JPS61146754U - - Google Patents
Info
- Publication number
- JPS61146754U JPS61146754U JP2994385U JP2994385U JPS61146754U JP S61146754 U JPS61146754 U JP S61146754U JP 2994385 U JP2994385 U JP 2994385U JP 2994385 U JP2994385 U JP 2994385U JP S61146754 U JPS61146754 U JP S61146754U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- insertion port
- fixing member
- magnetic yoke
- coil plate
- 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
- 230000037431 insertion Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 2
- 238000005481 NMR spectroscopy Methods 0.000 claims 1
- 238000003384 imaging method Methods 0.000 claims 1
- 239000000696 magnetic material Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Magnetic Resonance Imaging Apparatus (AREA)
Description
第１図〜第４図はいずれも本考案の一実施例を
示し、第１図は縦断面図、第２図及び第３図は要
部平面図、第４図は外観斜視図である。
１……静磁場発生装置、２……永久磁石、３，
４，５……ヨーク、１０……サイドリング（固定
部）、１２……シムコイル板、１４……グラデイ
エントコイル板、１９……螺子、２０……コイル
挿入口。
FIGS. 1 to 4 all show an embodiment of the present invention, with FIG. 1 being a longitudinal sectional view, FIGS. 2 and 3 being a plan view of essential parts, and FIG. 4 being an external perspective view. 1...Static magnetic field generator, 2...Permanent magnet, 3,
4, 5...Yoke, 10...Side ring (fixed part), 12...Shim coil plate, 14...Gradient coil plate, 19...Screw, 20...Coil insertion port.
Claims (1)
磁石及び該磁石を磁気的に結合すると共に内部に
略密閉空間を形成し側面に挿入口を形成した磁気
ヨークとから構成される静磁場発生装置を備える
ものにおいて、前記永久磁石をその周縁部にて磁
気ヨーク内面に固着する非磁性体製固定部材と、
前記挿入口から磁気ヨーク内に挿入され前記固定
部材に非磁性体製螺子により共締めされて重合固
定される互いに別体のシスコイル板及びグラデイ
エントコイル板とを有することを特徴とする核磁
気共鳴撮像装置。 A static magnetic field generating device consisting of a pair of permanent magnets that are arranged opposite to each other with a gap between them, and a magnetic yoke that magnetically couples the magnets, forms a substantially sealed space inside, and has an insertion port formed on the side surface. A fixing member made of a non-magnetic material that fixes the permanent magnet to the inner surface of the magnetic yoke at its peripheral edge;
Nuclear magnetic resonance characterized by having a mutually separate cis-coil plate and gradient coil plate which are inserted into the magnetic yoke from the insertion port and are fastened together with non-magnetic screws to be superimposed and fixed to the fixing member. Imaging device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2994385U JPH03966Y2 (en) | 1985-03-01 | 1985-03-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2994385U JPH03966Y2 (en) | 1985-03-01 | 1985-03-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61146754U true JPS61146754U (en) | 1986-09-10 |
| JPH03966Y2 JPH03966Y2 (en) | 1991-01-14 |
Family
ID=30529196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2994385U Expired JPH03966Y2 (en) | 1985-03-01 | 1985-03-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03966Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63177506A (en) * | 1986-12-03 | 1988-07-21 | ゼネラル・エレクトリック・カンパニイ | Method and apparatus for passive shimming operation of magnet |
| WO1998042256A1 (en) * | 1997-03-25 | 1998-10-01 | Hitachi Medical Corporation | Magnetic resonance inspector |
-
1985
- 1985-03-01 JP JP2994385U patent/JPH03966Y2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63177506A (en) * | 1986-12-03 | 1988-07-21 | ゼネラル・エレクトリック・カンパニイ | Method and apparatus for passive shimming operation of magnet |
| WO1998042256A1 (en) * | 1997-03-25 | 1998-10-01 | Hitachi Medical Corporation | Magnetic resonance inspector |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03966Y2 (en) | 1991-01-14 |
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