CN1575751A - 在位置可变的mri线圈上自动保持环路隔离的方法和设备 - Google Patents

在位置可变的mri线圈上自动保持环路隔离的方法和设备 Download PDF

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Publication number
CN1575751A
CN1575751A CNA2004100638076A CN200410063807A CN1575751A CN 1575751 A CN1575751 A CN 1575751A CN A2004100638076 A CNA2004100638076 A CN A2004100638076A CN 200410063807 A CN200410063807 A CN 200410063807A CN 1575751 A CN1575751 A CN 1575751A
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CN
China
Prior art keywords
coil
mutual inductance
assembly
loop
electrical inductor
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.)
Pending
Application number
CNA2004100638076A
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English (en)
Chinese (zh)
Inventor
S·C·达维斯
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.)
GE Medical Systems Global Technology Co LLC
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GE Medical Systems Global Technology Co LLC
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 GE Medical Systems Global Technology Co LLC filed Critical GE Medical Systems Global Technology Co LLC
Publication of CN1575751A publication Critical patent/CN1575751A/zh
Pending legal-status Critical Current

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    • 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

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CNA2004100638076A 2003-07-09 2004-07-09 在位置可变的mri线圈上自动保持环路隔离的方法和设备 Pending CN1575751A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/604299 2003-07-09
US10/604,299 US6919723B2 (en) 2003-07-09 2003-07-09 Method and apparatus to automatically maintain loop isolation in position variant MRI coils

Publications (1)

Publication Number Publication Date
CN1575751A true CN1575751A (zh) 2005-02-09

Family

ID=33564160

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2004100638076A Pending CN1575751A (zh) 2003-07-09 2004-07-09 在位置可变的mri线圈上自动保持环路隔离的方法和设备

Country Status (4)

Country Link
US (1) US6919723B2 (enExample)
JP (1) JP2005028141A (enExample)
CN (1) CN1575751A (enExample)
DE (1) DE102004033253A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105637353A (zh) * 2013-08-09 2016-06-01 普拉德研究及开发股份有限公司 磁共振发射器

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10114013B4 (de) * 2001-03-22 2005-06-23 Siemens Ag Magnetresonanzanlage
KR100773079B1 (ko) * 2005-06-03 2007-11-06 두영전자 주식회사 지연 소등 기능을 갖는 전자식 안정기
CN109952516B (zh) 2016-11-23 2020-12-08 通用电气公司 用于mr成像的射频线圈系统
EP3544500B1 (en) 2016-11-23 2023-09-06 General Electric Company Radio frequency coil array for a magnetic resonance imaging system
JP7086956B2 (ja) 2016-11-23 2022-06-20 ゼネラル・エレクトリック・カンパニイ Ｍｒイメージング用の無線周波数コイルのシステム
US11567153B2 (en) 2016-11-23 2023-01-31 General Electric Company Systems for a radio frequency coil for MR imaging
EP3544498B1 (en) 2016-11-23 2025-01-01 General Electric Company Conforming posterior radio frequency coil array for a magnetic resonance imaging system
WO2018097865A1 (en) 2016-11-25 2018-05-31 General Electric Company A radio frequency head coil for a magnetic resonance imaging system and methods thereof
US10921399B2 (en) * 2017-11-22 2021-02-16 GE Precision Healthcare LLC Radio frequency (RF) coil array for a magnetic resonance imaging (MRI) system for use in interventional and surgical procedures
US11011303B2 (en) * 2018-08-21 2021-05-18 Globalfoundries U.S. Inc. Dummy fill with eddy current self-canceling element for inductor component
EP3709040B1 (de) * 2019-03-13 2025-04-30 Siemens Healthineers AG Verfahren zum betrieb einer magnetfeldkamera
JP2024065663A (ja) * 2022-10-31 2024-05-15 富士フイルムヘルスケア株式会社 高周波コイル装置及びそれを用いた磁気共鳴イメージング装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4825162A (en) * 1987-12-07 1989-04-25 General Electric Company Nuclear magnetic resonance (NMR) imaging with multiple surface coils
US5243289A (en) * 1991-08-09 1993-09-07 The Trustees Of The University Of Pennsylvania Multiply-tuned probe for magnetic resonance imaging or spectroscopy
US5302901A (en) * 1991-08-26 1994-04-12 U.S. Philips Corporation Magnetic resonance apparatus comprising decoupled receiver coils
JP3216938B2 (ja) * 1993-06-08 2001-10-09 株式会社日立製作所 Ｍｒｉ用ｒｆプローブ及び磁気共鳴撮影装置
GB9508635D0 (en) * 1995-04-28 1995-06-14 Mansfield Peter Method and apparatus for elimination of mutual coupling in magnetic coils
US5804969A (en) * 1995-07-28 1998-09-08 Advanced Mammography Systems, Inc. MRI RF coil
US5578925A (en) * 1995-08-18 1996-11-26 Picker International, Inc. Vertical field quadrature phased array coil system
US5757189A (en) * 1996-11-27 1998-05-26 Picker International, Inc. Arbitrary placement multimode coil system for MR imaging
US6169401B1 (en) * 1998-11-25 2001-01-02 Picker International, Inc. Flexible open quadrature highpass ladder structure RF surface coil in magnetic resonance imaging
US6441615B1 (en) * 1999-12-28 2002-08-27 Koninklijke Philips Electronics, Nv Crossed-ladder RF coils for vertical field MRI systems
US6534983B1 (en) * 2000-12-29 2003-03-18 Ge Medical Systems Global Technology Company, Llc Multi-channel phased array coils having minimum mutual inductance for magnetic resonance systems
US6590392B2 (en) * 2001-04-17 2003-07-08 Ge Medical Systems Global Technology Co., Llc Switchable FOV coil assembly having end saddle coils

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105637353A (zh) * 2013-08-09 2016-06-01 普拉德研究及开发股份有限公司 磁共振发射器

Also Published As

Publication number Publication date
DE102004033253A1 (de) 2005-02-03
US6919723B2 (en) 2005-07-19
JP2005028141A (ja) 2005-02-03
US20050007116A1 (en) 2005-01-13

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WD01 Invention patent application deemed withdrawn after publication