CA2400348A1 - Monitoring electrical activity - Google Patents

Monitoring electrical activity Download PDF

Info

Publication number
CA2400348A1
CA2400348A1 CA002400348A CA2400348A CA2400348A1 CA 2400348 A1 CA2400348 A1 CA 2400348A1 CA 002400348 A CA002400348 A CA 002400348A CA 2400348 A CA2400348 A CA 2400348A CA 2400348 A1 CA2400348 A1 CA 2400348A1
Authority
CA
Canada
Prior art keywords
yule
walker
output signal
autocorrelation
power density
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.)
Abandoned
Application number
CA002400348A
Other languages
English (en)
French (fr)
Inventor
Mark Griffiths
Alan Preece
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.)
University of Bristol
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2400348A1 publication Critical patent/CA2400348A1/en
Abandoned 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
    • A61B5/48—Other medical applications
    • A61B5/4821—Determining level or depth of anaesthesia
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/369—Electroencephalography [EEG]
    • A61B5/372—Analysis of electroencephalograms
    • A61B5/374—Detecting the frequency distribution of signals, e.g. detecting delta, theta, alpha, beta or gamma waves
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/30—Input circuits therefor
    • A61B5/301—Input circuits therefor providing electrical separation, e.g. by using isolating transformers or optocouplers
CA002400348A 2000-02-17 2001-02-16 Monitoring electrical activity Abandoned CA2400348A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0003665.7 2000-02-17
GB0003665A GB2359367B (en) 2000-02-17 2000-02-17 Monitoring electrical activity
PCT/GB2001/000629 WO2001060252A1 (en) 2000-02-17 2001-02-16 Monitoring electrical activity

Publications (1)

Publication Number Publication Date
CA2400348A1 true CA2400348A1 (en) 2001-08-23

Family

ID=9885786

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002400348A Abandoned CA2400348A1 (en) 2000-02-17 2001-02-16 Monitoring electrical activity

Country Status (8)

Country Link
US (1) US6748263B2 (US06748263-20040608-M00003.png)
EP (1) EP1255486B1 (US06748263-20040608-M00003.png)
AT (1) ATE322861T1 (US06748263-20040608-M00003.png)
AU (1) AU2001233857A1 (US06748263-20040608-M00003.png)
CA (1) CA2400348A1 (US06748263-20040608-M00003.png)
DE (1) DE60118705T2 (US06748263-20040608-M00003.png)
GB (1) GB2359367B (US06748263-20040608-M00003.png)
WO (1) WO2001060252A1 (US06748263-20040608-M00003.png)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009004403A2 (en) * 2006-09-29 2009-01-08 The Regents Of The University Of California Burst suppression monitor for induced coma
US8444559B2 (en) * 2007-05-04 2013-05-21 Reproductive Research Technologies, Lp Skin impedance matching system and method for skin/electrode interface
BR112012024065A2 (pt) * 2010-03-23 2017-08-08 Reproductive Research Tech Lp método operacional para prever um trabalho de parto prematuro verdadeiro e parto, e sistema operacional para prever um trabalho de parto prematuro verdadeiro e parto
US8386026B2 (en) * 2010-04-12 2013-02-26 Reproductive Research Technologies, L.P. System and method for acquiring and displaying abdominal EMG signals
JP5710767B2 (ja) 2010-09-28 2015-04-30 マシモ コーポレイション オキシメータを含む意識深度モニタ
US9775545B2 (en) 2010-09-28 2017-10-03 Masimo Corporation Magnetic electrical connector for patient monitors
GB201209638D0 (en) * 2012-05-30 2012-07-11 Isis Innovation Perception loss detection
WO2016057553A1 (en) 2014-10-07 2016-04-14 Masimo Corporation Modular physiological sensors

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4846190A (en) * 1983-08-23 1989-07-11 John Erwin R Electroencephalographic system data display
US4616659A (en) * 1985-05-06 1986-10-14 At&T Bell Laboratories Heart rate detection utilizing autoregressive analysis
US4974162A (en) * 1987-03-13 1990-11-27 University Of Maryland Advanced signal processing methodology for the detection, localization and quantification of acute myocardial ischemia
US5047930A (en) 1987-06-26 1991-09-10 Nicolet Instrument Corporation Method and system for analysis of long term physiological polygraphic recordings
US5010891A (en) * 1987-10-09 1991-04-30 Biometrak Corporation Cerebral biopotential analysis system and method
EP0407647B1 (de) * 1989-07-14 1993-10-06 Haberl, Ralph, Dr.med. Einrichtung zur Bewertung ausgewählter Signalanteile in physiologischen Messsignalen, insbesondere von Spätpotentialen in Elektrokardiogrammen
US5109863A (en) * 1989-10-26 1992-05-05 Rutgers, The State University Of New Jersey Noninvasive diagnostic system for coronary artery disease
US5458117A (en) 1991-10-25 1995-10-17 Aspect Medical Systems, Inc. Cerebral biopotential analysis system and method
JP3585971B2 (ja) * 1994-12-21 2004-11-10 富士通株式会社 音声符号器および復号器の同期装置
DE19538925C2 (de) * 1995-10-19 2000-07-27 Wieland Friedmund Vorrichtung zur Auswertung eines Narkose- oder Intensiv-EEG
US5792062A (en) * 1996-05-14 1998-08-11 Massachusetts Institute Of Technology Method and apparatus for detecting nonlinearity in an electrocardiographic signal
US5940798A (en) * 1997-12-31 1999-08-17 Scientific Learning Corporation Feedback modification for reducing stuttering

Also Published As

Publication number Publication date
DE60118705T2 (de) 2007-04-12
GB2359367A (en) 2001-08-22
ATE322861T1 (de) 2006-04-15
US20030109796A1 (en) 2003-06-12
AU2001233857A1 (en) 2001-08-27
WO2001060252A1 (en) 2001-08-23
GB0003665D0 (en) 2000-04-05
DE60118705D1 (de) 2006-05-24
EP1255486A1 (en) 2002-11-13
US6748263B2 (en) 2004-06-08
EP1255486B1 (en) 2006-04-12
GB2359367B (en) 2003-11-05

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued