ATE162380T1 - Biomagnetometer mit flexiblem sensor - Google Patents

Biomagnetometer mit flexiblem sensor

Info

Publication number
ATE162380T1
ATE162380T1 AT93117218T AT93117218T ATE162380T1 AT E162380 T1 ATE162380 T1 AT E162380T1 AT 93117218 T AT93117218 T AT 93117218T AT 93117218 T AT93117218 T AT 93117218T AT E162380 T1 ATE162380 T1 AT E162380T1
Authority
AT
Austria
Prior art keywords
vessel
sensor unit
contact face
flexible contact
magnetic field
Prior art date
Application number
AT93117218T
Other languages
English (en)
Inventor
Mark S Diiorio
Eugene C Hirschkoff
Richard T Johnson
D Scott Buchanan
Stephen O James
Douglas Paulson
William C Black
Original Assignee
Biomagnetic Tech Inc
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
Application filed by Biomagnetic Tech Inc filed Critical Biomagnetic Tech Inc
Application granted granted Critical
Publication of ATE162380T1 publication Critical patent/ATE162380T1/de

Links

Classifications

    • 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
    • G01R33/035—Measuring direction or magnitude of magnetic fields or magnetic flux using superconductive devices
    • 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
    • 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
    • G01R33/035—Measuring direction or magnitude of magnetic fields or magnetic flux using superconductive devices
    • G01R33/0354—SQUIDS
    • G01R33/0358—SQUIDS coupling the flux to the SQUID
    • 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
    • Y10S505/70—High TC, above 30 k, superconducting device, article, or structured stock
    • Y10S505/704—Wire, fiber, or cable
    • Y10S505/705—Magnetic coil
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Measuring Magnetic Variables (AREA)
  • Containers, Films, And Cooling For Superconductive Devices (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
AT93117218T 1992-10-27 1993-10-23 Biomagnetometer mit flexiblem sensor ATE162380T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/967,217 US5442289A (en) 1989-07-31 1992-10-27 Biomagnetometer having flexible sensor

Publications (1)

Publication Number Publication Date
ATE162380T1 true ATE162380T1 (de) 1998-02-15

Family

ID=25512472

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93117218T ATE162380T1 (de) 1992-10-27 1993-10-23 Biomagnetometer mit flexiblem sensor

Country Status (5)

Country Link
US (1) US5442289A (de)
EP (1) EP0595227B1 (de)
JP (1) JPH0731603A (de)
AT (1) ATE162380T1 (de)
DE (1) DE69316523T2 (de)

Families Citing this family (76)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0731603B2 (ja) * 1984-11-21 1995-04-10 ノビツクス Ｆｏｒｔｈ特定言語マイクロプロセサ
US5762064A (en) * 1995-01-23 1998-06-09 Northrop Grumman Corporation Medical magnetic positioning system and method for determining the position of a magnetic probe
JP3194695B2 (ja) * 1995-12-14 2001-07-30 学校法人金沢工業大学 磁気計測装置、その組立方法及び修理方法、並びに磁気計測用診断装置
US5894220A (en) * 1996-02-12 1999-04-13 University Of Maryland Apparatus for microscopic imaging of electrical and magnetic properties of room-temperature objects
JP3368287B2 (ja) * 1996-05-23 2003-01-20 学校法人金沢工業大学 磁気測定装置
DE69716042T2 (de) * 1997-06-11 2003-06-26 Kanazawa Institute Of Technology, Ishikawa Magnetometer
GB9818885D0 (en) * 1998-08-28 1998-10-21 New Royal Holloway & Bedford Current sensing noise thermometer
US6241671B1 (en) * 1998-11-03 2001-06-05 Stereotaxis, Inc. Open field system for magnetic surgery
US6902528B1 (en) * 1999-04-14 2005-06-07 Stereotaxis, Inc. Method and apparatus for magnetically controlling endoscopes in body lumens and cavities
US6480111B2 (en) 2000-01-10 2002-11-12 Southwest Research Institute Motion detection for physiological applications
EP1326681B1 (de) 2000-10-20 2007-01-10 THE GOVERNMENT OF THE UNITED STATES OF AMERICA, as represented by THE SECRETARY, DEPARTMENT OF HEALTH AND HUMAN SERVICES Spule zur magnetischen stimulation
JP2002243817A (ja) * 2001-02-21 2002-08-28 Hitachi Ltd 検出コイル一体型グラジオメータ及び磁場計測装置
US7130675B2 (en) * 2002-06-28 2006-10-31 Tristan Technologies, Inc. High-resolution magnetoencephalography system and method
AU2002950624A0 (en) * 2002-08-07 2002-09-12 Commonwealth Scientific And Industrial Research Organisation Superconducting quantum interference device
US7197352B2 (en) * 2002-08-26 2007-03-27 Tristan Technologies, Inc. High-resolution magnetoencephalography system, components and method
WO2004017811A2 (en) * 2002-08-26 2004-03-04 Tristan Technologies, Inc. High-resolution magnetoencephalography system and method
US7909766B2 (en) * 2003-05-21 2011-03-22 Scimed Life Systems, Inc. Systems and methods for improving the imaging resolution of an imaging transducer
GB2425610A (en) * 2005-04-29 2006-11-01 Univ London Magnetic properties sensing system
US8212554B2 (en) 2005-05-11 2012-07-03 The University Of Houston System Intraluminal magneto sensor system and method of use
US7976451B2 (en) 2005-06-16 2011-07-12 The United States Of America As Represented By The Department Of Health And Human Services Transcranial magnetic stimulation system and methods
US20070167723A1 (en) * 2005-12-29 2007-07-19 Intel Corporation Optical magnetometer array and method for making and using the same
US7615385B2 (en) 2006-09-20 2009-11-10 Hypres, Inc Double-masking technique for increasing fabrication yield in superconducting electronics
JP5326314B2 (ja) 2008-03-21 2013-10-30 富士通株式会社 プロセサおよび情報処理装置
US9180305B2 (en) 2008-12-11 2015-11-10 Yeda Research & Development Co. Ltd. At The Weizmann Institute Of Science Systems and methods for controlling electric field pulse parameters using transcranial magnetic stimulation
US20120289780A1 (en) * 2009-11-17 2012-11-15 Laszlo Farkas Intralumen medical delivery vessel propelled by superconductive repulsion-levitation magnetic fields
US10634741B2 (en) 2009-12-04 2020-04-28 Endomagnetics Ltd. Magnetic probe apparatus
US9427186B2 (en) 2009-12-04 2016-08-30 Endomagnetics Ltd. Magnetic probe apparatus
EP2539239A1 (de) * 2010-02-26 2013-01-02 Nextteq, LLC Behälter zur flüssigkeitserfassung mit flexiblen metalllegierungswänden
CN103188992B (zh) * 2010-09-10 2016-11-16 柯尼卡美能达先进多层薄膜株式会社 生物磁场测量装置、生物磁场测量系统、以及生物磁场测量方法
US9248308B2 (en) 2013-02-21 2016-02-02 Brainsway, Ltd. Circular coils for deep transcranial magnetic stimulation
US9254394B2 (en) 2013-02-21 2016-02-09 Brainsway, Ltd. Central base coils for deep transcranial magnetic stimulation
US9533168B2 (en) 2013-02-21 2017-01-03 Brainsway, Ltd. Unilateral coils for deep transcranial magnetic stimulation
BR112015022129B1 (pt) 2013-03-11 2022-04-19 Endomagnetics Ltd Soluções hiposmóticas para a detecção de linfonodo
US9234877B2 (en) 2013-03-13 2016-01-12 Endomagnetics Ltd. Magnetic detector
US9239314B2 (en) 2013-03-13 2016-01-19 Endomagnetics Ltd. Magnetic detector
KR102589814B1 (ko) 2015-06-04 2023-10-13 엔도마그네틱스 엘티디 자성 표지자 위치 결정(ｍｍｌ)을 위한 표지자 재료 및 형태
GB201513191D0 (en) * 2015-07-27 2015-09-09 Royal Holloway & Bedford New College Neuroimaging headset
US11317843B2 (en) * 2016-08-02 2022-05-03 National University Corporation Tokyo Medical And Dental University Biomagnetism measuring device
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
EP3731749A4 (de) 2017-12-31 2022-07-27 Neuroenhancement Lab, LLC System und verfahren zur neuroverstärkung zur verbesserung der emotionalen reaktion
US11364361B2 (en) 2018-04-20 2022-06-21 Neuroenhancement Lab, LLC System and method for inducing sleep by transplanting mental states
US10976386B2 (en) 2018-07-17 2021-04-13 Hi Llc Magnetic field measurement system and method of using variable dynamic range optical magnetometers
US11136647B2 (en) 2018-08-17 2021-10-05 Hi Llc Dispensing of alkali metals mediated by zero oxidation state gold surfaces
WO2020036666A1 (en) 2018-08-17 2020-02-20 Hi Llc Optically pumped magnetometer
WO2020040882A1 (en) 2018-08-20 2020-02-27 Hi Llc Magnetic field shaping components for magnetic field measurement systems and methods for making and using
US10627460B2 (en) 2018-08-28 2020-04-21 Hi Llc Systems and methods including multi-mode operation of optically pumped magnetometer(s)
EP3849410A4 (de) 2018-09-14 2022-11-02 Neuroenhancement Lab, LLC System und verfahren zur verbesserung des schlafs
WO2020060652A1 (en) 2018-09-18 2020-03-26 Hi Llc Dynamic magnetic shielding and beamforming using ferrofluid for compact magnetoencephalography (meg)
US11370941B2 (en) 2018-10-19 2022-06-28 Hi Llc Methods and systems using molecular glue for covalent bonding of solid substrates
US11307268B2 (en) 2018-12-18 2022-04-19 Hi Llc Covalently-bound anti-relaxation surface coatings and application in magnetometers
US11294008B2 (en) 2019-01-25 2022-04-05 Hi Llc Magnetic field measurement system with amplitude-selective magnetic shield
EP3924743A1 (de) 2019-02-12 2021-12-22 Hi LLC Neuronale rückkopplungsschleifenfilter für magnetoenzephalografie (meg)-systeme mit verstärktem dynamikbereich und verfahren
US11360164B2 (en) 2019-03-29 2022-06-14 Hi Llc Integrated magnetometer arrays for magnetoencephalography (MEG) detection systems and methods
US11269027B2 (en) 2019-04-23 2022-03-08 Hi Llc Compact optically pumped magnetometers with pump and probe configuration and systems and methods
US11131724B2 (en) 2019-05-03 2021-09-28 Hi Llc Systems and methods for measuring current output by a photodetector of a wearable sensor unit that includes one or more magnetometers
US11786694B2 (en) 2019-05-24 2023-10-17 NeuroLight, Inc. Device, method, and app for facilitating sleep
US11839474B2 (en) 2019-05-31 2023-12-12 Hi Llc Magnetoencephalography (MEG) phantoms for simulating neural activity
US11131729B2 (en) 2019-06-21 2021-09-28 Hi Llc Systems and methods with angled input beams for an optically pumped magnetometer
US11415641B2 (en) 2019-07-12 2022-08-16 Hi Llc Detachable arrangement for on-scalp magnetoencephalography (MEG) calibration
US10996293B2 (en) 2019-08-06 2021-05-04 Hi Llc Systems and methods having an optical magnetometer array with beam splitters
FR3100125B1 (fr) * 2019-08-30 2023-05-26 Commissariat Energie Atomique Casque support pour dispositif de magnétoencéphalographie
US11747413B2 (en) 2019-09-03 2023-09-05 Hi Llc Methods and systems for fast field zeroing for magnetoencephalography (MEG)
WO2021091867A1 (en) 2019-11-08 2021-05-14 Hi Llc Methods and systems for homogenous optically-pumped vapor cell array assembly from discrete vapor cells
US11604236B2 (en) 2020-02-12 2023-03-14 Hi Llc Optimal methods to feedback control and estimate magnetic fields to enable a neural detection system to measure magnetic fields from the brain
US11801003B2 (en) 2020-02-12 2023-10-31 Hi Llc Estimating the magnetic field at distances from direct measurements to enable fine sensors to measure the magnetic field from the brain using a neural detection system
US11872042B2 (en) 2020-02-12 2024-01-16 Hi Llc Self-calibration of flux gate offset and gain drift to improve measurement accuracy of magnetic fields from the brain using a wearable neural detection system
US11980466B2 (en) 2020-02-12 2024-05-14 Hi Llc Nested and parallel feedback control loops for ultra-fine measurements of magnetic fields from the brain using a neural detection system
US11977134B2 (en) 2020-02-24 2024-05-07 Hi Llc Mitigation of an effect of capacitively coupled current while driving a sensor component over an unshielded twisted pair wire configuration
WO2021242682A1 (en) 2020-05-28 2021-12-02 Hi Llc Systems and methods for recording biomagnetic fields of the human heart
WO2021242680A1 (en) 2020-05-28 2021-12-02 Hi Llc Systems and methods for recording neural activity
US11766217B2 (en) 2020-05-28 2023-09-26 Hi Llc Systems and methods for multimodal pose and motion tracking for magnetic field measurement or recording systems
US11428756B2 (en) 2020-05-28 2022-08-30 Hi Llc Magnetic field measurement or recording systems with validation using optical tracking data
US11604237B2 (en) 2021-01-08 2023-03-14 Hi Llc Devices, systems, and methods with optical pumping magnetometers for three-axis magnetic field sensing
US11803018B2 (en) 2021-01-12 2023-10-31 Hi Llc Devices, systems, and methods with a piezoelectric-driven light intensity modulator
US12007454B2 (en) 2021-03-11 2024-06-11 Hi Llc Devices, systems, and methods for suppressing optical noise in optically pumped magnetometers

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3731184A (en) * 1948-12-21 1973-05-01 H Goldberg Deformable pick up coil and cooperating magnet for measuring physical quantities, with means for rendering coil output independent of orientation
SU516955A1 (ru) * 1972-02-07 1976-06-05 Предприятие П/Я М-5953 Вихретоковый накладной преобразователь
SU667922A1 (ru) * 1976-04-28 1979-06-15 Предприятие П/Я А-7179 Индуктор-приемник магнитных шумов баркгаузена
EP0210489B2 (de) * 1985-07-22 1993-11-18 Siemens Aktiengesellschaft Vielkanalige Vorrichtung zur Messung schwacher Magnetfelder
US4906930A (en) * 1987-02-27 1990-03-06 Hitachi, Ltd. Magnetometer using a Josephson device and superconducting phototransistor
US4982158A (en) * 1988-06-23 1991-01-01 Electric Power Research Institute, Inc. Method and apparatus for magnetic detection of flaws
EP0361137A1 (de) * 1988-09-16 1990-04-04 Siemens Aktiengesellschaft Magnetometer-Einrichtung mit einem Dewar-Gefäss zur Messung schwacher Magnetfelder
US4951674A (en) * 1989-03-20 1990-08-28 Zanakis Michael F Biomagnetic analytical system using fiber-optic magnetic sensors
US5158932A (en) * 1989-07-31 1992-10-27 Biomagnetic Technologies, Inc. Superconducting biomagnetometer with inductively coupled pickup coil
US5061680A (en) * 1989-07-31 1991-10-29 Biomagnetic Technologies, Inc. Superconducting biomagnetometer with remote pickup coil
US5506200A (en) * 1992-02-06 1996-04-09 Biomagnetic Technologies, Inc. Compact superconducting magnetometer having no vacuum insulation
US5008622A (en) * 1989-12-21 1991-04-16 United States Department Of Energy Superconductive imaging surface magnetometer
FI89130C (fi) * 1990-11-01 1993-08-25 Neuromag Oy Lokaliseringsspolar och anordning foer deras faestning vid huvudet foer anvaendning i magnetoenkefalografiska maetningar
FI89131C (fi) * 1990-12-21 1993-08-25 Neuromag Oy Magnetometerdetektor och deras montage i en flerkanalig anordning foer maetning av maenskans hjaernfunktioner alstrande magnetfaelt

