DE69829029D1 - Kernspintomograph mit planarer Gradientenspulenanordnung - Google Patents

Kernspintomograph mit planarer Gradientenspulenanordnung

Info

Publication number
DE69829029D1
DE69829029D1 DE69829029T DE69829029T DE69829029D1 DE 69829029 D1 DE69829029 D1 DE 69829029D1 DE 69829029 T DE69829029 T DE 69829029T DE 69829029 T DE69829029 T DE 69829029T DE 69829029 D1 DE69829029 D1 DE 69829029D1
Authority
DE
Germany
Prior art keywords
magnetic resonance
gradient coil
coil arrangement
resonance tomograph
planar gradient
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 - Lifetime
Application number
DE69829029T
Other languages
English (en)
Other versions
DE69829029T2 (de
Inventor
Mikhail G Sementchenko
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.)
Koninklijke Philips NV
Original Assignee
Philips Medical Systems MR Technologies Finland Oy
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 to US6597297P priority Critical
Priority to US65972P priority
Application filed by Philips Medical Systems MR Technologies Finland Oy filed Critical Philips Medical Systems MR Technologies Finland Oy
Application granted granted Critical
Publication of DE69829029D1 publication Critical patent/DE69829029D1/de
Publication of DE69829029T2 publication Critical patent/DE69829029T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/385Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/42Screening
    • G01R33/421Screening of main or gradient magnetic field
    • G01R33/4215Screening of main or gradient magnetic field of the gradient magnetic field, e.g. using passive or active shielding of the gradient magnetic field
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/385Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
    • G01R33/3856Means for cooling the gradient coils or thermal shielding of the gradient coils
DE1998629029 1997-11-28 1998-11-30 Kernspintomograph mit planarer Gradientenspulenanordnung Expired - Lifetime DE69829029T2 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US6597297P true 1997-11-28 1997-11-28
US65972P 1997-11-28

Publications (2)

Publication Number Publication Date
DE69829029D1 true DE69829029D1 (de) 2005-03-24
DE69829029T2 DE69829029T2 (de) 2005-10-20

Family

ID=22066412

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1998629029 Expired - Lifetime DE69829029T2 (de) 1997-11-28 1998-11-30 Kernspintomograph mit planarer Gradientenspulenanordnung

Country Status (4)

Country Link
US (1) US6144204A (de)
EP (1) EP0919825B1 (de)
JP (1) JP4173236B2 (de)
DE (1) DE69829029T2 (de)

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US9531195B2 (en) * 2011-04-29 2016-12-27 Cyberonics, Inc. Inductively rechargeable implantable device with reduced eddy currents
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US9910104B2 (en) 2015-01-23 2018-03-06 Lockheed Martin Corporation DNV magnetic field detector
WO2015157290A1 (en) 2014-04-07 2015-10-15 Lockheed Martin Corporation Energy efficient controlled magnetic field generator circuit
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US10168393B2 (en) 2014-09-25 2019-01-01 Lockheed Martin Corporation Micro-vacancy center device
US9557391B2 (en) 2015-01-23 2017-01-31 Lockheed Martin Corporation Apparatus and method for high sensitivity magnetometry measurement and signal processing in a magnetic detection system
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EP3250887A4 (de) 2015-01-28 2018-11-14 Lockheed Martin Corporation Magnetische navigation verfahren und systeme unter verwendung eines stromnetzes und kommunikationsnetzes
WO2016126436A1 (en) 2015-02-04 2016-08-11 Lockheed Martin Corporation Apparatus and method for recovery of three dimensional magnetic field from a magnetic detection system
US10241158B2 (en) 2015-02-04 2019-03-26 Lockheed Martin Corporation Apparatus and method for estimating absolute axes' orientations for a magnetic detection system
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US20180321342A1 (en) * 2015-11-06 2018-11-08 Synaptive Medical (Barbados) Inc. Electromagnet current constraints
US10120039B2 (en) 2015-11-20 2018-11-06 Lockheed Martin Corporation Apparatus and method for closed loop processing for a magnetic detection system
US9829545B2 (en) 2015-11-20 2017-11-28 Lockheed Martin Corporation Apparatus and method for hypersensitivity detection of magnetic field
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US10088452B2 (en) 2016-01-12 2018-10-02 Lockheed Martin Corporation Method for detecting defects in conductive materials based on differences in magnetic field characteristics measured along the conductive materials
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EP3405603A4 (de) 2016-01-21 2019-10-16 Lockheed Martin Corporation Diamantstickstoffleerstellensensor mit schaltung auf diamant
US10088336B2 (en) 2016-01-21 2018-10-02 Lockheed Martin Corporation Diamond nitrogen vacancy sensed ferro-fluid hydrophone
WO2017127090A1 (en) 2016-01-21 2017-07-27 Lockheed Martin Corporation Higher magnetic sensitivity through fluorescence manipulation by phonon spectrum control
AU2016388316A1 (en) 2016-01-21 2018-09-06 Lockheed Martin Corporation Diamond nitrogen vacancy sensor with common RF and magnetic fields generator
US10338162B2 (en) 2016-01-21 2019-07-02 Lockheed Martin Corporation AC vector magnetic anomaly detection with diamond nitrogen vacancies
WO2017127096A1 (en) 2016-01-21 2017-07-27 Lockheed Martin Corporation Diamond nitrogen vacancy sensor with dual rf sources
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US20170343621A1 (en) * 2016-05-31 2017-11-30 Lockheed Martin Corporation Magneto-optical defect center magnetometer
US10571530B2 (en) 2016-05-31 2020-02-25 Lockheed Martin Corporation Buoy array of magnetometers
US20170343618A1 (en) * 2016-05-31 2017-11-30 Lockheed Martin Corporation Layered rf coil for magnetometer
US10317279B2 (en) 2016-05-31 2019-06-11 Lockheed Martin Corporation Optical filtration system for diamond material with nitrogen vacancy centers
US10527746B2 (en) 2016-05-31 2020-01-07 Lockheed Martin Corporation Array of UAVS with magnetometers
US10677953B2 (en) 2016-05-31 2020-06-09 Lockheed Martin Corporation Magneto-optical detecting apparatus and methods
US10338163B2 (en) 2016-07-11 2019-07-02 Lockheed Martin Corporation Multi-frequency excitation schemes for high sensitivity magnetometry measurement with drift error compensation
US10371765B2 (en) 2016-07-11 2019-08-06 Lockheed Martin Corporation Geolocation of magnetic sources using vector magnetometer sensors
US10281550B2 (en) 2016-11-14 2019-05-07 Lockheed Martin Corporation Spin relaxometry based molecular sequencing
US10345395B2 (en) 2016-12-12 2019-07-09 Lockheed Martin Corporation Vector magnetometry localization of subsurface liquids
US10359479B2 (en) 2017-02-20 2019-07-23 Lockheed Martin Corporation Efficient thermal drift compensation in DNV vector magnetometry
US10228429B2 (en) 2017-03-24 2019-03-12 Lockheed Martin Corporation Apparatus and method for resonance magneto-optical defect center material pulsed mode referencing
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Also Published As

Publication number Publication date
JPH11244259A (ja) 1999-09-14
JP4173236B2 (ja) 2008-10-29
EP0919825B1 (de) 2005-02-16
US6144204A (en) 2000-11-07
DE69829029T2 (de) 2005-10-20
EP0919825A3 (de) 2001-03-14
EP0919825A2 (de) 1999-06-02

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Legal Events

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8327 Change in the person/name/address of the patent owner

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N

8364 No opposition during term of opposition