ATE500517T1 - Mri-katheter mit mitteln zur unterdrückung von resonanz-hf-erwärmung - Google Patents

Mri-katheter mit mitteln zur unterdrückung von resonanz-hf-erwärmung

Info

Publication number
ATE500517T1
ATE500517T1 AT06803494T AT06803494T ATE500517T1 AT E500517 T1 ATE500517 T1 AT E500517T1 AT 06803494 T AT06803494 T AT 06803494T AT 06803494 T AT06803494 T AT 06803494T AT E500517 T1 ATE500517 T1 AT E500517T1
Authority
AT
Austria
Prior art keywords
catheter body
catheter
disposed
heating
ultrasonic transducer
Prior art date
Application number
AT06803494T
Other languages
English (en)
Inventor
Ozgur Kocaturk
Original Assignee
Us Gov Health & Human Serv
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 Us Gov Health & Human Serv filed Critical Us Gov Health & Human Serv
Application granted granted Critical
Publication of ATE500517T1 publication Critical patent/ATE500517T1/de

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
    • G01R33/285—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
    • G01R33/32—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
    • 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
    • G01R33/44—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]
    • G01R33/4814—MR combined with ultrasound

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)
AT06803494T 2005-09-14 2006-09-13 Mri-katheter mit mitteln zur unterdrückung von resonanz-hf-erwärmung ATE500517T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US71650305P 2005-09-14 2005-09-14
PCT/US2006/035636 WO2007033240A1 (en) 2005-09-14 2006-09-13 Mri catheter comprising means for suppressing resonant rf heating

Publications (1)

Publication Number Publication Date
ATE500517T1 true ATE500517T1 (de) 2011-03-15

Family

ID=37562195

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06803494T ATE500517T1 (de) 2005-09-14 2006-09-13 Mri-katheter mit mitteln zur unterdrückung von resonanz-hf-erwärmung

Country Status (5)

Country Link
US (1) US20100022868A1 (de)
EP (2) EP2295999B1 (de)
AT (1) ATE500517T1 (de)
DE (1) DE602006020475D1 (de)
WO (1) WO2007033240A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9259290B2 (en) 2009-06-08 2016-02-16 MRI Interventions, Inc. MRI-guided surgical systems with proximity alerts
WO2010148083A2 (en) 2009-06-16 2010-12-23 Surgivision, Inc. Mri-guided devices and mri-guided interventional systems that can track and generate dynamic visualizations of the devices in near real time
WO2011109733A1 (en) * 2010-03-04 2011-09-09 Imricor Medical Systems, Inc. Mri compatible transmission line circuit
DE102014213643B4 (de) * 2014-07-14 2016-09-15 Siemens Healthcare Gmbh Mantelwellensperre mit integrierter optischer Kabelführung für die Anwendung in der Magnetresonanztomographie
JP6980753B2 (ja) * 2016-07-11 2021-12-15 コヴィディエン リミテッド パートナーシップ 臨床処置中に使用されるトランスポンダでタグ付けされた物体の所在をトロカールを用いて確認する方法および装置
US10976388B2 (en) 2017-03-24 2021-04-13 Quality Electrodynamics, Llc Minimizing intravascular magnetic resonance imaging (MRI) guidewire heating with single layer MRI transmit/receive radio frequency coil
WO2020014230A1 (en) * 2018-07-09 2020-01-16 Georgia Tech Research Corporation Acousto-optical active markers for interventional mri
US20210134481A1 (en) * 2019-10-31 2021-05-06 Commscope Technologies Llc Cable jackets with magnetic attraction

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5237638A (en) * 1991-03-14 1993-08-17 Pdt Systems Silicone optical waveguide
US5318025A (en) 1992-04-01 1994-06-07 General Electric Company Tracking system to monitor the position and orientation of a device using multiplexed magnetic resonance detection
US5271400A (en) 1992-04-01 1993-12-21 General Electric Company Tracking system to monitor the position and orientation of a device using magnetic resonance detection of a sample contained within the device
US5509418A (en) * 1995-01-17 1996-04-23 Hewlett-Packard Co. Ultrasound diagnostic probe having acoustically driven turbin
JP4053091B2 (ja) 1996-09-02 2008-02-27 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 磁気共鳴画像化装置で用いられる侵襲的装置
US5730134A (en) * 1996-09-09 1998-03-24 General Electric Company System to monitor temperature near an invasive device during magnetic resonance procedures
US6432050B1 (en) * 1997-12-30 2002-08-13 Remon Medical Technologies Ltd. Implantable acoustic bio-sensing system and method
US6159444A (en) * 1998-09-11 2000-12-12 The Regents Of The University Of California NMR/MRI with hyperpolarized gas and high Tc SQUID
EP1115328A4 (de) * 1998-09-24 2004-11-10 Super Dimension Ltd Vorrichtung und verfahren zur bestimmung des ortes eines katheters während eines intrakorporalen medizinischen verfahrens
US6332088B1 (en) * 1998-11-12 2001-12-18 Toshiba America Mri, Inc. Method and apparatus for imaging instruments during interventional MRI using asymmetric spin echo sequences
US6317618B1 (en) * 1999-06-02 2001-11-13 Odin Technologies Ltd. Transportable intraoperative magnetic resonance imaging apparatus
US6871086B2 (en) * 2001-02-15 2005-03-22 Robin Medical Inc. Endoscopic examining apparatus particularly useful in MRI, a probe useful in such apparatus, and a method of making such probe
DE60212616T2 (de) * 2001-03-28 2007-02-22 Increa Oy Anordnung zur Erfassung
US6725079B2 (en) * 2001-06-20 2004-04-20 Odin Medical Technologies, Ltd. Dual pointer device and method for surgical navigation
US6862468B2 (en) * 2001-09-28 2005-03-01 Scimed Life Systems, Inc. Systems and methods for magnetic resonance imaging elastography

Also Published As

Publication number Publication date
WO2007033240A1 (en) 2007-03-22
EP1943535A1 (de) 2008-07-16
EP1943535B1 (de) 2011-03-02
EP2295999A1 (de) 2011-03-16
US20100022868A1 (en) 2010-01-28
DE602006020475D1 (de) 2011-04-14
EP2295999B1 (de) 2013-09-04

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Legal Events

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