CA2472156C - System and method of assessment of neurological conditions using eeg bispectrum - Google Patents

System and method of assessment of neurological conditions using eeg bispectrum Download PDF

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Publication number
CA2472156C
CA2472156C CA2472156A CA2472156A CA2472156C CA 2472156 C CA2472156 C CA 2472156C CA 2472156 A CA2472156 A CA 2472156A CA 2472156 A CA2472156 A CA 2472156A CA 2472156 C CA2472156 C CA 2472156C
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CA
Canada
Prior art keywords
neurological conditions
deriving
kth
eeg
biopotential signals
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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 - Fee Related
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CA2472156A
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English (en)
French (fr)
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CA2472156A1 (en
Inventor
Scott D. Greenwald
Charles P. Smith
Jeffrey C. Sigl
Philip H. Devlin
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Covidien LP
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Aspect Medical Systems LLC
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Publication of CA2472156A1 publication Critical patent/CA2472156A1/en
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Publication of CA2472156C publication Critical patent/CA2472156C/en
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    • 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
    • A61B5/4836—Diagnosis combined with treatment in closed-loop systems or methods
    • A61B5/4839—Diagnosis combined with treatment in closed-loop systems or methods combined with drug delivery
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/16—Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state
    • A61B5/165—Evaluating the state of mind, e.g. depression, anxiety
    • 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
    • A61B5/40—Detecting, measuring or recording for evaluating the nervous system
    • A61B5/4076—Diagnosing or monitoring particular conditions of the nervous system
    • A61B5/4088—Diagnosing of monitoring cognitive diseases, e.g. Alzheimer, prion diseases or dementia
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2218/00—Aspects of pattern recognition specially adapted for signal processing
    • G06F2218/08—Feature extraction

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Medical Informatics (AREA)
  • Public Health (AREA)
  • Surgery (AREA)
  • Psychiatry (AREA)
  • Neurology (AREA)
  • Psychology (AREA)
  • Child & Adolescent Psychology (AREA)
  • Developmental Disabilities (AREA)
  • Hospice & Palliative Care (AREA)
  • Neurosurgery (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Physiology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Social Psychology (AREA)
  • Educational Technology (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
CA2472156A 2002-01-04 2003-01-06 System and method of assessment of neurological conditions using eeg bispectrum Expired - Fee Related CA2472156C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US34543302P 2002-01-04 2002-01-04
US60/345,433 2002-01-04
PCT/US2003/000292 WO2003057029A2 (en) 2002-01-04 2003-01-06 System and method of assessment of neurological conditions using eeg bispectrum

Publications (2)

Publication Number Publication Date
CA2472156A1 CA2472156A1 (en) 2003-07-17
CA2472156C true CA2472156C (en) 2012-10-09

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA2472156A Expired - Fee Related CA2472156C (en) 2002-01-04 2003-01-06 System and method of assessment of neurological conditions using eeg bispectrum

Country Status (11)

Country Link
US (1) US7231245B2 (enExample)
EP (1) EP1460933B1 (enExample)
JP (1) JP2005514096A (enExample)
AT (1) ATE417547T1 (enExample)
AU (1) AU2003206411B2 (enExample)
BR (1) BR0306712B1 (enExample)
CA (1) CA2472156C (enExample)
DE (1) DE60325328D1 (enExample)
ES (1) ES2316721T3 (enExample)
MX (1) MXPA04006544A (enExample)
WO (1) WO2003057029A2 (enExample)

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Also Published As

Publication number Publication date
DE60325328D1 (de) 2009-01-29
WO2003057029A9 (en) 2004-07-01
WO2003057029A8 (en) 2004-05-21
CA2472156A1 (en) 2003-07-17
JP2005514096A (ja) 2005-05-19
BR0306712B1 (pt) 2014-04-29
EP1460933A2 (en) 2004-09-29
EP1460933B1 (en) 2008-12-17
MXPA04006544A (es) 2004-10-04
US20030181821A1 (en) 2003-09-25
ATE417547T1 (de) 2009-01-15
US7231245B2 (en) 2007-06-12
BR0306712A (pt) 2004-12-28
AU2003206411B2 (en) 2008-10-23
ES2316721T3 (es) 2009-04-16
WO2003057029A2 (en) 2003-07-17
AU2003206411A1 (en) 2003-07-24

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Effective date: 20190107