DE69116556T2 - Abgeschirmte gradientspule für nmr-abbildung - Google Patents

Abgeschirmte gradientspule für nmr-abbildung

Info

Publication number
DE69116556T2
DE69116556T2 DE69116556T DE69116556T DE69116556T2 DE 69116556 T2 DE69116556 T2 DE 69116556T2 DE 69116556 T DE69116556 T DE 69116556T DE 69116556 T DE69116556 T DE 69116556T DE 69116556 T2 DE69116556 T2 DE 69116556T2
Authority
DE
Germany
Prior art keywords
gradient coil
nmr image
shielded gradient
shielded
nmr
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
DE69116556T
Other languages
English (en)
Other versions
DE69116556D1 (de
Inventor
Richard Rzedzian
Charles Martin
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.)
Advanced NMR Systems Inc
Original Assignee
Advanced NMR Systems 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27064368&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69116556(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Advanced NMR Systems Inc filed Critical Advanced NMR Systems Inc
Priority claimed from PCT/US1991/003996 external-priority patent/WO1991019209A1/en
Publication of DE69116556D1 publication Critical patent/DE69116556D1/de
Application granted granted Critical
Publication of DE69116556T2 publication Critical patent/DE69116556T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/42—Screening
    • G01R33/421—Screening of main or gradient magnetic field
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/42—Screening
    • G01R33/422—Screening of the radio frequency field

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE69116556T 1990-06-06 1991-06-06 Abgeschirmte gradientspule für nmr-abbildung Expired - Lifetime DE69116556T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US53414290A 1990-06-06 1990-06-06
US54588890A 1990-06-29 1990-06-29
PCT/US1991/003996 WO1991019209A1 (en) 1990-06-06 1991-06-06 Shielded gradient coil for nuclear magnetic resonance imaging

Publications (2)

Publication Number Publication Date
DE69116556D1 DE69116556D1 (de) 1996-02-29
DE69116556T2 true DE69116556T2 (de) 1996-09-19

Family

ID=27064368

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69116556T Expired - Lifetime DE69116556T2 (de) 1990-06-06 1991-06-06 Abgeschirmte gradientspule für nmr-abbildung

Country Status (3)

Country Link
EP (1) EP0532692B1 (de)
DE (1) DE69116556T2 (de)
WO (1) WO1991019994A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5349297A (en) * 1992-03-27 1994-09-20 Picker International Inc. Combined self shielded gradient coil and shimset
US5367261A (en) * 1992-07-02 1994-11-22 General Electric Company Shield for a magnetic resonance imaging coil
DE4414371C2 (de) * 1994-01-19 1997-10-23 Siemens Ag Diagnostisches Magnetresonanzgerät
US5574372A (en) * 1994-01-19 1996-11-12 Siemens Aktiengesellschaft Diagnostic magnetic resonance apparatus having a radio frequency shield between the radio frequency antenna and the gradient coil system
CN1055651C (zh) * 1997-03-14 2000-08-23 王斌武 园轮式内散镜片精磨抛光机
EP3415940B1 (de) * 2017-06-14 2019-07-31 Siemens Healthcare GmbH Mr-hochfrequenzschirmeinheit.

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4638253A (en) * 1984-10-29 1987-01-20 General Electric Company Mutual inductance NMR RF coil matching device
GB2170957A (en) * 1985-01-15 1986-08-13 Oxford Magnet Tech Coil assembly for NMR imaging
US4733189A (en) * 1986-06-03 1988-03-22 Massachusetts Institute Of Technology Magnetic resonance imaging systems
NL8701948A (nl) * 1987-08-19 1989-03-16 Philips Nv Magnetisch resonantie-apparaat met verbeterd gradient spoelenstelsel.
JPH01181855A (ja) * 1988-01-13 1989-07-19 Toshiba Corp 磁気共鳴イメージング装置
US4879515A (en) * 1988-12-22 1989-11-07 General Electric Company Double-sided RF shield for RF coil contained within gradient coils of NMR imaging device
US4871969A (en) * 1988-12-22 1989-10-03 General Electric Company RF shield for RF coil contained within gradient coils of NMR imaging device
IL89743A0 (en) * 1989-03-26 1989-09-28 Elscint Ltd Compact shielded gradient coil system

Also Published As

Publication number Publication date
EP0532692A4 (en) 1993-07-21
EP0532692B1 (de) 1996-01-17
EP0532692A1 (de) 1993-03-24
DE69116556D1 (de) 1996-02-29
WO1991019994A1 (en) 1991-12-26

Similar Documents

Publication Publication Date Title
DE69130108D1 (de) Abbildung mittels magnetischer Resonanz
NO305579B1 (no) MÕleapparat for kjernemagnetisk resonans
DE3752332T2 (de) Selbstgeschmirmte Gradientspulen für Abbildung in kernmagnetischer Resonanz
DE69029692T2 (de) Magnetresonanzabbildung
DK239490D0 (da) Kontrastmidler til magnetisk resonansafbildning
DE69326379T2 (de) Kinematographische Bilderzeugung mittels magnetischer Resonanz
EP0454298A3 (en) Gradient amplifier system for magnetic resonance imaging
DE69332215T2 (de) Bilderzeugung mittels magnetischer Resonanz
DE69430349T2 (de) Apparat für magnetische Resonanzuntersuchungen
DE69407848T2 (de) Magnetanordnung für die Bilderzeugung mittels magnetischer Resonanz
EP0460895A3 (en) Gradient speed-up circuit for nmr apparatus
DE69330822T2 (de) Lokale transversale gradientenspule für die bildgebende magnetische resonanz
DE69129362T2 (de) Bilderzeugung mittels magnetischer Resonanz
DE69128792D1 (de) Mehrfachresonanz-spulen für magnetische kernresonanz
GB2261954B (en) Method for nuclear magnetic resonance (NMR) tomography
DE69116556D1 (de) Abgeschirmte gradientspule für nmr-abbildung
DE69120043T2 (de) Aufnehmerspule für Magnetfeldmessung
IL70211A (en) Gradient field coils for nmr imaging
DE59103524D1 (de) Oberflächenspule für Kernresonanzuntersuchungen.
DE69118522D1 (de) Endverarbeitungseinrichtung für eine bilderzeugungseinrichtung
DE3668992D1 (de) Gradientenspule fuer nmr-abbildungsanordnungen.
DE69027879T2 (de) Multi-Echo-NMR-Abbildungsverfahren
DE59107957D1 (de) Verfahren für die zweidimensionale Kernresonanzspektroskopie
DK153492A (da) Apparat til måling af kernemagnetisk resonans
IT9009445A0 (it) Apparato di misura per risonanza paramagnetica elettronica

Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8339 Ceased/non-payment of the annual fee
8370 Indication of lapse of patent is to be deleted