JP4110950B2 - 磁気シールド装置及び生体磁場計測装置 - Google Patents

磁気シールド装置及び生体磁場計測装置 Download PDF

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Publication number
JP4110950B2
JP4110950B2 JP2002346775A JP2002346775A JP4110950B2 JP 4110950 B2 JP4110950 B2 JP 4110950B2 JP 2002346775 A JP2002346775 A JP 2002346775A JP 2002346775 A JP2002346775 A JP 2002346775A JP 4110950 B2 JP4110950 B2 JP 4110950B2
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Japan
Prior art keywords
magnetic shield
cylindrical body
central axis
superconducting closed
closed loops
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Japanese (ja)
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JP2004177363A5 (enExample
JP2004177363A (ja
Inventor
悠介 関
大介 鈴木
邦臣 緒方
啓二 塚田
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Hitachi Ltd
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Hitachi Ltd
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Priority to JP2002346775A priority Critical patent/JP4110950B2/ja
Priority to US10/704,743 priority patent/US7432705B2/en
Publication of JP2004177363A publication Critical patent/JP2004177363A/ja
Publication of JP2004177363A5 publication Critical patent/JP2004177363A5/ja
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/242—Detecting biomagnetic fields, e.g. magnetic fields produced by bioelectric currents
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/025—Compensating stray fields
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S505/00—Superconductor technology: apparatus, material, process
    • Y10S505/825—Apparatus per se, device per se, or process of making or operating same
    • Y10S505/842—Measuring and testing
    • Y10S505/843—Electrical
    • Y10S505/845—Magnetometer
    • Y10S505/846—Magnetometer using superconductive quantum interference device, i.e. squid

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  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Molecular Biology (AREA)
  • General Physics & Mathematics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Measuring Magnetic Variables (AREA)
  • Containers, Films, And Cooling For Superconductive Devices (AREA)
JP2002346775A 2002-11-29 2002-11-29 磁気シールド装置及び生体磁場計測装置 Expired - Fee Related JP4110950B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2002346775A JP4110950B2 (ja) 2002-11-29 2002-11-29 磁気シールド装置及び生体磁場計測装置
US10/704,743 US7432705B2 (en) 2002-11-29 2003-11-12 Magnetic shields and instruments for measuring biomagnetic fields

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002346775A JP4110950B2 (ja) 2002-11-29 2002-11-29 磁気シールド装置及び生体磁場計測装置

Publications (3)

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JP2004177363A JP2004177363A (ja) 2004-06-24
JP2004177363A5 JP2004177363A5 (enExample) 2005-07-14
JP4110950B2 true JP4110950B2 (ja) 2008-07-02

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US (1) US7432705B2 (enExample)
JP (1) JP4110950B2 (enExample)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10225518B4 (de) * 2002-06-10 2004-07-08 Rayonex Schwingungstechnik Gmbh Verfahren und Vorrichtung zur Steuerung und Positionsbestimmung eines Instruments oder Gerätes
EP1591062B1 (en) * 2003-01-29 2014-04-23 National Institute of Information and Communications Technology, Incorporated Administrative Agency Magnetoencephalography device
JP4596868B2 (ja) * 2004-09-10 2010-12-15 株式会社日立ハイテクノロジーズ 生体磁場計測装置
EP1829476B1 (en) * 2004-12-20 2013-02-13 National Institute of Information and Communications Technology Measuring structure of superconducting magnetic shield brain field measuring equipment
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
JP4671770B2 (ja) 2005-06-10 2011-04-20 株式会社日立ハイテクノロジーズ 磁場計測装置
WO2007058864A1 (en) * 2005-11-10 2007-05-24 Bj Services Company Self centralizing non-rotational slip and cone system for downhole tools
WO2009052635A1 (en) * 2007-10-22 2009-04-30 D-Wave Systems Inc. Systems, methods, and apparatus for superconducting magnetic shielding
UA102163C2 (ru) * 2012-02-02 2013-06-10 Владимир Николаевич Сосницкий Устройство для компенсации электромагнитных помех при измерениях биомагнитных сигналов
JP7393947B2 (ja) 2017-05-22 2023-12-07 ジェネテシス エルエルシー 生体電磁界における異常の機械識別
US11134877B2 (en) * 2017-08-09 2021-10-05 Genetesis, Inc. Biomagnetic detection
US12262997B2 (en) 2017-08-09 2025-04-01 Genetesis, Inc. Biomagnetic detection
JP6887927B2 (ja) * 2017-09-21 2021-06-16 株式会社日立ハイテク 生体磁気計測装置
CN109589108A (zh) * 2018-12-05 2019-04-09 北京昆迈生物医学研究院有限公司 一种基于原子磁强计的心磁图系统及方法
US11585869B2 (en) * 2019-02-08 2023-02-21 Genetesis, Inc. Biomagnetic field sensor systems and methods for diagnostic evaluation of cardiac conditions
EP4070392A4 (en) 2019-12-05 2024-01-03 D-Wave Systems Inc. Systems and methods for fabricating superconducting integrated circuits
CN116157055A (zh) 2020-05-27 2023-05-23 吉尼泰西斯公司 使用磁场图检测冠状动脉疾病的系统和设备
CN111624537B (zh) * 2020-07-22 2022-11-04 北京航空航天大学杭州创新研究院 一种生物细胞物理特性测试装置及其测试方法
CA3209292A1 (en) * 2021-02-22 2022-08-25 Genetesis, Inc. Biomagnetic field sensor systems and methods for diagnostic evaluation of cardiac conditions

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63229037A (ja) * 1987-03-18 1988-09-22 Mitsubishi Electric Corp 核磁気共鳴装置
JPH0744105B2 (ja) * 1988-01-22 1995-05-15 三菱電機株式会社 電磁石
JP2643384B2 (ja) * 1988-02-03 1997-08-20 富士電機株式会社 超電導マグネット
JPH04235369A (ja) 1991-01-11 1992-08-24 Fujitsu Ltd スクイド磁束計
JPH05267889A (ja) 1992-03-23 1993-10-15 Koatsu Gas Kogyo Co Ltd センサー用磁気シールド体
JP3021970B2 (ja) 1992-06-11 2000-03-15 株式会社日立製作所 機能性超伝導磁気シールドおよびこれを用いる磁束計
US5487304A (en) * 1993-08-17 1996-01-30 Kearfott Guidance And Navigation Corporation Superconducting dual junction gyroscope apparatus
JP2811410B2 (ja) 1994-02-09 1998-10-15 理化学研究所 磁気遮蔽容器、磁界検出コイル及び磁気遮蔽装置
JPH07289530A (ja) 1994-04-27 1995-11-07 Furukawa Electric Co Ltd:The 生体磁気計測装置
US5517169A (en) * 1994-10-17 1996-05-14 General Electric Company Superconducting magnet with magnetic shielding
JP3474659B2 (ja) 1995-01-23 2003-12-08 新日本製鐵株式会社 磁界発生源の超電導磁気シールド体
JP2000077890A (ja) 1998-08-27 2000-03-14 Hitachi Ltd 磁気シールドルーム
JP3454246B2 (ja) 2000-10-30 2003-10-06 株式会社日立製作所 磁場計測装置
JP3454255B2 (ja) 2001-03-26 2003-10-06 株式会社日立製作所 磁場遮蔽装置
JP2003339659A (ja) * 2002-05-23 2003-12-02 Hitachi Ltd 超電導磁気シールド装置

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JP2004177363A (ja) 2004-06-24
US20040106863A1 (en) 2004-06-03
US7432705B2 (en) 2008-10-07

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