JP6944521B2 - 核磁気共鳴法によって画像を撮影するためのダイポールアンテナ装置 - Google Patents

核磁気共鳴法によって画像を撮影するためのダイポールアンテナ装置 Download PDF

Info

Publication number
JP6944521B2
JP6944521B2 JP2019525792A JP2019525792A JP6944521B2 JP 6944521 B2 JP6944521 B2 JP 6944521B2 JP 2019525792 A JP2019525792 A JP 2019525792A JP 2019525792 A JP2019525792 A JP 2019525792A JP 6944521 B2 JP6944521 B2 JP 6944521B2
Authority
JP
Japan
Prior art keywords
dipole antenna
dipole
antenna device
antennas
intersection
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 - Fee Related
Application number
JP2019525792A
Other languages
English (en)
Japanese (ja)
Other versions
JP2020501636A5 (https=
JP2020501636A (ja
Inventor
フェルダー・イェルク
ホン・スクミン
シャー・ナディム・ヨーニ
マギル・アルトゥル・ヴィリアム
Original Assignee
フォルシュングスツェントルム・ユーリッヒ・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング
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 フォルシュングスツェントルム・ユーリッヒ・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング filed Critical フォルシュングスツェントルム・ユーリッヒ・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング
Publication of JP2020501636A publication Critical patent/JP2020501636A/ja
Publication of JP2020501636A5 publication Critical patent/JP2020501636A5/ja
Application granted granted Critical
Publication of JP6944521B2 publication Critical patent/JP6944521B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • G01R33/34038—Loopless coils, i.e. linear wire antennas
    • 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
    • G01R33/365—Decoupling of multiple RF coils wherein the multiple RF coils have the same function in MR, e.g. decoupling of a receive coil from another receive coil in a receive coil array, decoupling of a transmission coil from another transmission coil in a transmission coil array
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/273—Adaptation for carrying or wearing by persons or animals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/20—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
    • H01Q21/205—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path providing an omnidirectional coverage
    • 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
    • G01R33/3628—Tuning/matching of the transmit/receive coil
    • G01R33/3635—Multi-frequency operation
    • 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
    • G01R33/3678—Electrical details, e.g. matching or coupling of the coil to the receiver involving quadrature drive or detection, e.g. a circularly polarized RF magnetic field
    • 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
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/4806—Functional imaging of brain activation
    • 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
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/4808—Multimodal MR, e.g. MR combined with positron emission tomography [PET], MR combined with ultrasound or MR combined with computed tomography [CT]
    • G01R33/481—MR combined with positron emission tomography [PET] or single photon emission computed tomography [SPECT]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2019525792A 2016-12-15 2017-11-24 核磁気共鳴法によって画像を撮影するためのダイポールアンテナ装置 Expired - Fee Related JP6944521B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102016014978.7 2016-12-15
DE102016014978.7A DE102016014978A1 (de) 2016-12-15 2016-12-15 Dipolantennenanordnung für die Aufnahme von Bildern mit kernmagnetischen Resonanzmethoden
PCT/DE2017/000402 WO2018108193A1 (de) 2016-12-15 2017-11-24 Dipolantennenanordnung für die aufnahme von bildern mit kernmagnetischen resonanzmethoden

Publications (3)

Publication Number Publication Date
JP2020501636A JP2020501636A (ja) 2020-01-23
JP2020501636A5 JP2020501636A5 (https=) 2021-08-12
JP6944521B2 true JP6944521B2 (ja) 2021-10-06

Family

ID=60629376

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019525792A Expired - Fee Related JP6944521B2 (ja) 2016-12-15 2017-11-24 核磁気共鳴法によって画像を撮影するためのダイポールアンテナ装置

Country Status (6)

Country Link
US (1) US11054491B2 (https=)
EP (1) EP3555648B1 (https=)
JP (1) JP6944521B2 (https=)
CN (1) CN110235013B (https=)
DE (1) DE102016014978A1 (https=)
WO (1) WO2018108193A1 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102297057B1 (ko) * 2019-06-17 2021-09-06 가천대학교 산학협력단 자기공명영상을 위한 모노-다이폴 교배 배열 안테나 rf 코일
US20210124001A1 (en) * 2019-10-25 2021-04-29 Hyperfine Research, Inc. Systems and methods for detecting patient motion during magnetic resonance imaging
KR102276107B1 (ko) * 2019-11-14 2021-07-13 가천대학교 산학협력단 새장형 코일과 다이폴 안테나 조합을 기반으로 하는 자기공명영상용 rf 코일
CN112986881B (zh) * 2019-12-17 2022-12-20 上海联影医疗科技股份有限公司 磁共振系统校准方法、成像方法以及磁共振系统
CN113253174B (zh) * 2021-05-13 2023-06-16 上海联影医疗科技股份有限公司 接收天线组件及磁共振装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5602479A (en) * 1995-08-08 1997-02-11 Picker International, Inc. Quadrature radio frequency coil for magnetic resonance imaging
EP1624314A1 (de) 2004-08-05 2006-02-08 Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V. Helmförmige TEM-Antenne für Magnetresonanzmessungen
WO2008088984A2 (en) * 2007-01-11 2008-07-24 University Of Pittsburgh - Of The Commonwealth System Of Higher Education Transponder networks and transponder systems employing a touch probe reader device
EP2283375B1 (en) 2008-04-18 2014-11-12 Eidgenössische Technische Hochschule (ETH) Travelling-wave nuclear magnetic resonance method
CN102176856B (zh) 2008-10-14 2013-11-06 奥林巴斯医疗株式会社 医疗系统
GB2469159B (en) * 2009-04-03 2011-12-21 Siemens Ag Upconverter
DE102009025716A1 (de) 2009-06-20 2010-12-30 Forschungszentrum Jülich GmbH Messinstrument, elektrische Widerstandselemente und Messsystem zur Messung zeitveränderlicher magnetischer Felder oder Feldgradienten
US20140240188A1 (en) 2013-02-26 2014-08-28 Galtronics Corporation Ltd. Dual-polarized dipole antenna and cruciform coupling element therefore
DE102013012295A1 (de) * 2013-07-24 2015-01-29 Kathrein-Werke Kg Antenne für Dual- oder Multiband-Betrieb
CN204407506U (zh) * 2015-02-04 2015-06-17 常熟泓淋电子有限公司 混合式辐射体天线结构

Also Published As

Publication number Publication date
JP2020501636A (ja) 2020-01-23
DE102016014978A1 (de) 2018-06-21
WO2018108193A1 (de) 2018-06-21
CN110235013A (zh) 2019-09-13
EP3555648B1 (de) 2020-09-16
US20200072919A1 (en) 2020-03-05
CN110235013B (zh) 2021-10-29
EP3555648A1 (de) 2019-10-23
US11054491B2 (en) 2021-07-06

Similar Documents

Publication Publication Date Title
JP6944521B2 (ja) 核磁気共鳴法によって画像を撮影するためのダイポールアンテナ装置
US5602479A (en) Quadrature radio frequency coil for magnetic resonance imaging
US20120323113A1 (en) Local shim coil within a local coil for local b0 homogenization in an mrt examination
JP2020501636A5 (https=)
US7109712B2 (en) Method and apparatus for minimizing gradient coil and rf coil coupling
CN111904420B (zh) 磁共振断层扫描系统
CN105717470B (zh) 磁共振局部线圈系统,磁共振系统及其运行方法
EP3318188B1 (en) Magnetic resonance imaging machine
JP2003038459A (ja) Ｍｒ装置用のｒｆコイルシステム
US11808829B2 (en) Slotted waveguide array RF coil for magnetic resonance systems
RU2597068C2 (ru) Поперечно-электромагнитная (пэм) радиочастотная катушка для магнитного резонанса
US11112471B2 (en) Inductively feeding an RF coil for magnetic resonance imaging
CN115128531A (zh) 具有弯曲场产生单元的磁共振成像设备
US10473736B2 (en) Subject-loaded helical-antenna radio-frequency coil for magnetic resonance imaging
JP7216252B2 (ja) 複数の独立送受信チャネルを有する磁気共鳴ボリュームコイル
JP6901483B2 (ja) 磁気共鳴検査システム用の無線周波数コイルアレイ
JP5069471B2 (ja) オープンｍｒｉシステムのための平面ｒｆ共鳴器
US20130063145A1 (en) Apparatus, systems and methods for facilitating signal excitation and/or reception in a magnetic resonance system
KR101856376B1 (ko) 자기공명영상용 다채널 헬름홀츠 코일 및 자기공명영상 시스템
JP2005506167A (ja) ２つの平行な端部導体を持つ無線周波数コイル
CN114280515B (zh) 高频线圈单元以及磁共振成像装置
Ilić et al. RF excitation in 7 Tesla MRI systems using monofilar axial-mode helical antenna
KR20210068998A (ko) 고주파 몸통 코일의 자장 균일도 및 효율 향상을 위한 타원형의 새장 몸통 형상을 갖는 자기공명영상 획득 장치
US20030085789A1 (en) Gradient coil for a magnetic resonance tomography apparatus, and method for producing same

Legal Events

Date Code Title Description
RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20200703

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20200713

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20210324

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20210407

A524 Written submission of copy of amendment under article 19 pct

Free format text: JAPANESE INTERMEDIATE CODE: A524

Effective date: 20210702

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20210705

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: 20210818

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20210910

R150 Certificate of patent or registration of utility model

Ref document number: 6944521

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

LAPS Cancellation because of no payment of annual fees