[go: up one dir, main page]

DE69535331D1 - Vorrichtung und vielelementwandler zur bilderzeugung mittels impedanzmessung - Google Patents

Vorrichtung und vielelementwandler zur bilderzeugung mittels impedanzmessung

Info

Publication number
DE69535331D1
DE69535331D1 DE69535331T DE69535331T DE69535331D1 DE 69535331 D1 DE69535331 D1 DE 69535331D1 DE 69535331 T DE69535331 T DE 69535331T DE 69535331 T DE69535331 T DE 69535331T DE 69535331 D1 DE69535331 D1 DE 69535331D1
Authority
DE
Germany
Prior art keywords
transformers
imaging
impedance measurement
many elements
individual
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 - Lifetime
Application number
DE69535331T
Other languages
English (en)
Inventor
L Pearlman
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.)
Mirabel Medical Systems Ltd
Original Assignee
Mirabel Medical Systems Ltd
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 filed Critical Mirabel Medical Systems Ltd
Application granted granted Critical
Publication of DE69535331D1 publication Critical patent/DE69535331D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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—Instruments 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
    • A61B10/02—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—Instruments 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
    • A61B10/02—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
    • 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
    • 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
    • A61B2017/0042—Surgical instruments, devices or methods with special provisions for gripping
    • A61B2017/00438—Surgical instruments, devices or methods 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
    • 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
    • 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
    • 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
    • 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)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Biophysics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Physics & Mathematics (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)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Transformers For Measuring Instruments (AREA)
  • Measuring Leads Or Probes (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Testing Of Individual Semiconductor Devices (AREA)
DE69535331T 1994-10-24 1995-05-19 Vorrichtung und vielelementwandler zur bilderzeugung mittels impedanzmessung Expired - Lifetime DE69535331D1 (de)

Applications Claiming Priority (3)

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
PCT/US1995/006141 WO1996012439A1 (en) 1994-10-24 1995-05-19 Impedance imaging devices and multi-element probe

Publications (1)

Publication Number Publication Date
DE69535331D1 true DE69535331D1 (de) 2007-01-18

Family

ID=26322929

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69535331T Expired - Lifetime DE69535331D1 (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 (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6678552B2 (en) 1994-10-24 2004-01-13 Transscan Medical Ltd. Tissue characterization based on impedance images and on impedance measurements
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
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
CA2360540C (en) 1999-01-13 2008-11-04 David Hung 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
DE50104761D1 (de) * 2000-01-18 2005-01-13 Siemens Ag Messanordnung zur untersuchung eines gewebeabschnitts eines patienten
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
EP1261277A1 (de) 2000-03-01 2002-12-04 Transscan Medical Ltd Gleichförmige wegwerfzwischenschicht für multi-elementenprobe
US7283868B2 (en) * 2000-04-07 2007-10-16 The Johns Hopkins University Apparatus for sensing human prostate tumor
WO2001093760A1 (en) * 2000-06-09 2001-12-13 Böhm, Stephan 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
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
WO2003084383A2 (en) 2002-04-04 2003-10-16 Transscan Medical Ltd. Breast classification based on impedance measurements
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
ES2751995T3 (es) 2004-06-18 2020-04-02 Impedimed Ltd Detección de edema
EP1827222A1 (de) 2004-11-26 2007-09-05 Z-Tech (Canada) Inc. Gewichtetes gradientenverfahren und system zur diagnose von krankheiten
GB0502302D0 (en) * 2005-02-04 2005-03-16 Smiths Group Plc Medico-surgical apparatus
CN101184436B (zh) * 2005-05-31 2015-04-22 皇家飞利浦电子股份有限公司 用于感应测量用户身体的生物阻抗的方法和装置
US8548580B2 (en) 2005-07-01 2013-10-01 Impedimed Limited Monitoring system
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
US9724012B2 (en) 2005-10-11 2017-08-08 Impedimed Limited Hydration status monitoring
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
EP2091425A4 (de) 2006-11-30 2012-07-25 Impedimed Ltd Messgerät
US10307074B2 (en) 2007-04-20 2019-06-04 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
CA2704061C (en) 2007-11-05 2017-06-20 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
KR20110108387A (ko) * 2009-01-27 2011-10-05 싸이베이스 에이비 임피던스의 다중 전극 측정을 위한 스위치 프로브
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
CN102770085B (zh) * 2009-08-03 2015-06-10 沙丘医疗设备有限公司 手术工具
ES2654145T3 (es) 2009-08-03 2018-02-12 Dune Medical Devices Ltd. Sensor electromagnético para su uso en mediciones en un sujeto
US9615767B2 (en) 2009-10-26 2017-04-11 Impedimed Limited Fluid level indicator determination
EP2501283B1 (de) 2009-11-18 2016-09-21 Impedimed Limited Signalverteilung für patientenelektrodenmessungen
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
CN105232047B (zh) 2011-09-06 2019-01-01 伊卓诺股份有限公司 成像探头以及获得位置和/或方向信息的方法
CA2858244A1 (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
WO2021011757A1 (en) * 2019-07-17 2021-01-21 Ue Lifesciences Inc. System and method for measuring tissue parameters by use of capacitive tactile sensor
US11903639B2 (en) 2020-04-17 2024-02-20 Biosense Webster (Israel) Ltd. Flexible distal-end assembly with double-sided electrode array and irrigation
EP4213739A1 (de) 2020-09-25 2023-07-26 Bard Access Systems, Inc. Werkzeug mit minimaler katheterlänge
CN217907827U (zh) * 2021-03-05 2022-11-29 巴德阿克塞斯系统股份有限公司 用于接入患者体内目标的具有基于超声和生物阻抗的引导的超声系统
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
IL53286A (en) * 1977-11-02 1980-01-31 Yeda Res & Dev Apparatus and method for detection of tumors in tissue
US4458694A (en) * 1977-11-02 1984-07-10 Yeda Research & Development Co., Ltd. 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
AU705041B2 (en) 1999-05-13
CN1133401C (zh) 2004-01-07
CA2203405C (en) 2009-04-28
EP0788329A4 (de) 1999-11-10
WO1996012439A1 (en) 1996-05-02
AU2591095A (en) 1996-05-15
JPH10512462A (ja) 1998-12-02
CN1166779A (zh) 1997-12-03
CA2203405A1 (en) 1996-05-02
HUT77227A (hu) 1998-03-02
NZ287251A (en) 1998-09-24
EP0788329B1 (de) 2006-12-06
EP0788329A1 (de) 1997-08-13
ATE347305T1 (de) 2006-12-15
EP1595496A2 (de) 2005-11-16

Similar Documents

Publication Publication Date Title
DE69535331D1 (de) Vorrichtung und vielelementwandler zur bilderzeugung mittels impedanzmessung
DE3885575D1 (de) Vorrichtung zur Analyse mittels Röntgenstrahlen.
GB2105044A (en) Monitoring egg electrode attachment
CA2377813A1 (en) Extracellular recording multiple electrode
EP0426275A3 (en) Electrical test probe
DE60206206D1 (de) Vorrichtung zur Messung der Menge an intraabdominalem Fett während der Überwachung der Gewichtsabnahme einer Person
DK503287A (da) Anordning ved en indikator eller et instrumentbraet
DE3582177D1 (de) Geraet zur impedanzmessung des thorax.
EP0324110A3 (en) Electrical signal sampling probe apparatus
GB2303920A (en) Piezoelectric sensors
DE60018669D1 (de) Vorrichtung zur bioelektrischen Impedanzmessung
DE3768121D1 (de) Sonde fuer ein elektrisches messsystem.
EP0302228A3 (de) Sensor zur Messung der Aktivität von Ionen und dessen Verwendung
IL65581A (en) Electrical measuring system particularly useful for the non-invasive examination of biological tissue
DE3689490D1 (de) Elektronenstrahlprüfsonde zur Untersuchung integrierter Schaltungen.
EP0299204A3 (en) Manually operable positioning device
Miller The measurement of electric fields in live line working
DE3578594D1 (de) Vorrichtung zur pruefung von elektrisch leitenden gegenstaenden mittels ultraschall.
FR2614519B1 (fr) Instrument d'insertion pour une sonde endoscopique
FR2617977B1 (fr) Appareil de test de circuit imprime
FR2639119B1 (fr) Appareil de mesure de differentes grandeurs electriques ou multimetre perfectionne
GB8829273D0 (en) Electrical testing probe
DE69211784D1 (de) Testsonde für elektrischen Kontakt
DE3576200D1 (de) Vorrichtung zur nachweisung eines eingeschlossenen elektrisch leitenden materials und verwendungen dieser vorrichtung.
NO882916D0 (no) System for datatransmisjon.

Legal Events

Date Code Title Description
8332 No legal effect for de