JPS6180448U - - Google Patents

Info

Publication number
JPS6180448U
JPS6180448U JP1985162004U JP16200485U JPS6180448U JP S6180448 U JPS6180448 U JP S6180448U JP 1985162004 U JP1985162004 U JP 1985162004U JP 16200485 U JP16200485 U JP 16200485U JP S6180448 U JPS6180448 U JP S6180448U
Authority
JP
Japan
Prior art keywords
magnetic field
base
nuclear spin
tomography apparatus
changing
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.)
Pending
Application number
JP1985162004U
Other languages
English (en)
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 filed Critical
Publication of JPS6180448U publication Critical patent/JPS6180448U/ja
Pending 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
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/445—MR involving a non-standard magnetic field B0, e.g. of low magnitude as in the earth's magnetic field or in nanoTesla spectroscopy, comprising a polarizing magnetic field for pre-polarisation, B0 with a temporal variation of its magnitude or direction such as field cycling of B0 or rotation of the direction of B0, or spatially inhomogeneous B0 like in fringe-field MR or in stray-field imaging
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Electromagnetism (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)

Description

【図面の簡単な説明】
図は本考案の一実施例の概略説明図である。 １〜４…コイル、５…被診察身体、７，８…グ
ラジエントコイル、９…コイル、１１…電源装置
、１２…勾配電流供給装置、１３…モータ、１４
…コイル装置、１５…給電装置、１６…信号増幅
器、１７…同期整流器、１８…プロセスコンピユ
ータ、１９…デイスプレイ装置。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 基底磁場および勾配磁場を診察対象物５に
    印加するためのコイル１〜８と、前記診察対象物
    ５の核スピンがその平衡状態から生ぜしめられる
    偏倚を検出するための少なくとも１個のコイル９
    とを備え、前記診察対象物５の内部領域を抽出す
    るための核スピン断層撮影装置において、前記基
    底磁場の方向を変えるための手段７，８，１３，
    １４を設けたことを特徴とする核スピン断層撮影
    装置。 (2) 前記基底磁場の方向を変えるための手段は
    、方向が不変化である磁場勾配あるいは方向が変
    化する磁場勾配ならびに強度が可変である磁場勾
    配を形成するための補助磁場を作り出すための手
    段７，８であることを特徴とする実用新案登録請
    求の範囲第１項記載の核スピン断層撮影装置。 (3) 前記基底磁場の方向を変えるための手段は
    、基底磁場コイル１〜４の機械的回転によつて基
    底回転磁場を作り出すための手段１３であること
    を特徴とする実用新案登録請求の範囲第１項記載
    の核スピン断層撮影装置。 (4) 前記基底磁場の方向を変えるための手段は
    、基底回転磁場を作り出すために位相の異なる電
    流あるいは時間の異なる電流パルスによつて駆動
    されるコイル装置１４であることを特徴とする実
    用新案登録請求の範囲第１項記載の核スピン断層
    撮影装置。
JP1985162004U 1984-10-26 1985-10-22 Pending JPS6180448U (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3439331 1984-10-26

Publications (1)

Publication Number Publication Date
JPS6180448U true JPS6180448U (ja) 1986-05-28

Family

ID=6248876

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985162004U Pending JPS6180448U (ja) 1984-10-26 1985-10-22

Country Status (3)

Country Link
US (1) US4701707A (ja)
EP (1) EP0181504A1 (ja)
JP (1) JPS6180448U (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5170121A (en) * 1990-04-06 1992-12-08 Kabushiki Kaisha Toshiba Magnetic resonance diagnosing apparatus
FR2752385B1 (fr) * 1996-08-13 2001-12-07 Riera Michel Dispositif permettant de catalyser des reactions chimiques ou physico-chimiques par deplacement de champs magnetiques et procede l'utilisant
WO1998012964A1 (en) * 1996-09-25 1998-04-02 Cho Zang Hee Apparatus and method for silent magnetic resonance imaging with rotating gradient coil

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4333053A (en) * 1979-03-13 1982-06-01 Emi Limited Imaging systems
GB2076542B (en) * 1980-05-21 1984-02-15 Emi Ltd Nmr imaging apparatus
US4374360A (en) * 1980-05-29 1983-02-15 Sepponen Raimo E NMR Diagnosis apparatus
JPS5838539A (ja) * 1981-08-31 1983-03-07 株式会社東芝 診断用核磁気共鳴装置
DE3135335A1 (de) * 1981-09-07 1983-08-18 Siemens AG, 1000 Berlin und 8000 München Kernspin-tomographie-verfahren
DE3139137A1 (de) * 1981-10-01 1983-04-14 Siemens AG, 1000 Berlin und 8000 München Geraet zur erzeugung von bildern eines untersuchungsobjektes
US4594550A (en) * 1982-09-07 1986-06-10 Utsunomiya University Method of scanning specifying magnetic field for nuclear magnetic resonance imaging
US4516075A (en) * 1983-01-04 1985-05-07 Wisconsin Alumni Research Foundation NMR scanner with motion zeugmatography

Also Published As

Publication number Publication date
EP0181504A1 (de) 1986-05-21
US4701707A (en) 1987-10-20

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