KR880006540A - 자기공명영상장치 - Google Patents

자기공명영상장치 Download PDF

Info

Publication number
KR880006540A
KR880006540A KR870013330A KR870013330A KR880006540A KR 880006540 A KR880006540 A KR 880006540A KR 870013330 A KR870013330 A KR 870013330A KR 870013330 A KR870013330 A KR 870013330A KR 880006540 A KR880006540 A KR 880006540A
Authority
KR
South Korea
Prior art keywords
magnetic resonance
resonance imaging
imaging apparatus
coil
cascade
Prior art date
Application number
KR870013330A
Other languages
English (en)
Inventor
벤자민 보스캄프 에디
Original Assignee
이반 밀러 레르너
엔. 브이. 필립스 글로아이람펜파브리켄
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 이반 밀러 레르너, 엔. 브이. 필립스 글로아이람펜파브리켄 filed Critical 이반 밀러 레르너
Publication of KR880006540A publication Critical patent/KR880006540A/ko

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N24/00—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects
    • 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
    • G01R33/3415—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils comprising arrays of sub-coils, i.e. phased-array coils with flexible receiver channels
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)

Abstract

내용 없음

Description

자기공명영상장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따르는 rf 코일 시스템을 구비하는 자기공명영상장치도.
제2, 3도는 그러한 장치에 대한 코일 시스템의 양호한 실시예도.

Claims (9)

  1. 정상 자기장 발생용 자기 시스템, 그레디언트장 발생용 자기시스템, rf 전송기 코일 및 물체내에 발생되어질 자기 공명 신호 검출용 rf 표면 코일 시스템을 구비하는 자기공명영상장치에 있어서, rf 표면 코일시스템이 연속성 표면 코일의 캐스 케이드를 포함하는 것을 특징으로 하는 자기공명영상장치.
  2. 제1항에 있어서, 캐스 케이드의 연속성 코일이 부분적으로 오버랩되는 것을 특징으로 하는 자기공명영상장치.
  3. 제1 또는 2항에 있어서, 코일의 캐스 케이드가 측정되어질 물체에 대하여 유연하게 배열될 수 있는 밴드형 캐리어내에 수용되는 것을 특징으로 하는 자기공명영상장치.
  4. 제1 또는 2항에 있어서, 캐스케이드가 측정되어질 물체에 대하여 직경 방향으로 배열되는 코일을 포함하는 것을 특징으로 하는 자기공명영상장치.
  5. 제4항에 있어서 코일부분중 하나가 물체 캐리어에 견고하게 접속되며, 제2코일부가 상기 접속부에 조정가능하게 접속되는 것을 특징으로 하는 자기공명영상장치.
  6. 제1항에 있어서, 캐스 케이드 코일이 횡단면의 영상용 검출신호가 하나나 동일 코일에 의해 공급되도록 배열되는 것을 특징으로 하는 자기공명영상장치.
  7. 제1항에 있어서, 사지탈 횡단면의 측정을 위하여, 캐스 케이드 배열의 코일이 사용되며, 다수의 코일로부터의 신호는 하나의 완전한 횡단면에 대해 사용되는 것을 특징으로 하는 자기공명영상장치.
  8. 제7항에 있어서, 횡단면부에 대한 검출 신호의 결합을 얻기 위하여 신호 선택수단을 제공하며, 완전한 횡단명은 동일 시간동안 실제적으로 여자후 검출되어진 신호로부터 형성될 수 있는 것을 특징으로 하는 자기공명영상장치.
  9. 제1항에 있어서, 표면 코일의 캐스 케이드가 버퍼플라이 코일을 포함하는 것을 특징으로 하는 자기공명영상장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR870013330A 1986-11-27 1987-11-26 자기공명영상장치 KR880006540A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8603006A NL8603006A (nl) 1986-11-27 1986-11-27 Magnetisch resonantie apparaat met gestapeld oppervlakte spoelenstelsel.
NL8603006 1986-11-27

Publications (1)

Publication Number Publication Date
KR880006540A true KR880006540A (ko) 1988-07-23

Family

ID=19848890

Family Applications (1)

Application Number Title Priority Date Filing Date
KR870013330A KR880006540A (ko) 1986-11-27 1987-11-26 자기공명영상장치

Country Status (8)

Country Link
US (1) US4859947A (ko)
EP (1) EP0273484B1 (ko)
JP (1) JP2599404B2 (ko)
KR (1) KR880006540A (ko)
CN (1) CN87108042A (ko)
DE (1) DE3772020D1 (ko)
FI (1) FI875183A (ko)
NL (1) NL8603006A (ko)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4943775A (en) * 1986-11-27 1990-07-24 U.S. Philips Corporation Magnetic resonance apparatus with uncoupled rf coils
NL8801018A (nl) * 1988-04-20 1989-11-16 Philips Nv Magnetisch resonantie apparaat met ontkoppelde rf-spoelen.
EP0696744A2 (en) * 1987-12-07 1996-02-14 General Electric Company Nuclear magnetic resonance (NMR) imaging with multiple surface coils
JPH01207044A (ja) * 1988-02-15 1989-08-21 Yokogawa Medical Syst Ltd 核磁気共鳴画像診断装置の受信装置
DE3816831A1 (de) * 1988-05-18 1989-11-30 Philips Patentverwaltung Kernspinuntersuchungsgeraet mit einer hochfrequenzspulenanordnung
GB8814187D0 (en) * 1988-06-15 1988-07-20 Mansfield P Improvements in/relating to surface electrical coil structures
NL8802959A (nl) * 1988-12-01 1990-07-02 Philips Nv Rf spoelensysteem met meerdere oppervlaktespoelen.
DE3905564A1 (de) * 1989-02-23 1990-09-06 Philips Patentverwaltung Anordnung fuer kernspin-resonanz-untersuchungsgeraete
US4975644A (en) * 1989-03-29 1990-12-04 Kabushiki Kaisha Toshiba Coil system for a magnetic resonance imaging system
IL91805A (en) * 1989-09-27 1996-12-05 Elscint Ltd Quadrature surface coil
JPH03236829A (ja) * 1990-02-14 1991-10-22 Toshiba Corp 磁気共鳴イメージング装置
US5216367A (en) * 1990-02-21 1993-06-01 Kabushiki Kaisha Toshiba MR imaging apparatus capable of automatically selecting multiple surface coils
NL9001298A (nl) * 1990-06-08 1992-01-02 Philips Nv Rf spoelenstelsel in magnetisch resonantie apparaat.
JP3110741B2 (ja) * 1990-07-18 2000-11-20 株式会社東芝 磁気共鳴イメージング装置
DE4226814A1 (de) * 1992-08-13 1994-02-17 Philips Patentverwaltung Spulenanordnung für MR-Untersuchungen der Mamma
DE19515586A1 (de) * 1995-04-27 1996-10-31 Siemens Ag Hochfrequenz-Antennensystem eines Gerätes zur magnetischen Kernresonanz
US5548218A (en) * 1995-10-19 1996-08-20 North Shore University Hospital Research Corporation Flexible RF coils for MRI system
DE19616464A1 (de) * 1996-04-25 1997-11-06 Philips Patentverwaltung MR-Gerät mit einer Zylinderspulenanordnung und einer Oberflächenspulenanordnung
US6534983B1 (en) 2000-12-29 2003-03-18 Ge Medical Systems Global Technology Company, Llc Multi-channel phased array coils having minimum mutual inductance for magnetic resonance systems
US7116107B2 (en) * 2004-09-10 2006-10-03 Abitibi Geophysics Inc. Transmitter loops in series for electromagnetic geophysical surveys
DE102005039380B4 (de) * 2005-08-19 2009-06-10 Siemens Ag Oberflächenspulenanordnung für Magnetresonanztomographen
JP4901917B2 (ja) * 2009-06-26 2012-03-21 中国電力株式会社 磁気測定装置、非破壊検査装置および磁気センサの検出コイルの配置方法
EP2480906A1 (en) * 2009-09-21 2012-08-01 Time Medical Holdings Company Limited Superconductor rf coil array
DE102011082778B3 (de) * 2011-09-15 2012-11-22 Siemens Aktiengesellschaft Magnetresonanzspule mit überlappenden Spulenelementen, Magnetresonanzeinrichtung und Verfahren
DE102015218749A1 (de) 2015-09-29 2017-03-30 Siemens Healthcare Gmbh Adaptive MR-Lokalspule

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4361807A (en) * 1979-08-10 1982-11-30 Picker International Limited Nuclear magnetic resonance systems
US4398149A (en) * 1981-02-02 1983-08-09 Varian Associates, Inc. NMR Probe coil system
NL8203934A (nl) * 1982-10-12 1984-05-01 Philips Nv Kernspintomograaf.
DE3340384A1 (de) * 1983-11-08 1985-05-15 Siemens AG, 1000 Berlin und 8000 München Hochfrequenz-einrichtung einer kernspinresonanz-apparatur mit einer oberflaechenspule
JPS60125550A (ja) * 1983-12-12 1985-07-04 Sanyo Electric Co Ltd Νｍｒ−ｃｔ用ｒｆコイル
JPS60190846A (ja) * 1984-03-10 1985-09-28 Jeol Ltd 核磁気共鳴装置
NL8401671A (nl) * 1984-05-25 1985-12-16 Philips Nv Kernspinresonantie apparaat met oppervlaktespoel detectie.
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
NL8502612A (nl) * 1985-09-25 1987-04-16 Philips Nv Magnetisch resonantie apparaat met ontkoppelende detectie surface spoel.

Also Published As

Publication number Publication date
EP0273484A2 (en) 1988-07-06
FI875183A0 (fi) 1987-11-24
US4859947A (en) 1989-08-22
NL8603006A (nl) 1988-06-16
JPS63234957A (ja) 1988-09-30
CN87108042A (zh) 1988-06-08
FI875183A (fi) 1988-05-28
EP0273484A3 (en) 1988-07-20
DE3772020D1 (de) 1991-09-12
EP0273484B1 (en) 1991-08-07
JP2599404B2 (ja) 1997-04-09

Similar Documents

Publication Publication Date Title
KR880006540A (ko) 자기공명영상장치
KR900014889A (ko) 상대적인 변위 측정 장치
DK48884D0 (da) Tyverisikring
KR920704127A (ko) 오일 및 물의 농도 측정 장치
SU841610A3 (ru) Электромагнитный датчик,чувстви-ТЕльНый K изМЕНЕНию МАгНиТНОгОпОл
FR2438301A1 (fr) Circuit de detection de signaux d'un capteur magnetique
SE8604333D0 (sv) Forfarande och anordning for kretsdiagnosering
SE8700359D0 (sv) Sett och/eller anordning for undertryckning och/eller separering av signaler
US4963827A (en) Intermittently activated magnetic shield arrangement for reducing noise and offsets in solid state magnetic field sensors
KR910005596A (ko) 라디오 수신기
KR950013126A (ko) 무선 디지타이저
US3714558A (en) Magnetic sensor for detecting breaks in a steel rope including multiplier for eliminating noise
US3166710A (en) Apparatus having segmented pickup coil and output circuit means responsive to signals from a single coil segment
JPS55156810A (en) Displacement detector
IL35206A (en) Apparatus for magnetodynamic testing for flaws in steel ropes with additional means for reducing signal noise
TR25852A (tr) BIR IF SINYALININ FREKANSININ ÖLCüLMESI ICIN SAYISAL YÖNTEM VE AYGIT.
SU1287758A3 (ru) Устройство дл испытани и идентификации электропровод щих монет
FR2352307A1 (fr) Dispositif pour la mesure d'un champ magnetique au moyen d'un magnetometre du type a barreau
KR860009552A (ko) 위상 반전 검출 방식 디지타이저
KR940006064A (ko) 검전장치(檢錢裝置)
JPS551533A (en) Magnetic flaw detection apparatus of rope
GB1155817A (en) Magnetic nondestructive testing system
RU1422807C (ru) Меточный ядерно-магнитный расходомер
SU1485812A1 (ru) Mhoгokahaльhoe цифpoboe уctpoйctbo для peгиctpaции эhepгии cигhaлob akуctичeckoй эmиccии
SU411517A1 (ko)

Legal Events

Date Code Title Description
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid