DE69831544D1 - RF-Spulenanordnung zur Verwendung in Körperhohlräumen in der Magnetresonanzbildgebung - Google Patents
RF-Spulenanordnung zur Verwendung in Körperhohlräumen in der MagnetresonanzbildgebungInfo
- Publication number
- DE69831544D1 DE69831544D1 DE69831544T DE69831544T DE69831544D1 DE 69831544 D1 DE69831544 D1 DE 69831544D1 DE 69831544 T DE69831544 T DE 69831544T DE 69831544 T DE69831544 T DE 69831544T DE 69831544 D1 DE69831544 D1 DE 69831544D1
- Authority
- DE
- Germany
- Prior art keywords
- magnetic resonance
- resonance imaging
- coil assembly
- body cavities
- cavities
- 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
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
- G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
- G01R33/34084—Constructional details, e.g. resonators, specially adapted to MR implantable coils or coils being geometrically adaptable to the sample, e.g. flexible coils or coils comprising mutually movable parts
-
- 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
- G01R33/341—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S439/00—Electrical connectors
- Y10S439/909—Medical use or attached to human body
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9721451 | 1997-10-07 | ||
GB9721451A GB2330202A (en) | 1997-10-07 | 1997-10-07 | Flexible MRI antenna for intra-cavity use |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69831544D1 true DE69831544D1 (de) | 2005-10-20 |
DE69831544T2 DE69831544T2 (de) | 2006-07-13 |
Family
ID=10820315
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69831544T Expired - Fee Related DE69831544T2 (de) | 1997-10-07 | 1998-10-06 | RF-Spulenanordnung zur Verwendung in Körperhohlräumen in der Magnetresonanzbildgebung |
Country Status (4)
Country | Link |
---|---|
US (1) | US6226545B1 (de) |
EP (1) | EP0908739B1 (de) |
DE (1) | DE69831544T2 (de) |
GB (1) | GB2330202A (de) |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6675033B1 (en) | 1999-04-15 | 2004-01-06 | Johns Hopkins University School Of Medicine | Magnetic resonance imaging guidewire probe |
US6549800B1 (en) | 1996-04-25 | 2003-04-15 | Johns Hopkins Unversity School Of Medicine | Methods for in vivo magnetic resonance imaging |
US7844319B2 (en) * | 1998-11-04 | 2010-11-30 | Susil Robert C | Systems and methods for magnetic-resonance-guided interventional procedures |
US8244370B2 (en) | 2001-04-13 | 2012-08-14 | Greatbatch Ltd. | Band stop filter employing a capacitor and an inductor tank circuit to enhance MRI compatibility of active medical devices |
US6701176B1 (en) | 1998-11-04 | 2004-03-02 | Johns Hopkins University School Of Medicine | Magnetic-resonance-guided imaging, electrophysiology, and ablation |
US7848788B2 (en) | 1999-04-15 | 2010-12-07 | The Johns Hopkins University | Magnetic resonance imaging probe |
US6606513B2 (en) | 2000-02-01 | 2003-08-12 | Surgi-Vision, Inc. | Magnetic resonance imaging transseptal needle antenna |
AU2001247806A1 (en) | 2000-03-24 | 2001-10-08 | Surgi-Vision | Endoluminal mri probe |
AU2001249707A1 (en) * | 2000-03-31 | 2001-10-15 | Surgi-Vision | Systems and methods for evaluating the urethra and the periurethral tissues |
US8527046B2 (en) | 2000-04-20 | 2013-09-03 | Medtronic, Inc. | MRI-compatible implantable device |
US6829509B1 (en) | 2001-02-20 | 2004-12-07 | Biophan Technologies, Inc. | Electromagnetic interference immune tissue invasive system |
US20020116029A1 (en) | 2001-02-20 | 2002-08-22 | Victor Miller | MRI-compatible pacemaker with power carrying photonic catheter and isolated pulse generating electronics providing VOO functionality |
