JPS63132643A - Ｍｒｉ装置及びその調整方法 - Google Patents
Ｍｒｉ装置及びその調整方法Info
- Publication number
- JPS63132643A JPS63132643A JP62214949A JP21494987A JPS63132643A JP S63132643 A JPS63132643 A JP S63132643A JP 62214949 A JP62214949 A JP 62214949A JP 21494987 A JP21494987 A JP 21494987A JP S63132643 A JPS63132643 A JP S63132643A
- Authority
- JP
- Japan
- Prior art keywords
- mri
- magnetic field
- loop
- coil
- decoupling
- 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
- 238000000034 method Methods 0.000 title claims description 14
- 238000003384 imaging method Methods 0.000 claims description 18
- 230000004044 response Effects 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 239000004020 conductor Substances 0.000 claims description 7
- 239000003990 capacitor Substances 0.000 claims description 5
- 230000003068 static effect Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000002595 magnetic resonance imaging Methods 0.000 description 23
- 238000005481 NMR spectroscopy Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000005003 heart tissue Anatomy 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 230000008775 paternal effect Effects 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 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
- G01R33/42—Screening
- G01R33/422—Screening of the radio frequency field
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US901596 | 1986-08-29 | ||
| US06/901,596 US4703272A (en) | 1986-08-29 | 1986-08-29 | Apparatus and method for decoupling MRI RF coil from selected body portions using passive components |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63132643A true JPS63132643A (ja) | 1988-06-04 |
| JPH0528136B2 JPH0528136B2 (OSRAM) | 1993-04-23 |
Family
ID=25414489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62214949A Granted JPS63132643A (ja) | 1986-08-29 | 1987-08-28 | Ｍｒｉ装置及びその調整方法 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4703272A (OSRAM) |
| JP (1) | JPS63132643A (OSRAM) |
| DE (1) | DE3724962A1 (OSRAM) |
| GB (1) | GB2194342B (OSRAM) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63161947A (ja) * | 1986-12-26 | 1988-07-05 | 株式会社日立メディコ | 核磁気共鳴を用いた検査装置 |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4851777A (en) * | 1986-04-21 | 1989-07-25 | Stanford University | Reduced noise NMR localization system |
| DE3730148A1 (de) * | 1987-09-09 | 1989-03-30 | Bruker Medizintech | Verfahren zum erzeugen von spin-echo-impulsfolgen mit einem kernspin-tomographen und zur durchfuehrung des verfahrens ausgebildeter kernspin-tomograph |
| NL8900990A (nl) * | 1989-04-20 | 1990-11-16 | Philips Nv | Werkwijze voor het bepalen van een kernmagnetisatieverdeling van een deelvolume van een object, werkwijze voor het homogeniseren van een deel van een stationair veld waarin het object zich bevindt, en magnetische resonantieinrichting voor het uitvoeren van een dergelijke werkwijze. |
| US5396905A (en) * | 1994-03-29 | 1995-03-14 | General Electric Company | Surgical drape with integral MRI coil |
| WO2007117604A2 (en) * | 2006-04-07 | 2007-10-18 | The Government Of The United States Of America, Represented By The Secretary, Department Of Health And Human Services | Inductive decoupling of an rf coil array |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62207448A (ja) * | 1986-03-10 | 1987-09-11 | 株式会社 日立メデイコ | 核磁気共鳴イメ−ジング装置の被検体用遮へい部材 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1566148C3 (de) * | 1967-03-10 | 1975-06-05 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Elektromagnetische Hochfrequenzspule für Diagnostikeinrichtungen |
| JPS49103693A (OSRAM) * | 1973-02-02 | 1974-10-01 | ||
| US4374360A (en) * | 1980-05-29 | 1983-02-15 | Sepponen Raimo E | NMR Diagnosis apparatus |
| FI65365C (fi) * | 1982-07-07 | 1984-05-10 | Instrumentarium Oy | Spolanordning |
| DE3429386A1 (de) * | 1984-08-09 | 1986-02-27 | Siemens AG, 1000 Berlin und 8000 München | Kernspintomographiegeraet |
-
1986
- 1986-08-29 US US06/901,596 patent/US4703272A/en not_active Expired - Lifetime
-
1987
- 1987-07-16 GB GB8716756A patent/GB2194342B/en not_active Expired - Lifetime
- 1987-07-28 DE DE19873724962 patent/DE3724962A1/de not_active Withdrawn
- 1987-08-28 JP JP62214949A patent/JPS63132643A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62207448A (ja) * | 1986-03-10 | 1987-09-11 | 株式会社 日立メデイコ | 核磁気共鳴イメ−ジング装置の被検体用遮へい部材 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63161947A (ja) * | 1986-12-26 | 1988-07-05 | 株式会社日立メディコ | 核磁気共鳴を用いた検査装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| US4703272A (en) | 1987-10-27 |
| GB2194342B (en) | 1990-07-11 |
| GB2194342A (en) | 1988-03-02 |
| JPH0528136B2 (OSRAM) | 1993-04-23 |
| GB8716756D0 (en) | 1987-08-19 |
| DE3724962A1 (de) | 1988-03-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5144243A (en) | RF coil system for use in magnetic resonance imaging apparatus | |
| US5500596A (en) | Local coil array for magnetic resonance imaging of the lower extremities | |
| EP0759560A1 (en) | A magnetic resonance imaging method and apparatus | |
| EP0152069B1 (en) | Magnetic resonance imaging system | |
| JP3983170B2 (ja) | 垂直磁場のｍｒｉ装置においてサブサンプリングを用いてｍｒｉ画像を取得する方法 | |
| JP3411631B2 (ja) | Ｒｆプローブ及び磁気共鳴イメージング装置 | |
| JPH09289981A (ja) | 磁気共鳴イメージング装置用ｒｆプローブ | |
| EP0388451A1 (en) | SURFACE QUADRATURE DEPHASING COILS FOR MAGNETIC RESONANCE IMAGING. | |
| JPH06121779A (ja) | 磁気共鳴イメージング装置 | |
| JPH0614901A (ja) | 磁気共鳴イメージング装置 | |
| JPH11342121A (ja) | 磁気共鳴像形成システム用シムコイル | |
| US4866387A (en) | NMR detector network | |
| JPS63309248A (ja) | Ｍｒｉ用表面コイル装置 | |
| JP2002119495A (ja) | Ｒｆコイルアセンブリ | |
| JPS63132643A (ja) | Ｍｒｉ装置及びその調整方法 | |
| JP3164377B2 (ja) | 磁気共鳴画像装置 | |
| US5933007A (en) | MR device for determining a nuclear magnetization distribution by means of a surface coil system | |
| US6492810B1 (en) | Anti-aliasing magnetic resonance device which reduces aliasing from regions outside of the excitation volume | |
| Van Genderingen et al. | Carbon-fiber electrodes and leads for electrocardiography during MR imaging. | |
| JP3135592B2 (ja) | 磁気共鳴映像装置 | |
| JP2001128956A (ja) | 磁気共鳴映像装置 | |
| JP3137366B2 (ja) | 磁気共鳴イメージング装置 | |
| Doornbos et al. | Application of anatomically shaped surface coils in MRI at 0.5 T | |
| EP0922965A1 (en) | A magnetic resonance r.f. coil arrangement | |
| JP3547520B2 (ja) | 磁気共鳴イメージング装置 |