JP5253926B2 - 脳磁計 - Google Patents
脳磁計 Download PDFInfo
- Publication number
- JP5253926B2 JP5253926B2 JP2008214134A JP2008214134A JP5253926B2 JP 5253926 B2 JP5253926 B2 JP 5253926B2 JP 2008214134 A JP2008214134 A JP 2008214134A JP 2008214134 A JP2008214134 A JP 2008214134A JP 5253926 B2 JP5253926 B2 JP 5253926B2
- Authority
- JP
- Japan
- Prior art keywords
- squid sensor
- subject
- shield
- container
- magnetoencephalograph
- 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
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- 238000005259 measurement Methods 0.000 claims description 50
- 241000238366 Cephalopoda Species 0.000 claims description 36
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 2
- 239000000835 fiber Substances 0.000 claims description 2
- 230000005389 magnetism Effects 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 238000007740 vapor deposition Methods 0.000 claims description 2
- 210000004556 brain Anatomy 0.000 description 5
- 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 4
- 239000003507 refrigerant Substances 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000002887 superconductor Substances 0.000 description 2
- 229910004247 CaCu Inorganic materials 0.000 description 1
- 125000002066 L-histidyl group Chemical group [H]N1C([H])=NC(C([H])([H])[C@](C(=O)[*])([H])N([H])[H])=C1[H] 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 229910000416 bismuth oxide Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- TYIXMATWDRGMPF-UHFFFAOYSA-N dibismuth;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Bi+3].[Bi+3] TYIXMATWDRGMPF-UHFFFAOYSA-N 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000001537 neural effect Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Landscapes
- Measuring Magnetic Variables (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Description
Claims (1)
- 生体から発生する磁場を検出するSQUIDセンサと、
前記SQUIDセンサを底部に収納する有底筒状の容器と、
前記SQUIDセンサを収納した前記容器の外周面の周囲に設けられ、前記SQUIDセンサを外部の磁気から遮蔽するための筒状の磁気シールド体と、
前記SQUIDセンサによる生体磁場の計測位置である前記容器の底部外側に被験者の頭部が配置されるよう、前記被験者を搭載するためのステージと、
前記容器の前記底部側で前記ステージ上の空間を覆うように前記磁気シールド体に並べて設けられ、前記SQUIDセンサを外部の電磁波から遮蔽するための補助シールドと、を備え、
前記補助シールドは、導電性を有する布部材、金属繊維が編みこまれている部材、又はアルミ蒸着フィルム部材で形成され、
前記補助シールドが、前記容器の軸線方向に沿って、前記磁気シールド体に対してスライド可能であり、
前記ステージは、前記補助シールドが前記容器の前記底部側で前記磁気シールド体に並べて配置される際に、前記補助シールドの端部開口を塞ぎ、前記SQUIDセンサを外部の電磁波から遮蔽する遮蔽板を有することを特徴とする脳磁計。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008214134A JP5253926B2 (ja) | 2008-08-22 | 2008-08-22 | 脳磁計 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008214134A JP5253926B2 (ja) | 2008-08-22 | 2008-08-22 | 脳磁計 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010046342A JP2010046342A (ja) | 2010-03-04 |
JP5253926B2 true JP5253926B2 (ja) | 2013-07-31 |
Family
ID=42063956
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008214134A Expired - Fee Related JP5253926B2 (ja) | 2008-08-22 | 2008-08-22 | 脳磁計 |
Country Status (1)
Country | Link |
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JP (1) | JP5253926B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7151450B2 (ja) * | 2018-12-14 | 2022-10-12 | 株式会社リコー | 磁場シールドボックス、生体磁場計測装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63292698A (ja) * | 1987-05-26 | 1988-11-29 | Toshiba Corp | 磁石装置 |
JP2893714B2 (ja) * | 1989-05-25 | 1999-05-24 | 株式会社日立製作所 | 薄膜型squid磁束計およびこれを用いた生体磁気計測装置 |
JP2700584B2 (ja) * | 1990-02-19 | 1998-01-21 | 三井金属鉱業 株式会社 | 生体磁気計測用磁気シールド体 |
JPH03126439A (ja) * | 1989-10-12 | 1991-05-29 | Fujitsu Ltd | 生体磁気計測装置 |
JP3130618B2 (ja) * | 1991-12-09 | 2001-01-31 | 三井金属鉱業株式会社 | 超電導磁気シールド容器 |
JP4132130B2 (ja) * | 1997-05-09 | 2008-08-13 | 住友重機械工業株式会社 | 高温超伝導磁気シールド体用冷却装置 |
JP3564528B2 (ja) * | 1997-05-09 | 2004-09-15 | 独立行政法人理化学研究所 | 高温超伝導体磁気シ−ルド装置 |
JP2002353528A (ja) * | 2001-05-25 | 2002-12-06 | Furukawa Electric Co Ltd:The | 磁気シールドおよびその製造方法 |
JP4832005B2 (ja) * | 2005-06-10 | 2011-12-07 | 株式会社日立ハイテクノロジーズ | 磁場遮蔽装置及び磁場計測装置 |
-
2008
- 2008-08-22 JP JP2008214134A patent/JP5253926B2/ja not_active Expired - Fee Related
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JP2010046342A (ja) | 2010-03-04 |
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