DE69420615T2 - Verfahren und Gerät zur Messung von bioelektrischen Quellen - Google Patents

Verfahren und Gerät zur Messung von bioelektrischen Quellen

Info

Publication number
DE69420615T2
DE69420615T2 DE69420615T DE69420615T DE69420615T2 DE 69420615 T2 DE69420615 T2 DE 69420615T2 DE 69420615 T DE69420615 T DE 69420615T DE 69420615 T DE69420615 T DE 69420615T DE 69420615 T2 DE69420615 T2 DE 69420615T2
Authority
DE
Germany
Prior art keywords
measuring bioelectric
sources
bioelectric sources
measuring
bioelectric
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
Application number
DE69420615T
Other languages
English (en)
Other versions
DE69420615D1 (de
Inventor
Sadamu Tomita
Shigeki Kajihara
Yoshikazu Yoshida
Naokazu Yamaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shimadzu Corp
Original Assignee
Shimadzu Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP5160451A external-priority patent/JP2752885B2/ja
Priority claimed from JP5160450A external-priority patent/JP2752884B2/ja
Priority claimed from JP32095893A external-priority patent/JP3237359B2/ja
Priority claimed from JP32095693A external-priority patent/JP3227958B2/ja
Priority claimed from JP04722094A external-priority patent/JP3324262B2/ja
Application filed by Shimadzu Corp filed Critical Shimadzu Corp
Application granted granted Critical
Publication of DE69420615D1 publication Critical patent/DE69420615D1/de
Publication of DE69420615T2 publication Critical patent/DE69420615T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • A61B5/245—Detecting biomagnetic fields, e.g. magnetic fields produced by bioelectric currents specially adapted for magnetoencephalographic [MEG] signals
DE69420615T 1993-06-04 1994-06-03 Verfahren und Gerät zur Messung von bioelektrischen Quellen Expired - Fee Related DE69420615T2 (de)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP5160451A JP2752885B2 (ja) 1993-06-04 1993-06-04 生体活動電流源推定方法
JP5160450A JP2752884B2 (ja) 1993-06-04 1993-06-04 生体活動電流源推定方法
JP24561593 1993-09-30
JP32095893A JP3237359B2 (ja) 1993-11-26 1993-11-26 生体活動電流源推定方法
JP32095693A JP3227958B2 (ja) 1993-11-26 1993-11-26 生体活動電流源推定方法
JP04722094A JP3324262B2 (ja) 1993-09-30 1994-03-17 生体活動電流源推定方法

Publications (2)

Publication Number Publication Date
DE69420615D1 DE69420615D1 (de) 1999-10-21
DE69420615T2 true DE69420615T2 (de) 1999-12-30

Family

ID=27550256

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69420615T Expired - Fee Related DE69420615T2 (de) 1993-06-04 1994-06-03 Verfahren und Gerät zur Messung von bioelektrischen Quellen

Country Status (6)

