DE68921537D1 - Verbreiterte und geformte Oberflächenspule zur Bilderzeugung mittels magnetischer Resonanz mit vergrössertem Signal-Rausch-Verhältnis. - Google Patents

Verbreiterte und geformte Oberflächenspule zur Bilderzeugung mittels magnetischer Resonanz mit vergrössertem Signal-Rausch-Verhältnis.

Info

Publication number
DE68921537D1
DE68921537D1 DE68921537T DE68921537T DE68921537D1 DE 68921537 D1 DE68921537 D1 DE 68921537D1 DE 68921537 T DE68921537 T DE 68921537T DE 68921537 T DE68921537 T DE 68921537T DE 68921537 D1 DE68921537 D1 DE 68921537D1
Authority
DE
Germany
Prior art keywords
magnetic resonance
noise ratio
resonance imaging
broadened
shaped surface
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
DE68921537T
Other languages
English (en)
Inventor
Joseph W Carlson
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.)
University of California
University of California Berkeley
Original Assignee
University of California
University of California Berkeley
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 University of California, University of California Berkeley filed Critical University of California
Application granted granted Critical
Publication of DE68921537D1 publication Critical patent/DE68921537D1/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
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/341—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE68921537T 1988-10-14 1989-01-10 Verbreiterte und geformte Oberflächenspule zur Bilderzeugung mittels magnetischer Resonanz mit vergrössertem Signal-Rausch-Verhältnis. Expired - Lifetime DE68921537D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/257,801 US4878022A (en) 1988-10-14 1988-10-14 Widened and shaped MRI surface coil having increased signal-to-noise ratio

Publications (1)

Publication Number Publication Date
DE68921537D1 true DE68921537D1 (de) 1995-04-13

Family

ID=22977804

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68921537T Expired - Lifetime DE68921537D1 (de) 1988-10-14 1989-01-10 Verbreiterte und geformte Oberflächenspule zur Bilderzeugung mittels magnetischer Resonanz mit vergrössertem Signal-Rausch-Verhältnis.

Country Status (5)

Country Link
US (1) US4878022A (de)
EP (1) EP0364061B1 (de)
JP (1) JP2615195B2 (de)
AT (1) ATE119677T1 (de)
DE (1) DE68921537D1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4301557C2 (de) * 1993-01-21 1995-07-06 Siemens Ag Antennenanordnung mit Abschirmung für ein Kernspintomographiegerät
US5329234A (en) * 1993-01-28 1994-07-12 Burton Edward M Surface coil holder for magnetic resonance imaging
US5490509A (en) * 1993-03-18 1996-02-13 The Regents Of The University Of California Method and apparatus for MRI using selectively shaped image volume of homogeneous NMR polarizing field
DE4314338C2 (de) * 1993-04-30 1998-07-23 Siemens Ag Hochfrequenz-System einer Anlage zur Kernspintomographie mit Abschirmmitteln zu einer E-Feld-Begrenzung
DE4320531A1 (de) * 1993-06-21 1994-12-22 Siemens Ag Zirkular polarisierende Antenne für ein Magnetresonazgerät
CA2241910C (en) * 1995-12-29 2002-10-22 Doty Scientific Inc. Low-inductance transverse litz foil coils
US6087832A (en) * 1997-05-06 2000-07-11 Doty Scientific, Inc. Edge-wound solenoids and strongly coupled ring resonators for NMR and MRI
JPH11253418A (ja) 1998-03-11 1999-09-21 Toshiba Corp 磁気共鳴イメージング装置のｒｆコイル
WO2001027647A1 (en) * 1999-10-11 2001-04-19 Koninklijke Philips Electronics N.V. Mri rf coils with overlapping regions of sensitivity
US6593743B2 (en) * 2001-10-26 2003-07-15 Varian, Inc. Rounded-conductor NMR RF resonators
EP1625414A1 (de) * 2003-05-08 2006-02-15 Koninklijke Philips Electronics N.V. Rf-oberflächenspule für die magnetische resonanzbildgebung mit reduzierter empfindlichkeit in der nähe der leiterbahnen
CN105572612B (zh) * 2014-12-31 2019-05-03 中国科学院深圳先进技术研究院 一种提高多通道射频线圈性能的方法
JP6657181B2 (ja) * 2015-03-25 2020-03-04 パイオニア株式会社 発光装置
JP7479178B2 (ja) * 2020-03-31 2024-05-08 キヤノンメディカルシステムズ株式会社 高周波コイル

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8329196D0 (en) * 1983-11-02 1983-12-07 Bydder G M Nuclear magnetic resonance apparatus
DE3340384A1 (de) * 1983-11-08 1985-05-15 Siemens AG, 1000 Berlin und 8000 München Hochfrequenz-einrichtung einer kernspinresonanz-apparatur mit einer oberflaechenspule
US4672972A (en) * 1984-08-13 1987-06-16 Berke Howard R Solid state NMR probe
US4740751A (en) * 1984-08-16 1988-04-26 Picker International, Inc. Whole body MRI resonator
US4620155A (en) * 1984-08-16 1986-10-28 General Electric Company Nuclear magnetic resonance imaging antenna subsystem having a plurality of non-orthogonal surface coils
US4636730A (en) * 1984-08-16 1987-01-13 General Electric Company NMR spectroscopy body probes with at least one surface coil
US4649348A (en) * 1984-08-20 1987-03-10 Technicare Corporation Radio frequency coils for nuclear magnetic resonance imaging systems
US4724389A (en) * 1985-05-08 1988-02-09 Medical College Of Wisconsin, Inc. Loop-gap resonator for localized NMR imaging
FR2592715B1 (fr) * 1986-01-07 1990-09-21 Thomson Cgr Antenne orbite pour appareil d'imagerie par resonance magnetique nucleaire
DE3619970A1 (de) * 1986-06-13 1987-12-17 Philips Patentverwaltung Oberflaechenspule fuer hochfrequenzmagnetfelder bei kernspinuntersuchungen
US4703274A (en) * 1986-08-29 1987-10-27 The Regents Of The University Of California Arrangement of RF coils and related method for magnetic resonance imaging of a selected inner-volume
US4841249A (en) * 1986-10-28 1989-06-20 Siemens Aktiengesellschaft Truncated cone shaped surface resonator for nuclear magnetic resonance tomography
US4791371A (en) * 1986-11-17 1988-12-13 Memorial Hospital For Cancer And Allied Diseases Apparatus useful in magnetic resonance imaging
US4777438A (en) * 1987-04-27 1988-10-11 Picker International, Inc. Multiple imaging with improved signal-to-noise ratio
US4881034A (en) * 1988-01-19 1989-11-14 The Regents Of The University Of California Switchable MRI RF coil array with individual coils having different and overlapping fields of view

Also Published As

Publication number Publication date
JP2615195B2 (ja) 1997-05-28
US4878022A (en) 1989-10-31
ATE119677T1 (de) 1995-03-15
EP0364061A2 (de) 1990-04-18
JPH02109544A (ja) 1990-04-23
EP0364061A3 (en) 1990-12-05
EP0364061B1 (de) 1995-03-08

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Legal Events

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