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

    • 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
    • A61B5/0536—Impedance imaging, e.g. by tomography
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3403—Needle locating or guiding means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, 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
    • A61B90/10—Instruments, 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
    • A61B90/14—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins
    • A61B90/17—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins for soft tissue, e.g. breast-holding devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, 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
    • A61B90/36—Image-producing devices or illumination devices not otherwise provided for
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
    • A61B10/02—Instruments for taking cell samples or for biopsy
    • A61B10/0233—Pointed or sharp biopsy instruments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
    • A61B10/02—Instruments for taking cell samples or for biopsy
    • A61B2010/0208—Biopsy devices with actuators, e.g. with triggered spring mechanisms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00017—Electrical control of surgical instruments
    • A61B2017/00022—Sensing or detecting at the treatment site
    • A61B2017/00026—Conductivity or impedance, e.g. of tissue
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00017—Electrical control of surgical instruments
    • A61B2017/00199—Electrical control of surgical instruments with a console, e.g. a control panel with a display
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/0042—Surgical instruments, devices or methods, e.g. tourniquets with special provisions for gripping
    • A61B2017/00438—Surgical instruments, devices or methods, e.g. tourniquets with special provisions for gripping connectable to a finger
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00743—Type of operation; Specification of treatment sites
    • A61B2017/00796—Breast surgery
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00743—Type of operation; Specification of treatment sites
    • A61B2017/00796—Breast surgery
    • A61B2017/008—Removal of tumors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3403—Needle locating or guiding means
    • A61B2017/3405—Needle locating or guiding means using mechanical guide means
    • A61B2017/3411—Needle locating or guiding means using mechanical guide means with a plurality of holes, e.g. holes in matrix arrangement
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3403—Needle locating or guiding means
    • A61B2017/3413—Needle locating or guiding means guided by ultrasound
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, 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
    • A61B90/30—Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure
    • A61B2090/306—Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure using optical fibres
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, 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
    • A61B90/36—Image-producing devices or illumination devices not otherwise provided for
    • A61B90/37—Surgical systems with images on a monitor during operation
    • A61B2090/378—Surgical systems with images on a monitor during operation using ultrasound
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/02—Details of sensors specially adapted for in-vivo measurements
    • A61B2562/0209—Special features of electrodes classified in A61B5/24, A61B5/25, A61B5/283, A61B5/291, A61B5/296, A61B5/053
    • A61B2562/0215—Silver or silver chloride containing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/02—Details of sensors specially adapted for in-vivo measurements
    • A61B2562/0209—Special features of electrodes classified in A61B5/24, A61B5/25, A61B5/283, A61B5/291, A61B5/296, A61B5/053
    • A61B2562/0217—Electrolyte containing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/04—Arrangements of multiple sensors of the same type
    • A61B2562/046—Arrangements of multiple sensors of the same type in a matrix array
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, 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
    • A61B90/36—Image-producing devices or illumination devices not otherwise provided for
    • A61B90/37—Surgical 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)
  • Transformers For Measuring Instruments (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Testing Of Individual Semiconductor Devices (AREA)
  • Measuring Leads Or Probes (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 (54)

* 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
WO1999048422A1 (de) * 1998-03-24 1999-09-30 Siemens Aktiengesellschaft Verfahren zum lokalisieren und identifizieren von signalaktivitäten mindestens eines begrenzten raumgebiets in einem biologischen gewebeabschnitt
ATE392180T1 (de) 1999-01-13 2008-05-15 Cytyc Corp Identifikation duktaler öffnungen mittels charakteristischem elektrischen 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
DE10102204A1 (de) * 2000-01-18 2001-07-19 Siemens Ag Messanordnung zur Untersuchung eines Gewebeabschnitts eines Patienten sowie Verwendung einer derartigen Messanordnung
EP1261277A1 (de) * 2000-03-01 2002-12-04 Transscan Medical Ltd Gleichförmige wegwerfzwischenschicht für multi-elementenprobe
WO2001076475A2 (en) * 2000-04-07 2001-10-18 The Johns Hopkins University Apparatus for sensing human prostate tumor
ES2276814T5 (es) * 2000-06-09 2010-04-29 Bohm, Stephan, Dr. Metodo y aparato para presentar en pantalla informacion obtenida por datos de tomografia de impedancia electrica.
AU2001291842A1 (en) * 2000-09-08 2002-03-22 N V Thermocore Medical Systems S.A. A catheter
US7209781B2 (en) * 2002-01-16 2007-04-24 Siemens Aktiengesellschaft Method for localizing at least one focal lesion in a biological tissue section
AU2002226251A1 (en) 2002-02-07 2003-09-02 Medela Ag Breast cap
EP1496796A4 (de) 2002-04-04 2008-08-27 Transscan Medical Ltd Brustkrebsvorsorgeuntersuchung
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
RU2402978C2 (ru) * 2005-05-31 2010-11-10 Конинклейке Филипс Электроникс Н.В. Способ и прибор для индуктивного измерения биоимпеданса тела пользователя
JP5607300B2 (ja) 2005-07-01 2014-10-15 インぺディメッド リミテッド 対象上でインピーダンス測定を実行するための装置および方法
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
EP1948017B1 (de) 2005-10-11 2014-04-02 Impedimed Limited Überwachung des hydrationszustands
GB2442045A (en) * 2006-03-22 2008-03-26 Alexander Macrae Monitoring physiological changes
WO2007137333A1 (en) 2006-05-30 2007-12-06 The University Of Queensland Impedance measurements
JP5372768B2 (ja) 2006-11-30 2013-12-18 インぺディメッド リミテッド 測定装置
AU2008241356B2 (en) 2007-04-20 2013-10-03 Impedimed Limited Monitoring system and probe
GB0710949D0 (en) 2007-06-07 2007-07-18 Univ Montfort A method for analysing the structure of an electrically conductive object
US8836345B2 (en) 2007-11-05 2014-09-16 Impedimed Limited Impedance determination
AU2008207672B2 (en) 2008-02-15 2013-10-31 Impedimed Limited Impedance Analysis
AU2009321478B2 (en) 2008-11-28 2014-01-23 Impedimed Limited Impedance measurement process
CA2750715A1 (en) * 2009-01-27 2010-08-05 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
EP2461755A4 (de) * 2009-08-03 2017-07-12 Dune Medical Devices Ltd. Chirurgisches instrument
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
CA2777797A1 (en) 2009-10-26 2011-05-05 Impedimed Limited Fluid level indicator determination
AU2010321683B2 (en) 2009-11-18 2014-06-26 Impedimed Limited Signal distribution for patient-electrode measurements
WO2013026028A1 (en) * 2011-08-17 2013-02-21 Cassidy David E System for a disposable capacitive bioimpedance sensor
US9180288B2 (en) * 2011-09-01 2015-11-10 Zoll Medical Corporation Medical equipment electrodes
ES2670800T3 (es) 2011-09-06 2018-06-01 Ezono Ag Sonda de captación de imagen
EP2790576A4 (de) 2011-12-14 2015-07-08 Intersection Medical Inc Vorrichtungen, systeme und verfahren zur bestimmung der relativen räumlichen veränderung in unterirdischen widerständen zwischen frequenzen in einem gewebe
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
WO2017045074A1 (en) * 2015-09-15 2017-03-23 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
US11903639B2 (en) 2020-04-17 2024-02-20 Biosense Webster (Israel) Ltd. Flexible distal-end assembly with double-sided electrode array and irrigation
CN114246614A (zh) 2020-09-25 2022-03-29 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
US20220280246A1 (en) * 2021-03-05 2022-09-08 Bard Access Systems, Inc. Systems and Methods for Ultrasound-And-Bioimpedance-Based Guidance of Medical Devices

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
FR2704417A1 (fr) * 1993-03-23 1994-11-04 Mclaughlin James A Dispositif à électrode(s) profilée(s) pour la détection de signaux bioélectriques.

Also Published As

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

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