WO1992006634A1 - A device for measurement of electrical impedance of organic and biological materials - Google Patents
A device for measurement of electrical impedance of organic and biological materials Download PDFInfo
- Publication number
- WO1992006634A1 WO1992006634A1 PCT/SE1991/000703 SE9100703W WO9206634A1 WO 1992006634 A1 WO1992006634 A1 WO 1992006634A1 SE 9100703 W SE9100703 W SE 9100703W WO 9206634 A1 WO9206634 A1 WO 9206634A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- measuring
- electrodes
- electrode
- control electrode
- impedance
- Prior art date
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
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE69129698T DE69129698T2 (en) | 1990-10-18 | 1991-10-18 | DEVICE FOR MEASURING THE ELECTRICAL IMPEDANCE OF ORGANIC AND BIOLOGICAL SUBSTANCES |
JP51777291A JP3320413B2 (en) | 1990-10-18 | 1991-10-18 | Measurement device for electrical impedance of organic or biological materials |
CA002093922A CA2093922C (en) | 1990-10-18 | 1991-10-18 | A device for measurement of electrical impedance of organic and biological materials |
US08/039,361 US5353802A (en) | 1990-10-18 | 1991-10-18 | Device for measurement of electrical impedance of organic and biological materials |
EP91918393A EP0553187B1 (en) | 1990-10-18 | 1991-10-18 | A device for measurement of electrical impedance of organic and biological materials |
DK91918393T DK0553187T3 (en) | 1990-10-18 | 1991-10-18 | Measurement of electrical impedance in organic and biological material |
AU88499/91A AU659111B2 (en) | 1990-10-18 | 1991-10-18 | A device for measurement of electrical impedance of organic and biological materials |
NO931415A NO307863B1 (en) | 1990-10-18 | 1993-04-16 | Apparatus for measuring electrical impedance in organic and biological materials |
FI931730A FI110304B (en) | 1990-10-18 | 1993-04-16 | Apparatus and method for measuring the electrical impedance of organic and biological substances |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9003336A SE466987B (en) | 1990-10-18 | 1990-10-18 | DEVICE FOR DEEP-SELECTIVE NON-INVASIVE, LOCAL SEATING OF ELECTRICAL IMPEDANCE IN ORGANIC AND BIOLOGICAL MATERIALS AND PROBE FOR SEATING ELECTRICAL IMPEDANCE |
SE9003336-6 | 1990-10-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1992006634A1 true WO1992006634A1 (en) | 1992-04-30 |
Family
ID=20380684
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/SE1991/000703 WO1992006634A1 (en) | 1990-10-18 | 1991-10-18 | A device for measurement of electrical impedance of organic and biological materials |
Country Status (15)
Country | Link |
---|---|
US (1) | US5353802A (en) |
EP (1) | EP0553187B1 (en) |
JP (1) | JP3320413B2 (en) |
KR (1) | KR100201178B1 (en) |
AT (1) | ATE167794T1 (en) |
AU (1) | AU659111B2 (en) |
CA (1) | CA2093922C (en) |
DE (1) | DE69129698T2 (en) |
DK (1) | DK0553187T3 (en) |
ES (1) | ES2120419T3 (en) |
FI (1) | FI110304B (en) |
HU (1) | HU216496B (en) |
NO (1) | NO307863B1 (en) |
SE (1) | SE466987B (en) |
WO (1) | WO1992006634A1 (en) |
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DE2316326A1 (en) * | 1972-05-08 | 1973-11-29 | Siepem Fa | COMBINED DEVICE FOR HAIR HYGIENE AND FACIAL CARE |
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1990
- 1990-10-18 SE SE9003336A patent/SE466987B/en not_active IP Right Cessation
-
1991
- 1991-10-18 JP JP51777291A patent/JP3320413B2/en not_active Expired - Lifetime
- 1991-10-18 DE DE69129698T patent/DE69129698T2/en not_active Expired - Lifetime
- 1991-10-18 HU HU9301109A patent/HU216496B/en not_active IP Right Cessation
- 1991-10-18 WO PCT/SE1991/000703 patent/WO1992006634A1/en active IP Right Grant
- 1991-10-18 DK DK91918393T patent/DK0553187T3/en active
- 1991-10-18 AT AT91918393T patent/ATE167794T1/en not_active IP Right Cessation
- 1991-10-18 ES ES91918393T patent/ES2120419T3/en not_active Expired - Lifetime
- 1991-10-18 US US08/039,361 patent/US5353802A/en not_active Expired - Lifetime
- 1991-10-18 AU AU88499/91A patent/AU659111B2/en not_active Expired
- 1991-10-18 CA CA002093922A patent/CA2093922C/en not_active Expired - Lifetime
- 1991-10-18 EP EP91918393A patent/EP0553187B1/en not_active Expired - Lifetime
-
1993
- 1993-04-16 NO NO931415A patent/NO307863B1/en not_active IP Right Cessation
- 1993-04-16 FI FI931730A patent/FI110304B/en not_active IP Right Cessation
- 1993-04-17 KR KR1019930701152A patent/KR100201178B1/en not_active IP Right Cessation
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Cited By (25)
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WO1996010358A1 (en) * | 1994-09-30 | 1996-04-11 | Synectics Medical Ab | Method and device at primarily electrogastrography and electrourography |
WO1996010951A1 (en) * | 1994-10-11 | 1996-04-18 | Martinsen Oerjan G | Measurement of moisture content in skin |
US5738107A (en) * | 1994-10-11 | 1998-04-14 | Martinsen; Orjan G. | Measurement of moisture content in skin |
WO2001056468A2 (en) * | 2000-02-02 | 2001-08-09 | Massachusetts Institute Of Technology | Arthroscopic impedance probe to detect cartilage degeneration |
WO2001056468A3 (en) * | 2000-02-02 | 2002-04-25 | Massachusetts Inst Technology | Arthroscopic impedance probe to detect cartilage degeneration |
US6735468B2 (en) | 2000-02-02 | 2004-05-11 | Massachusetts Institute Of Technology | Arthroscopic impedance probe to detect cartilage degeneration |
US6856834B2 (en) | 2000-02-02 | 2005-02-15 | Massachusetts Institute Of Technology | Arthroscopic impedance probe to detect cartilage degeneration |
US6882880B2 (en) | 2000-02-02 | 2005-04-19 | Massachusetts Institute Of Technology | Arthroscopic impedance probe to detect cartilage degeneration |
US7050847B2 (en) | 2002-03-26 | 2006-05-23 | Stig Ollmar | Non-invasive in vivo determination of body fluid parameter |
EP1437091A1 (en) * | 2002-10-11 | 2004-07-14 | Stig Ollmar | Determination of biological conditions using impedance measurements |
EP1600104A1 (en) | 2002-10-11 | 2005-11-30 | Stig Ollmar | Determination of biological conditions using impedance measurements |
US9017258B2 (en) | 2002-10-11 | 2015-04-28 | Scibase Ab | Determination of biological conditions using impedance measurements |
EP1718200A1 (en) * | 2004-02-05 | 2006-11-08 | Dermal Therapy (Barbados) Inc. | Method and apparatus for measuring glucose in body fluids using sub-dermal body tissue impedance measurements |
EP1718200A4 (en) * | 2004-02-05 | 2009-07-15 | Dermal Therapy Barbados Inc | Method and apparatus for measuring glucose in body fluids using sub-dermal body tissue impedance measurements |
US9636035B2 (en) | 2005-12-14 | 2017-05-02 | Scibase Ab | Medical apparatus for determination of biological conditions using impedance measurements |
WO2007075410A2 (en) * | 2005-12-16 | 2007-07-05 | Bayer Healthcare Llc | In-vivo non-invasive bioelectric impedance analysis of glucose-mediated changes in tissue |
WO2007075410A3 (en) * | 2005-12-16 | 2007-12-13 | Bayer Healthcare Llc | In-vivo non-invasive bioelectric impedance analysis of glucose-mediated changes in tissue |
US8565850B2 (en) | 2007-07-02 | 2013-10-22 | Universitetet I Oslo | Method and kit for sweat activity measurement |
WO2009004001A1 (en) | 2007-07-02 | 2009-01-08 | Biogauge - Nordic Bioimpedance Research As | Method and kit for sweat activity measurement |
WO2009086643A1 (en) * | 2008-01-11 | 2009-07-16 | Solianis Holding Ag | A method and device for determining a property of living tissue |
WO2010085969A1 (en) | 2009-01-27 | 2010-08-05 | Scibase Ab | Switch probe for multiple electrode measurement of impedance |
US8948838B2 (en) | 2009-01-27 | 2015-02-03 | Scibase Ab | Switch probe for multiple electrode measurement of impedance |
EP2467707A2 (en) * | 2009-08-21 | 2012-06-27 | Proteus Biomedical, Inc. | Apparatus and method for measuring biochemical parameters |
EP2467707A4 (en) * | 2009-08-21 | 2014-12-17 | Proteus Digital Health Inc | Apparatus and method for measuring biochemical parameters |
WO2019223874A1 (en) | 2018-05-24 | 2019-11-28 | Scibase Ab | Impedance measurement device |
Also Published As
Publication number | Publication date |
---|---|
FI110304B (en) | 2002-12-31 |
EP0553187B1 (en) | 1998-07-01 |
ES2120419T3 (en) | 1998-11-01 |
CA2093922C (en) | 2001-07-31 |
EP0553187A1 (en) | 1993-08-04 |
DE69129698T2 (en) | 1999-03-11 |
JP3320413B2 (en) | 2002-09-03 |
DK0553187T3 (en) | 1999-06-28 |
ATE167794T1 (en) | 1998-07-15 |
JPH06502323A (en) | 1994-03-17 |
FI931730A (en) | 1993-04-16 |
SE9003336D0 (en) | 1990-10-18 |
KR100201178B1 (en) | 1999-06-15 |
AU8849991A (en) | 1992-05-20 |
SE9003336A (en) | 1992-04-19 |
HU216496B (en) | 1999-07-28 |
HU9301109D0 (en) | 1993-08-30 |
NO307863B1 (en) | 2000-06-13 |
CA2093922A1 (en) | 1992-04-19 |
AU659111B2 (en) | 1995-05-11 |
SE466987B (en) | 1992-05-11 |
FI931730A0 (en) | 1993-04-16 |
NO931415D0 (en) | 1993-04-16 |
HUT66173A (en) | 1994-09-28 |
US5353802A (en) | 1994-10-11 |
DE69129698D1 (en) | 1998-08-06 |
NO931415L (en) | 1993-05-13 |
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