Country Link
US (4) US5601081A (de)
EP (1) EP0627192B1 (de)
CN (2) CN1491612A (de)
CA (1) CA2125086A1 (de)
DE (1) DE69420615T2 (de)
FI (1) FI942643A (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3519141B2 (ja) * 1994-10-31 2004-04-12 株式会社東芝 生体内電流源推定方法
JP3473210B2 (ja) * 1995-08-31 2003-12-02 株式会社島津製作所 生体磁気計測装置
US5947899A (en) * 1996-08-23 1999-09-07 Physiome Sciences Computational system and method for modeling the heart
DE19808985B4 (de) * 1997-03-07 2012-06-14 Hitachi, Ltd. Verfahren und Vorrichtung zur Biomagnetfeld-Messung
US6842637B2 (en) * 1997-10-24 2005-01-11 Hitachi, Ltd. Magnetic field measurement apparatus
JP3237590B2 (ja) * 1997-10-24 2001-12-10 株式会社日立製作所 磁場計測装置
JP4208275B2 (ja) * 1997-10-30 2009-01-14 株式会社東芝 心臓内電気現象の診断装置およびその現象の表示方法
ATE209465T1 (de) 1998-01-23 2001-12-15 Ctf Systems Inc Verfahren zur messung, bestimmung und anzeige von effektivwerten der stromdichteverteilung
US6697660B1 (en) 1998-01-23 2004-02-24 Ctf Systems, Inc. Method for functional brain imaging from magnetoencephalographic data by estimation of source signal-to-noise ratio
WO2000010454A1 (en) * 1998-08-24 2000-03-02 Ctf Systems Inc. Functional brain imaging from magnetoencephalographic data
JP4068763B2 (ja) 1999-06-21 2008-03-26 株式会社島津製作所 生体信号計測装置
US6374131B1 (en) * 1999-07-28 2002-04-16 Shimadzu Corporation Biomagnetism measuring method and apparatus
JP3907353B2 (ja) * 1999-08-26 2007-04-18 株式会社タニタ 生体インピーダンス測定装置
FI115737B (fi) * 2003-09-26 2005-06-30 Elekta Neuromag Oy Menetelmä monikanavaisen mittaussignaalin käyttämiseksi lähdemallinnuksessa
US20100219820A1 (en) * 2007-04-13 2010-09-02 University Of Floarida Research Foundation, Inc. Atomic Magnetometer Sensor Array Magnetoencephalogram Systems and Methods
US8406848B2 (en) * 2009-10-06 2013-03-26 Seiko Epson Corporation Reconstructing three-dimensional current sources from magnetic sensor data
KR101104316B1 (ko) * 2009-10-30 2012-01-13 한국표준과학연구원 소동물의 심자도 측정 시스템 및 그 방법
US8970217B1 (en) 2010-04-14 2015-03-03 Hypres, Inc. System and method for noise reduction in magnetic resonance imaging
US9433363B1 (en) * 2015-06-18 2016-09-06 Genetesis Llc Method and system for high throughput evaluation of functional cardiac electrophysiology
EP3207866A1 (de) * 2016-02-18 2017-08-23 Biomagnetik Park GmbH Vektormagnetkardiographie-verfahren und vektormagnetkardiographie-system
CN105769168B (zh) * 2016-03-30 2019-10-01 中国科学院上海微系统与信息技术研究所 一种心磁图电流源的辅助定位方法、系统、及设备
US10338157B2 (en) 2016-11-23 2019-07-02 The United States Of America, As Represented By The Secretary Of The Navy Detection of biomagnetic signals using quantum detector arrays
US11723579B2 (en) 2017-09-19 2023-08-15 Neuroenhancement Lab, LLC Method and apparatus for neuroenhancement
US11717686B2 (en) 2017-12-04 2023-08-08 Neuroenhancement Lab, LLC Method and apparatus for neuroenhancement to facilitate learning and performance
US11478603B2 (en) 2017-12-31 2022-10-25 Neuroenhancement Lab, LLC Method and apparatus for neuroenhancement to enhance emotional response
US11364361B2 (en) 2018-04-20 2022-06-21 Neuroenhancement Lab, LLC System and method for inducing sleep by transplanting mental states
CN113382683A (zh) 2018-09-14 2021-09-10 纽罗因恒思蒙特实验有限责任公司 改善睡眠的系统和方法
BR112021014687A2 (pt) * 2019-01-27 2021-09-28 Tesseract Sensors, LLC Sistemas e métodos para detecção de armas e dispositivos destrutivos com base em perfil de campo eletromagnético
US11786694B2 (en) 2019-05-24 2023-10-17 NeuroLight, Inc. Device, method, and app for facilitating sleep

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5269325A (en) * 1989-05-26 1993-12-14 Biomagnetic Technologies, Inc. Analysis of biological signals using data from arrays of sensors
DE69114886T2 (de) * 1990-03-28 1996-07-25 Hitachi Ltd Verfahren und Gerät zur Messung der Biostromverteilung.
JPH0687075B2 (ja) * 1990-09-30 1994-11-02 工業技術院長 ベクトル磁束測定方法およびその装置
JPH04357933A (ja) * 1990-11-20 1992-12-10 Getsutsu:Kk 生体信号処理装置
JP3018540B2 (ja) 1991-03-29 2000-03-13 株式会社島津製作所 ３軸型グラジオメータ
US5594849A (en) * 1991-08-09 1997-01-14 Yale University Biomedical magnetism imaging apparatus and method
JPH0542119A (ja) * 1991-08-12 1993-02-23 Fujitsu Ltd 生体磁気計測装置
JPH0542116A (ja) * 1991-08-13 1993-02-23 Hitachi Ltd 生体表面電位分布から生体内電流分布を推定する信号処理方法
DE4126949A1 (de) * 1991-08-16 1993-02-18 Siemens Ag Verfahren zur signalauswertung bei biomagnetischen messeinrichtungen
JPH05220123A (ja) * 1992-02-12 1993-08-31 Hitachi Ltd 磁場発生源の推定方法
JPH05220124A (ja) * 1992-02-13 1993-08-31 Fujitsu Ltd 生体磁気計測装置
JP3210088B2 (ja) 1992-09-07 2001-09-17 株式会社東芝 超音波診断装置

Also Published As

Publication number Publication date
US5755227A (en) 1998-05-26
EP0627192B1 (de) 1999-09-15
US5671740A (en) 1997-09-30
US5601081A (en) 1997-02-11
CN1491612A (zh) 2004-04-28
FI942643A0 (fi) 1994-06-03
EP0627192A1 (de) 1994-12-07
CN1102774A (zh) 1995-05-24
FI942643A (fi) 1994-12-05
US5682889A (en) 1997-11-04
CA2125086A1 (en) 1994-12-05
DE69420615D1 (de) 1999-10-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee