ATE342692T1 - Vorrichtung für magnetische suszeptibilitätsmessungen am menschlichen körper und anderen proben - Google Patents

Vorrichtung für magnetische suszeptibilitätsmessungen am menschlichen körper und anderen proben

Info

Publication number
ATE342692T1
ATE342692T1 AT02736517T AT02736517T ATE342692T1 AT E342692 T1 ATE342692 T1 AT E342692T1 AT 02736517 T AT02736517 T AT 02736517T AT 02736517 T AT02736517 T AT 02736517T AT E342692 T1 ATE342692 T1 AT E342692T1
Authority
AT
Austria
Prior art keywords
instrument
applied field
human body
liver
detector assembly
Prior art date
Application number
AT02736517T
Other languages
English (en)
Inventor
William F Avrin
Sankaran Kumar
Peter Czipott
Walter N Freeman
Hoke S Trammell
Original Assignee
Quantum Magnetics Inc
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
Application filed by Quantum Magnetics Inc filed Critical Quantum Magnetics Inc
Application granted granted Critical
Publication of ATE342692T1 publication Critical patent/ATE342692T1/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
    • A61B5/41—Detecting, measuring or recording for evaluating the immune or lymphatic systems
    • A61B5/414—Evaluating particular organs or parts of the immune or lymphatic systems
    • A61B5/416—Evaluating particular organs or parts of the immune or lymphatic systems the spleen
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/242—Detecting biomagnetic fields, e.g. magnetic fields produced by bioelectric currents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/42—Detecting, measuring or recording for evaluating the gastrointestinal, the endocrine or the exocrine systems
    • A61B5/4222—Evaluating particular parts, e.g. particular organs
    • A61B5/4244—Evaluating particular parts, e.g. particular organs liver
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/42—Detecting, measuring or recording for evaluating the gastrointestinal, the endocrine or the exocrine systems
    • A61B5/4222—Evaluating particular parts, e.g. particular organs
    • A61B5/425—Evaluating particular parts, e.g. particular organs pancreas
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/12—Measuring magnetic properties of articles or specimens of solids or fluids
    • G01R33/16—Measuring susceptibility
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Gastroenterology & Hepatology (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Endocrinology (AREA)
  • Physiology (AREA)
  • Vascular Medicine (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Electromagnetism (AREA)
  • Immunology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Measuring Magnetic Variables (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
AT02736517T 2001-03-27 2002-03-26 Vorrichtung für magnetische suszeptibilitätsmessungen am menschlichen körper und anderen proben ATE342692T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/818,700 US7047059B2 (en) 1998-08-18 2001-03-27 Simplified water-bag technique for magnetic susceptibility measurements on the human body and other specimens

Publications (1)

Publication Number Publication Date
ATE342692T1 true ATE342692T1 (de) 2006-11-15

Family

ID=25226197

Family Applications (2)

Application Number Title Priority Date Filing Date
AT02736517T ATE342692T1 (de) 2001-03-27 2002-03-26 Vorrichtung für magnetische suszeptibilitätsmessungen am menschlichen körper und anderen proben
AT05002455T ATE346542T1 (de) 2001-03-27 2002-03-26 Verfahren zur messung der magnetischen suszeptibilität mittels eines wasserbeutels

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT05002455T ATE346542T1 (de) 2001-03-27 2002-03-26 Verfahren zur messung der magnetischen suszeptibilität mittels eines wasserbeutels

Country Status (7)

Country Link
US (1) US7047059B2 (de)
EP (2) EP1372477B1 (de)
AT (2) ATE342692T1 (de)
AU (1) AU2002309517A1 (de)
CA (1) CA2442614A1 (de)
DE (2) DE60215470D1 (de)
WO (1) WO2002076294A2 (de)

Families Citing this family (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6335622B1 (en) * 1992-08-25 2002-01-01 Superconductor Technologies, Inc. Superconducting control elements for RF antennas
US6590394B2 (en) * 2001-09-28 2003-07-08 Varian, Inc. NMR probe with enhanced power handling ability
US7315166B2 (en) * 2003-01-17 2008-01-01 Mednovus, Inc. Magnetic resonance imaging screening method and apparatus
US20050148863A1 (en) * 2003-12-09 2005-07-07 Toshiro Okamura Magnetic fluid detection device
JP5420910B2 (ja) * 2006-02-14 2014-02-19 フレクストロニクス エーピー，リミテッド ライアビリティ カンパニー 電力変換装置
JP2009544432A (ja) * 2006-07-28 2009-12-17 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Ｍｒｉファントムにおいて誘電共振効果を減少するミセル溶液
WO2008039526A2 (en) * 2006-09-25 2008-04-03 Flextronics Ap, Llc Bi-directional regulator
EP3785599B1 (de) 2007-02-01 2022-08-03 Otsuka Pharmaceutical Co., Ltd. Systeme mit einnehmbaren ereignismarkern
WO2008121394A1 (en) * 2007-03-29 2008-10-09 Flextronics Ap, Llc Method of producing a multi-turn coil from folded flexible circuitry
US7830676B2 (en) * 2007-03-29 2010-11-09 Flextronics Ap, Llc Primary only constant voltage/constant current (CVCC) control in quasi resonant convertor
US7755914B2 (en) * 2007-03-29 2010-07-13 Flextronics Ap, Llc Pulse frequency to voltage conversion
US7760519B2 (en) * 2007-03-29 2010-07-20 Flextronics Ap, Llc Primary only control quasi resonant convertor
US7978489B1 (en) 2007-08-03 2011-07-12 Flextronics Ap, Llc Integrated power converters
US7920039B2 (en) * 2007-09-25 2011-04-05 Flextronics Ap, Llc Thermally enhanced magnetic transformer
US8279646B1 (en) 2007-12-14 2012-10-02 Flextronics Ap, Llc Coordinated power sequencing to limit inrush currents and ensure optimum filtering
US8040128B2 (en) * 2008-04-14 2011-10-18 Farrell David E Scanning susceptometer
US8102678B2 (en) * 2008-05-21 2012-01-24 Flextronics Ap, Llc High power factor isolated buck-type power factor correction converter
US8693213B2 (en) * 2008-05-21 2014-04-08 Flextronics Ap, Llc Resonant power factor correction converter
US8928449B2 (en) * 2008-05-28 2015-01-06 Flextronics Ap, Llc AC/DC planar transformer
DE102008056092A1 (de) * 2008-11-06 2010-05-12 Klaschka Gmbh & Co Kg Sensorvorrichtung zum Detektieren eines Gegenstandes und dessen Bewegung in einem Messbereich der Sensorvorrichtung
US8081019B2 (en) * 2008-11-21 2011-12-20 Flextronics Ap, Llc Variable PFC and grid-tied bus voltage control
US9844347B2 (en) 2009-02-13 2017-12-19 The Ohio State University Electromagnetic system and method
WO2010093479A2 (en) * 2009-02-13 2010-08-19 The Ohio State University Research Foundation Electromagnetic system and method
DE102009010943A1 (de) * 2009-02-27 2010-09-16 Hilti Aktiengesellschaft Betriebsverfahren und Spulenanordnung für einen magnetischen Sensor zur Detektion metallischer Objekte in einem Untergrund
US8040117B2 (en) * 2009-05-15 2011-10-18 Flextronics Ap, Llc Closed loop negative feedback system with low frequency modulated gain
US8289741B2 (en) * 2010-01-14 2012-10-16 Flextronics Ap, Llc Line switcher for power converters
US8586873B2 (en) * 2010-02-23 2013-11-19 Flextronics Ap, Llc Test point design for a high speed bus
US8964413B2 (en) 2010-04-22 2015-02-24 Flextronics Ap, Llc Two stage resonant converter enabling soft-switching in an isolated stage
WO2012011477A1 (ja) * 2010-07-21 2012-01-26 株式会社日立製作所 磁場計測装置
US8488340B2 (en) 2010-08-27 2013-07-16 Flextronics Ap, Llc Power converter with boost-buck-buck configuration utilizing an intermediate power regulating circuit
PL393899A1 (pl) * 2011-02-09 2012-08-13 Politechnika Poznańska Sposób wytwarzania pól magnetycznych o dużej jednorodności w obrębie badanego obiektu i kompensacja zewnętrznego pola rozproszonego i układ do jego realizacji
US9117991B1 (en) 2012-02-10 2015-08-25 Flextronics Ap, Llc Use of flexible circuits incorporating a heat spreading layer and the rigidizing specific areas within such a construction by creating stiffening structures within said circuits by either folding, bending, forming or combinations thereof
GB201211704D0 (en) * 2012-07-02 2012-08-15 Univ Leeds Magnetometer for medical use
US20160270686A1 (en) * 2012-08-24 2016-09-22 The Trustees Of Dartmouth College System and method for magnetic assessment of body iron stores
US9157975B2 (en) * 2012-10-24 2015-10-13 Siemens Medical Solutions Usa, Inc. Concurrent fat and iron estimation in magnetic resonance signal data
WO2014088974A1 (en) 2012-12-03 2014-06-12 Flextronics Ap, Llc Driving board folding machine
DE102013202163A1 (de) 2013-02-11 2014-08-14 Siemens Aktiengesellschaft Magnetresonanzvorrichtung
US10145928B2 (en) * 2013-11-28 2018-12-04 Medimagemetric LLC Differential approach to quantitative susceptibility mapping without background field removal
US9338915B1 (en) 2013-12-09 2016-05-10 Flextronics Ap, Llc Method of attaching electronic module on fabrics by stitching plated through holes
CN105078442A (zh) * 2014-05-16 2015-11-25 中国科学院沈阳自动化研究所 基于特征谱的胃磁慢波信号频率检测方法
US9723713B1 (en) 2014-05-16 2017-08-01 Multek Technologies, Ltd. Flexible printed circuit board hinge
US9549463B1 (en) 2014-05-16 2017-01-17 Multek Technologies, Ltd. Rigid to flexible PC transition
US10076267B2 (en) 2014-10-03 2018-09-18 General Electric Company Methods and systems for improved navigation
DE112015005479B4 (de) * 2014-12-04 2024-09-19 General Electric Company Verfahren und System zur verbesserten Klassifizierung von Bestandsmaterialien
US10154583B1 (en) 2015-03-27 2018-12-11 Flex Ltd Mechanical strain reduction on flexible and rigid-flexible circuits
HK1252007A1 (zh) 2015-05-12 2019-05-10 Hyperfine, Inc. 射频线圈方法和装置
WO2017083317A1 (en) 2015-11-09 2017-05-18 Ohio State Innovation Foundation Non-invasive method for detecting a deadly form of malaria
CN109561848B (zh) * 2016-08-02 2023-03-10 国立大学法人东京医科齿科大学 生物磁测量装置
US11237233B2 (en) * 2017-03-22 2022-02-01 Vanderbilt University Self-decoupled RF coil array for MRI
US11051737B2 (en) * 2017-05-19 2021-07-06 Ricoh Company, Ltd. Biomagnetic measurement method, biomagnetic measuring device, and biomagnetic measuring system
JP7035708B2 (ja) * 2017-05-19 2022-03-15 株式会社リコー 生体磁場計測方法、生体磁場計測装置及び生体磁場計測システム
EP3629911A4 (de) 2017-05-22 2021-01-20 Genetesis LLC Maschinelle differenzierung von anomalien in bioelektromagnetischen feldern
US12262997B2 (en) 2017-08-09 2025-04-01 Genetesis, Inc. Biomagnetic detection
US11134877B2 (en) * 2017-08-09 2021-10-05 Genetesis, Inc. Biomagnetic detection
US12013264B2 (en) 2018-10-16 2024-06-18 Kyocera Avx Components (Werne) Gmbh Position sensing apparatus and method
US11555940B2 (en) * 2018-10-31 2023-01-17 KYOCERA AVX Components (Werne), GmbH Position sensing apparatus and method
CN113164201B (zh) 2018-11-21 2024-11-15 伯恩森斯韦伯斯特(以色列)有限责任公司 具有堆叠式电路组件的消融导管
US11585869B2 (en) 2019-02-08 2023-02-21 Genetesis, Inc. Biomagnetic field sensor systems and methods for diagnostic evaluation of cardiac conditions
US11883047B2 (en) * 2019-09-02 2024-01-30 Moshe Ein-Gal Electromagnetic shockwave transducer
CN111281569B (zh) * 2020-02-17 2024-07-23 华中科技大学同济医学院附属协和医院 一种用于病灶精确定位的磁感探头
IL298479A (en) 2020-05-27 2023-01-01 Genetesis Inc Systems and devices for detecting coronary artery disease using magnetic field maps
EP4487484A1 (de) * 2022-03-02 2025-01-08 Radwave Technologies Inc. Elektromagnetischer feldgenerator zur elektromagnetischen verfolgung
GB202213839D0 (en) * 2022-09-22 2022-11-09 Univ Court Univ Of Glasgow Biomagnetidm measurement system and method for sensing biomagnetic signals
PL245498B1 (pl) * 2022-10-07 2024-08-12 Inst Centrum Zdrowia Matki Polki Układ sensorycznego czujnika kardiologicznego

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4431005A (en) * 1981-05-07 1984-02-14 Mccormick Laboratories, Inc. Method of and apparatus for determining very accurately the position of a device inside biological tissue
US4709213A (en) * 1982-07-23 1987-11-24 Garrett Electronics, Inc. Metal detector having digital signal processing
US5073858A (en) * 1984-12-10 1991-12-17 Mills Randell L Magnetic susceptibility imaging (msi)
DE3769201D1 (de) * 1986-05-21 1991-05-16 Siemens Ag Squid-magnetometer fuer eine vorrichtung zur messung schwacher magnetfelder.
US4827217A (en) * 1987-04-10 1989-05-02 Biomagnetic Technologies, Inc. Low noise cryogenic apparatus for making magnetic measurements
GB2204133A (en) 1987-04-21 1988-11-02 Mccormick Lab Inc A device for accurately detecting the position of a ferromagnetic material inside biological tissue
CN1049287A (zh) * 1989-05-24 1991-02-20 住友电气工业株式会社 治疗导管
US5057095A (en) * 1989-11-16 1991-10-15 Fabian Carl E Surgical implement detector utilizing a resonant marker
US5105829A (en) * 1989-11-16 1992-04-21 Fabian Carl E Surgical implement detector utilizing capacitive coupling
US5188126A (en) * 1989-11-16 1993-02-23 Fabian Carl E Surgical implement detector utilizing capacitive coupling
US5107862A (en) * 1991-05-06 1992-04-28 Fabian Carl E Surgical implement detector utilizing a powered marker
US5190059A (en) * 1989-11-16 1993-03-02 Fabian Carl E Surgical implement detector utilizing a powered marker
GB9007408D0 (en) * 1990-04-02 1990-05-30 Nycomed As Compositions
US5122744A (en) 1990-10-09 1992-06-16 Ibm Corporation Gradiometer having a magnetometer which cancels background magnetic field from other magnetometers
US5268165A (en) * 1990-10-16 1993-12-07 Biomedical Frontiers, Inc. Polymer-deferoxamine-ferric iron adducts for use in magnetic resonance imaging
US5408178A (en) * 1991-05-17 1995-04-18 Vanderbilt University Apparatus and method for imaging the structure of diamagnetic and paramagnetic objects
US5233992A (en) * 1991-07-22 1993-08-10 Edison Biotechnology Center MRI method for high liver iron measurement using magnetic susceptibility induced field distortions
GB9120508D0 (en) * 1991-09-26 1991-11-06 Nycomed As Diagnostic agents
US5424382A (en) * 1991-11-08 1995-06-13 Meister; John J. Biodegradable plastics and composites from wood
US5305751A (en) * 1992-06-04 1994-04-26 Biomagnetic Technologies, Inc. Measurement of liquid flows in a living organism
US5322682A (en) * 1992-08-06 1994-06-21 The Regents Of The University Of California Method for quantitatively measuring and mapping stored iron in tissue using MRI
US5339033A (en) 1992-08-11 1994-08-16 Alliance Pharmaceutical Corp. Method of improving fat saturation during MRI
US5456718A (en) * 1992-11-17 1995-10-10 Szymaitis; Dennis W. Apparatus for detecting surgical objects within the human body
US5353807A (en) * 1992-12-07 1994-10-11 Demarco Thomas J Magnetically guidable intubation device
US5553618A (en) * 1993-03-12 1996-09-10 Kabushiki Kaisha Toshiba Method and apparatus for ultrasound medical treatment
US5494033A (en) * 1993-06-21 1996-02-27 Biomagnetic Technologies, Inc. Biomagnetometer with sealed vacuum enclosure and solid conduction cooling
WO1996005768A1 (en) 1994-08-19 1996-02-29 Biosense, Inc. Medical diagnosis, treatment and imaging systems
US5425382A (en) 1993-09-14 1995-06-20 University Of Washington Apparatus and method for locating a medical tube in the body of a patient
US5558091A (en) * 1993-10-06 1996-09-24 Biosense, Inc. Magnetic determination of position and orientation
DE4436078A1 (de) 1994-10-10 1996-04-11 Dornier Gmbh Bildgebendes hochauflösendes Sensorsystem zu Detektion, Ortung und Identifizierung von metallischen Objekten
JP2829375B2 (ja) * 1995-03-13 1998-11-25 九州大学長 微弱磁界測定装置及び測定方法
US5842986A (en) * 1995-08-16 1998-12-01 Proton Sciences Corp. Ferromagnetic foreign body screening method and apparatus
JPH0984777A (ja) * 1995-09-25 1997-03-31 Toshiba Corp 生体磁場計測装置
US6496713B2 (en) * 1996-06-25 2002-12-17 Mednovus, Inc. Ferromagnetic foreign body detection with background canceling
WO2000057200A1 (en) 1999-03-24 2000-09-28 Case Western Reserve University Apparatus and method for determining magnetic susceptibility

Also Published As

Publication number Publication date
DE60216524D1 (de) 2007-01-11
AU2002309517A1 (en) 2002-10-08
WO2002076294A3 (en) 2002-12-27
US20010029329A1 (en) 2001-10-11
CA2442614A1 (en) 2002-10-03
DE60215470D1 (de) 2006-11-30
EP1552787A1 (de) 2005-07-13
EP1372477A2 (de) 2004-01-02
EP1372477B1 (de) 2006-10-18
ATE346542T1 (de) 2006-12-15
EP1552787B1 (de) 2006-11-29
US7047059B2 (en) 2006-05-16
WO2002076294A2 (en) 2002-10-03

Similar Documents

Publication Publication Date Title
DE60215470D1 (de) Vorrichtung für magnetische suszeptibilitätsmessungen am menschlichen körper und anderen proben
DE50006851D1 (de) Testelement-analysesystem mit infrarotdetektor
AU728256B2 (en) Method and apparatus for detecting a magnetically responsive substance
DE50209636D1 (de) Messvorrichtung und -verfahren zur Bestimmung von Parametern medizinischer Flüssigkeiten
PT722290E (pt) Determinacao magnetica de posicao e orientacao
SE9604320D0 (sv) Medical device
JP2006507489A5 (de)
DK1600773T3 (da) Måling af substanser i væske
DE59813993D1 (de) Analytisches messgerät mit stechhilfe
CN1228629C (zh) 用于分析流体的设备和方法
US20010011155A1 (en) Method and apparatus for detecting a magnetically responsive substance
RU2011130250A (ru) Устройство и способ контроля результата спинальной анестезии
Tsai et al. Paramagnetic oxygen measurement using an optical-fiber microphone
RU49434U1 (ru) Устройство для определения состояния организма человека
BRPI1000419B1 (pt) Instrumento e método para adquirir sinais e imagens do trato gastrintestinal
Jinghong et al. A new type of transcutaneous pCO2 sensor
RU2217736C1 (ru) Анализатор парамагнитных газов
RU2204322C2 (ru) Бесконтактный способ определения функционального состояния человека и устройство для его реализации
JPH10328156A (ja) 塵肺検査装置
Igney et al. Planar magnetic induction impedance measurement system with normal sensor alignment for vital signs detection
ATE264502T1 (de) Prüfvorrichtung zur erfassung und lokalisierung von materialinhomogenitäten
Kumar et al. A sian Journal of Biochem ical and Pharm aceutical Research
JPH01214336A (ja) 光電変換式指尖容積脈波計用プローブ
EP0758448A1 (de) Gasmessung im blut
MXPA99007911A (es) Metodo y aparato para detectar una sustancia sensible magneticamente

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties