DE69626901T2 - Ein Verfahren und Gerät für die Bilderzeugung durch magnetische Resonanz - Google Patents

Ein Verfahren und Gerät für die Bilderzeugung durch magnetische Resonanz

Info

Publication number
DE69626901T2
DE69626901T2 DE69626901T DE69626901T DE69626901T2 DE 69626901 T2 DE69626901 T2 DE 69626901T2 DE 69626901 T DE69626901 T DE 69626901T DE 69626901 T DE69626901 T DE 69626901T DE 69626901 T2 DE69626901 T2 DE 69626901T2
Authority
DE
Germany
Prior art keywords
magnetic resonance
resonance imaging
imaging
magnetic
resonance
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 - Fee Related
Application number
DE69626901T
Other languages
English (en)
Other versions
DE69626901D1 (de
Inventor
Ravi Srinivasan
Robet G Henderson
Robert A Elek
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
Marconi Medical Systems 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 Marconi Medical Systems Inc filed Critical Marconi Medical Systems Inc
Publication of DE69626901D1 publication Critical patent/DE69626901D1/de
Application granted granted Critical
Publication of DE69626901T2 publication Critical patent/DE69626901T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01R33/3642—Mutual coupling or decoupling of multiple coils, e.g. decoupling of a receive coil from a transmission coil, or intentional coupling of RF coils, e.g. for RF magnetic field amplification
    • G01R33/3657—Decoupling of multiple RF coils wherein the multiple RF coils do not have the same function in MR, e.g. decoupling of a transmission coil from a 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
    • G01R33/34046—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
    • G01R33/34007—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
    • 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
    • G01R33/3685—Means for reducing sheath currents, e.g. RF traps, baluns

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE69626901T 1995-08-08 1996-07-24 Ein Verfahren und Gerät für die Bilderzeugung durch magnetische Resonanz Expired - Fee Related DE69626901T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/512,722 US5664568A (en) 1995-08-08 1995-08-08 Split-top, neck and head vascular array for magnetic resonance imaging

Publications (2)

Publication Number Publication Date
DE69626901D1 DE69626901D1 (de) 2003-04-30
DE69626901T2 true DE69626901T2 (de) 2003-12-04

Family

ID=24040276

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69626901T Expired - Fee Related DE69626901T2 (de) 1995-08-08 1996-07-24 Ein Verfahren und Gerät für die Bilderzeugung durch magnetische Resonanz

Country Status (4)

Country Link
US (1) US5664568A (de)
EP (1) EP0758091B1 (de)
JP (1) JP3779384B2 (de)
DE (1) DE69626901T2 (de)

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JP3705973B2 (ja) * 1999-11-19 2005-10-12 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー Ｒｆコイルおよび磁気共鳴撮影装置
US6577888B1 (en) * 2000-09-29 2003-06-10 Usa Instruments, Inc. Sliding-dome and split-top MRI radio frequency quadrature array coil system
US6591128B1 (en) * 2000-11-09 2003-07-08 Koninklijke Philips Electronics, N.V. MRI RF coil systems having detachable, relocatable, and or interchangeable sections and MRI imaging systems and methods employing the same
US6947877B2 (en) * 2000-12-07 2005-09-20 New York University Methods for optimizing magnetic resonance imaging systems
JP4080883B2 (ja) * 2001-02-09 2008-04-23 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 磁気共鳴イメージング装置
US6784665B1 (en) * 2001-11-19 2004-08-31 General Electric Company Multiple degree of freedom adjustable MRI radio frequency array coil system
JP3825685B2 (ja) * 2001-11-22 2006-09-27 株式会社東芝 高周波コイルを使用した磁気共鳴映像装置
US7054675B2 (en) * 2002-01-30 2006-05-30 Ge Medical Systems Global Technology Company, Llc Customized spatial saturation pulse sequence for suppression of artifacts in MR images
DE10261214B4 (de) * 2002-02-19 2006-04-13 Siemens Ag Hochfrequenzantenne für eine Magnetresonanzanlage
US6781378B2 (en) 2002-02-19 2004-08-24 Siemens Aktiengesellschaft Radio-frequency antenna for a magnetic resonance system
US20050200357A1 (en) * 2002-05-13 2005-09-15 Pruessmann Klaas P. Magnectic resonance imaging
US6980002B1 (en) 2002-11-04 2005-12-27 General Electric Company Integrated cervical-thoracic-lumbar spine MRI array coil
US7084629B2 (en) * 2002-11-27 2006-08-01 Medrad, Inc. Parallel imaging compatible birdcage resonator
US6927575B2 (en) * 2003-01-21 2005-08-09 General Electric Company Surface coil decoupling means for MRI systems
DE10306998B3 (de) * 2003-02-19 2005-04-21 Siemens Ag Hochfrequenzantenne für eine Magnetresonanzanlage
US7288938B2 (en) * 2003-06-13 2007-10-30 Koninklijke Philips Electronics N.V. Connection system for split-top RF coils
US7053617B2 (en) * 2003-10-01 2006-05-30 General Electric Co. Integrated electronic RF shielding apparatus for an MRI magnet
EP1685420A1 (de) * 2003-11-12 2006-08-02 Koninklijke Philips Electronics N.V. Mri-system mit hf-empfängerspulen, die an dem gehäuse befestigt sind
US7719276B2 (en) * 2003-11-19 2010-05-18 General Electric Company Cervical-thoracic-lumbar spine phased array coil for Magnetic Resonance Imaging
WO2005081973A2 (en) * 2004-02-22 2005-09-09 Medrad, Inc. Head coil and neurovascular array for parallel imaging capable magnetic resonance systems
US6900637B1 (en) * 2004-03-19 2005-05-31 Igc Medical Advances, Inc. Phased array coil with center shifted sensitivity
ITSV20040015A1 (it) 2004-04-07 2004-07-07 Esaote Spa Dispositivo porta-paziente, come un lettino od un tavolo oppure una poltrona, e per macchine a risonanza magnetica nucleare, macchina a rosonanza magnetica nucleare e metodo per l'acquisizione di immagini in risonanza magnetica nucleare
JP4427475B2 (ja) * 2005-04-01 2010-03-10 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー Ｍｒｉ装置及び補助コイル
JP4817966B2 (ja) * 2005-05-26 2011-11-16 株式会社東芝 Ｍｒｉ装置およびｍｒｉ装置用の高周波コイル
US7466130B1 (en) * 2006-02-03 2008-12-16 Fonar Corporation Phased array shoulder coil
DE102006052217B4 (de) * 2006-11-06 2012-04-26 Siemens Ag Magnetresonanzanlage mit Empfangsantenneneinrichtung
CN101498771B (zh) * 2008-01-29 2011-12-07 西门子（中国）有限公司 磁共振成像系统的分离式线圈
DE102009023806B4 (de) 2008-07-09 2011-04-28 Siemens Aktiengesellschaft Kombinierte PET-MR-Einrichtung, Bauteil und Lokalspule
WO2010027777A2 (en) * 2008-08-27 2010-03-11 Ekam Imaging Inc. Method and apparatus for multimodal imaging
US8179136B2 (en) * 2009-04-17 2012-05-15 General Electric Company Radio frequency (RF) coil array with double asymmetric saddle coil pairs
DE102009036939A1 (de) * 2009-08-11 2011-02-24 Siemens Aktiengesellschaft Kopfspule für ein Magnetresonanztomographiegerät mit wechselbaren Bedienelementen
US8441258B2 (en) * 2009-12-30 2013-05-14 General Electric Company Quadrature and linear RF coil array for MRI of human spine and torso
RU2589761C2 (ru) * 2011-04-18 2016-07-10 Конинклейке Филипс Н.В. Безопасный замок быстрого доступа для катушки приемника мрт
DE102012201370B4 (de) * 2012-01-31 2016-02-11 Siemens Aktiengesellschaft Halterung für Double-Loop-Coil (Doppel-Schleifen-Spule) für z.B. MCP-Aufnahmen
DE102012213594B4 (de) * 2012-08-01 2016-07-28 Siemens Healthcare Gmbh MR- Oberflächenspule mit integrierter automatischer Patientenfixierung
CN105074489B (zh) * 2013-03-28 2019-02-15 皇家飞利浦有限公司 针对可变患者尺寸的多区域射频线圈阵列
CN105247380B (zh) 2013-05-02 2019-05-17 皇家飞利浦有限公司 能拆卸的连接器和能分裂的rf线圈外壳
KR101503494B1 (ko) * 2013-09-05 2015-03-16 삼성전자주식회사 Ｒｆ 코일부를 포함하는 자기공명영상 시스템
USD742011S1 (en) * 2014-07-02 2015-10-27 Samsung Electronics Co., Ltd. High frequency coil for magnetic resonance image device
USD742523S1 (en) * 2014-07-02 2015-11-03 Samsung Electronics Co., Ltd. High frequency coil for magnetic resonance image device
USD742519S1 (en) * 2014-07-02 2015-11-03 Samsung Electronics Co., Ltd. High frequency coil for magnetic resonance image device
USD748796S1 (en) * 2014-11-20 2016-02-02 General Electric Company MRI head neck coil
USD751711S1 (en) * 2014-11-20 2016-03-15 General Electric Company MRI head neck chest coil
USD748797S1 (en) * 2014-11-20 2016-02-02 General Electric Company MRI head neck coil with open face adapter
US11397229B2 (en) 2019-03-14 2022-07-26 Shanghai United Imaging Healthcare Co., Ltd. Local coil apparatus for magnetic resonance imaging
CN112075935B (zh) * 2020-11-13 2021-02-19 山东奥新医疗科技有限公司 肢体超导磁共振成像系统

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US4692705A (en) * 1983-12-23 1987-09-08 General Electric Company Radio frequency field coil for NMR
JPS6382639A (ja) * 1986-09-26 1988-04-13 三菱電機株式会社 高周波磁場発生・検出器
US4769605A (en) * 1986-11-26 1988-09-06 Kabushiki Kaisha Toshiba Network to cancel coupling between channels of quadrature antenna coil assembly in a magnetic resonance imaging system
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US4825162A (en) * 1987-12-07 1989-04-25 General Electric Company Nuclear magnetic resonance (NMR) imaging with multiple surface coils
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US5302901A (en) * 1991-08-26 1994-04-12 U.S. Philips Corporation Magnetic resonance apparatus comprising decoupled receiver coils
DE69221835T2 (de) * 1991-12-11 1998-03-05 Philips Electronics Nv Magnetresonanzgerät mit einer Vogelkäfig-RF-Spule
US5394087A (en) * 1993-08-11 1995-02-28 Picker International, Inc. Multiple quadrature surface coil system for simultaneous imaging in magnetic resonance systems
US5370118A (en) * 1993-12-23 1994-12-06 Medical Advances, Inc. Opposed loop-pair quadrature NMR coil
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US5543711A (en) * 1994-11-22 1996-08-06 Picker International, Inc. Multiple quadrature volume coils for magnetic resonance imaging

Also Published As

Publication number Publication date
EP0758091B1 (de) 2003-03-26
JP3779384B2 (ja) 2006-05-24
DE69626901D1 (de) 2003-04-30
US5664568A (en) 1997-09-09
JPH09117433A (ja) 1997-05-06
EP0758091A1 (de) 1997-02-12

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

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

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee