KR900000844B1 - 핵자기 공명 영상용 차폐 경도 코일 - Google Patents

핵자기 공명 영상용 차폐 경도 코일 Download PDF

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Publication number
KR900000844B1
KR900000844B1 KR1019870000914A KR870000914A KR900000844B1 KR 900000844 B1 KR900000844 B1 KR 900000844B1 KR 1019870000914 A KR1019870000914 A KR 1019870000914A KR 870000914 A KR870000914 A KR 870000914A KR 900000844 B1 KR900000844 B1 KR 900000844B1
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KR
South Korea
Prior art keywords
coil
hardness
magnetic field
coils
cylinder
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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
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KR1019870000914A
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English (en)
Korean (ko)
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KR870007686A (ko
Inventor
버나드 로머 피터
스미스 히키 죤
Original Assignee
제너럴 일렉트릭 캄파니
아더 엠.킹
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Publication of KR870007686A publication Critical patent/KR870007686A/ko
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Publication of KR900000844B1 publication Critical patent/KR900000844B1/ko
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • 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
    • G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field 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
    • G01R33/42—Screening
    • G01R33/421—Screening of main or gradient magnetic field
    • G01R33/4215—Screening of main or gradient magnetic field of the gradient magnetic field, e.g. using passive or active shielding of the gradient magnetic field

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
KR1019870000914A 1986-02-06 1987-02-05 핵자기 공명 영상용 차폐 경도 코일 Expired KR900000844B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US06/826,650 US4737716A (en) 1986-02-06 1986-02-06 Self-shielded gradient coils for nuclear magnetic resonance imaging
US826,650 1986-02-06
US826.650 1986-02-06

Publications (2)

Publication Number Publication Date
KR870007686A KR870007686A (ko) 1987-09-21
KR900000844B1 true KR900000844B1 (ko) 1990-02-17

Family

ID=25247175

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870000914A Expired KR900000844B1 (ko) 1986-02-06 1987-02-05 핵자기 공명 영상용 차폐 경도 코일

Country Status (7)

Country Link
US (1) US4737716A (https=)
EP (2) EP0749017A1 (https=)
JP (1) JPH07114765B2 (https=)
KR (1) KR900000844B1 (https=)
DE (1) DE3752332T2 (https=)
FI (1) FI95624C (https=)
IL (1) IL80813A (https=)

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US5581185A (en) * 1994-03-15 1996-12-03 Picker International, Inc. Torque-balanced gradient coils for magnetic resonance imaging
US5485087A (en) * 1994-08-05 1996-01-16 Picker International, Inc. Magnetic resonance insert gradient coils with parabolic returns for improved access
US5655533A (en) * 1994-06-30 1997-08-12 Picker International, Inc. Actively shielded orthogonal gradient coils for wrist imaging
US5635839A (en) * 1994-11-04 1997-06-03 Picker International, Inc. High order passive shimming assembly for MRI magnets
US5532597A (en) * 1994-11-04 1996-07-02 Picker International, Inc. Passive shimming technique for MRI magnets
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US5550472A (en) * 1995-04-13 1996-08-27 Picker International, Inc. Combined radio frequency coil with integral magnetic field shim set
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US7482809B1 (en) * 2007-07-18 2009-01-27 Hitachi Medical Systems America, Inc. Method of optimized gradient coil design
US8523429B2 (en) * 2009-10-19 2013-09-03 Tsi Technologies Llc Eddy current thermometer
US9389291B2 (en) * 2009-11-27 2016-07-12 Hitachi Medical Corporation Gradient coil, magnetic resonance imaging device, and method for designing coil pattern
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TWI710782B (zh) 2015-04-13 2020-11-21 美商超精細研究股份有限公司 用於對操作磁共振成像系統之至少一梯度線圈提供電力之裝置及方法以及磁共振成像系統
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Also Published As

Publication number Publication date
FI870009L (fi) 1987-08-07
KR870007686A (ko) 1987-09-21
EP0749017A1 (en) 1996-12-18
JPS62194842A (ja) 1987-08-27
FI95624B (fi) 1995-11-15
IL80813A0 (en) 1987-02-27
FI95624C (fi) 1996-02-26
DE3752332T2 (de) 2002-04-18
FI870009A0 (fi) 1987-01-02
DE3752332D1 (de) 2001-07-05
EP0231879A3 (en) 1987-10-21
US4737716B1 (https=) 1989-01-24
EP0231879A2 (en) 1987-08-12
IL80813A (en) 1991-11-21
JPH07114765B2 (ja) 1995-12-13
US4737716A (en) 1988-04-12
EP0231879B1 (en) 2001-05-30

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