KR910006877B1 - 저항성 자기공진 영상화 마그네트 - Google Patents

저항성 자기공진 영상화 마그네트 Download PDF

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Publication number
KR910006877B1
KR910006877B1 KR1019860007900A KR860007900A KR910006877B1 KR 910006877 B1 KR910006877 B1 KR 910006877B1 KR 1019860007900 A KR1019860007900 A KR 1019860007900A KR 860007900 A KR860007900 A KR 860007900A KR 910006877 B1 KR910006877 B1 KR 910006877B1
Authority
KR
South Korea
Prior art keywords
coil
cylindrical
coil assembly
radio frequency
magnet
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
Application number
KR1019860007900A
Other languages
English (en)
Korean (ko)
Other versions
KR870003522A (ko
Inventor
트리폰 라스카리스 이반겔로스
벤카타크리쉬나마 챠를 마다부쉬
Original Assignee
제너럴 일렉트릭 캄파니
샘슨 헬프코트
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 제너럴 일렉트릭 캄파니, 샘슨 헬프코트 filed Critical 제너럴 일렉트릭 캄파니
Publication of KR870003522A publication Critical patent/KR870003522A/ko
Application granted granted Critical
Publication of KR910006877B1 publication Critical patent/KR910006877B1/ko
Expired legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F19/00—Fixed transformers or mutual inductances of the signal type
    • 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
    • G01R33/3804—Additional hardware for cooling or heating of the magnet assembly, for housing a cooled or heated part of the magnet assembly or for temperature control of the magnet assembly
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/20—Electromagnets; Actuators including electromagnets without armatures
    • 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
    • G01R33/34069—Saddle coils

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
KR1019860007900A 1985-09-23 1986-09-22 저항성 자기공진 영상화 마그네트 Expired KR910006877B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/779,366 US4660013A (en) 1985-09-23 1985-09-23 Compact whole body resistive magnetic resonance imaging magnet
US779,366 1985-09-23

Publications (2)

Publication Number Publication Date
KR870003522A KR870003522A (ko) 1987-04-18
KR910006877B1 true KR910006877B1 (ko) 1991-09-09

Family

ID=25116212

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860007900A Expired KR910006877B1 (ko) 1985-09-23 1986-09-22 저항성 자기공진 영상화 마그네트

Country Status (4)

Country Link
US (1) US4660013A (cg-RX-API-DMAC7.html)
JP (1) JPS62117309A (cg-RX-API-DMAC7.html)
KR (1) KR910006877B1 (cg-RX-API-DMAC7.html)
CN (1) CN86104000A (cg-RX-API-DMAC7.html)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62165307A (ja) * 1986-01-16 1987-07-21 Fuji Electric Co Ltd 液冷式均一磁場コイル
DE3613682A1 (de) * 1986-04-23 1987-10-29 Bruker Analytische Messtechnik Verfahren und vorrichtung zum kuehlen eines resistiven magnetsystems fuer kernspintomographen
JPS6350003A (ja) * 1986-08-20 1988-03-02 Toshiba Corp 磁気共鳴イメ−ジング装置用磁石装置
USD306577S (en) 1987-03-27 1990-03-13 Kabushiki Kaisha Toshiba Superconducting magnet for magnetic resonance imaging apparatuses
US4837541A (en) * 1987-04-02 1989-06-06 General Electric Company Shield suspension system for a magnetic resonance cryostat
US4771256A (en) * 1987-04-02 1988-09-13 General Electric Company Integral shield for mr magnet
JPS63307711A (ja) * 1987-06-10 1988-12-15 Toshiba Corp 磁石装置
US4743880A (en) * 1987-09-28 1988-05-10 Ga Technologies Inc. MRI magnet system having shield and method of manufacture
GB8920345D0 (en) * 1989-09-08 1989-10-25 Oxford Advanced Tech Magnetic field generating system
JPH0394203U (cg-RX-API-DMAC7.html) * 1990-01-10 1991-09-26
EP0893700A1 (en) * 1997-07-25 1999-01-27 Atlas Investments Ltd. Solenoidal resistive magnet for nuclear magnetic resonance imaging
GB2341449B (en) * 1998-09-11 2003-03-26 Oxford Magnet Tech Stabilisation of a magnetic field of a magnetic reasonance imaging apparatus
US7733090B2 (en) * 2004-07-01 2010-06-08 Hitachi Metals, Ltd. Magnetic field generator
JP2006043077A (ja) * 2004-08-04 2006-02-16 Hitachi Medical Corp 磁気共鳴イメージング装置
GB2446974B (en) 2006-04-13 2009-01-14 Siemens Magnet Technology Ltd A solenoidal magnet structure
US8026721B2 (en) * 2009-02-25 2011-09-27 Siemens Aktiengesellschaft Remote body arrays for high-performance magnetic resonance imaging and spectroscopy
GB2471882B (en) * 2009-07-16 2011-09-28 Siemens Magnet Technology Ltd Method of manufacturing a solenoidal magnet, and a solenoidal magnet structure
DE102013215918B4 (de) * 2013-08-12 2017-07-27 Siemens Healthcare Gmbh Thermostabilisierung einer Antennenanordnung für Magnetresonanztomographie
JP6247630B2 (ja) * 2014-12-11 2017-12-13 Ckd株式会社 コイルの冷却構造
CN107275035A (zh) * 2017-07-25 2017-10-20 无锡希恩电气有限公司 一种磁控管用电磁铁
GB2569184B (en) * 2017-12-11 2020-02-26 Siemens Healthcare Ltd An assembly comprising a cylindrical structure supported by a support structure
CN108279394B (zh) * 2018-02-12 2021-01-19 上海东软医疗科技有限公司 一种mri水模的支撑定位装置
CN108447647B (zh) * 2018-04-16 2023-07-11 浙江工业大学 一种基于电励磁的湿式四磁柱式电磁铁
CN110613893A (zh) * 2019-10-31 2019-12-27 南京工业职业技术学院 一种新型励磁线圈

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60229311A (ja) * 1984-04-26 1985-11-14 Yokogawa Hokushin Electric Corp 磁場発生用コイル
US4506247A (en) * 1984-05-23 1985-03-19 General Electric Company Axisymmetric correction coil system for NMR magnets
US4574261A (en) * 1985-08-23 1986-03-04 Varian Associates, Inc. Bakeable electromagnets

Also Published As

Publication number Publication date
KR870003522A (ko) 1987-04-18
JPS62117309A (ja) 1987-05-28
US4660013A (en) 1987-04-21
CN86104000A (zh) 1987-04-01
JPH0317366B2 (cg-RX-API-DMAC7.html) 1991-03-07

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Patent event date: 19860922

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