BR112019006953A2 - bobina de radiofrequência, disposição de radiofrequência, e sistema de imageamento por ressonância magnética - Google Patents

bobina de radiofrequência, disposição de radiofrequência, e sistema de imageamento por ressonância magnética

Info

Publication number
BR112019006953A2
BR112019006953A2 BR112019006953A BR112019006953A BR112019006953A2 BR 112019006953 A2 BR112019006953 A2 BR 112019006953A2 BR 112019006953 A BR112019006953 A BR 112019006953A BR 112019006953 A BR112019006953 A BR 112019006953A BR 112019006953 A2 BR112019006953 A2 BR 112019006953A2
Authority
BR
Brazil
Prior art keywords
radio frequency
coil
imaging system
magnetic resonance
resonance imaging
Prior art date
Application number
BR112019006953A
Other languages
English (en)
Inventor
Leussler Christoph
Schmale Ingo
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 BR112019006953A2 publication Critical patent/BR112019006953A2/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
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/34007—Manufacture of RF coils, e.g. using printed circuit board technology; additional hardware for providing mechanical support to the RF coil assembly or to part thereof, e.g. a support for moving the coil assembly relative to the remainder of the MR system
    • 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
    • G01R33/34046—Volume type coils, e.g. bird-cage coils; Quadrature bird-cage coils; Circularly polarised coils
    • G01R33/34076—Birdcage coils
    • 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
    • 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)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Radiation-Therapy Devices (AREA)

Abstract

a presente invenção fornece uma bobina de radiofrequência (rf) (140) para uso em um sistema de imageamento por ressonância magnética (rm) (110), de modo que a bobina de rf (140) compreenda uma pci de bobina (200), múltiplos elementos condutivos (202) fornecidos na pci de bobina (200), múltiplas portas de alimentação (210) para a excitação dos múltiplos elementos condutivos (202), pelo menos uma porta de conexão (212) e múltiplas linhas de alimentação (214) conectando a pelo menos uma porta de conexão (212) às múltiplas portas de alimentação (210), de modo que as múltiplas linhas de alimentação (214) sejam fornecidas como linhas de alimentação coplanares, que são dispostas na pci de bobina (200). a presente invenção fornece adicionalmente uma disposição de radiofrequência (rf) (142) que compreende uma bobina de rf (140) conforme especificada acima e uma blindagem de rf (124). a presente invenção fornece também um sistema de imageamento por rm (110) que compreende a bobina de rf (140) acima descrita da disposição de rf acima (142).
BR112019006953A 2016-10-10 2017-10-09 bobina de radiofrequência, disposição de radiofrequência, e sistema de imageamento por ressonância magnética BR112019006953A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP16193034 2016-10-10
EP16200907 2016-11-28
PCT/EP2017/075672 WO2018069247A1 (en) 2016-10-10 2017-10-09 Co-planar rf coil feeding

Publications (1)

Publication Number Publication Date
BR112019006953A2 true BR112019006953A2 (pt) 2019-07-02

Family

ID=60001935

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112019006953A BR112019006953A2 (pt) 2016-10-10 2017-10-09 bobina de radiofrequência, disposição de radiofrequência, e sistema de imageamento por ressonância magnética

Country Status (7)

Country Link
US (1) US10877114B2 (pt)
EP (1) EP3523666B1 (pt)
JP (1) JP7036809B6 (pt)
CN (1) CN109804260B (pt)
BR (1) BR112019006953A2 (pt)
RU (1) RU2744714C2 (pt)
WO (1) WO2018069247A1 (pt)

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* Cited by examiner, † Cited by third party
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EP3761051A1 (de) 2019-07-04 2021-01-06 Siemens Healthcare GmbH Lokalspule mit segmentierter antennenvorrichtung
EP4042176A2 (en) 2019-10-08 2022-08-17 Hyperfine Operations, Inc. System and methods for detecting electromagnetic interference in patients during magnetic resonance imaging
KR102644728B1 (ko) * 2021-03-25 2024-03-11 가천대학교 산학협력단 자기공명영상용 마이크로스트립 유도결합형 가변형 rf 코일 장치
US20220349965A1 (en) * 2021-04-28 2022-11-03 Shanghai United Imaging Healthcare Co., Ltd. Coil assembly and magnetic resonance system

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EP1761791A2 (en) 2004-06-25 2007-03-14 Koninklijke Philips Electronics N.V. Integrated power supply for surface coils
JP4891921B2 (ja) 2004-12-22 2012-03-07 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 伝送ライン端部リングを備えたラジオ周波数コイル
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US8035384B2 (en) * 2008-10-23 2011-10-11 General Electric Company Hybrid birdcage-TEM radio frequency (RF) coil for multinuclear MRI/MRS
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Also Published As

Publication number Publication date
US10877114B2 (en) 2020-12-29
CN109804260A (zh) 2019-05-24
EP3523666A1 (en) 2019-08-14
US20190227133A1 (en) 2019-07-25
RU2019113759A3 (pt) 2021-01-15
RU2744714C2 (ru) 2021-03-15
JP2019532725A (ja) 2019-11-14
EP3523666B1 (en) 2022-04-27
WO2018069247A1 (en) 2018-04-19
CN109804260B (zh) 2021-09-28
JP7036809B2 (ja) 2022-03-15
RU2019113759A (ru) 2020-11-13
JP7036809B6 (ja) 2022-05-30

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Legal Events

Date Code Title Description
B350 Update of information on the portal [chapter 15.35 patent gazette]
B06W Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B11D Dismissal acc. art. 38, par 2 of ipl - failure to pay fee after grant in time