JP7232185B2 - 異なるmriモードのためのrfコイル装置及びrf遮蔽装置 - Google Patents

異なるmriモードのためのrfコイル装置及びrf遮蔽装置 Download PDF

Info

Publication number
JP7232185B2
JP7232185B2 JP2019533550A JP2019533550A JP7232185B2 JP 7232185 B2 JP7232185 B2 JP 7232185B2 JP 2019533550 A JP2019533550 A JP 2019533550A JP 2019533550 A JP2019533550 A JP 2019533550A JP 7232185 B2 JP7232185 B2 JP 7232185B2
Authority
JP
Japan
Prior art keywords
coil
coils
shielding
shield
pcb
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.)
Active
Application number
JP2019533550A
Other languages
English (en)
Japanese (ja)
Other versions
JP2020501808A (ja
JP2020501808A5 (https=
Inventor
クリストフ リュースラ
クリスチャン ファインデクリー
オリバー リップス
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.)
Koninklijke Philips NV
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 JP2020501808A publication Critical patent/JP2020501808A/ja
Publication of JP2020501808A5 publication Critical patent/JP2020501808A5/ja
Priority to JP2022072981A priority Critical patent/JP7271765B2/ja
Application granted granted Critical
Publication of JP7232185B2 publication Critical patent/JP7232185B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/42Screening
    • G01R33/422Screening of the radio frequency field
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/34007Manufacture 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/34046Volume type coils, e.g. bird-cage coils; Quadrature bird-cage coils; Circularly polarised coils
    • G01R33/34076Birdcage coils
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/345Constructional details, e.g. resonators, specially adapted to MR of waveguide type
    • G01R33/3453Transverse electromagnetic [TEM] coils
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00Coils
    • H01F5/003Printed circuit coils

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2019533550A 2016-12-22 2017-12-21 異なるmriモードのためのrfコイル装置及びrf遮蔽装置 Active JP7232185B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2022072981A JP7271765B2 (ja) 2016-12-22 2022-04-27 異なるmriモードのためのrfコイル装置及びrf遮蔽装置

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP16206076 2016-12-22
EP16206076.8 2016-12-22
PCT/EP2017/083987 WO2018115223A1 (en) 2016-12-22 2017-12-21 Rf coil device and rf shield device for different mri modes

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2022072981A Division JP7271765B2 (ja) 2016-12-22 2022-04-27 異なるmriモードのためのrfコイル装置及びrf遮蔽装置

Publications (3)

Publication Number Publication Date
JP2020501808A JP2020501808A (ja) 2020-01-23
JP2020501808A5 JP2020501808A5 (https=) 2021-02-04
JP7232185B2 true JP7232185B2 (ja) 2023-03-02

Family

ID=57588871

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2019533550A Active JP7232185B2 (ja) 2016-12-22 2017-12-21 異なるmriモードのためのrfコイル装置及びrf遮蔽装置
JP2022072981A Active JP7271765B2 (ja) 2016-12-22 2022-04-27 異なるmriモードのためのrfコイル装置及びrf遮蔽装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2022072981A Active JP7271765B2 (ja) 2016-12-22 2022-04-27 異なるmriモードのためのrfコイル装置及びrf遮蔽装置

Country Status (5)

Country Link
US (1) US11402450B2 (https=)
EP (1) EP3559690B1 (https=)
JP (2) JP7232185B2 (https=)
CN (1) CN110312942B (https=)
WO (1) WO2018115223A1 (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11451093B2 (en) * 2017-09-05 2022-09-20 University Of Florida Research Foundation, Incorporated Wireless power transfer to biomedical implants
US11219384B2 (en) * 2019-10-08 2022-01-11 Trustees Of Boston University Nonlinear and smart metamaterials useful to change resonance frequencies
CN119493061A (zh) * 2021-03-04 2025-02-21 皇家飞利浦有限公司 射频屏蔽件
CN113109748A (zh) * 2021-05-08 2021-07-13 苏州众志医疗科技有限公司 用于磁共振成像的射频装置和磁共振成像系统
CN216434341U (zh) * 2021-09-26 2022-05-03 深圳市联影高端医疗装备创新研究院 一种射频线圈
JP2023154967A (ja) * 2022-04-08 2023-10-20 キヤノンメディカルシステムズ株式会社 アレイコイル及び製造方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010035504A1 (en) 2000-04-05 2001-11-01 The University Of Washington Capacitive shield for containing radiofrequency magnetic fields
WO2004060156A1 (ja) 2002-12-27 2004-07-22 Hitachi Medical Corporation 磁気共鳴イメージング装置
US20130082709A1 (en) 2011-09-30 2013-04-04 Agilent Technologies, Inc. Parallel magnetic resonance imaging using global volume array coil

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4642569A (en) 1983-12-16 1987-02-10 General Electric Company Shield for decoupling RF and gradient coils in an NMR apparatus
DE3347597A1 (de) * 1983-12-30 1985-07-18 Philips Patentverwaltung Gmbh, 2000 Hamburg Hochfrequenz-spulenanordnung zum erzeugen und/oder empfangen von wechselmagnetfeldern
US4638253A (en) 1984-10-29 1987-01-20 General Electric Company Mutual inductance NMR RF coil matching device
US5243286A (en) * 1990-06-06 1993-09-07 Advanced Nmr Systems, Inc. Split shield for magnetic resonance imaging
US5680046A (en) 1994-08-05 1997-10-21 General Electric Company Double-sided RF shield for RF coil contained within gradient coils used in high speed NMR imaging
GB9511101D0 (en) 1995-06-01 1995-07-26 British Tech Group Magnetic coil
US6344745B1 (en) 1998-11-25 2002-02-05 Medrad, Inc. Tapered birdcage resonator for improved homogeneity in MRI
US6420871B1 (en) * 2001-03-02 2002-07-16 Varian, Inc. Multiple tuned birdcage coils
US7233147B2 (en) * 2001-07-20 2007-06-19 Invivo Corporation Method and apparatus for magnetic resonance imaging incorporating a spiral coil
US6791328B1 (en) * 2003-06-06 2004-09-14 General Electric Company Method and apparatus for very high field magnetic resonance imaging systems
EP1687651A1 (en) 2003-11-18 2006-08-09 Koninklijke Philips Electronics N.V. Hybrid tem/birdcage coil for mri
JP3699968B2 (ja) * 2003-12-17 2005-09-28 株式会社東芝 多重同調rfコイル
EP1797444A1 (en) 2004-10-07 2007-06-20 Invivo Corporation Method and apparatus for discrete shielding of volume rf coil arrays
EP1831709B1 (en) 2004-12-22 2017-03-22 Koninklijke Philips N.V. Radio frequency coil with transmission line end-rings
JP2009508555A (ja) * 2005-09-20 2009-03-05 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 Mriで使用されるラジオ周波数コイル用rfトラップ
US7642782B2 (en) * 2005-10-27 2010-01-05 Koninklijke Philips Electronics N.V. Active decoupling of transmitters in MRI
WO2007108914A2 (en) 2006-03-15 2007-09-27 Albert Einstein College Of Medicine Of Yeshiva University Surface coil arrays for simultaneous reception and transmission with a volume coil and uses thereof
EP2117427B1 (en) * 2007-01-11 2016-11-30 Koninklijke Philips N.V. Pet/mr scanners for simultaneous pet and mr imaging
JP5276023B2 (ja) * 2007-02-26 2013-08-28 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 高磁場磁気共鳴適用のための正弦的に共鳴する無線周波ボリューム・コイル
US7501828B1 (en) * 2007-12-19 2009-03-10 Varian, Inc. Switchable birdcage coil
CN201190978Y (zh) 2008-03-25 2009-02-04 王保亮 背光光源模组
EP2265968A1 (en) 2008-04-09 2010-12-29 Koninklijke Philips Electronics N.V. Double layer multi element rf strip coil array for sar reduced high field mr
US7936170B2 (en) * 2008-08-08 2011-05-03 General Electric Co. RF coil and apparatus to reduce acoustic noise in an MRI system
US8026721B2 (en) * 2009-02-25 2011-09-27 Siemens Aktiengesellschaft Remote body arrays for high-performance magnetic resonance imaging and spectroscopy
CA3090069C (en) 2009-07-15 2024-05-07 Viewray Technologies, Inc. Method and apparatus for shielding a linear accelerator and a magnetic resonance imaging device from each other
CN204394509U (zh) 2011-11-01 2015-06-17 株式会社日立医疗器械 磁共振成像装置以及天线装置
EP2672286A1 (en) 2012-06-05 2013-12-11 Koninklijke Philips N.V. TEM resonator system especially for use in an MRI system
WO2014064573A1 (en) 2012-10-25 2014-05-01 Koninklijke Philips N.V. Radio frequency (rf) birdcage coil with separately controlled ring members and rungs for use in a magnetic resonance (mr) imaging system
US11193992B2 (en) * 2017-05-05 2021-12-07 Quality Electrodynamics, Llc Single layer magnetic resonance imaging (MRI) transmit/receive (Tx/Rx) radio frequency (RF) coil with induced current failsafe protection

