JPH0421488B2 - - Google Patents
Info
- Publication number
- JPH0421488B2 JPH0421488B2 JP59225293A JP22529384A JPH0421488B2 JP H0421488 B2 JPH0421488 B2 JP H0421488B2 JP 59225293 A JP59225293 A JP 59225293A JP 22529384 A JP22529384 A JP 22529384A JP H0421488 B2 JPH0421488 B2 JP H0421488B2
- Authority
- JP
- Japan
- Prior art keywords
- pulse
- magnetic field
- gradient magnetic
- application
- applying
- 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 - Lifetime
Links
- 238000005481 NMR spectroscopy Methods 0.000 claims description 49
- 238000000034 method Methods 0.000 claims description 19
- 230000005284 excitation Effects 0.000 claims description 12
- 238000003384 imaging method Methods 0.000 claims description 11
- 230000003068 static effect Effects 0.000 claims description 10
- 230000009466 transformation Effects 0.000 claims description 3
- 230000005415 magnetization Effects 0.000 description 17
- 238000010586 diagram Methods 0.000 description 12
- 238000001514 detection method Methods 0.000 description 9
- 238000007689 inspection Methods 0.000 description 5
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 5
- 238000002075 inversion recovery Methods 0.000 description 4
- 238000012935 Averaging Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 238000003745 diagnosis Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- QCVGEOXPDFCNHA-UHFFFAOYSA-N 5,5-dimethyl-2,4-dioxo-1,3-oxazolidine-3-carboxamide Chemical compound CC1(C)OC(=O)N(C(N)=O)C1=O QCVGEOXPDFCNHA-UHFFFAOYSA-N 0.000 description 1
- 102000002322 Egg Proteins Human genes 0.000 description 1
- 108010000912 Egg Proteins Proteins 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 101710162453 Replication factor A Proteins 0.000 description 1
- 102100035729 Replication protein A 70 kDa DNA-binding subunit Human genes 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 235000014103 egg white Nutrition 0.000 description 1
- 210000000969 egg white Anatomy 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013598 vector Substances 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
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
- G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
- G01R33/561—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reduction of the scanning time, i.e. fast acquiring systems, e.g. using echo-planar pulse sequences
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- High Energy & Nuclear Physics (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 |
|---|---|---|---|
| JP59225293A JPS60166848A (ja) | 1984-10-26 | 1984-10-26 | Ｎｍｒ画像装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59225293A JPS60166848A (ja) | 1984-10-26 | 1984-10-26 | Ｎｍｒ画像装置 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58190581A Division JPS6082841A (ja) | 1983-10-12 | 1983-10-12 | 核磁気共鳴による検査装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60166848A JPS60166848A (ja) | 1985-08-30 |
| JPH0421488B2 true JPH0421488B2 (de) | 1992-04-10 |
Family
ID=16827059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59225293A Granted JPS60166848A (ja) | 1984-10-26 | 1984-10-26 | Ｎｍｒ画像装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60166848A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5121219B2 (ja) * | 2006-12-07 | 2013-01-16 | ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー | 磁気共鳴イメージング装置および磁気共鳴イメージング方法 |
-
1984
- 1984-10-26 JP JP59225293A patent/JPS60166848A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60166848A (ja) | 1985-08-30 |
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