ATE347305T1 - Vorrichtung und vielelementwandler zur bilderzeugung mittels impedanzmessung - Google Patents

Vorrichtung und vielelementwandler zur bilderzeugung mittels impedanzmessung

Info

Publication number
ATE347305T1
ATE347305T1 AT95920465T AT95920465T ATE347305T1 AT E347305 T1 ATE347305 T1 AT E347305T1 AT 95920465 T AT95920465 T AT 95920465T AT 95920465 T AT95920465 T AT 95920465T AT E347305 T1 ATE347305 T1 AT E347305T1
Authority
AT
Austria
Prior art keywords
image generation
impedance measurement
individual
tissue surface
element converter
Prior art date
Application number
AT95920465T
Other languages
English (en)
Inventor
Andrew L Pearlman
Original Assignee
Mirabel Medical Systems Ltd
Andrew L Pearlman
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 IL11138194A external-priority patent/IL111381A0/xx
Priority claimed from IL11345495A external-priority patent/IL113454A0/xx
Application filed by Mirabel Medical Systems Ltd, Andrew L Pearlman filed Critical Mirabel Medical Systems Ltd
Application granted granted Critical
Publication of ATE347305T1 publication Critical patent/ATE347305T1/de

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
    • A61B5/053Measuring electrical impedance or conductance of a portion of the body
    • A61B5/0536Impedance imaging, e.g. by tomography
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/34Trocars; Puncturing needles
    • A61B17/3403Needle locating or guiding means
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/10Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
    • A61B90/14Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins
    • A61B90/17Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins for soft tissue, e.g. breast-holding devices
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/36Image-producing devices or illumination devices not otherwise provided for
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00Instruments for taking body samples for diagnostic purposes; Other methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determination; Throat striking implements
    • A61B10/02Instruments for taking cell samples or for biopsy
    • A61B10/0233Pointed or sharp biopsy instruments
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00Instruments for taking body samples for diagnostic purposes; Other methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determination; Throat striking implements
    • A61B10/02Instruments for taking cell samples or for biopsy
    • A61B2010/0208Biopsy devices with actuators, e.g. with triggered spring mechanisms
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B2017/00017Electrical control of surgical instruments
    • A61B2017/00022Sensing or detecting at the treatment site
    • A61B2017/00026Conductivity or impedance, e.g. of tissue
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B2017/00017Electrical control of surgical instruments
    • A61B2017/00199Electrical control of surgical instruments with a console, e.g. a control panel with a display
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B2017/0042Surgical instruments, devices or methods with special provisions for gripping
    • A61B2017/00438Surgical instruments, devices or methods with special provisions for gripping connectable to a finger
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B2017/00743Type of operation; Specification of treatment sites
    • A61B2017/00796Breast surgery
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B2017/00743Type of operation; Specification of treatment sites
    • A61B2017/00796Breast surgery
    • A61B2017/008Removal of tumors
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/34Trocars; Puncturing needles
    • A61B17/3403Needle locating or guiding means
    • A61B2017/3405Needle locating or guiding means using mechanical guide means
    • A61B2017/3411Needle locating or guiding means using mechanical guide means with a plurality of holes, e.g. holes in matrix arrangement
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/34Trocars; Puncturing needles
    • A61B17/3403Needle locating or guiding means
    • A61B2017/3413Needle locating or guiding means guided by ultrasound
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/30Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure
    • A61B2090/306Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure using optical fibres
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/36Image-producing devices or illumination devices not otherwise provided for
    • A61B90/37Surgical systems with images on a monitor during operation
    • A61B2090/378Surgical systems with images on a monitor during operation using ultrasound
    • 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
    • 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
    • A61B2562/0217Electrolyte containing
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/04Arrangements of multiple sensors of the same type
    • A61B2562/046Arrangements of multiple sensors of the same type in a matrix array
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/36Image-producing devices or illumination devices not otherwise provided for
    • A61B90/37Surgical systems with images on a monitor during operation

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biophysics (AREA)
  • Physics & Mathematics (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Neurosurgery (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)
  • Measurement Of Resistance Or Impedance (AREA)
  • Testing Of Individual Semiconductor Devices (AREA)
  • Measuring Leads Or Probes (AREA)
  • Transformers For Measuring Instruments (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
AT95920465T 1994-10-24 1995-05-19 Vorrichtung und vielelementwandler zur bilderzeugung mittels impedanzmessung ATE347305T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IL11138194A IL111381A0 (en) 1994-10-24 1994-10-24 Multi-element probe
IL11345495A IL113454A0 (en) 1995-04-20 1995-04-20 Impedance imaging devices and multi-element probe therefor

Publications (1)

Publication Number Publication Date
ATE347305T1 true ATE347305T1 (de) 2006-12-15

Family

ID=26322929

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95920465T ATE347305T1 (de) 1994-10-24 1995-05-19 Vorrichtung und vielelementwandler zur bilderzeugung mittels impedanzmessung

Country Status (9)

Country Link
EP (2) EP1595496A2 (de)
JP (1) JPH10512462A (de)
CN (1) CN1133401C (de)
AT (1) ATE347305T1 (de)
CA (1) CA2203405C (de)
DE (1) DE69535331D1 (de)
HU (1) HUT77227A (de)
NZ (1) NZ287251A (de)
WO (1) WO1996012439A1 (de)

Families Citing this family (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6560480B1 (en) 1994-10-24 2003-05-06 Transscan Medical Ltd. Localization of anomalies in tissue and guidance of invasive tools based on impedance imaging
US5810742A (en) 1994-10-24 1998-09-22 Transcan Research & Development Co., Ltd. Tissue characterization based on impedance images and on impedance measurements
US6678552B2 (en) 1994-10-24 2004-01-13 Transscan Medical Ltd. Tissue characterization based on impedance images and on impedance measurements
DE19980466D2 (de) * 1998-03-24 2001-02-22 Siemens Ag Verfahren zum Lokalisieren und Identifizieren von Signalaktivitäten mindestens eines begrenzten Raumgebiets in einem biologischen Gewebeabschnitt
US6314315B1 (en) 1999-01-13 2001-11-06 Pro Duct Health, Inc. Ductal orifice identification by characteristic electrical signal
AUPQ113799A0 (en) 1999-06-22 1999-07-15 University Of Queensland, The A method and device for measuring lymphoedema
US7729756B2 (en) 2000-01-18 2010-06-01 Siemens Aktiengesellschaft Measurement system for examining a section of tissue on a patient and the use of a measurement system of this type
IL150623A0 (en) * 2000-01-18 2003-02-12 Siemens Ag Measurement system for examining a section of tissue on a patient and the use of a measurement system of this type
US7162291B1 (en) 2000-03-01 2007-01-09 Mirabel Medical Systems Ltd. Uniform, disposable, interface for multi-element probe
US7283868B2 (en) * 2000-04-07 2007-10-16 The Johns Hopkins University Apparatus for sensing human prostate tumor
AU2001283849B2 (en) * 2000-06-09 2005-03-17 Timpel S.A. Method and apparatus for displaying information obtained by electrical impedance tomography data
WO2002019906A2 (en) * 2000-09-08 2002-03-14 Nv Thermocore Medical Systems S.A. A catheter
US7302292B2 (en) 2002-04-04 2007-11-27 Mirabel Medical Ltd. Breast cancer screening
US7209781B2 (en) * 2002-01-16 2007-04-24 Siemens Aktiengesellschaft Method for localizing at least one focal lesion in a biological tissue section
WO2003066132A1 (de) 2002-02-07 2003-08-14 Medela Ag Brusthaube
US7136696B2 (en) 2002-04-05 2006-11-14 The Cleveland Clinic Foundation Neuron signal analysis system and method
GB0228375D0 (en) * 2002-12-05 2003-01-08 Innovation And Entpr Off Of Wound mapping
CA2578106C (en) 2004-06-18 2015-09-01 The University Of Queensland Oedema detection
US8103337B2 (en) 2004-11-26 2012-01-24 Impedimed Limited Weighted gradient method and system for diagnosing disease
GB0502302D0 (en) * 2005-02-04 2005-03-16 Smiths Group Plc Medico-surgical apparatus
US8423129B2 (en) 2005-05-31 2013-04-16 Koninklijke Philips Electronics N.V. Method and apparatus for inductively measuring the bio-impedance of a user's body
JP2008544777A (ja) 2005-07-01 2008-12-11 インぺディメッド リミテッド 監視システム
WO2007002991A1 (en) 2005-07-01 2007-01-11 Impedimed Limited Monitoring system
CA2625631C (en) 2005-10-11 2016-11-29 Impedance Cardiology Systems, Inc. Hydration status monitoring
GB2442045A (en) * 2006-03-22 2008-03-26 Alexander Macrae Monitoring physiological changes
JP5431147B2 (ja) 2006-05-30 2014-03-05 インぺディメッド リミテッド インピーダンス測定
EP2091425A4 (de) 2006-11-30 2012-07-25 Impedimed Ltd Messgerät
JP5419861B2 (ja) 2007-04-20 2014-02-19 インぺディメッド リミテッド インピーダンス測定装置および方法
GB0710949D0 (en) * 2007-06-07 2007-07-18 Univ Montfort A method for analysing the structure of an electrically conductive object
AU2008324750B2 (en) 2007-11-05 2014-01-16 Impedimed Limited Impedance determination
AU2008207672B2 (en) 2008-02-15 2013-10-31 Impedimed Limited Impedance Analysis
WO2010060152A1 (en) 2008-11-28 2010-06-03 Impedimed Limited Impedance measurement process
AU2009338647B2 (en) * 2009-01-27 2015-03-19 Scibase Ab Switch probe for multiple electrode measurement of impedance
DE102009015280A1 (de) * 2009-04-01 2010-10-14 B2Electronic Gmbh Vorrichtung zur Diagnose von Messobjekten unter Verwendung einer Messspannung
JP5476564B2 (ja) * 2009-04-16 2014-04-23 国立大学法人 東京大学 医用電極器具
JP5699147B2 (ja) 2009-08-03 2015-04-08 デューン・メディカル・デバイシズ・リミテッド 被験者の測定に使用するための電磁センサ
JP5889186B2 (ja) * 2009-08-03 2016-03-22 デューン・メディカル・デバイシズ・リミテッド サージカルツール
AU2010312305B2 (en) 2009-10-26 2014-01-16 Impedimed Limited Fluid level indicator determination
EP2501283B1 (de) 2009-11-18 2016-09-21 Impedimed Limited Signalverteilung für patientenelektrodenmessungen
US20130046165A1 (en) * 2011-08-17 2013-02-21 David E. Cassidy System for a Disposable Capacitive Bioimpedance Sensor
US9180288B2 (en) * 2011-09-01 2015-11-10 Zoll Medical Corporation Medical equipment electrodes
US9597008B2 (en) 2011-09-06 2017-03-21 Ezono Ag Imaging probe and method of obtaining position and/or orientation information
WO2013090798A1 (en) 2011-12-14 2013-06-20 Intersection Medical, Inc. Devices, systems and methods for determining the relative spatial change in subsurface resistivities across frequencies in tissue
GB201303917D0 (en) 2013-03-05 2013-04-17 Ezono Ag System for image guided procedure
CN105361866A (zh) * 2014-10-16 2016-03-02 北京至感传感器技术研究院有限公司 用于检测乳房病变的胸罩和方法
CN104757972B (zh) * 2015-03-16 2024-02-06 思澜科技(成都)有限公司 一种用于生物阻抗测量的活检夹
US20190046104A1 (en) * 2015-09-15 2019-02-14 The University Of Western Ontario Electrical impedance imaging
WO2018091393A1 (en) 2016-11-18 2018-05-24 Koninklijke Philips N.V. Lateral fixation for lateral breast biopsy in breast mammography/tomosynthesis
JP6918518B2 (ja) * 2017-02-27 2021-08-11 デクセリアルズ株式会社 電気特性の検査冶具
EP3369381A1 (de) * 2017-03-01 2018-09-05 Koninklijke Philips N.V. Ultraschallsondenanordnung
GB2577927B (en) * 2018-10-11 2023-07-26 Zedsen Ltd An Apparatus for Producing Output Data Relating to Skin Conditions
KR20220050892A (ko) * 2019-07-17 2022-04-25 유이 라이프사이언시스 인코포레이티드 용량성 촉각 센서의 사용에 의해 조직 파라미터들을 측정하기 위한 시스템 및 방법
US11903639B2 (en) 2020-04-17 2024-02-20 Biosense Webster (Israel) Ltd. Flexible distal-end assembly with double-sided electrode array and irrigation
CN120788622A (zh) 2020-09-25 2025-10-17 巴德阿克塞斯系统股份有限公司 超声成像系统和最小导管长度工具
WO2022187701A1 (en) * 2021-03-05 2022-09-09 Bard Access Systems, Inc. Systems and methods for ultrasound-and-bioimpedance-based guidance of medical devices
EP4358853A1 (de) 2021-06-22 2024-05-01 Bard Access Systems, Inc. Ultraschalldetektionssystem
WO2023064492A1 (en) 2021-10-14 2023-04-20 Bard Access Systems, Inc. Fiber optic ultrasound probe
CN116135154A (zh) 2021-11-16 2023-05-19 巴德阿克塞斯系统股份有限公司 超声成像系统、超声探测器装置和利用超声成像系统的方法
US12207967B2 (en) 2022-04-20 2025-01-28 Bard Access Systems, Inc. Ultrasound imaging system
GB2631230A (en) * 2023-06-19 2025-01-01 Middlesex Univ Higher Education Corporation An apparatus for assessing biological tissue
CN119199209B (zh) * 2024-11-27 2025-02-25 安盈半导体技术(常州)有限公司 一种双金属结构探针

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4082087A (en) * 1977-02-07 1978-04-04 Isis Medical Instruments Body contact electrode structure for deriving electrical signals due to physiological activity
EP0000759B1 (de) * 1977-08-03 1981-09-02 Siemens Aktiengesellschaft Elektrode
US4458694A (en) 1977-11-02 1984-07-10 Yeda Research & Development Co., Ltd. Apparatus and method for detection of tumors in tissue
IL53286A (en) * 1977-11-02 1980-01-31 Yeda Res & Dev Apparatus and method for detection of tumors in tissue
JPS56168732A (en) * 1980-05-30 1981-12-25 Tokyo Shibaura Electric Co Ultrasonic probe
JPS5772627A (en) * 1980-10-21 1982-05-07 Tokyo Shibaura Electric Co Apparatus for detecting abnormal cell
CA1196691A (en) 1982-01-12 1985-11-12 Bradley Fry Reconstruction system and methods for impedance imaging
US4819658A (en) * 1982-02-11 1989-04-11 American Telephone And Telegraph Company, At&T Bell Laboratories Method and apparatus for measuring the temperature profile of a surface
US4617939A (en) 1982-04-30 1986-10-21 The University Of Sheffield Tomography
GB2138148B (en) * 1983-04-13 1986-07-30 Denis Nigel Smith Method and apparatus for deriving currents and potentials representative of the impedance of zones of a body
US4765343A (en) * 1985-01-29 1988-08-23 Biosonics, Inc. Apparatus for transferring electrical energy to and from living tissue
US4763660A (en) * 1985-12-10 1988-08-16 Cherne Industries, Inc. Flexible and disposable electrode belt device
US5045249A (en) * 1986-12-04 1991-09-03 At&T Bell Laboratories Electrical interconnection by a composite medium
US4896673A (en) * 1988-07-15 1990-01-30 Medstone International, Inc. Method and apparatus for stone localization using ultrasound imaging
US5099846A (en) * 1988-12-23 1992-03-31 Hardy Tyrone L Method and apparatus for video presentation from a variety of scanner imaging sources
IL91193A (en) * 1989-08-02 1996-01-19 Yeda Res & Dev Tumor detection system
US5107837A (en) * 1989-11-17 1992-04-28 Board Of Regents, University Of Texas Method and apparatus for measurement and imaging of tissue compressibility or compliance
FR2655835B1 (fr) * 1989-12-20 1992-02-28 Gen Electric Cgr Appareil de detection de kystes et/ou tumeurs du sein.
US5247938A (en) * 1990-01-11 1993-09-28 University Of Washington Method and apparatus for determining the motility of a region in the human body
IL93579A0 (en) * 1990-02-28 1990-11-29 Srd Medical Ltd Apparatus for rapidly preparing to obtain biosignals
US5295483A (en) * 1990-05-11 1994-03-22 Christopher Nowacki Locating target in human body
US5063937A (en) 1990-09-12 1991-11-12 Wright State University Multiple frequency bio-impedance measurement system
SE466987B (sv) * 1990-10-18 1992-05-11 Stiftelsen Ct Foer Dentaltekni Anordning foer djupselektiv icke-invasiv, lokal maetning av elektrisk impedans i organiska och biologiska material samt prob foer maetning av elektrisk impedans
US5415164A (en) * 1991-11-04 1995-05-16 Biofield Corp. Apparatus and method for screening and diagnosing trauma or disease in body tissues
DE4225112C1 (de) * 1992-07-30 1993-12-09 Bodenseewerk Geraetetech Einrichtung zum Messen der Position eines Instruments relativ zu einem Behandlungsobjekt
GB2276326B (en) * 1993-03-23 1996-10-09 Mclaughlin James A Profiled biosignal electrode device

Also Published As

Publication number Publication date
DE69535331D1 (de) 2007-01-18
HUT77227A (hu) 1998-03-02
CA2203405A1 (en) 1996-05-02
EP1595496A2 (de) 2005-11-16
NZ287251A (en) 1998-09-24
CA2203405C (en) 2009-04-28
EP0788329A1 (de) 1997-08-13
CN1166779A (zh) 1997-12-03
AU2591095A (en) 1996-05-15
WO1996012439A1 (en) 1996-05-02
EP0788329B1 (de) 2006-12-06
AU705041B2 (en) 1999-05-13
JPH10512462A (ja) 1998-12-02
CN1133401C (zh) 2004-01-07
EP0788329A4 (de) 1999-11-10

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