HK1200684A1 - Mr active tracking system mr - Google Patents

Mr active tracking system mr

Info

Publication number
HK1200684A1
HK1200684A1 HK15101286.4A HK15101286A HK1200684A1 HK 1200684 A1 HK1200684 A1 HK 1200684A1 HK 15101286 A HK15101286 A HK 15101286A HK 1200684 A1 HK1200684 A1 HK 1200684A1
Authority
HK
Hong Kong
Prior art keywords
tracking system
active tracking
active
tracking
Prior art date
Application number
HK15101286.4A
Other languages
English (en)
Chinese (zh)
Inventor
Steven R Wedan
Thomas W Lloyd
Gregg S Stenzel
Original Assignee
Imricor Medical Systems Inc
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 Imricor Medical Systems Inc filed Critical Imricor Medical Systems Inc
Publication of HK1200684A1 publication Critical patent/HK1200684A1/xx

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
    • 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
    • G01R33/285—Invasive instruments, e.g. catheters or biopsy needles, specially adapted for tracking, guiding or visualization by NMR
    • G01R33/287—Invasive instruments, e.g. catheters or biopsy needles, specially adapted for tracking, guiding or visualization by NMR involving active visualization of interventional instruments, e.g. using active tracking RF coils or coils for intentionally creating magnetic field inhomogeneities
    • 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
    • G01R33/288—Provisions within MR facilities for enhancing safety during MR, e.g. reduction of the specific absorption rate [SAR], detection of ferromagnetic objects in the scanner room
    • 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
    • G01R33/3692—Electrical details, e.g. matching or coupling of the coil to the receiver involving signal transmission without using electrically conductive connections, e.g. wireless communication or optical communication of the MR signal or an auxiliary signal other than the MR signal
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves  involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
HK15101286.4A 2011-12-15 2015-02-05 Mr active tracking system mr HK1200684A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161576180P 2011-12-15 2011-12-15
PCT/US2012/069513 WO2013090577A1 (en) 2011-12-15 2012-12-13 Mr active tracking system

Publications (1)

Publication Number Publication Date
HK1200684A1 true HK1200684A1 (en) 2015-08-14

Family

ID=48613173

Family Applications (1)

Application Number Title Priority Date Filing Date
HK15101286.4A HK1200684A1 (en) 2011-12-15 2015-02-05 Mr active tracking system mr

Country Status (8)

Country Link
US (1) US20140132267A1 (xx)
EP (1) EP2790577B1 (xx)
KR (1) KR101610567B1 (xx)
CN (1) CN105228520B (xx)
AU (1) AU2012352197B2 (xx)
CA (1) CA2860846C (xx)
HK (1) HK1200684A1 (xx)
WO (1) WO2013090577A1 (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010102119A1 (en) * 2009-03-04 2010-09-10 Imricor Medical Systems, Inc. Combined field location and mri tracking
CN107529989B (zh) * 2015-04-14 2023-08-04 皇家飞利浦有限公司 血管内装置、系统和形成方法
TWI667487B (zh) 2016-09-29 2019-08-01 美商超精細研究股份有限公司 射頻線圈調諧方法及裝置

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3168675B2 (ja) * 1992-03-19 2001-05-21 株式会社日立製作所 核磁気共鳴検査装置
US5268634A (en) * 1992-04-07 1993-12-07 Control Methods, Inc. Electro-optical control system
US6025717A (en) * 1997-06-23 2000-02-15 Fonar Corporation Diagnostic simulator for MRI
US6051974A (en) * 1997-11-26 2000-04-18 Picker International, Inc. MRI endocavitary coils and decontamination
US6856494B2 (en) * 2000-03-24 2005-02-15 Alps Electric Co., Ltd. Spin-valve type thin film magnetic element having bias layers and ferromagnetic layers
DE10148467B4 (de) * 2001-10-01 2006-03-16 Siemens Ag Spulenanordnung für eine Magnetresonanzanlage, hiermit korrespondierende Empfangsschaltung und entsprechende Magnetresonanzanlage
EP1458287A1 (en) * 2001-12-18 2004-09-22 MRI Devices Corporation Method and apparatus for noise tomography
US6925322B2 (en) * 2002-07-25 2005-08-02 Biophan Technologies, Inc. Optical MRI catheter system
US20050251031A1 (en) * 2004-05-06 2005-11-10 Scimed Life Systems, Inc. Apparatus and construction for intravascular device
US7309989B2 (en) * 2005-04-06 2007-12-18 General Electric Company Wireless RF coil power supply
US8457712B2 (en) * 2005-12-30 2013-06-04 Wisconsin Alumni Research Foundation Multi-mode medical device system and methods of manufacturing and using same
CN101563034B (zh) * 2006-12-21 2013-10-23 皇家飞利浦电子股份有限公司 无线介入设备以及用于无线能量传输的系统
CN101652672B (zh) 2006-12-22 2014-11-26 皇家飞利浦电子股份有限公司 用于磁共振系统的传输线
US7573267B1 (en) * 2008-01-19 2009-08-11 General Electric Company System and method for active MR tracking
JP5355044B2 (ja) * 2008-11-11 2013-11-27 株式会社東芝 磁気共鳴映像装置
CN102341037B (zh) 2009-03-04 2014-11-26 艾姆瑞科医疗系统有限公司 Mri兼容电极电路
CN102274024B (zh) * 2011-05-13 2013-06-12 复旦大学 基于微处理器的双磁棒旋转搜索定位跟踪系统

Also Published As

Publication number Publication date
CN105228520A (zh) 2016-01-06
KR101610567B1 (ko) 2016-04-07
AU2012352197B2 (en) 2015-05-07
AU2012352197A1 (en) 2014-06-19
US20140132267A1 (en) 2014-05-15
KR20140098855A (ko) 2014-08-08
EP2790577A1 (en) 2014-10-22
CN105228520B (zh) 2019-03-01
WO2013090577A1 (en) 2013-06-20
CA2860846C (en) 2019-01-15
CA2860846A1 (en) 2013-06-20
EP2790577A4 (en) 2015-08-12
EP2790577B1 (en) 2021-06-16

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