DE68915536T2 - Oberflächenspulen mit 90-grad-phasenverschiebung für die bildformung mittels magnetischer rezonanz. - Google Patents

Oberflächenspulen mit 90-grad-phasenverschiebung für die bildformung mittels magnetischer rezonanz.

Info

Publication number
DE68915536T2
DE68915536T2 DE68915536T DE68915536T DE68915536T2 DE 68915536 T2 DE68915536 T2 DE 68915536T2 DE 68915536 T DE68915536 T DE 68915536T DE 68915536 T DE68915536 T DE 68915536T DE 68915536 T2 DE68915536 T2 DE 68915536T2
Authority
DE
Germany
Prior art keywords
rezonance
imaging
magnetic
phase shift
degree phase
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
DE68915536T
Other languages
English (en)
Other versions
DE68915536D1 (de
Inventor
Mehrdad Mehdizadeh
David Molyneaux
G Holland
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.)
Philips Nuclear Medicine Inc
Original Assignee
Picker International 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22880698&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE68915536(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Picker International Inc filed Critical Picker International Inc
Publication of DE68915536D1 publication Critical patent/DE68915536D1/de
Application granted granted Critical
Publication of DE68915536T2 publication Critical patent/DE68915536T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3678—Electrical details, e.g. matching or coupling of the coil to the receiver involving quadrature drive or detection, e.g. a circularly polarized RF magnetic field
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/34046—Volume type coils, e.g. bird-cage coils; Quadrature bird-cage coils; Circularly polarised coils
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/341—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3628—Tuning/matching of the transmit/receive coil
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/34007—Manufacture of RF coils, e.g. using printed circuit board technology; additional hardware for providing mechanical support to the RF coil assembly or to part thereof, e.g. a support for moving the coil assembly relative to the remainder of the MR system
DE68915536T 1988-08-19 1989-08-16 Oberflächenspulen mit 90-grad-phasenverschiebung für die bildformung mittels magnetischer rezonanz. Expired - Lifetime DE68915536T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/234,278 US4918388A (en) 1985-08-14 1988-08-19 Quadrature surface coils for magnetic resonance imaging
PCT/GB1989/000950 WO1990002342A1 (en) 1988-08-19 1989-08-16 Quadrature surface coils for magnetic resonance imaging

Publications (2)

Publication Number Publication Date
DE68915536D1 DE68915536D1 (de) 1994-06-30
DE68915536T2 true DE68915536T2 (de) 1994-09-01

Family

ID=22880698

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68915536T Expired - Lifetime DE68915536T2 (de) 1988-08-19 1989-08-16 Oberflächenspulen mit 90-grad-phasenverschiebung für die bildformung mittels magnetischer rezonanz.

Country Status (5)

Country Link
US (1) US4918388A (de)
EP (1) EP0388451B1 (de)
JP (1) JP2799894B2 (de)
DE (1) DE68915536T2 (de)
WO (1) WO1990002342A1 (de)

