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
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 - Fee Related
Application number
CA2472156A
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English (en)
French (fr)
Other versions
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)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Neurology (AREA)
  • Psychiatry (AREA)
  • Psychology (AREA)
  • Child & Adolescent Psychology (AREA)
  • Developmental Disabilities (AREA)
  • Hospice & Palliative Care (AREA)
  • Physiology (AREA)
  • Neurosurgery (AREA)
  • Chemical & Material Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Medicinal Chemistry (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

ID=23355026

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 (https=)
EP (1) EP1460933B1 (https=)
JP (1) JP2005514096A (https=)
AT (1) ATE417547T1 (https=)
AU (1) AU2003206411B2 (https=)
BR (1) BR0306712B1 (https=)
CA (1) CA2472156C (https=)
DE (1) DE60325328D1 (https=)
ES (1) ES2316721T3 (https=)
MX (1) MXPA04006544A (https=)
WO (1) WO2003057029A2 (https=)

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Also Published As

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

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Effective date: 20190107