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NO20060895L - Method and apparatus for monitoring an anesthetized patient. - Google Patents

Method and apparatus for monitoring an anesthetized patient.

Info

Publication number
NO20060895L
NO20060895L NO20060895A NO20060895A NO20060895L NO 20060895 L NO20060895 L NO 20060895L NO 20060895 A NO20060895 A NO 20060895A NO 20060895 A NO20060895 A NO 20060895A NO 20060895 L NO20060895 L NO 20060895L
Authority
NO
Norway
Prior art keywords
patient
activity
monitoring
recognizing
pain
Prior art date
Application number
NO20060895A
Other languages
Norwegian (no)
Inventor
Hanne Storm
Asbjorn Fremming
Original Assignee
Med Storm Innovation As
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 Med Storm Innovation As filed Critical Med Storm Innovation As
Priority to NO20060895A priority Critical patent/NO20060895L/en
Priority to PCT/NO2007/000067 priority patent/WO2007097634A1/en
Publication of NO20060895L publication Critical patent/NO20060895L/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
    • A61B5/053—Measuring electrical impedance or conductance of a portion of the body
    • A61B5/0531—Measuring skin impedance
    • 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
    • A61B5/48—Other medical applications
    • A61B5/4824—Touch or pain perception evaluation

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Hospice & Palliative Care (AREA)
  • Psychiatry (AREA)
  • Child & Adolescent Psychology (AREA)
  • Dermatology (AREA)
  • Developmental Disabilities (AREA)
  • Educational Technology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Psychology (AREA)
  • Social Psychology (AREA)
  • Anesthesiology (AREA)
  • Pain & Pain Management (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

Oppfinnelsen vedrører en fremgangsmåte og et apparat for å overvåke en sedert pasient, særlig for å tilveiebringe utgangssignaler som angir tilstand av våkenhet og smerte hos pasienten. Fremgangsmåten omfatter trinnene å tilveiebringe et utledningsevnesignal målt ved et område av pasientens hud, å gjenkjenne en aktivitet i et høyfrekvensområde av nevnte målesignal, og å etablere en tilstand av smerte hos pasienten ved gjenkjennelse av nevnte aktivitet. Gjenkjennelsen kan utføres ved å analysere utgangen fra et høypassfilter eller ved å analysere resultatene av utgangene av to ulike lavpassfiltre, etterfulgt av en logisk operasjon. Analysene kan enten utføres ved en frekvensspektermetode, ved bruk av amplituden for et spektertyngdepunkt som indikasjon på en gjenkjent aktivitet, eller ved en tidsdomenemetode, der antall gyldige topper og bunner i hudledningsevnesignalet telles gjennom måleintervallet.The invention relates to a method and apparatus for monitoring a sed patient, in particular to provide output signals indicating the state of alertness and pain in the patient. The method comprises the steps of providing a conductivity signal measured at a region of the patient's skin, recognizing an activity in a high frequency range of said measurement signal, and establishing a state of pain in the patient by recognizing said activity. The recognition can be performed by analyzing the output of a high pass filter or by analyzing the results of the outputs of two different low pass filters, followed by a logical operation. The assays can either be performed by a frequency spectrum method, using the amplitude of a spectrum center of gravity as an indication of a recognized activity, or by a time domain method where the number of valid peaks and bottoms in the skin conductivity signal is counted through the measurement range.

NO20060895A 2006-02-23 2006-02-23 Method and apparatus for monitoring an anesthetized patient. NO20060895L (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NO20060895A NO20060895L (en) 2006-02-23 2006-02-23 Method and apparatus for monitoring an anesthetized patient.
PCT/NO2007/000067 WO2007097634A1 (en) 2006-02-23 2007-02-22 Method and apparatus for monitoring a sedated patient

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO20060895A NO20060895L (en) 2006-02-23 2006-02-23 Method and apparatus for monitoring an anesthetized patient.

Publications (1)

Publication Number Publication Date
NO20060895L true NO20060895L (en) 2007-08-24

Family

ID=38051778

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20060895A NO20060895L (en) 2006-02-23 2006-02-23 Method and apparatus for monitoring an anesthetized patient.

Country Status (2)

Country Link
NO (1) NO20060895L (en)
WO (1) WO2007097634A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO329287B1 (en) 2008-03-17 2010-09-27 Med Storm Innovation As Method and apparatus for monitoring the autonomic nervous system of a sedentary patient
WO2018141850A1 (en) * 2017-02-01 2018-08-09 Neural Block Technology As Method and apparatus of assessing or monitoring an effectiveness of a neural block in a living subject
WO2021011588A1 (en) 2019-07-15 2021-01-21 Massachusetts Institute Of Technology Tracking nociception under anesthesia using a multimodal metric
NO346051B1 (en) * 2019-11-18 2022-01-17 Med Storm Innovation As Method and apparatus for establishing absence of pain in a mammal

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2107460C1 (en) * 1996-05-28 1998-03-27 Акционерное общество закрытого типа "Нейроком" Method and device for recording galvanic skin responses
NO313534B1 (en) * 1999-06-01 2002-10-21 Hanne Storm Apparatus and method of monitoring and method of controlling a warning signal
US6490480B1 (en) * 1999-09-16 2002-12-03 Eduard Lerner Apparatus and methods for measuring autonomic nervous system function
NO317897B1 (en) * 2002-05-08 2004-12-27 Hanne Storm Apparatus and method for monitoring the autonomic nervous system of a sedentary patient.

Also Published As

Publication number Publication date
WO2007097634A1 (en) 2007-08-30

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Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application