FR2530816B1 - - Google Patents

Info

Publication number
FR2530816B1
FR2530816B1 FR8212858A FR8212858A FR2530816B1 FR 2530816 B1 FR2530816 B1 FR 2530816B1 FR 8212858 A FR8212858 A FR 8212858A FR 8212858 A FR8212858 A FR 8212858A FR 2530816 B1 FR2530816 B1 FR 2530816B1
Authority
FR
France
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
Application number
FR8212858A
Other languages
French (fr)
Other versions
FR2530816A1 (fr
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.)
INST PHYSIQUE BIOLOG
Original Assignee
INST PHYSIQUE BIOLOG
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 INST PHYSIQUE BIOLOG filed Critical INST PHYSIQUE BIOLOG
Priority to FR8212858A priority Critical patent/FR2530816A1/fr
Publication of FR2530816A1 publication Critical patent/FR2530816A1/fr
Application granted granted Critical
Publication of FR2530816B1 publication Critical patent/FR2530816B1/fr
Granted 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
    • 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
    • G01R33/34053—Solenoid coils; Toroidal 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
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/381—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets
    • 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
    • G01R33/42—Screening
    • G01R33/422—Screening of the radio frequency 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
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/483—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy
    • G01R33/4831—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy using B1 gradients, e.g. rotating frame techniques, use of surface coils

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
FR8212858A 1982-07-21 1982-07-21 Systeme d'antennes radiofrequence pour l'examen des corps volumineux par resonance magnetique nucleaire et appareil d'imagerie utilisant un tel systeme Granted FR2530816A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8212858A FR2530816A1 (fr) 1982-07-21 1982-07-21 Systeme d'antennes radiofrequence pour l'examen des corps volumineux par resonance magnetique nucleaire et appareil d'imagerie utilisant un tel systeme

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8212858A FR2530816A1 (fr) 1982-07-21 1982-07-21 Systeme d'antennes radiofrequence pour l'examen des corps volumineux par resonance magnetique nucleaire et appareil d'imagerie utilisant un tel systeme

Publications (2)

Publication Number Publication Date
FR2530816A1 FR2530816A1 (fr) 1984-01-27
FR2530816B1 true FR2530816B1 (enrdf_load_stackoverflow) 1985-03-01

Family

ID=9276238

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8212858A Granted FR2530816A1 (fr) 1982-07-21 1982-07-21 Systeme d'antennes radiofrequence pour l'examen des corps volumineux par resonance magnetique nucleaire et appareil d'imagerie utilisant un tel systeme

Country Status (1)

Country Link
FR (1) FR2530816A1 (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3410215A1 (de) * 1984-03-20 1985-10-03 Siemens AG, 1000 Berlin und 8000 München Hochfrequenz-antenneneinrichtung in einer kernspintomographie-apparatur und verfahren zu ihrem betrieb
US4721915A (en) * 1985-03-06 1988-01-26 Siemens Aktiengesellschaft High frequency antenna system for nuclear magnetic resonance tomography devices
EP0352824B1 (de) * 1985-11-18 1993-11-03 Siemens Aktiengesellschaft Lokalspulenanordnung für die Untersuchung mit Hilfe der kernmagnetischen Resonanz
JPS63503118A (ja) * 1986-04-21 1988-11-17 ザ ボード オブ トラスティーズ オブ ザ リーランド スタンフォード ジュニア ユニバーシティ 限定された領域からの核磁気信号を分離する装置
US4794338A (en) * 1987-11-25 1988-12-27 General Electric Company Balanced self-shielded gradient coils
DE3918743A1 (de) * 1989-06-08 1990-12-13 Philips Patentverwaltung Hochfrequenz-quadraturspulenanordnung
GB2337819A (en) * 1998-05-28 1999-12-01 Marconi Gec Ltd MRI apparatus with RF coil array

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2475281A1 (fr) * 1980-02-05 1981-08-07 Radiologie Cie Gle Aimant sans circuit magnetique, a haute homogeneite, notamment pour imagerie par resonance magnetique nucleaire
JPS574541A (en) * 1980-06-12 1982-01-11 Toshiba Corp Nuclear magnetic resonance apparatus

Also Published As

Publication number Publication date
FR2530816A1 (fr) 1984-01-27

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Legal Events

Date Code Title Description
ST Notification of lapse
RC Opposition against decision of lapse
DA Annulment of decision of lapse
ST Notification of lapse