DE60215470D1 - 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
DE60215470D1
DE60215470D1 DE60215470T DE60215470T DE60215470D1 DE 60215470 D1 DE60215470 D1 DE 60215470D1 DE 60215470 T DE60215470 T DE 60215470T DE 60215470 T DE60215470 T DE 60215470T DE 60215470 D1 DE60215470 D1 DE 60215470D1
Authority
DE
Germany
Prior art keywords
instrument
applied field
human body
liver
detector assembly
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
DE60215470T
Other languages
English (en)
Inventor
F Avrin
Sankaran Kumar
Peter Czipott
N Freeman
S Trammell
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.)
Quantum Magnetics Inc
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 DE60215470D1 publication Critical patent/DE60215470D1/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
    • A61B5/41—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
DE60215470T 2001-03-27 2002-03-26 Vorrichtung für magnetische suszeptibilitätsmessungen am menschlichen körper und anderen proben Expired - Lifetime DE60215470D1 (de)

Applications Claiming Priority (2)

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
PCT/US2002/009369 WO2002076294A2 (en) 2001-03-27 2002-03-26 Simplified water-bag technique for magnetic susceptibility measurements on the human body and other specimens

Publications (1)

Publication Number Publication Date
DE60215470D1 true DE60215470D1 (de) 2006-11-30

Family

ID=25226197

Family Applications (2)

Application Number Title Priority Date Filing Date
DE60216524T Expired - Lifetime DE60216524D1 (de) 2001-03-27 2002-03-26 Verfahren zur Messung der magnetischen Suszeptibilität mittels eines Wasserbeutels
DE60215470T Expired - Lifetime DE60215470D1 (de) 2001-03-27 2002-03-26 Vorrichtung für magnetische suszeptibilitätsmessungen am menschlichen körper und anderen proben

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE60216524T Expired - Lifetime DE60216524D1 (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) EP1552787B1 (de)
AT (2) ATE342692T1 (de)
AU (1) AU2002309517A1 (de)
CA (1) CA2442614A1 (de)
DE (2) DE60216524D1 (de)
WO (1) WO2002076294A2 (de)

Families Citing this family (57)

* 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
EP1541083A3 (de) * 2003-12-09 2006-03-01 Olympus Corporation Magnetflüssigkeitsdetektionsgerät
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
CN101495883A (zh) * 2006-07-28 2009-07-29 皇家飞利浦电子股份有限公司 降低mri体模中介电共振效应的胶束溶液
WO2008039526A2 (en) * 2006-09-25 2008-04-03 Flextronics Ap, Llc Bi-directional regulator
CA2676407A1 (en) 2007-02-01 2008-08-07 Proteus Biomedical, Inc. Ingestible event marker systems
US8191241B2 (en) * 2007-03-29 2012-06-05 Flextronics Ap, Llc Method of producing a multi-turn coil from folded flexible circuitry
US7760519B2 (en) * 2007-03-29 2010-07-20 Flextronics Ap, Llc Primary only control quasi resonant convertor
US7755914B2 (en) * 2007-03-29 2010-07-13 Flextronics Ap, Llc Pulse frequency to voltage conversion
US7830676B2 (en) * 2007-03-29 2010-11-09 Flextronics Ap, Llc Primary only constant voltage/constant current (CVCC) control in quasi resonant convertor
US7978489B1 (en) 2007-08-03 2011-07-12 Flextronics Ap, Llc Integrated power converters
WO2009042232A1 (en) * 2007-09-25 2009-04-02 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
US7987581B2 (en) * 2008-05-28 2011-08-02 Flextronics Ap, Llc High power manufacturing friendly 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
WO2010093479A2 (en) * 2009-02-13 2010-08-19 The Ohio State University Research Foundation Electromagnetic system and method
US9844347B2 (en) 2009-02-13 2017-12-19 The Ohio State University 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
US9862561B2 (en) 2012-12-03 2018-01-09 Flextronics Ap, Llc Driving board folding machine and method of using a driving board folding machine to fold a flexible circuit
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
WO2016089976A1 (en) * 2014-12-04 2016-06-09 General Electric Company Method and system for improved classification of constituent materials
US10154583B1 (en) 2015-03-27 2018-12-11 Flex Ltd Mechanical strain reduction on flexible and rigid-flexible circuits
CA2983448C (en) 2015-05-12 2021-03-09 Hyperfine Research, Inc. Radio frequency coil methods and apparatus
WO2017083317A1 (en) 2015-11-09 2017-05-18 Ohio State Innovation Foundation Non-invasive method for detecting a deadly form of malaria
EP3494879B1 (de) * 2016-08-02 2021-10-06 National University Corporation Tokyo Medical and Dental University Biomagnetismusmessvorrichtung
US11237233B2 (en) * 2017-03-22 2022-02-01 Vanderbilt University Self-decoupled RF coil array for MRI
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
US11051737B2 (en) * 2017-05-19 2021-07-06 Ricoh Company, Ltd. Biomagnetic measurement method, biomagnetic measuring device, and biomagnetic measuring system
US11134877B2 (en) * 2017-08-09 2021-10-05 Genetesis, Inc. Biomagnetic detection
US11555940B2 (en) * 2018-10-31 2023-01-17 KYOCERA AVX Components (Werne), GmbH Position sensing apparatus and method
WO2020104888A1 (en) 2018-11-21 2020-05-28 Biosense Webster (Israel) Ltd. Ablation catheter with stacked circuit assembly
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
PL442466A1 (pl) * 2022-10-07 2024-04-08 Uniwersytet Łódzki 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
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
US5105829A (en) 1989-11-16 1992-04-21 Fabian Carl E Surgical implement detector utilizing capacitive coupling
US5057095A (en) 1989-11-16 1991-10-15 Fabian Carl E Surgical implement detector utilizing a resonant 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
DE69431741T2 (de) 1993-03-12 2003-09-11 Toshiba Kawasaki Kk Vorrichtung zur medizinischen Behandlung mit Ultraschall
US5494033A (en) 1993-06-21 1996-02-27 Biomagnetic Technologies, Inc. Biomagnetometer with sealed vacuum enclosure and solid conduction cooling
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
ES2210662T3 (es) 1994-08-19 2004-07-01 Biosense, Inc. Sistemas medicos de diagnosis, de tratamiento y de imagen.
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
AU3772200A (en) 1999-03-24 2000-10-09 Case Western Reserve University Apparatus and method for determining magnetic susceptibility

Also Published As

Publication number Publication date
DE60216524D1 (de) 2007-01-11
US20010029329A1 (en) 2001-10-11
EP1552787B1 (de) 2006-11-29
AU2002309517A1 (en) 2002-10-08
WO2002076294A3 (en) 2002-12-27
WO2002076294A2 (en) 2002-10-03
EP1552787A1 (de) 2005-07-13
CA2442614A1 (en) 2002-10-03
ATE346542T1 (de) 2006-12-15
EP1372477B1 (de) 2006-10-18
US7047059B2 (en) 2006-05-16
EP1372477A2 (de) 2004-01-02
ATE342692T1 (de) 2006-11-15

Similar Documents

Publication Publication Date Title
DE60215470D1 (de) Vorrichtung für magnetische suszeptibilitätsmessungen am menschlichen körper und anderen proben
ATE269542T1 (de) Testelement-analysesystem mit infrarotdetektor
US5978694A (en) Method and apparatus for detecting a magnetically responsive substance
DE50209636D1 (de) Messvorrichtung und -verfahren zur Bestimmung von Parametern medizinischer Flüssigkeiten
JP2006507489A5 (de)
DK1600773T3 (da) Måling af substanser i væske
ATE287239T1 (de) Magnetische bestimmung von lage und ausrichtung
DE59813993D1 (de) Analytisches messgerät mit stechhilfe
CN1228629C (zh) 用于分析流体的设备和方法
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
Jinghong et al. A new type of transcutaneous pCO2 sensor
RU2217736C1 (ru) Анализатор парамагнитных газов
BRPI1000419B1 (pt) Instrumento e método para adquirir sinais e imagens do trato gastrintestinal
JPH10328156A (ja) 塵肺検査装置
RU2204322C2 (ru) Бесконтактный способ определения функционального состояния человека и устройство для его реализации
SU982658A1 (ru) Способ определени уровн оксигенации крови
JP2022176740A (ja) 装置及び方法
Igney et al. Planar magnetic induction impedance measurement system with normal sensor alignment for vital signs detection
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
Keppelen et al. Drift examination in magnetic induction impedance measurement
JPH05111471A (ja) 脈波測定装置

Legal Events

Date Code Title Description
8332 No legal effect for de