DE69530768D1 - System und verfahren zum analysieren des zerebralen biopotentials - Google Patents

System und verfahren zum analysieren des zerebralen biopotentials

Info

Publication number
DE69530768D1
DE69530768D1 DE69530768T DE69530768T DE69530768D1 DE 69530768 D1 DE69530768 D1 DE 69530768D1 DE 69530768 T DE69530768 T DE 69530768T DE 69530768 T DE69530768 T DE 69530768T DE 69530768 D1 DE69530768 D1 DE 69530768D1
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DE
Germany
Prior art keywords
signals
cross
spectral
low
seconds
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
DE69530768T
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English (en)
Other versions
DE69530768T2 (de
Inventor
G Chamoun
C Sigl
P Smith
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.)
Aspect Medical Systems LLC
Original Assignee
Aspect Medical Systems LLC
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 Aspect Medical Systems LLC filed Critical Aspect Medical Systems LLC
Publication of DE69530768D1 publication Critical patent/DE69530768D1/de
Application granted granted Critical
Publication of DE69530768T2 publication Critical patent/DE69530768T2/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
    • A61B5/16—Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state
    • 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
    • A61B5/48—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
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7235—Details of waveform analysis
    • A61B5/725—Details of waveform analysis using specific filters therefor, e.g. Kalman or adaptive filters
    • 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
    • A61B5/7235—Details of waveform analysis
    • A61B5/7253—Details of waveform analysis characterised by using transforms
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H15/00—ICT specially adapted for medical reports, e.g. generation or transmission thereof
    • 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
    • A61B5/7235—Details of waveform analysis
    • A61B5/7253—Details of waveform analysis characterised by using transforms
    • A61B5/7257—Details of waveform analysis characterised by using transforms using Fourier transforms

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Veterinary Medicine (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Physics & Mathematics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Surgery (AREA)
  • Psychiatry (AREA)
  • Physiology (AREA)
  • Signal Processing (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Artificial Intelligence (AREA)
  • Psychology (AREA)
  • Anesthesiology (AREA)
  • Epidemiology (AREA)
  • Primary Health Care (AREA)
  • Developmental Disabilities (AREA)
  • Child & Adolescent Psychology (AREA)
  • Educational Technology (AREA)
  • Social Psychology (AREA)
  • Hospice & Palliative Care (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
DE69530768T 1994-06-09 1995-06-08 System und verfahren zum analysieren des zerebralen biopotentials Expired - Lifetime DE69530768T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US257356 1994-06-09
US08/257,356 US5458117A (en) 1991-10-25 1994-06-09 Cerebral biopotential analysis system and method
PCT/US1995/007310 WO1995033404A1 (en) 1994-06-09 1995-06-08 Cerebral biopotential analysis system and method

Publications (2)

Publication Number Publication Date
DE69530768D1 true DE69530768D1 (de) 2003-06-18
DE69530768T2 DE69530768T2 (de) 2004-03-18

Family

ID=22975980

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69530768T Expired - Lifetime DE69530768T2 (de) 1994-06-09 1995-06-08 System und verfahren zum analysieren des zerebralen biopotentials

Country Status (8)

Country Link
US (1) US5458117A (de)
EP (1) EP0764001B1 (de)
JP (1) JPH10501163A (de)
AT (1) ATE240077T1 (de)
CA (1) CA2191594C (de)
DE (1) DE69530768T2 (de)
ES (1) ES2199994T3 (de)
WO (1) WO1995033404A1 (de)

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ATE240077T1 (de) 2003-05-15
JPH10501163A (ja) 1998-02-03
EP0764001A1 (de) 1997-03-26
WO1995033404A1 (en) 1995-12-14
CA2191594C (en) 2005-09-20
CA2191594A1 (en) 1995-12-14
US5458117A (en) 1995-10-17
DE69530768T2 (de) 2004-03-18
EP0764001A4 (de) 1998-06-10
EP0764001B1 (de) 2003-05-14
ES2199994T3 (es) 2004-03-01

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