Also Published As

Publication number Publication date
JPH0731603A (ja) 1995-02-03
EP0595227B1 (de) 1998-01-21
US5442289A (en) 1995-08-15
EP0595227A1 (de) 1994-05-04
DE69316523D1 (de) 1998-02-26
DE69316523T2 (de) 1998-09-10

Similar Documents

Publication Publication Date Title
DE69316523D1 (de) Biomagnetometer mit flexiblem Sensor
PT722290E (pt) Determinacao magnetica de posicao e orientacao
DE69414171D1 (de) Aufzeichnungsgerät mit Wärmekopf und Aufzeichnungsverfahren
JPS57141177A (en) Video camera with monitor
GR3018963T3 (en) Battery having a label comprising a voltmeter
DK0605664T3 (da) Termoelektrisk kølesystem med fleksibelt varmeledende element.
GB2261321B (en) Power semiconductor device with temperature sensor
ES2101400T3 (es) Maquina electrica refrigerada por gas.
DE69412542D1 (de) Taschengrösses Laserleistungsmessgerät
DE3881962D1 (de) Amorphe legierung fuer streifenfoermige sensorelemente.
DE59105031D1 (de) Kondensationskernzähler.
ATE79980T1 (de) Bildwiedergabevorrichtung mit mitteln zur kompensation der streufelder.
DE59304951D1 (de) Kryostat mit mechanisch flexibler thermischer Kontaktierung
BR8602741A (pt) Aparelho trocador de calor compacto de baixo gradiente de pressao
FI874753A0 (fi) Anordning foer kylning av halvledarkomponenter.
FR2743183B1 (fr) Dispositif d'enregistrement a micropointe magnetoresistive
GB2020426A (en) Chronocalorimeter system for measuring and reckoning exploited heat
JPS57205875A (en) Magnetic disk device
SE8603245L (sv) Vetskeuppvermningssystem
GB2257792A (en) A method and a device for determining the positions of boundary layers
ZHILICH et al. Magneto- and electroabsorption of light in semiconductors((Russian book))(Magnito- i elektropogloshchenie sveta v poluprovodnikakh)
DE69220445D1 (de) Wärmetauscher mit beweglichen Röhrenanordnungen
JPS6429159A (en) Facsimile equipment
Haruyama Optical method for measurement of quality and flow patterns in helium two-phase flow
EP0724273A3 (de) Magneteinrichtung mit forciert zu kühlender supraleitender Wicklung