JPS60376A - 核磁気共鳴イメ−ジング装置におけるｒｆコイル装置 - Google Patents
核磁気共鳴イメ−ジング装置におけるｒｆコイル装置Info
- Publication number
- JPS60376A JPS60376A JP58107444A JP10744483A JPS60376A JP S60376 A JPS60376 A JP S60376A JP 58107444 A JP58107444 A JP 58107444A JP 10744483 A JP10744483 A JP 10744483A JP S60376 A JPS60376 A JP S60376A
- Authority
- JP
- Japan
- Prior art keywords
- subject
- outputs
- coil
- magnetic field
- coils
- 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.)
- Granted
Links
- 238000013421 nuclear magnetic resonance imaging Methods 0.000 title claims 4
- 230000004044 response Effects 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims description 22
- 230000005284 excitation Effects 0.000 claims description 10
- 230000003068 static effect Effects 0.000 abstract description 6
- 238000005303 weighing Methods 0.000 abstract 2
- 230000002194 synthesizing effect Effects 0.000 abstract 1
- 238000005481 NMR spectroscopy Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 238000003384 imaging method Methods 0.000 description 7
- 230000005415 magnetization Effects 0.000 description 4
- 239000000523 sample Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 210000004709 eyebrow Anatomy 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
- G01R33/3678—Electrical details, e.g. matching or coupling of the coil to the receiver involving quadrature drive or detection, e.g. a circularly polarized RF magnetic 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
- G01R33/28—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
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58107444A JPS60376A (ja) | 1983-06-15 | 1983-06-15 | 核磁気共鳴イメ−ジング装置におけるｒｆコイル装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58107444A JPS60376A (ja) | 1983-06-15 | 1983-06-15 | 核磁気共鳴イメ−ジング装置におけるｒｆコイル装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60376A true JPS60376A (ja) | 1985-01-05 |
| JPH0261252B2 JPH0261252B2 (enrdf_load_stackoverflow) | 1990-12-19 |
Family
ID=14459301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58107444A Granted JPS60376A (ja) | 1983-06-15 | 1983-06-15 | 核磁気共鳴イメ−ジング装置におけるｒｆコイル装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60376A (enrdf_load_stackoverflow) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6192660A (ja) * | 1984-10-15 | 1986-05-10 | 株式会社東芝 | 磁気共鳴イメ−ジング装置 |
| WO1987006712A1 (en) * | 1986-04-21 | 1987-11-05 | The Board Of Trustees Of The Leland Stanford Junio | Reduced noise nmr localization system |
| JPS6321049A (ja) * | 1986-07-15 | 1988-01-28 | 工業技術院長 | 核磁気共鳴現象を用いた脳機能計測装置 |
| JPS63203147A (ja) * | 1987-02-20 | 1988-08-23 | 株式会社東芝 | 磁気共鳴イメ−ジング装置 |
| JPS6417636A (en) * | 1987-07-14 | 1989-01-20 | Hitachi Medical Corp | Nuclear magnetic resonance imaging apparatus |
| US4812753A (en) * | 1986-11-07 | 1989-03-14 | U.S. Philips Corp. | Method and arrangement for determining a corrected MRI surface coil image |
| WO1989012422A1 (en) * | 1988-06-17 | 1989-12-28 | Otsuka Electronics Co., Ltd. | Method and apparatus for nmr measurement of living tissue |
| EP0407579B1 (en) * | 1988-02-15 | 1996-08-28 | Yokogawa Medical Systems, Ltd | Magnetic resonance imaging device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5397894A (en) * | 1977-02-08 | 1978-08-26 | Jeol Ltd | High frequency circuit for nuclear magnetism resonance device |
| JPS56132551A (en) * | 1980-02-05 | 1981-10-16 | Thomson Csf | Electromagnetic coil system and nmr imaging device using thereof |
-
1983
- 1983-06-15 JP JP58107444A patent/JPS60376A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5397894A (en) * | 1977-02-08 | 1978-08-26 | Jeol Ltd | High frequency circuit for nuclear magnetism resonance device |
| JPS56132551A (en) * | 1980-02-05 | 1981-10-16 | Thomson Csf | Electromagnetic coil system and nmr imaging device using thereof |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6192660A (ja) * | 1984-10-15 | 1986-05-10 | 株式会社東芝 | 磁気共鳴イメ−ジング装置 |
| WO1987006712A1 (en) * | 1986-04-21 | 1987-11-05 | The Board Of Trustees Of The Leland Stanford Junio | Reduced noise nmr localization system |
| 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 |
| JPS6321049A (ja) * | 1986-07-15 | 1988-01-28 | 工業技術院長 | 核磁気共鳴現象を用いた脳機能計測装置 |
| US4812753A (en) * | 1986-11-07 | 1989-03-14 | U.S. Philips Corp. | Method and arrangement for determining a corrected MRI surface coil image |
| JPS63203147A (ja) * | 1987-02-20 | 1988-08-23 | 株式会社東芝 | 磁気共鳴イメ−ジング装置 |
| JPS6417636A (en) * | 1987-07-14 | 1989-01-20 | Hitachi Medical Corp | Nuclear magnetic resonance imaging apparatus |
| EP0407579B1 (en) * | 1988-02-15 | 1996-08-28 | Yokogawa Medical Systems, Ltd | Magnetic resonance imaging device |
| WO1989012422A1 (en) * | 1988-06-17 | 1989-12-28 | Otsuka Electronics Co., Ltd. | Method and apparatus for nmr measurement of living tissue |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0261252B2 (enrdf_load_stackoverflow) | 1990-12-19 |
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