JP2002263080A - 磁気共鳴イメージング装置 - Google Patents
磁気共鳴イメージング装置Info
- Publication number
- JP2002263080A JP2002263080A JP2001067151A JP2001067151A JP2002263080A JP 2002263080 A JP2002263080 A JP 2002263080A JP 2001067151 A JP2001067151 A JP 2001067151A JP 2001067151 A JP2001067151 A JP 2001067151A JP 2002263080 A JP2002263080 A JP 2002263080A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic field
- coil
- magnet
- magnetic
- shield
- 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.)
- Pending
Links
- 238000002595 magnetic resonance imaging Methods 0.000 title claims description 31
- 230000005291 magnetic effect Effects 0.000 claims abstract description 160
- 230000003068 static effect Effects 0.000 claims abstract description 27
- 230000004907 flux Effects 0.000 claims abstract description 25
- 238000005481 NMR spectroscopy Methods 0.000 claims description 11
- 239000003302 ferromagnetic material Substances 0.000 claims description 8
- 230000005684 electric field Effects 0.000 claims description 5
- 230000009467 reduction Effects 0.000 claims description 3
- 229910000976 Electrical steel Inorganic materials 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- 230000004304 visual acuity Effects 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 16
- 238000009434 installation Methods 0.000 description 11
- 230000003321 amplification Effects 0.000 description 7
- 238000003199 nucleic acid amplification method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 206010040007 Sense of oppression Diseases 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000000747 cardiac effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002594 fluoroscopy Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000013152 interventional procedure Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Landscapes
- Magnetic Resonance Imaging Apparatus (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001067151A JP2002263080A (ja) | 2001-03-09 | 2001-03-09 | 磁気共鳴イメージング装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001067151A JP2002263080A (ja) | 2001-03-09 | 2001-03-09 | 磁気共鳴イメージング装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002263080A true JP2002263080A (ja) | 2002-09-17 |
| JP2002263080A5 JP2002263080A5 (enExample) | 2005-06-30 |
Family
ID=18925544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001067151A Pending JP2002263080A (ja) | 2001-03-09 | 2001-03-09 | 磁気共鳴イメージング装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002263080A (enExample) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005043181A1 (en) * | 2003-10-29 | 2005-05-12 | Koninklijke Philips Electronics N.V. | Shielded treatment room and device suitable for recording images on the basis of magnetic resonance |
| JP2008125589A (ja) * | 2006-11-17 | 2008-06-05 | Hitachi Ltd | 超伝導磁石装置および磁気共鳴イメージング装置 |
| JP2009183587A (ja) * | 2008-02-08 | 2009-08-20 | Hitachi Medical Corp | 磁気共鳴イメージング装置 |
-
2001
- 2001-03-09 JP JP2001067151A patent/JP2002263080A/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005043181A1 (en) * | 2003-10-29 | 2005-05-12 | Koninklijke Philips Electronics N.V. | Shielded treatment room and device suitable for recording images on the basis of magnetic resonance |
| US7304476B2 (en) | 2003-10-29 | 2007-12-04 | Koninklijke Philips Electronics N.V. | Shielded treatment room and device suitable for recording images on the basis of magnetic resonance |
| JP2008125589A (ja) * | 2006-11-17 | 2008-06-05 | Hitachi Ltd | 超伝導磁石装置および磁気共鳴イメージング装置 |
| JP2009183587A (ja) * | 2008-02-08 | 2009-08-20 | Hitachi Medical Corp | 磁気共鳴イメージング装置 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20041012 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20041012 |
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| A977 | Report on retrieval |
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| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20060904 |
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| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20061101 |
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| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20070611 |