JP3747981B2 - 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 Download PDFInfo
- Publication number
- JP3747981B2 JP3747981B2 JP18743697A JP18743697A JP3747981B2 JP 3747981 B2 JP3747981 B2 JP 3747981B2 JP 18743697 A JP18743697 A JP 18743697A JP 18743697 A JP18743697 A JP 18743697A JP 3747981 B2 JP3747981 B2 JP 3747981B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic field
- coil
- shield
- gradient
- gradient magnetic
- 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 - Fee Related
Links
- 238000002595 magnetic resonance imaging Methods 0.000 title claims description 51
- 230000003068 static effect Effects 0.000 claims description 72
- 230000001678 irradiating effect Effects 0.000 claims description 4
- 238000005259 measurement Methods 0.000 description 19
- 238000001816 cooling Methods 0.000 description 12
- 239000004020 conductor Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 6
- 229910052734 helium Inorganic materials 0.000 description 5
- 239000001307 helium Substances 0.000 description 5
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002887 superconductor Substances 0.000 description 1
Images
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- Magnetic Resonance Imaging Apparatus (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18743697A JP3747981B2 (ja) | 1997-06-27 | 1997-06-27 | 磁気共鳴イメージング装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18743697A JP3747981B2 (ja) | 1997-06-27 | 1997-06-27 | 磁気共鳴イメージング装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPH119572A JPH119572A (ja) | 1999-01-19 |
| JPH119572A5 JPH119572A5 (enExample) | 2005-04-07 |
| JP3747981B2 true JP3747981B2 (ja) | 2006-02-22 |
Family
ID=16206036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18743697A Expired - Fee Related JP3747981B2 (ja) | 1997-06-27 | 1997-06-27 | 磁気共鳴イメージング装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3747981B2 (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6522144B2 (en) * | 2000-12-22 | 2003-02-18 | Ge Medical Systems Global Technology Company, Llc | RF shielding method and apparatus for an open MRI system |
| US6498947B2 (en) * | 2001-02-23 | 2002-12-24 | Ge Medical Systems Global Technology Company, Llc | rf shielding method and apparatus |
| JP2002260255A (ja) | 2001-02-28 | 2002-09-13 | Sony Corp | 対物レンズ駆動装置及び光学ピックアップ装置 |
| DE10352381B4 (de) * | 2003-11-10 | 2009-07-30 | Siemens Ag | Erzeuger zeitvariabler Magnetfelder eines Magnetresonanzgeräts und Magnetresonanzgerät mit dem Erzeuger |
| JP4639763B2 (ja) * | 2004-11-12 | 2011-02-23 | 三菱電機株式会社 | 磁気共鳴イメージング装置 |
| US20100073000A1 (en) * | 2008-09-22 | 2010-03-25 | Insight Neuroimaging Systems, Llc | Radio frequency coil apparatus and methods |
-
1997
- 1997-06-27 JP JP18743697A patent/JP3747981B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH119572A (ja) | 1999-01-19 |
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