Families Citing this family (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5132621A (en) * 1990-04-24 1992-07-21 General Electric Company Radio frequency field coil and power splitter for nmr
US5075624A (en) * 1990-05-29 1991-12-24 North American Philips Corporation Radio frequency quadrature coil construction for magnetic resonance imaging (mri) apparatus
US5221902A (en) * 1990-10-22 1993-06-22 Medical Advances, Inc. NMR neck coil with passive decoupling
US5564421A (en) * 1991-04-04 1996-10-15 Instrumentarium Corporation VHF applicator for magnetic resonance imaging
US5585721A (en) * 1991-06-24 1996-12-17 Fonar Corporation Inductively coupled dedicated RF coils for MRI
US5196796A (en) * 1991-08-06 1993-03-23 Medrad, Inc. Anatomically conformal quadrature mri surface coil
US5457386A (en) * 1991-11-26 1995-10-10 Hitachi, Ltd. Multiple-coil adopting a quadrature detection method applied thereto and a signal processing circuit employing the same in an MRI apparatus in a vertical magnetic system
US5296813A (en) * 1992-03-05 1994-03-22 Picker International, Inc. Magnetic resonance scanner with improved packaging for circuitry within the magnetic field
US5491415A (en) * 1992-03-05 1996-02-13 Picker International, Inc. Magnetic resonance scanner with improved packaging for circuitry within the magnetic field
EP0565178B1 (de) * 1992-04-09 1997-08-06 Koninklijke Philips Electronics N.V. Quadraturspulensystem zum Gebrauch in einem Kernresonanzgerät
US5256971A (en) * 1992-05-18 1993-10-26 Medical Advances, Inc. Multiple loop coil with improved decoupling
DE4320531A1 (de) * 1993-06-21 1994-12-22 Siemens Ag Zirkular polarisierende Antenne für ein Magnetresonazgerät
US5361764A (en) * 1993-07-09 1994-11-08 Grumman Aerospace Corporation Magnetic resonance imaging foot coil assembly
US5394087A (en) * 1993-08-11 1995-02-28 Picker International, Inc. Multiple quadrature surface coil system for simultaneous imaging in magnetic resonance systems
US5610520A (en) * 1994-02-24 1997-03-11 Medrad Inc. Automatic orthogonality adjustment device for a quadrature surface coil for magnetic resonance imaging or spectroscopy
US5492122A (en) * 1994-04-15 1996-02-20 Northrop Grumman Corporation Magnetic resonance guided hyperthermia
US5663645A (en) * 1994-08-02 1997-09-02 Toshiba America Mri Inc. Spatially orthogonal rectangular coil pair suitable for vertical magnetic field MRI system
US5510711A (en) * 1994-08-05 1996-04-23 Picker International, Inc. Digital combination and correction of quadrature magnetic resonance receiver coils
US5502387A (en) * 1994-08-23 1996-03-26 Northrop Grumman Corporation Variable geometry MRI coil
US5543711A (en) * 1994-11-22 1996-08-06 Picker International, Inc. Multiple quadrature volume coils for magnetic resonance imaging
US5594339A (en) * 1995-07-11 1997-01-14 Picker International, Inc. Flexible nuclear magnetic resonance receiver coils and systems
IL117443A (en) * 1996-03-11 2000-06-29 Numalog Ltd NMR concrete analysis
JP3562902B2 (ja) * 1996-04-26 2004-09-08 株式会社日立メディコ 磁気共鳴イメージング装置用ｒｆプローブ
US5722410A (en) * 1996-06-14 1998-03-03 Picker International, Inc. Apparatus and method for automated determination of surface coil coordinates to correct signal inhomogeneities in magnetic resonance signals
US5898306A (en) * 1997-04-09 1999-04-27 Regents Of The University Of Minnesota Single circuit ladder resonator quadrature surface RF coil
US6023166A (en) * 1997-11-19 2000-02-08 Fonar Corporation MRI antenna
US7127802B1 (en) 1997-11-21 2006-10-31 Fonar Corporation Method of fabricating a composite plate
US6404199B1 (en) 1998-11-25 2002-06-11 Philips Medical Systems (Cleveland), Inc. Quadrature RF coil for vertical field MRI systems
US6169401B1 (en) 1998-11-25 2001-01-02 Picker International, Inc. Flexible open quadrature highpass ladder structure RF surface coil in magnetic resonance imaging
US6320385B1 (en) 1999-09-17 2001-11-20 Picker International, Inc. Multi-channel balun for magnetic resonance apparatus
US6493572B1 (en) * 1999-09-30 2002-12-10 Toshiba America Mri, Inc. Inherently de-coupled sandwiched solenoidal array coil
US6441615B1 (en) 1999-12-28 2002-08-27 Koninklijke Philips Electronics, Nv Crossed-ladder RF coils for vertical field MRI systems
US6377044B1 (en) 2000-03-01 2002-04-23 Philips Medical Systems(Cleveland), Inc. Multi-mode receiver coils for MRI
US6836118B2 (en) * 2000-03-10 2004-12-28 Mri Devices Corp. Method and apparatus for NMR imaging
DE10051155C2 (de) * 2000-10-16 2002-09-19 Siemens Ag Inhärent entkoppelte MR-Empfangsspulenanordnung
DE10126338A1 (de) * 2001-05-30 2002-12-12 Siemens Ag Hochfrequenz-Spulenanordnung für ein Kernspintomographie-Gerät und Kernspintomorgraphie-Gerät
US7906966B1 (en) 2001-10-05 2011-03-15 Fonar Corporation Quadrature foot coil antenna for magnetic resonance imaging
US7701209B1 (en) 2001-10-05 2010-04-20 Fonar Corporation Coils for horizontal field magnetic resonance imaging
US6593744B2 (en) 2001-11-20 2003-07-15 Koninklijke Philips Electronics, N.V. Multi-channel RF cable trap for magnetic resonance apparatus
US6798202B2 (en) 2001-11-23 2004-09-28 Koninklijke Philips Electronics N.V. Planar radio frequency coil for open magnetic resonance imaging systems
JP2006523487A (ja) * 2003-04-18 2006-10-19 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 選択可能な直交結合を用いる位相配列コイル
US20040231137A1 (en) * 2003-05-20 2004-11-25 Derek Seeber Method of manufacturing local coils using pre-tuned non-magnetic circuitry modules
EP1690104A1 (de) * 2003-11-25 2006-08-16 Koninklijke Philips Electronics N.V. Magnetresonanzspulenelement mit eingebettetem elektronikmodul
US20050127913A1 (en) * 2003-12-12 2005-06-16 Seth Berger Lc coil
CA2565248C (en) * 2004-05-07 2014-07-08 Regents Of The University Of Minnesota Multi-current elements for magnetic resonance radio frequency coils
US8401615B1 (en) 2004-11-12 2013-03-19 Fonar Corporation Planar coil flexion fixture for magnetic resonance imaging and use thereof
US7466130B1 (en) 2006-02-03 2008-12-16 Fonar Corporation Phased array shoulder coil
US9386939B1 (en) 2007-05-10 2016-07-12 Fonar Corporation Magnetic resonance imaging of the spine to detect scoliosis
US20110074422A1 (en) * 2008-05-02 2011-03-31 The Regents Of The University Of California The Office Of The President Method and apparatus for magnetic resonance imaging and spectroscopy using multiple-mode coils
US7965991B2 (en) * 2008-10-10 2011-06-21 Motorola Mobility, Inc. Phase calibration for multiple transmitter systems
JP2010233665A (ja) * 2009-03-30 2010-10-21 Ge Medical Systems Global Technology Co Llc コイル、コイル装置、および磁気共鳴イメージング装置
KR20130045889A (ko) 2010-07-01 2013-05-06 메드라드, 인크. 다-채널 직장내 코일 및 연관된 인터페이스 장치
EP2825897B1 (de) 2012-03-14 2021-08-25 Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V. Verfahren für die optimierung eines vielkanal-nahfeld-rf-transmitters für mehrere moden, mehrere lasten und in mehreren domänen
US9885766B2 (en) 2012-04-17 2018-02-06 Transarray LLC Magnetic-resonance transceiver-phased array that compensates for reactive and resistive components of mutual impedance between array elements and circuit and method thereof
US9766310B1 (en) 2013-03-13 2017-09-19 Fonar Corporation Method and apparatus for magnetic resonance imaging of the cranio-cervical junction
US9572515B1 (en) * 2013-03-13 2017-02-21 Fonar Corporation Contoured quadrature coil arrangement
CN103576111A (zh) * 2013-11-15 2014-02-12 厦门大学 一种双调频表面线圈
CN108680882B (zh) * 2018-06-28 2019-08-27 深圳先进技术研究院 一种双核射频线圈装置和双核射频阵列线圈装置

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4297637A (en) * 1978-07-20 1981-10-27 The Regents Of The University Of California Method and apparatus for mapping lines of nuclear density within an object using nuclear magnetic resonance
FI73320C (fi) * 1984-01-20 1987-09-10 Instrumentarium Oy Nmr-spolarrangemang.
JPS60227403A (ja) * 1984-04-26 1985-11-12 Yokogawa Hokushin Electric Corp 磁場発生用コイル
NL8402380A (nl) * 1984-07-30 1986-02-17 Philips Nv Kernspin resonantie apparaat met een zend-meetspoel voor hoge frequenties.
US4636730A (en) * 1984-08-16 1987-01-13 General Electric Company NMR spectroscopy body probes with at least one surface coil
US4620155A (en) * 1984-08-16 1986-10-28 General Electric Company Nuclear magnetic resonance imaging antenna subsystem having a plurality of non-orthogonal surface coils
US4638253A (en) * 1984-10-29 1987-01-20 General Electric Company Mutual inductance NMR RF coil matching device
NL8500844A (nl) * 1985-03-22 1986-10-16 Philips Nv Mr apparaat met twee orthogonale rf spoelenpaar.
DE3515190A1 (de) * 1985-04-26 1986-11-06 Siemens AG, 1000 Berlin und 8000 München Kernspin-tomographiegeraet
US4725779A (en) * 1985-05-08 1988-02-16 Mcw Research Foundation, Inc. NMR local coil with improved decoupling
US4721913A (en) * 1985-05-08 1988-01-26 Mcw Research Foundation, Inc. NMR local coil network
US4617936A (en) * 1985-08-08 1986-10-21 North American Philips Corporation Flexible surface coil for magnetic resonance imaging
US4752738A (en) * 1985-08-14 1988-06-21 Picker International, Inc. Three dimensional localized coil for magnetic resonance imaging
US4793356A (en) * 1985-08-14 1988-12-27 Picker International, Inc. Surface coil system for magnetic resonance imaging
NL8502612A (nl) * 1985-09-25 1987-04-16 Philips Nv Magnetisch resonantie apparaat met ontkoppelende detectie surface spoel.
US4718431A (en) * 1985-10-22 1988-01-12 Siemens Aktiengesellschaft Surface coil with calibration substance for use in a nuclear magnetic resonance apparatus
DE3538952A1 (de) * 1985-11-02 1987-05-14 Philips Patentverwaltung Hochfrequenz-spulenanordnung fuer kernspinresonanzgeraet
FR2592715B1 (fr) * 1986-01-07 1990-09-21 Thomson Cgr Antenne orbite pour appareil d'imagerie par resonance magnetique nucleaire
US4695801A (en) * 1986-02-10 1987-09-22 The Regents Of The University Of California Matched guadrature coils for MRI with minimized intercoil coupling
US4752736A (en) * 1986-07-22 1988-06-21 The Regents Of The University Of California Center fed QD MRI RF coil
NL8603005A (nl) * 1986-11-27 1988-06-16 Philips Nv Magnetisch resonantie apparaat met flexibele quadratuur spoelenstelsel.
US4733190A (en) * 1987-03-16 1988-03-22 Medical Advances, Inc. NMR local coil with adjustable spacing
US4734647A (en) * 1987-03-16 1988-03-29 Medical Advances, Inc. NMR local coil with foil coupling loop
US4751465A (en) * 1987-04-30 1988-06-14 Varian Associates, Inc. Spurious resonance control for NMR observe coils

Also Published As

Publication number Publication date
DE68915536D1 (de) 1994-06-30
WO1990002342A1 (en) 1990-03-08
EP0388451A1 (de) 1990-09-26
US4918388A (en) 1990-04-17
JPH04505713A (ja) 1992-10-08
JP2799894B2 (ja) 1998-09-21
EP0388451B1 (de) 1994-05-25

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8328 Change in the person/name/address of the agent

Free format text: PATENTANWAELTE REICHEL UND REICHEL, 60322 FRANKFURT

8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS MEDICAL SYSTEMS (CLEVELAND), INC., CLEVELA