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010035504A1 (en) 2000-04-05 2001-11-01 The University Of Washington Capacitive shield for containing radiofrequency magnetic fields
WO2004060156A1 (ja) 2002-12-27 2004-07-22 Hitachi Medical Corporation 磁気共鳴イメージング装置
US20130082709A1 (en) 2011-09-30 2013-04-04 Agilent Technologies, Inc. Parallel magnetic resonance imaging using global volume array coil

Also Published As

Publication number Publication date
EP3559690A1 (en) 2019-10-30
JP7271765B2 (ja) 2023-05-11
CN110312942B (zh) 2022-09-06
WO2018115223A1 (en) 2018-06-28
US20190317164A1 (en) 2019-10-17
JP2020501808A (ja) 2020-01-23
US11402450B2 (en) 2022-08-02
CN110312942A (zh) 2019-10-08
JP2022115899A (ja) 2022-08-09
EP3559690B1 (en) 2021-08-18

Similar Documents

Publication Publication Date Title
JP7271765B2 (ja) 異なるmriモードのためのrfコイル装置及びrf遮蔽装置
US7495443B2 (en) RF coil system for super high field (SHF) MRI
US7268554B2 (en) RF coil for imaging system
US6885194B2 (en) Method and apparatus for minimizing gradient coil and rf coil coupling
US5574372A (en) Diagnostic magnetic resonance apparatus having a radio frequency shield between the radio frequency antenna and the gradient coil system
US20080191699A1 (en) Rf Traps for Radio Frequency Coils Used in Mri
US5144241A (en) Circularly polarizing rf antenna for an mri apparatus having a c-magnet
JP2011505956A (ja) エンドリングモードを供給するのに適した二重同調ボリュームコイル
Avdievich et al. Bent folded‐end dipole head array for ultrahigh‐field MRI turns “dielectric resonance” from an enemy to a friend
Avdievich et al. Folded‐end dipole transceiver array for human whole‐brain imaging at 7 T
Hoffmann et al. Human brain imaging at 9.4 T using a tunable patch antenna for transmission
US8179137B2 (en) Magnetic resonance compatible multichannel stripline balun
Woo et al. Extended monopole antenna array with individual shield (EMAS) coil: An improved monopole antenna design for brain imaging at 7 tesla MRI
Puchnin et al. Imaging Capabilities of the ¹H-X-Nucleus Metamaterial-Inspired Multinuclear RF-Coil
EP3652553B1 (en) Passive rf shim resonator for field homogenization of an rf antenna device for tx and rx modes
US8598877B2 (en) System and method for coil disabling in magnetic resonance imaging
JP2008532609A (ja) 超短mriボディコイル
CN1616984B (zh) 磁共振装置
US12504490B2 (en) Detector unit for a magnetic resonance device with gradient coil unit, shim unit, and radio-frequency antenna unit
Egorova et al. A Bore-Integrated Patch Antenna Array for Whole-Body Excitation in Ultra-High-Field Magnetic Resonance Imaging
RU2778634C2 (ru) Пассивный радиочастотный шиммирующий резонатор для гомогенизации поля радиочастотного антенного устройства для режима передачи и режима приема

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20201218

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20201218

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20211020

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20211029

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20220120

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220427

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20220819

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20221205

C60 Trial request (containing other claim documents, opposition documents)

Free format text: JAPANESE INTERMEDIATE CODE: C60

Effective date: 20221205

A911 Transfer to examiner for re-examination before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20221213

C21 Notice of transfer of a case for reconsideration by examiners before appeal proceedings

Free format text: JAPANESE INTERMEDIATE CODE: C21

Effective date: 20221223

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20230120

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20230217

R150 Certificate of patent or registration of utility model

Ref document number: 7232185

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250