SE466987B - Anordning foer djupselektiv icke-invasiv, lokal maetning av elektrisk impedans i organiska och biologiska material samt prob foer maetning av elektrisk impedans - Google Patents

Anordning foer djupselektiv icke-invasiv, lokal maetning av elektrisk impedans i organiska och biologiska material samt prob foer maetning av elektrisk impedans

Info

Publication number
SE466987B
SE466987B SE9003336A SE9003336A SE466987B SE 466987 B SE466987 B SE 466987B SE 9003336 A SE9003336 A SE 9003336A SE 9003336 A SE9003336 A SE 9003336A SE 466987 B SE466987 B SE 466987B
Authority
SE
Sweden
Prior art keywords
measuring
electrode
electrodes
amplifier
impedance
Prior art date
Application number
SE9003336A
Other languages
English (en)
Swedish (sv)
Other versions
SE9003336D0 (sv
SE9003336A (fi
Inventor
S Ollmar
Original Assignee
Stiftelsen Ct Foer Dentaltekni
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 Stiftelsen Ct Foer Dentaltekni filed Critical Stiftelsen Ct Foer Dentaltekni
Priority to SE9003336A priority Critical patent/SE466987B/sv
Publication of SE9003336D0 publication Critical patent/SE9003336D0/xx
Priority to AT91918393T priority patent/ATE167794T1/de
Priority to ES91918393T priority patent/ES2120419T3/es
Priority to HU9301109A priority patent/HU216496B/hu
Priority to DK91918393T priority patent/DK0553187T3/da
Priority to CA002093922A priority patent/CA2093922C/en
Priority to DE69129698T priority patent/DE69129698T2/de
Priority to EP91918393A priority patent/EP0553187B1/en
Priority to JP51777291A priority patent/JP3320413B2/ja
Priority to PCT/SE1991/000703 priority patent/WO1992006634A1/en
Priority to AU88499/91A priority patent/AU659111B2/en
Priority to US08/039,361 priority patent/US5353802A/en
Publication of SE9003336A publication Critical patent/SE9003336A/xx
Publication of SE466987B publication Critical patent/SE466987B/sv
Priority to NO931415A priority patent/NO307863B1/no
Priority to FI931730A priority patent/FI110304B/fi
Priority to KR1019930701152A priority patent/KR100201178B1/ko

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
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/16—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for measuring intraocular pressure, e.g. tonometers

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Dermatology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
SE9003336A 1990-10-18 1990-10-18 Anordning foer djupselektiv icke-invasiv, lokal maetning av elektrisk impedans i organiska och biologiska material samt prob foer maetning av elektrisk impedans SE466987B (sv)

Priority Applications (15)

Application Number Priority Date Filing Date Title
SE9003336A SE466987B (sv) 1990-10-18 1990-10-18 Anordning foer djupselektiv icke-invasiv, lokal maetning av elektrisk impedans i organiska och biologiska material samt prob foer maetning av elektrisk impedans
US08/039,361 US5353802A (en) 1990-10-18 1991-10-18 Device for measurement of electrical impedance of organic and biological materials
DE69129698T DE69129698T2 (de) 1990-10-18 1991-10-18 Vorrichtung zur messung der elektrischen impedanz von organischen und biologischen stoffen
JP51777291A JP3320413B2 (ja) 1990-10-18 1991-10-18 有機物質あるいは生体物質の電気インピーダンスの測定装置
HU9301109A HU216496B (hu) 1990-10-18 1991-10-18 Berendezés és mérőfej szerves és biológiai anyagok villamos impedanciájának mélységszelektív mérésére
DK91918393T DK0553187T3 (da) 1990-10-18 1991-10-18 Måling af elektrisk impedans i organisk og biologisk materiale
CA002093922A CA2093922C (en) 1990-10-18 1991-10-18 A device for measurement of electrical impedance of organic and biological materials
AT91918393T ATE167794T1 (de) 1990-10-18 1991-10-18 Vorrichtung zur messung der elektrischen impedanz von organischen und biologischen stoffen
EP91918393A EP0553187B1 (en) 1990-10-18 1991-10-18 A device for measurement of electrical impedance of organic and biological materials
ES91918393T ES2120419T3 (es) 1990-10-18 1991-10-18 Dispositivo para la medicion de la impedancia electrica de materiales organicos y biologicos.
PCT/SE1991/000703 WO1992006634A1 (en) 1990-10-18 1991-10-18 A device for measurement of electrical impedance of organic and biological materials
AU88499/91A AU659111B2 (en) 1990-10-18 1991-10-18 A device for measurement of electrical impedance of organic and biological materials
FI931730A FI110304B (fi) 1990-10-18 1993-04-16 Laite ja menetelmä orgaanisten ja biologisten aineiden sähköisen impedanssin mittaamiseen
NO931415A NO307863B1 (no) 1990-10-18 1993-04-16 Anordning for mÕling av elektrisk impedans hos organiske og biologiske materialer
KR1019930701152A KR100201178B1 (ko) 1990-10-18 1993-04-17 유기적 생체 물질의 전기적 임피던스 측정 장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9003336A SE466987B (sv) 1990-10-18 1990-10-18 Anordning foer djupselektiv icke-invasiv, lokal maetning av elektrisk impedans i organiska och biologiska material samt prob foer maetning av elektrisk impedans

Publications (3)

Publication Number Publication Date
SE9003336D0 SE9003336D0 (sv) 1990-10-18
SE9003336A SE9003336A (fi) 1992-04-19
SE466987B true SE466987B (sv) 1992-05-11

Family

ID=20380684

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9003336A SE466987B (sv) 1990-10-18 1990-10-18 Anordning foer djupselektiv icke-invasiv, lokal maetning av elektrisk impedans i organiska och biologiska material samt prob foer maetning av elektrisk impedans

Country Status (15)

Country Link
US (1) US5353802A (fi)
EP (1) EP0553187B1 (fi)
JP (1) JP3320413B2 (fi)
KR (1) KR100201178B1 (fi)
AT (1) ATE167794T1 (fi)
AU (1) AU659111B2 (fi)
CA (1) CA2093922C (fi)
DE (1) DE69129698T2 (fi)
DK (1) DK0553187T3 (fi)
ES (1) ES2120419T3 (fi)
FI (1) FI110304B (fi)
HU (1) HU216496B (fi)
NO (1) NO307863B1 (fi)
SE (1) SE466987B (fi)
WO (1) WO1992006634A1 (fi)

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ES2120419T3 (es) 1998-11-01
NO307863B1 (no) 2000-06-13
HU9301109D0 (en) 1993-08-30
JP3320413B2 (ja) 2002-09-03
SE9003336D0 (sv) 1990-10-18
US5353802A (en) 1994-10-11
DE69129698D1 (de) 1998-08-06
DE69129698T2 (de) 1999-03-11
WO1992006634A1 (en) 1992-04-30
CA2093922A1 (en) 1992-04-19
CA2093922C (en) 2001-07-31
FI931730A (fi) 1993-04-16
NO931415D0 (no) 1993-04-16
HUT66173A (en) 1994-09-28
AU659111B2 (en) 1995-05-11
FI931730A0 (fi) 1993-04-16
HU216496B (hu) 1999-07-28
KR100201178B1 (ko) 1999-06-15
FI110304B (fi) 2002-12-31
DK0553187T3 (da) 1999-06-28
NO931415L (no) 1993-05-13
ATE167794T1 (de) 1998-07-15
EP0553187B1 (en) 1998-07-01
EP0553187A1 (en) 1993-08-04
AU8849991A (en) 1992-05-20
JPH06502323A (ja) 1994-03-17
SE9003336A (fi) 1992-04-19

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