US8989870B2 (en) * | 2001-04-13 | 2015-03-24 | Greatbatch Ltd. | Tuned energy balanced system for minimizing heating and/or to provide EMI protection of implanted leads in a high power electromagnetic field environment |
US8219208B2 (en) | 2001-04-13 | 2012-07-10 | Greatbatch Ltd. | Frequency selective passive component networks for active implantable medical devices utilizing an energy dissipating surface |
US8457760B2 (en) | 2001-04-13 | 2013-06-04 | Greatbatch Ltd. | Switched diverter circuits for minimizing heating of an implanted lead and/or providing EMI protection in a high power electromagnetic field environment |
WO2002083016A1 (en) | 2001-04-13 | 2002-10-24 | Surgi-Vision, Inc. | Systems and methods for magnetic-resonance-guided interventional procedures |
US9295828B2 (en) | 2001-04-13 | 2016-03-29 | Greatbatch Ltd. | Self-resonant inductor wound portion of an implantable lead for enhanced MRI compatibility of active implantable medical devices |
US20070088416A1 (en) | 2001-04-13 | 2007-04-19 | Surgi-Vision, Inc. | Mri compatible medical leads |
US8977355B2 (en) | 2001-04-13 | 2015-03-10 | Greatbatch Ltd. | EMI filter employing a capacitor and an inductor tank circuit having optimum component values |
US8600519B2 (en) | 2001-04-13 | 2013-12-03 | Greatbatch Ltd. | Transient voltage/current protection system for electronic circuits associated with implanted leads |
US8509913B2 (en) * | 2001-04-13 | 2013-08-13 | Greatbatch Ltd. | Switched diverter circuits for minimizing heating of an implanted lead and/or providing EMI protection in a high power electromagnetic field environment |
US6731979B2 (en) | 2001-08-30 | 2004-05-04 | Biophan Technologies Inc. | Pulse width cardiac pacing apparatus |
US6711440B2 (en) | 2002-04-11 | 2004-03-23 | Biophan Technologies, Inc. | MRI-compatible medical device with passive generation of optical sensing signals |
US6725092B2 (en) | 2002-04-25 | 2004-04-20 | Biophan Technologies, Inc. | Electromagnetic radiation immune medical assist device adapter |
CA2487140C (en) | 2002-05-29 | 2011-09-20 | Surgi-Vision, Inc. | Magnetic resonance probes |
US8903505B2 (en) | 2006-06-08 | 2014-12-02 | Greatbatch Ltd. | Implantable lead bandstop filter employing an inductive coil with parasitic capacitance to enhance MRI compatibility of active medical devices |
US7411361B2 (en) * | 2006-11-30 | 2008-08-12 | Radiabeam Technologies Llc | Method and apparatus for radio frequency cavity |
US9108066B2 (en) | 2008-03-20 | 2015-08-18 | Greatbatch Ltd. | Low impedance oxide resistant grounded capacitor for an AIMD |
US10080889B2 (en) | 2009-03-19 | 2018-09-25 | Greatbatch Ltd. | Low inductance and low resistance hermetically sealed filtered feedthrough for an AIMD |
US8447414B2 (en) * | 2008-12-17 | 2013-05-21 | Greatbatch Ltd. | Switched safety protection circuit for an AIMD system during exposure to high power electromagnetic fields |
US8095224B2 (en) | 2009-03-19 | 2012-01-10 | Greatbatch Ltd. | EMI shielded conduit assembly for an active implantable medical device |
US9259290B2 (en) | 2009-06-08 | 2016-02-16 | MRI Interventions, Inc. | MRI-guided surgical systems with proximity alerts |
JP2012529977A (ja) | 2009-06-16 | 2012-11-29 | エムアールアイ・インターヴェンションズ,インコーポレイテッド | Mri誘導装置、及び準リアルタイムに該装置を追跡し、該装置の動的可視化を生成することができるmri誘導介入システム |
US8882763B2 (en) | 2010-01-12 | 2014-11-11 | Greatbatch Ltd. | Patient attached bonding strap for energy dissipation from a probe or a catheter during magnetic resonance imaging |
US9931514B2 (en) | 2013-06-30 | 2018-04-03 | Greatbatch Ltd. | Low impedance oxide resistant grounded capacitor for an AIMD |
US9427596B2 (en) | 2013-01-16 | 2016-08-30 | Greatbatch Ltd. | Low impedance oxide resistant grounded capacitor for an AIMD |
US10272252B2 (en) | 2016-11-08 | 2019-04-30 | Greatbatch Ltd. | Hermetic terminal for an AIMD having a composite brazed conductive lead |
US10350421B2 (en) | 2013-06-30 | 2019-07-16 | Greatbatch Ltd. | Metallurgically bonded gold pocket pad for grounding an EMI filter to a hermetic terminal for an active implantable medical device |
US10596369B2 (en) | 2011-03-01 | 2020-03-24 | Greatbatch Ltd. | Low equivalent series resistance RF filter for an active implantable medical device |
US11198014B2 (en) | 2011-03-01 | 2021-12-14 | Greatbatch Ltd. | Hermetically sealed filtered feedthrough assembly having a capacitor with an oxide resistant electrical connection to an active implantable medical device housing |
USRE46699E1 (en) | 2013-01-16 | 2018-02-06 | Greatbatch Ltd. | Low impedance oxide resistant grounded capacitor for an AIMD |
US10249415B2 (en) | 2017-01-06 | 2019-04-02 | Greatbatch Ltd. | Process for manufacturing a leadless feedthrough for an active implantable medical device |
US10912945B2 (en) | 2018-03-22 | 2021-02-09 | Greatbatch Ltd. | Hermetic terminal for an active implantable medical device having a feedthrough capacitor partially overhanging a ferrule for high effective capacitance area |
US10905888B2 (en) | 2018-03-22 | 2021-02-02 | Greatbatch Ltd. | Electrical connection for an AIMD EMI filter utilizing an anisotropic conductive layer |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4766383A (en) * | 1987-02-24 | 1988-08-23 | Kabushiki Kaisha Toshiba | Quadrature antenna for magnetic resonance imaging using elliptical coils |
JPH0616760B2 (ja) * | 1988-09-09 | 1994-03-09 | ザ・トラステイズ・オブ・ザ・ユーニバァスィティ・オブ・ペンシルバニア | 核磁気共鳴映像法で使用するためのコイル組立体 |
US5348010A (en) * | 1989-02-24 | 1994-09-20 | Medrea, Inc., Pennsylvania Corp., Pa. | Intracavity probe and interface device for MRI imaging and spectroscopy |
GB9007636D0 (en) * | 1990-04-04 | 1990-05-30 | Instrumentarium Corp | Mri coil |
US5379767A (en) * | 1992-09-02 | 1995-01-10 | The Regents Of The University Of California | MRI RF coil using zero-pitch solenoidal winding |
US5347221A (en) * | 1993-03-09 | 1994-09-13 | Rubinson Kenneth A | Truncated nuclear magnetic imaging probe |
ES2114626T3 (es) * | 1994-03-18 | 1998-06-01 | Schneider Europ Ag | Sistema de visualizacion de resonancias magneticas para localizar un instrumento medico. |
US5699801A (en) * | 1995-06-01 | 1997-12-23 | The Johns Hopkins University | Method of internal magnetic resonance imaging and spectroscopic analysis and associated apparatus |
US5666055A (en) * | 1995-10-02 | 1997-09-09 | Jones; Randall W. | Surface coil system for a single channel NMR receiver |
US5548218A (en) * | 1995-10-19 | 1996-08-20 | North Shore University Hospital Research Corporation | Flexible RF coils for MRI system |
-
1997
- 1997-10-07 GB GB9721451A patent/GB2330202A/en not_active Withdrawn
-
1998
- 1998-10-06 DE DE69831544T patent/DE69831544T2/de not_active Expired - Fee Related
- 1998-10-06 EP EP98308136A patent/EP0908739B1/de not_active Expired - Lifetime
- 1998-10-07 US US09/167,781 patent/US6226545B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB9721451D0 (en) | 1997-12-10 |
US6226545B1 (en) | 2001-05-01 |
DE69831544T2 (de) | 2006-07-13 |
EP0908739A3 (de) | 2000-03-29 |
GB2330202A (en) | 1999-04-14 |
EP0908739A2 (de) | 1999-04-14 |
EP0908739B1 (de) | 2005-09-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8320 | Willingness to grant licences declared (paragraph 23) | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |