DE4113120A1 - Kernspintomograph - Google Patents

Kernspintomograph

Info

Publication number
DE4113120A1
DE4113120A1 DE4113120A DE4113120A DE4113120A1 DE 4113120 A1 DE4113120 A1 DE 4113120A1 DE 4113120 A DE4113120 A DE 4113120A DE 4113120 A DE4113120 A DE 4113120A DE 4113120 A1 DE4113120 A1 DE 4113120A1
Authority
DE
Germany
Prior art keywords
mri scanner
scanner according
antenna
decoupling elements
frequency
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.)
Granted
Application number
DE4113120A
Other languages
German (de)
English (en)
Other versions
DE4113120C2 (https=
Inventor
Wilhelm Dr Duerr
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens 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
Application filed by Siemens AG, Siemens Corp filed Critical Siemens AG
Priority to DE4113120A priority Critical patent/DE4113120A1/de
Priority to JP12830492A priority patent/JP3205385B2/ja
Priority to US07/872,100 priority patent/US5294886A/en
Publication of DE4113120A1 publication Critical patent/DE4113120A1/de
Application granted granted Critical
Publication of DE4113120C2 publication Critical patent/DE4113120C2/de
Granted 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
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3685—Means for reducing sheath currents, e.g. RF traps, baluns
    • 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
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3642—Mutual coupling or decoupling of multiple coils, e.g. decoupling of a receive coil from a transmission coil, or intentional coupling of RF coils, e.g. for RF magnetic field amplification
    • G01R33/3657—Decoupling of multiple RF coils wherein the multiple RF coils do not have the same function in MR, e.g. decoupling of a transmission coil from a receive coil

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE4113120A 1991-04-22 1991-04-22 Kernspintomograph Granted DE4113120A1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE4113120A DE4113120A1 (de) 1991-04-22 1991-04-22 Kernspintomograph
JP12830492A JP3205385B2 (ja) 1991-04-22 1992-04-20 核磁気共鳴断層撮影装置
US07/872,100 US5294886A (en) 1991-04-22 1992-04-22 Antenna system for a magnetic resonance imaging tomography apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4113120A DE4113120A1 (de) 1991-04-22 1991-04-22 Kernspintomograph

Publications (2)

Publication Number Publication Date
DE4113120A1 true DE4113120A1 (de) 1992-11-05
DE4113120C2 DE4113120C2 (https=) 1993-09-23

Family

ID=6430116

Family Applications (1)

Application Number Title Priority Date Filing Date
DE4113120A Granted DE4113120A1 (de) 1991-04-22 1991-04-22 Kernspintomograph

Country Status (3)

Country Link
US (1) US5294886A (https=)
JP (1) JP3205385B2 (https=)
DE (1) DE4113120A1 (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4238831A1 (de) * 1992-11-17 1994-05-19 Siemens Ag Hochfrequenzeinrichtung einer Anlage zur Kernspintomographie mit einer Oberflächenspule
DE4314338A1 (de) * 1993-04-30 1994-11-03 Siemens Ag Hochfrequenz-System einer Anlage zur Kernspintomographie mit Abschirmmitteln zu einer E-Feld-Begrenzung
DE4322352A1 (de) * 1993-07-05 1995-01-19 Siemens Ag Hochfrequenz-System einer Anlage zur Kernspintomographie mit einer galvanisch entkoppelten Lokalspuleneinrichtung

Families Citing this family (43)

* Cited by examiner, † Cited by third party
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US5371466A (en) * 1992-07-29 1994-12-06 The Regents Of The University Of California MRI RF ground breaker assembly
US5543713A (en) * 1994-12-01 1996-08-06 The Regents Of The University Of California Ground breaker for multiple control lines
US5804969A (en) * 1995-07-28 1998-09-08 Advanced Mammography Systems, Inc. MRI RF coil
DE19536531C2 (de) * 1995-09-29 1999-02-25 Siemens Ag Antennenanordnung für ein Magnetresonanzgerät
US7236816B2 (en) 1996-04-25 2007-06-26 Johns Hopkins University Biopsy and sampling needle antennas for magnetic resonance imaging-guided biopsies
US6675033B1 (en) 1999-04-15 2004-01-06 Johns Hopkins University School Of Medicine Magnetic resonance imaging guidewire probe
US6898454B2 (en) 1996-04-25 2005-05-24 The Johns Hopkins University Systems and methods for evaluating the urethra and the periurethral tissues
US6263229B1 (en) 1998-11-13 2001-07-17 Johns Hopkins University School Of Medicine Miniature magnetic resonance catheter coils and related methods
US6023167A (en) * 1998-01-26 2000-02-08 Picker International, Inc. Surface coils with integrated shims
EP1171032A4 (en) 1999-04-15 2008-10-29 Surgi Vision PROCESS FOR IN VIVO IMAGING BY MAGNETIC RESONANCE
US7848788B2 (en) 1999-04-15 2010-12-07 The Johns Hopkins University Magnetic resonance imaging probe
JP2003502085A (ja) 1999-06-14 2003-01-21 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 電気的に接続された機器用の妨害防止供給導線を有するｍｒｉ装置
US6847210B1 (en) 1999-12-17 2005-01-25 Fonar Corporation MRI antenna
WO2001056469A2 (en) 2000-02-01 2001-08-09 Surgi-Vision, Inc. Magnetic resonance imaging transseptal needle antenna
WO2001073461A2 (en) 2000-03-24 2001-10-04 Surgi-Vision Endoluminal mri probe
JP2004514485A (ja) * 2000-11-24 2004-05-20 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 分離された電気的接続導体を有する挿入装置
DE10249239A1 (de) * 2002-10-23 2004-05-06 Philips Intellectual Property & Standards Gmbh Magnetresonanz-Bildgerät mit elektrischer Zusatzeinrichtung
EP1616339B1 (en) * 2003-04-09 2007-07-18 Philips Intellectual Property & Standards GmbH Transmission cable
EP1716428A1 (en) 2004-01-14 2006-11-02 Koninklijke Philips Electronics N.V. Rf trap tuned by selectively inserting electrically conductive tuning elements
DE102004015856B4 (de) * 2004-03-31 2014-04-30 Siemens Aktiengesellschaft Mantelwellensperreneinheit
JP5247145B2 (ja) * 2004-06-28 2013-07-24 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Ｒｆ場で使用する送信線
US7777588B2 (en) * 2004-12-20 2010-08-17 Koninklijke Philips Electronics N.V. Transmission path for use in RF fields
EP1785739A1 (en) * 2005-11-14 2007-05-16 DKFZ Deutsches Krebsforschungszentrum An elongate, segmented, RF safe device for use with an MRI machine
US20070156042A1 (en) * 2005-12-30 2007-07-05 Orhan Unal Medical device system and method for tracking and visualizing a medical device system under MR guidance
US8457712B2 (en) * 2005-12-30 2013-06-04 Wisconsin Alumni Research Foundation Multi-mode medical device system and methods of manufacturing and using same
DE102006009040B4 (de) * 2006-02-27 2011-08-18 Siemens AG, 80333 Koaxialkabelanordnung und Testverfahren für eine Koaxialkabelanordnung
DE102006018158A1 (de) * 2006-04-19 2007-10-25 Siemens Ag Zylindrische Magnetresonanzantenne
US8532742B2 (en) * 2006-11-15 2013-09-10 Wisconsin Alumni Research Foundation System and method for simultaneous 3DPR device tracking and imaging under MR-guidance for therapeutic endovascular interventions
US20080183070A1 (en) * 2007-01-29 2008-07-31 Wisconsin Alumni Research Foundation Multi-mode medical device system with thermal ablation capability and methods of using same
US20080208039A1 (en) * 2007-02-28 2008-08-28 Wisconsin Alumni Research Foundation System and method of performing therapeutic endovascular interventions
EP2134413B1 (en) 2007-03-19 2016-09-21 Boston Scientific Neuromodulation Corporation Methods and apparatus for fabricating leads with conductors and related flexible lead configurations
AU2008229465B2 (en) 2007-03-19 2013-08-22 Boston Scientific Neuromodulation Corporation MRI and RF compatible leads and related methods of operating and fabricating leads
DE102007026965A1 (de) 2007-06-12 2009-01-02 Siemens Ag Antennenarray
US9341689B2 (en) 2009-04-02 2016-05-17 Koninklijke Philips Electronics N.V. Devices and cabling for use in a multi-resonant magnetic resonance system
DE102009033084B3 (de) * 2009-07-14 2011-01-27 Siemens Aktiengesellschaft Verstimmbare Wellenleiterantenne
DE102010038722B4 (de) 2010-07-30 2012-10-31 Bruker Biospin Ag Modulare MRI Phased Array Antenne
DE102013201685B4 (de) * 2013-02-01 2019-04-04 Siemens Healthcare Gmbh Leiteranordnung mit dielektrischer Mantelwellensperre
GB2521398B (en) * 2013-12-18 2020-05-20 Roke Manor Res Limited Techniques for co-siting a metal detector with another detector
US10548532B2 (en) * 2014-11-12 2020-02-04 Shanghai United Imaging Healthcare Co., Ltd. Transport apparatus in medical system
DE102015203015B4 (de) * 2015-02-19 2018-12-27 Siemens Healthcare Gmbh MR-Spule
CA3103046A1 (en) 2018-06-17 2019-12-26 Skope Magnetic Resonance Technologies Ag Sheath wave barrier for magnetic resonance (mr) applications
EP3617730A1 (en) 2018-08-31 2020-03-04 Skope Magnetic Resonance Technologies AG Sheath wave barrier for magnetic resonance (mr) applications
EP3650878B1 (de) 2018-11-08 2025-02-12 Siemens Healthineers AG Lokalspule mit pilotton-sender

