ATE240077T1 - System und verfahren zum analysieren des zerebralen biopotentials - Google Patents

System und verfahren zum analysieren des zerebralen biopotentials

Info

Publication number
ATE240077T1
ATE240077T1 AT95922265T AT95922265T ATE240077T1 AT E240077 T1 ATE240077 T1 AT E240077T1 AT 95922265 T AT95922265 T AT 95922265T AT 95922265 T AT95922265 T AT 95922265T AT E240077 T1 ATE240077 T1 AT E240077T1
Authority
AT
Austria
Prior art keywords
signals
cross
spectral
low
seconds
Prior art date
Application number
AT95922265T
Other languages
English (en)
Inventor
Nassib G Chamoun
Jeffrey C Sigl
Charles P Smith
Original Assignee
Aspect Medical Systems Inc
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 Inc filed Critical Aspect Medical Systems Inc
Application granted granted Critical
Publication of ATE240077T1 publication Critical patent/ATE240077T1/de

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—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
    • A61B5/16—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
    • A61B5/48—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)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Pathology (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Physics & Mathematics (AREA)
  • Psychiatry (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physiology (AREA)
  • Signal Processing (AREA)
  • Psychology (AREA)
  • Epidemiology (AREA)
  • Primary Health Care (AREA)
  • Anesthesiology (AREA)
  • Hospice & Palliative Care (AREA)
  • Developmental Disabilities (AREA)
  • Educational Technology (AREA)
  • Child & Adolescent Psychology (AREA)
  • Social Psychology (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
AT95922265T 1994-06-09 1995-06-08 System und verfahren zum analysieren des zerebralen biopotentials ATE240077T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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 (1)

Publication Number Publication Date
ATE240077T1 true ATE240077T1 (de) 2003-05-15

Family

ID=22975980

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95922265T ATE240077T1 (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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CA2191594A1 (en) 1995-12-14
CA2191594C (en) 2005-09-20
DE69530768T2 (de) 2004-03-18
EP0764001A4 (de) 1998-06-10
ES2199994T3 (es) 2004-03-01
JPH10501163A (ja) 1998-02-03
EP0764001B1 (de) 2003-05-14
US5458117A (en) 1995-10-17
EP0764001A1 (de) 1997-03-26
WO1995033404A1 (en) 1995-12-14
DE69530768D1 (de) 2003-06-18

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