BR112015014309A2 - contentor de ressonância, e, sistema de exame por ressonância magnética - Google Patents

contentor de ressonância, e, sistema de exame por ressonância magnética

Info

Publication number
BR112015014309A2
BR112015014309A2 BR112015014309A BR112015014309A BR112015014309A2 BR 112015014309 A2 BR112015014309 A2 BR 112015014309A2 BR 112015014309 A BR112015014309 A BR 112015014309A BR 112015014309 A BR112015014309 A BR 112015014309A BR 112015014309 A2 BR112015014309 A2 BR 112015014309A2
Authority
BR
Brazil
Prior art keywords
resonance
container
examination system
wall
magnetic resonance
Prior art date
Application number
BR112015014309A
Other languages
English (en)
Inventor
Cornelis Van Leeuwen Laurens
Original Assignee
Koninklijke Philips Nv
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 Koninklijke Philips Nv filed Critical Koninklijke Philips Nv
Publication of BR112015014309A2 publication Critical patent/BR112015014309A2/pt

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
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/345—Constructional details, e.g. resonators, specially adapted to MR of waveguide type
    • G01R33/3453—Transverse electromagnetic [TEM] coils
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/201—Filters for transverse electromagnetic waves
    • H01P1/202—Coaxial filters

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)

Abstract

resumo contentor de ressonância, e, sistema de exame por ressonância magnética trata-se de um contentor de ressonância que compreende um corpo cilíndrico oco, sendo que seu interior forma um canal axial. um condutor interno é fornecido na parede interna do corpo cilíndrico oco e um condutor externo é fornecido na parede externa do corpo cilíndrico oco. um carreador na forma de um anel resiliente ou uma placa axial é fixado à parede interna do canal axial e um capacitor de sintonização é montado ao carreador. 1/1
BR112015014309A 2012-12-20 2013-12-13 contentor de ressonância, e, sistema de exame por ressonância magnética BR112015014309A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261739901P 2012-12-20 2012-12-20
US201361774218P 2013-03-07 2013-03-07
PCT/IB2013/060929 WO2014097095A1 (en) 2012-12-20 2013-12-13 Resonant trap with axial channel

Publications (1)

Publication Number Publication Date
BR112015014309A2 true BR112015014309A2 (pt) 2017-07-11

Family

ID=50001062

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112015014309A BR112015014309A2 (pt) 2012-12-20 2013-12-13 contentor de ressonância, e, sistema de exame por ressonância magnética

Country Status (7)

Country Link
US (1) US10156618B2 (pt)
EP (1) EP2936185B1 (pt)
JP (1) JP6391590B2 (pt)
CN (1) CN104937433B (pt)
BR (1) BR112015014309A2 (pt)
RU (1) RU2654920C2 (pt)
WO (1) WO2014097095A1 (pt)

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS605602A (ja) * 1983-06-23 1985-01-12 Murata Mfg Co Ltd 非対称トラツプ
JPH04121101A (ja) 1990-09-10 1992-04-22 Ueda Noki Kk 自走式エアレータ
JP2539828Y2 (ja) * 1991-04-12 1997-07-02 株式会社村田製作所 誘電体フィルタ
JPH0529818A (ja) * 1991-07-19 1993-02-05 Matsushita Electric Ind Co Ltd Ｔｅｍモード共振器
JPH08167806A (ja) * 1994-12-13 1996-06-25 Sumitomo Metal Ind Ltd コンデンサ内蔵型同軸共振器
US6727698B1 (en) * 1999-12-17 2004-04-27 Fonar Corporation MRI antennas including electrically connected inner and outer conductors, and MRI systems including such antennas
CN1555493A (zh) * 2001-09-14 2004-12-15 皇家飞利浦电子股份有限公司 用于抑制电磁耦合现象的装置
JP4156512B2 (ja) * 2001-09-14 2008-09-24 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 電磁結合現象を抑制するための装置
US6662760B1 (en) 2002-10-17 2003-12-16 Southwest Research Institute Method and apparatus for controlling combustion timing in an homogenous-charge compression-ignition engine
JP4239676B2 (ja) 2003-05-15 2009-03-18 信越半導体株式会社 Ｓｏｉウェーハおよびその製造方法
US7456716B2 (en) * 2003-12-24 2008-11-25 Agere Systems Inc. Electrical devices having adjustable electrical characteristics
DE102004013424B4 (de) * 2004-03-18 2007-11-22 Siemens Ag Mantelwellensperre
DE102005034914B4 (de) * 2005-07-26 2009-07-30 Siemens Ag Zuleitung für eine Lokalspule
DE102008063458B4 (de) 2008-12-17 2012-03-15 Siemens Aktiengesellschaft Mantelwellensperre, Magnetresonanztomographie-Einrichtung mit Mantelwellensperre und Verwendung der Mantelwellensperre in einer solchen Einrichtung
US8378681B2 (en) * 2009-12-16 2013-02-19 General Electric Company Multiple-frequency RF trap and MRI system
JP2011172647A (ja) * 2010-02-23 2011-09-08 Toshiba Corp 磁気共鳴イメージング装置及び高周波コイル

Also Published As

Publication number Publication date
RU2015129531A (ru) 2017-01-23
EP2936185A1 (en) 2015-10-28
RU2654920C2 (ru) 2018-05-23
WO2014097095A1 (en) 2014-06-26
US20150323625A1 (en) 2015-11-12
JP2016504107A (ja) 2016-02-12
JP6391590B2 (ja) 2018-09-19
US10156618B2 (en) 2018-12-18
CN104937433B (zh) 2018-12-11
EP2936185B1 (en) 2023-02-08
CN104937433A (zh) 2015-09-23

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements