WO2005037099A8 - A device arranged for carrying out a bioelectrical interaction with an individual and a method for on-demand lead-off detection - Google Patents

A device arranged for carrying out a bioelectrical interaction with an individual and a method for on-demand lead-off detection

Info

Publication number
WO2005037099A8
WO2005037099A8 PCT/IB2004/052007 IB2004052007W WO2005037099A8 WO 2005037099 A8 WO2005037099 A8 WO 2005037099A8 IB 2004052007 W IB2004052007 W IB 2004052007W WO 2005037099 A8 WO2005037099 A8 WO 2005037099A8
Authority
WO
WIPO (PCT)
Prior art keywords
signal
electrodes
case
contact
integrity
Prior art date
Application number
PCT/IB2004/052007
Other languages
French (fr)
Other versions
WO2005037099A1 (en
Inventor
Harald Reiter
Andras Montvay
Josef Lauter
Olaf Such
Ralf Schmidt
Original Assignee
Koninkl Philips Electronics Nv
Philips Intellectual Property
Harald Reiter
Andras Montvay
Josef Lauter
Olaf Such
Ralf Schmidt
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 Koninkl Philips Electronics Nv, Philips Intellectual Property, Harald Reiter, Andras Montvay, Josef Lauter, Olaf Such, Ralf Schmidt filed Critical Koninkl Philips Electronics Nv
Priority to JP2006534870A priority Critical patent/JP2007508095A/en
Priority to US10/574,892 priority patent/US7453354B2/en
Priority to EP04770193A priority patent/EP1677671A1/en
Publication of WO2005037099A1 publication Critical patent/WO2005037099A1/en
Publication of WO2005037099A8 publication Critical patent/WO2005037099A8/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
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/25—Bioelectric electrodes therefor
    • A61B5/276—Protection against electrode failure

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)

Abstract

A device to carry out a bioelectrical interaction with an individual by means of electrodes 29, 29a whereby an on-demand verification of the integrity of the electrical contact of the electrodes is implemented. The device 20 comprises a control unit 22 arranged to determine an occurrence of the predefined event related to a quality of a measured signal. In case the predetermined event is detected, the control unit 22 actuates the testing means 24. The testing means is arranged to generate the test signals, I1,12 and to apply them via a coupling circuit 23, 23a to the electrodes. In case it is desired that cumulative information about the contact integrity is obtained, is it sufficient to apply a single test signal per electrode. In case it is required to determine which of the electrodes has lost its contact, a sequence of test signals is generated by the sequencer 24b. The response signal from the electrodes 29, 29a is forwarded to the input filter 26, which is preferably also used for a normal signal analysis. The signal from the input filter 26 is directed via the input impedance 25, 25a to the input amplifier 28. The amplified response signal is forwarded to the signal processing means 30 which is arranged to analyze the response signal. Preferably, an amplitude analysis is done. The signal from the signal processing means 30 is supplied to the analog-to-digital converter (ADC) 32 after which a digital processing of the response signal is carried out by means of a further processing unit 34. In case the further processing unit 34 determines that the integrity of the contact is below the allowable level, the lead-off indicator 36 is actuated.
PCT/IB2004/052007 2003-10-17 2004-10-07 A device arranged for carrying out a bioelectrical interaction with an individual and a method for on-demand lead-off detection WO2005037099A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2006534870A JP2007508095A (en) 2003-10-17 2004-10-07 Apparatus for performing bioelectric interaction with an individual and method for performing on-demand lead-off detection
US10/574,892 US7453354B2 (en) 2003-10-17 2004-10-07 Device arranged for carrying out a bioelectrical interaction with an individual and a method for on-demand lead-off detection
EP04770193A EP1677671A1 (en) 2003-10-17 2004-10-07 A device arranged for carrying out a bioelectrical interaction with an individual and a method for on-demand lead-off detection

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP03103845.8 2003-10-17
EP03103845 2003-10-17

Publications (2)

Publication Number Publication Date
WO2005037099A1 WO2005037099A1 (en) 2005-04-28
WO2005037099A8 true WO2005037099A8 (en) 2007-03-15

Family

ID=34443031

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2004/052007 WO2005037099A1 (en) 2003-10-17 2004-10-07 A device arranged for carrying out a bioelectrical interaction with an individual and a method for on-demand lead-off detection

Country Status (4)

Country Link
US (1) US7453354B2 (en)
EP (1) EP1677671A1 (en)
JP (1) JP2007508095A (en)
WO (1) WO2005037099A1 (en)

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Also Published As

Publication number Publication date
US20070018809A1 (en) 2007-01-25
EP1677671A1 (en) 2006-07-12
JP2007508095A (en) 2007-04-05
WO2005037099A1 (en) 2005-04-28
US7453354B2 (en) 2008-11-18

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