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3811983A1 (de) * 1988-04-11 1989-10-19 Siemens Ag Anordnung zum betrieb einer symmetrischen hochfrequenz-antenne

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3410204A1 (de) * 1984-03-20 1985-10-03 Siemens AG, 1000 Berlin und 8000 München Hochfrequenz-antenneneinrichtung in einer apparatur zur kernspintomographie und verfahren zum betrieb dieser einrichtung
DE3771630D1 (de) * 1986-09-22 1991-08-29 Siemens Ag Kernspin-resonanzgeraet zur ermittlung von spektren oder bildern eines untersuchungsobjektes.
DE3811986A1 (de) * 1988-04-11 1989-10-19 Siemens Ag Pi/2-leistungsteiler
DE4032707A1 (de) * 1990-10-15 1992-04-16 Siemens Ag Entstoerfilter fuer eine gradientenspule in einem kernspinresonanz-bildgeraet

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3811983A1 (de) * 1988-04-11 1989-10-19 Siemens Ag Anordnung zum betrieb einer symmetrischen hochfrequenz-antenne

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DE-Z.: W. Dürr, R. Oppelt, H. Siebold "Hochfre- quenzsysteme für die Kernspintomographie" in: ntz - Archiv Bd. 11, 1989, H. 5, S. 237 bis 242 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4238831A1 (de) * 1992-11-17 1994-05-19 Siemens Ag Hochfrequenzeinrichtung einer Anlage zur Kernspintomographie mit einer Oberflächenspule
DE4314338A1 (de) * 1993-04-30 1994-11-03 Siemens Ag Hochfrequenz-System einer Anlage zur Kernspintomographie mit Abschirmmitteln zu einer E-Feld-Begrenzung
US5410251A (en) * 1993-04-30 1995-04-25 Siemens Aktiengesellschaft High-frequency system for nuclear spin tomography with shield for delimitation of an electric field
DE4314338C2 (de) * 1993-04-30 1998-07-23 Siemens Ag Hochfrequenz-System einer Anlage zur Kernspintomographie mit Abschirmmitteln zu einer E-Feld-Begrenzung
DE4322352A1 (de) * 1993-07-05 1995-01-19 Siemens Ag Hochfrequenz-System einer Anlage zur Kernspintomographie mit einer galvanisch entkoppelten Lokalspuleneinrichtung
US5473252A (en) * 1993-07-05 1995-12-05 Siemens Aktiengesellschaft High-frequency apparatus for nuclear spin tomography

Also Published As

Publication number Publication date
JPH05180920A (ja) 1993-07-23
DE4113120C2 (https=) 1993-09-23
JP3205385B2 (ja) 2001-09-04
US5294886A (en) 1994-03-15

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee