842B2 (en) 2006-09-29 2010-03-23 Nellcor Puritan Bennett Llc System and method for preventing sensor misuse
WO2008042147A2 (en) * 2006-09-29 2008-04-10 Nellcor Puritan Bennett Llc Symmetric led array for pulse oximetry
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
US8366613B2 (en) 2007-12-26 2013-02-05 Covidien Lp LED drive circuit for pulse oximetry and method for using same
US8750953B2 (en) 2008-02-19 2014-06-10 Covidien Lp Methods and systems for alerting practitioners to physiological conditions
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
US9895068B2 (en) 2008-06-30 2018-02-20 Covidien Lp Pulse oximeter with wait-time indication
US8930145B2 (en) 2010-07-28 2015-01-06 Covidien Lp Light focusing continuous wave photoacoustic spectroscopy and its applications to patient monitoring
SG184595A1 (en) 2011-03-25 2012-10-30 Nitto Denko Corp A method of measuring an artefact removed photoplethysmographic (ppg) signal and a measurement system
US9833146B2 (en) 2012-04-17 2017-12-05 Covidien Lp Surgical system and method of use of the same
FI126338B (en) 2013-05-15 2016-10-14 Pulseon Oy Portable heart rate monitor
EP3282935A1 (en) * 2015-04-15 2018-02-21 Koninklijke Philips N.V. Optical laser speckle sensor for measuring a blood perfusion parameter
RU2680190C1 (en) * 2015-09-28 2019-02-18 Конинклейке Филипс Н.В. Sensor of indicators of vital important functions and method of measurement of indicators of vital life important functions of user
CN106248579A (en) * 2016-08-31 2016-12-21 马东阁 A kind of OLED blood testing equipment

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5524004A (en) * 1978-06-22 1980-02-20 Minolta Camera Kk Oxymeter
EP0102816A3 (en) * 1982-09-02 1985-08-28 Nellcor Incorporated Pulse oximeter
US4819646A (en) * 1986-08-18 1989-04-11 Physio-Control Corporation Feedback-controlled method and apparatus for processing signals used in oximetry
JPS63252239A (en) * 1987-04-09 1988-10-19 Sumitomo Electric Ind Ltd Reflection type oxymeter
GB8719333D0 (en) * 1987-08-14 1987-09-23 Swansea University College Of Motion artefact rejection system
US4819752A (en) * 1987-10-02 1989-04-11 Datascope Corp. Blood constituent measuring device and method
US5190038A (en) * 1989-11-01 1993-03-02 Novametrix Medical Systems, Inc. Pulse oximeter with improved accuracy and response time
US5055671A (en) * 1990-10-03 1991-10-08 Spacelabs, Inc. Apparatus for detecting transducer movement using a first and second light detector

Also Published As

Publication number Publication date
WO1994003102A1 (en) 1994-02-17
ZA935579B (en) 1994-02-02
AU4719893A (en) 1994-03-03

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