DE69424889T2 - Orthogonale RF-Spule für Apparat zur Bilderzeugung mittels NMR - Google Patents

Orthogonale RF-Spule für Apparat zur Bilderzeugung mittels NMR

Info

Publication number
DE69424889T2
DE69424889T2 DE69424889T DE69424889T DE69424889T2 DE 69424889 T2 DE69424889 T2 DE 69424889T2 DE 69424889 T DE69424889 T DE 69424889T DE 69424889 T DE69424889 T DE 69424889T DE 69424889 T2 DE69424889 T2 DE 69424889T2
Authority
DE
Germany
Prior art keywords
nmr
orthogonal
imaging
coil
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
DE69424889T
Other languages
English (en)
Other versions
DE69424889D1 (de
Inventor
Masami Sugie
Hirofumi Asako
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.)
Shimadzu Corp
Original Assignee
Shimadzu Corp
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 JP5034171A external-priority patent/JP2570564B2/ja
Priority claimed from JP5034170A external-priority patent/JP2638419B2/ja
Application filed by Shimadzu Corp filed Critical Shimadzu Corp
Application granted granted Critical
Publication of DE69424889D1 publication Critical patent/DE69424889D1/de
Publication of DE69424889T2 publication Critical patent/DE69424889T2/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
    • G01R33/34—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
    • G01R33/34076—Birdcage 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
    • G01R33/34046—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
    • G01R33/36—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

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE69424889T 1993-01-31 1994-01-31 Orthogonale RF-Spule für Apparat zur Bilderzeugung mittels NMR Expired - Fee Related DE69424889T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5034171A JP2570564B2 (ja) 1993-01-31 1993-01-31 Ｍｒｉ装置のｒｆコイル
JP5034170A JP2638419B2 (ja) 1993-01-31 1993-01-31 Ｍｒｉ装置の直交型ｒｆコイル

Publications (2)

Publication Number Publication Date
DE69424889D1 DE69424889D1 (de) 2000-07-20
DE69424889T2 true DE69424889T2 (de) 2000-10-26

Family

ID=26372957

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69424889T Expired - Fee Related DE69424889T2 (de) 1993-01-31 1994-01-31 Orthogonale RF-Spule für Apparat zur Bilderzeugung mittels NMR

Country Status (4)

Country Link
US (1) US5445153A (de)
EP (1) EP0609810B1 (de)
DE (1) DE69424889T2 (de)
SG (1) SG47485A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69634908T2 (de) * 1995-04-18 2006-04-27 Koninklijke Philips Electronics N.V. Rf-spulenanordnung für ein gerät für magnetische resonanzuntersuchungen
DE10157039A1 (de) * 2001-11-21 2003-06-05 Philips Intellectual Property HF-Spulenanordnung für Magnetresonanz-Bildgerät
GB9618267D0 (en) * 1996-09-02 1996-10-16 Oxford Instr Uk Ltd RF coil assembly
KR100346741B1 (ko) * 1997-12-02 2003-03-15 삼성전자 주식회사 자기공명영상장치에적용되는삽입형자기공명회전자계역수신코일
US6198962B1 (en) * 1998-11-25 2001-03-06 Toshiba America Mri, Inc. Quadrature detection coil for interventional MRI
US6208095B1 (en) 1998-12-23 2001-03-27 Axcelis Technologies, Inc. Compact helical resonator coil for ion implanter linear accelerator
US6624633B1 (en) * 1999-03-26 2003-09-23 Usa Instruments, Inc. Disjunct MRI array coil system
US6501274B1 (en) * 1999-10-15 2002-12-31 Nova Medical, Inc. Magnetic resonance imaging system using coils having paraxially distributed transmission line elements with outer and inner conductors
CA2334929A1 (en) 2000-02-10 2001-08-10 Jarod Matwiy Quadrature rf field coil for use in magnetic resonance
US6366093B1 (en) 2000-07-12 2002-04-02 Varian, Inc. Re-entrant RF cavity resonator for magnetic resonance
JP3836309B2 (ja) * 2000-09-19 2006-10-25 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 コイル駆動方法、コイル駆動装置およびｍｒｉ装置
US6552544B2 (en) * 2001-04-05 2003-04-22 Varian, Inc. Detunable coil assembly and method of detuning RF coil for MRI
US6411090B1 (en) * 2001-07-02 2002-06-25 Ge Medical Systems Global Technology Company, Llc Magnetic resonance imaging transmit coil
US7084630B2 (en) * 2004-01-28 2006-08-01 Worcester Polytechnic Institute Multi-modal RF coil for magnetic resonance imaging
US7088100B2 (en) * 2004-03-11 2006-08-08 General Electric Company Method and apparatus to generate a circular polarized RF field independent of subject asymmetry
KR20100011118A (ko) * 2008-07-24 2010-02-03 가천의과학대학교 산학협력단 자기공명 영상장치의 라디오 주파수 코일
KR102125554B1 (ko) * 2014-01-08 2020-06-22 삼성전자주식회사 알에프 코일 구조물

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4692705A (en) * 1983-12-23 1987-09-08 General Electric Company Radio frequency field coil for NMR
IL77937A (en) * 1986-02-20 1989-03-31 Elscint Ltd Hybrid resonator
US4751464A (en) * 1987-05-04 1988-06-14 Advanced Nmr Systems, Inc. Cavity resonator with improved magnetic field uniformity for high frequency operation and reduced dielectric heating in NMR imaging devices
DE4038106C2 (de) * 1989-12-12 2002-04-18 Siemens Ag Oberflächenresonator für einen Kernspintomographen
JPH0458939A (ja) * 1990-06-26 1992-02-25 Hitachi Ltd 磁気共鳴検査装置のプローブ
DE4035844A1 (de) * 1990-11-10 1992-05-14 Philips Patentverwaltung Quadraturspulenanordnung

Also Published As

Publication number Publication date
SG47485A1 (en) 1998-04-17
EP0609810B1 (de) 2000-06-14
DE69424889D1 (de) 2000-07-20
EP0609810A1 (de) 1994-08-10
US5445153A (en) 1995-08-29

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee