CA2202749C - Dc biopotential sensing electrode and electroconductive medium for use therein - Google Patents

Dc biopotential sensing electrode and electroconductive medium for use therein Download PDF

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Publication number
CA2202749C
CA2202749C CA002202749A CA2202749A CA2202749C CA 2202749 C CA2202749 C CA 2202749C CA 002202749 A CA002202749 A CA 002202749A CA 2202749 A CA2202749 A CA 2202749A CA 2202749 C CA2202749 C CA 2202749C
Authority
CA
Canada
Prior art keywords
electrode
range
medium
sensing electrode
biopotential
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CA002202749A
Other languages
English (en)
French (fr)
Other versions
CA2202749A1 (en
Inventor
Burke T. Barrett
John D. Stephens
Seth D. Nathanson
Mark L. Faupel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Biofield Corp
Original Assignee
Biofield Corp
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
Priority claimed from US08/325,085 external-priority patent/US5660177A/en
Priority claimed from US08/508,206 external-priority patent/US5823957A/en
Application filed by Biofield Corp filed Critical Biofield Corp
Publication of CA2202749A1 publication Critical patent/CA2202749A1/en
Application granted granted Critical
Publication of CA2202749C publication Critical patent/CA2202749C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/05Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/24Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/25Bioelectric electrodes therefor
    • A61B5/251Means for maintaining electrode contact with the body
    • A61B5/257Means for maintaining electrode contact with the body using adhesive means, e.g. adhesive pads or tapes
    • A61B5/259Means for maintaining electrode contact with the body using adhesive means, e.g. adhesive pads or tapes using conductive adhesive means, e.g. gels
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/02Details of sensors specially adapted for in-vivo measurements
    • A61B2562/0209Special features of electrodes classified in A61B5/24, A61B5/25, A61B5/283, A61B5/291, A61B5/296, A61B5/053
    • A61B2562/0215Silver or silver chloride containing

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Physics & Mathematics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Electrotherapy Devices (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
CA002202749A 1994-10-17 1995-10-16 Dc biopotential sensing electrode and electroconductive medium for use therein Expired - Fee Related CA2202749C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US08/325,085 US5660177A (en) 1991-11-04 1994-10-17 D.C. biopotential sensing electrode assemblies for apparatus for disease, injury and bodily condition screening or sensing
US08/325,085 1994-10-17
US08/508,206 US5823957A (en) 1994-10-17 1995-07-27 D.C. biopotential sensing electrode and electroconductive medium for use therein
US08/508,206 1995-07-27
PCT/US1995/012525 WO1996011631A1 (en) 1994-10-17 1995-10-16 Dc biopotential sensing electrode and electroconductive medium for use therein

Publications (2)

Publication Number Publication Date
CA2202749A1 CA2202749A1 (en) 1996-04-25
CA2202749C true CA2202749C (en) 2003-05-27

Family

ID=26984767

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002202749A Expired - Fee Related CA2202749C (en) 1994-10-17 1995-10-16 Dc biopotential sensing electrode and electroconductive medium for use therein

Country Status (8)

Country Link
EP (1) EP0786958A4 (es)
JP (1) JPH10508227A (es)
AU (1) AU3824495A (es)
BR (1) BR9509370A (es)
CA (1) CA2202749C (es)
IL (1) IL115524A (es)
MX (1) MX9702807A (es)
WO (1) WO1996011631A1 (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6032064A (en) * 1996-10-11 2000-02-29 Aspect Medical Systems, Inc. Electrode array system for measuring electrophysiological signals
AU779506B2 (en) * 1996-10-11 2005-01-27 Covidien Lp Method for measuring electrophysiological signals
US6394953B1 (en) 2000-02-25 2002-05-28 Aspect Medical Systems, Inc. Electrode array system for measuring electrophysiological signals
US5895298A (en) * 1997-05-29 1999-04-20 Biofield Corp. DC biopotential electrode connector and connector condition sensor
EP1898782B1 (en) 2005-07-01 2016-04-06 Impedimed Limited Monitoring system
KR102194246B1 (ko) 2013-11-27 2020-12-22 삼성전자주식회사 생체용 전극 및 이를 포함하는 생체 신호 측정 장치
KR101649074B1 (ko) * 2015-04-09 2016-08-17 이경호 세포간 전위차를 측정하는 방법 및 이를 이용한 유방암 감별시스템
WO2024163346A1 (en) * 2023-01-30 2024-08-08 Edwards Lifesciences Corporation Sensor with electrodes having gel containment features

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3027333A (en) * 1957-12-30 1962-03-27 Burton Parsons Chemicals Inc Electrically conductive emulsions
US3828766A (en) * 1972-08-14 1974-08-13 Jet Medical Prod Inc Disposable medical electrode
US3976055A (en) * 1973-12-17 1976-08-24 Ndm Corporation Electrode and conductor therefor
US3964469A (en) * 1975-04-21 1976-06-22 Eastprint, Inc. Disposable electrode
GB1594214A (en) * 1977-01-21 1981-07-30 Cardio Tech Body electrodes
US4282878A (en) * 1979-08-17 1981-08-11 Vaughn Corporation Electrode structure for electrocardiograph and related physiological measurements and the like
US4406827A (en) * 1979-09-04 1983-09-27 Minnesota Mining And Manufacturing Company Cohesive nonsticky electrically conductive gel composition
US4365634A (en) * 1979-12-06 1982-12-28 C. R. Bard, Inc. Medical electrode construction
US4570637A (en) * 1983-10-20 1986-02-18 Andover Medical Incorporated Electrode
US4617935A (en) * 1985-03-12 1986-10-21 Ndm Corporation Medical electrode
US4685467A (en) * 1985-07-10 1987-08-11 American Hospital Supply Corporation X-ray transparent medical electrodes and lead wires and assemblies thereof
US5415164A (en) * 1991-11-04 1995-05-16 Biofield Corp. Apparatus and method for screening and diagnosing trauma or disease in body tissues
US5499628A (en) * 1993-08-27 1996-03-19 Micron Medical Products, Inc. Medical electrode

Also Published As

Publication number Publication date
JPH10508227A (ja) 1998-08-18
IL115524A (en) 2001-07-24
CA2202749A1 (en) 1996-04-25
WO1996011631A1 (en) 1996-04-25
EP0786958A4 (en) 1999-02-03
MX9702807A (es) 1998-02-28
IL115524A0 (en) 1996-01-19
BR9509370A (pt) 1998-07-07
AU3824495A (en) 1996-05-06
EP0786958A1 (en) 1997-08-06

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