DE602006020475D1 - Mri-katheter mit mitteln zur unterdrückung von resonanz-hf-erwärmung - Google Patents
Mri-katheter mit mitteln zur unterdrückung von resonanz-hf-erwärmungInfo
- Publication number
- DE602006020475D1 DE602006020475D1 DE602006020475T DE602006020475T DE602006020475D1 DE 602006020475 D1 DE602006020475 D1 DE 602006020475D1 DE 602006020475 T DE602006020475 T DE 602006020475T DE 602006020475 T DE602006020475 T DE 602006020475T DE 602006020475 D1 DE602006020475 D1 DE 602006020475D1
- Authority
- DE
- Germany
- Prior art keywords
- catheter body
- catheter
- disposed
- heating
- ultrasonic transducer
- 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
Links
- 238000010438 heat treatment Methods 0.000 title 1
- 238000002595 magnetic resonance imaging Methods 0.000 abstract 1
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
-
- 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
- G01R33/288—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)
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 |
---|---|
DE602006020475D1 true DE602006020475D1 (de) | 2011-04-14 |
Family
ID=37562195
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602006020475T Active DE602006020475D1 (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 (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2440129A4 (de) | 2009-06-08 | 2015-06-03 | Mri Interventions Inc | Mrt-gesteuerte chirurgische systeme mit voreingestellten scan-flächen |
US8369930B2 (en) | 2009-06-16 | 2013-02-05 | MRI Interventions, 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 |
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)
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 |
EP0864102B1 (de) * | 1996-09-02 | 2005-09-21 | Philips Electronics N.V. | Invasives gerät zum gebrauch in einem gerät zur bilderzeugung durch magnetische resonanz |
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 |
WO2002084624A1 (en) * | 2001-03-28 | 2002-10-24 | Increa Oy | Arrangement for registration |
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 |
-
2006
- 2006-09-13 EP EP10187731.4A patent/EP2295999B1/de active Active
- 2006-09-13 DE DE602006020475T patent/DE602006020475D1/de active Active
- 2006-09-13 US US11/992,064 patent/US20100022868A1/en not_active Abandoned
- 2006-09-13 AT AT06803494T patent/ATE500517T1/de not_active IP Right Cessation
- 2006-09-13 WO PCT/US2006/035636 patent/WO2007033240A1/en active Application Filing
- 2006-09-13 EP EP06803494A patent/EP1943535B1/de active Active
Also Published As
Publication number | Publication date |
---|---|
US20100022868A1 (en) | 2010-01-28 |
ATE500517T1 (de) | 2011-03-15 |
EP1943535B1 (de) | 2011-03-02 |
WO2007033240A1 (en) | 2007-03-22 |
EP2295999A1 (de) | 2011-03-16 |
EP2295999B1 (de) | 2013-09-04 |
EP1943535A1 (de) | 2008-07-16 |
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