JP6170500B2 - Mri装置において使用するrfセーフ介入または非介入機器 - Google Patents
Mri装置において使用するrfセーフ介入または非介入機器 Download PDFInfo
- Publication number
- JP6170500B2 JP6170500B2 JP2014542973A JP2014542973A JP6170500B2 JP 6170500 B2 JP6170500 B2 JP 6170500B2 JP 2014542973 A JP2014542973 A JP 2014542973A JP 2014542973 A JP2014542973 A JP 2014542973A JP 6170500 B2 JP6170500 B2 JP 6170500B2
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- Prior art keywords
- conductor
- interventional
- damping element
- safe
- distal
- 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
- 239000004020 conductor Substances 0.000 claims description 136
- 238000013016 damping Methods 0.000 claims description 51
- 230000005684 electric field Effects 0.000 claims description 16
- 238000003384 imaging method Methods 0.000 claims description 13
- 238000012545 processing Methods 0.000 claims description 6
- 238000001574 biopsy Methods 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 claims description 2
- 239000007943 implant Substances 0.000 claims description 2
- 239000000523 sample Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 description 33
- 230000005540 biological transmission Effects 0.000 description 15
- 230000005284 excitation Effects 0.000 description 15
- 238000012360 testing method Methods 0.000 description 8
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
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Images
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
- G01R33/288—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
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201161562477P | 2011-11-22 | 2011-11-22 | |
| EP11190077.5A EP2597481A1 (en) | 2011-11-22 | 2011-11-22 | RF-safe interventional or non-interventional instrument for use in an MRI apparatus |
| US61/562,477 | 2011-11-22 | ||
| EP11190077.5 | 2011-11-22 | ||
| PCT/IB2012/056621 WO2013076677A1 (en) | 2011-11-22 | 2012-11-22 | Rf-safe interventional or non-interventional instrument for use in an mri apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2015504341A JP2015504341A (ja) | 2015-02-12 |
| JP6170500B2 true JP6170500B2 (ja) | 2017-07-26 |
Family
ID=45065741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014542973A Expired - Fee Related JP6170500B2 (ja) | 2011-11-22 | 2012-11-22 | Mri装置において使用するrfセーフ介入または非介入機器 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US9835697B2 (cg-RX-API-DMAC7.html) |
| EP (2) | EP2597481A1 (cg-RX-API-DMAC7.html) |
| JP (1) | JP6170500B2 (cg-RX-API-DMAC7.html) |
| CN (1) | CN103959081B (cg-RX-API-DMAC7.html) |
| BR (1) | BR112014012051A2 (cg-RX-API-DMAC7.html) |
| IN (1) | IN2014CN03727A (cg-RX-API-DMAC7.html) |
| RU (1) | RU2014125243A (cg-RX-API-DMAC7.html) |
| WO (1) | WO2013076677A1 (cg-RX-API-DMAC7.html) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3158960B1 (de) * | 2015-10-22 | 2023-10-18 | Inomed Medizintechnik GmbH | Elektrode mit drossel zum verhindern von durch hf-leckstrom induzierten verbrennungen |
| DE102016206398B4 (de) * | 2016-04-15 | 2025-01-09 | Siemens Healthineers Ag | Betrieb einer Magnetresonanzvorrichtung unter Berücksichtigung von Implantat-Trägern, eine Sicherheitseinheit, Sicherheitssystem und eine Magnetresonanzvorrichtung |
| CN108469543B (zh) * | 2018-03-30 | 2019-03-05 | 清华大学 | 感生电压测量方法及系统 |
| CN111624539B (zh) * | 2019-02-28 | 2025-09-23 | 通用电气精准医疗有限责任公司 | 用于从电扼流圈中移除能量的系统和方法、电扼流圈 |
| US20240215849A1 (en) * | 2022-12-28 | 2024-07-04 | Neuro42 Inc. | Intracranial radio frequency coil for intraoperative magnetic resonance imaging |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4951672A (en) * | 1985-07-02 | 1990-08-28 | General Electric Company | Controlled impedance monitoring lead wires |
| US5138287A (en) * | 1990-05-11 | 1992-08-11 | Hewlett-Packard Company | High frequency common mode choke |
| WO2002042790A1 (en) * | 2000-11-24 | 2002-05-30 | Koninklijke Philips Electronics N.V. | Invasive device provided with a segmented electrical connection conductor |
| US6559650B2 (en) * | 2001-06-05 | 2003-05-06 | Eni Technology, Inc. | RF power probe head with a thermally conductive bushing |
| US6496714B1 (en) | 2001-07-20 | 2002-12-17 | Koninklijke Philips Electronics N.V. | RF-safe invasive device |
| DE102004026713B3 (de) * | 2004-05-28 | 2006-02-23 | Siemens Ag | Antennenverstärker für eine Magnetresonanzantenne sowie Magnetresonanzantenne mit einem Antennenverstärker |
| CA2576306A1 (en) | 2004-08-09 | 2006-03-23 | The Johns-Hopkins University | Implantable mri compatible stimulation leads and antennas and related systems and methods |
| CN101084450B (zh) * | 2004-12-20 | 2010-10-06 | 皇家飞利浦电子股份有限公司 | 用在rf场中的传输路径、电附属设备以及磁共振成像系统 |
| WO2007047966A2 (en) | 2005-10-21 | 2007-04-26 | Surgi-Vision, Inc. | Mri-safe high impedance lead systems |
| EP2305109A1 (en) | 2005-11-29 | 2011-04-06 | Surgi-Vision, Inc. | MRI-guided localization and/or lead placement systems, related methods, devices and computer program products |
| EP2067501A3 (en) * | 2006-04-07 | 2011-12-21 | Medtronic, Inc. | Resonance circuit for implantable devices and leads |
| US7714581B2 (en) * | 2006-04-19 | 2010-05-11 | Wisconsin Alumni Research Foundation | RF coil assembly for magnetic resonance imaging and spectroscopy systems |
| US8339256B2 (en) * | 2006-08-02 | 2012-12-25 | Koninklijke Philips Electronics N.V. | Radiofrequency safety of switchable segmented transmission lines |
| US7999549B2 (en) * | 2006-08-02 | 2011-08-16 | Koninklijke Philips Electronics N.V. | Transmission path for use in RF fields providing reduced RF heating |
| WO2008032249A2 (en) | 2006-09-11 | 2008-03-20 | Koninklijke Philips Electronics N.V. | Catheter and medical assembly |
| WO2008078294A1 (en) | 2006-12-22 | 2008-07-03 | Philips Intellectual Property & Standards Gmbh | Transmission line for use in magnetic resonance system |
| US7956704B1 (en) * | 2007-02-28 | 2011-06-07 | Pmc-Sierra Us, Inc. | Loaded parallel stub common mode filter for differential lines carrying high rate digital signals |
| WO2009004548A2 (en) | 2007-06-29 | 2009-01-08 | Koninklijke Philips Electronics N.V. | Transmission cable for use in radio-frequency magnetic or electrical fields |
| DE112010000844B4 (de) | 2009-01-27 | 2018-07-12 | Philips Gmbh | Übertragungsleitung |
| US8319496B2 (en) | 2009-04-01 | 2012-11-27 | Yigitcan Eryaman | Magnetic resonance method and apparatus for reducing RF heating in the patient |
| US20120232632A1 (en) * | 2009-10-30 | 2012-09-13 | St. Jude Medical Ab | medical implantable lead |
-
2011
- 2011-11-22 EP EP11190077.5A patent/EP2597481A1/en not_active Withdrawn
-
2012
- 2012-11-22 WO PCT/IB2012/056621 patent/WO2013076677A1/en not_active Ceased
- 2012-11-22 EP EP12806687.5A patent/EP2783230B1/en active Active
- 2012-11-22 RU RU2014125243/28A patent/RU2014125243A/ru not_active Application Discontinuation
- 2012-11-22 US US14/359,151 patent/US9835697B2/en active Active
- 2012-11-22 JP JP2014542973A patent/JP6170500B2/ja not_active Expired - Fee Related
- 2012-11-22 BR BR112014012051A patent/BR112014012051A2/pt not_active IP Right Cessation
- 2012-11-22 IN IN3727CHN2014 patent/IN2014CN03727A/en unknown
- 2012-11-22 CN CN201280057464.5A patent/CN103959081B/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP2597481A1 (en) | 2013-05-29 |
| EP2783230A1 (en) | 2014-10-01 |
| US20140303485A1 (en) | 2014-10-09 |
| RU2014125243A (ru) | 2015-12-27 |
| WO2013076677A1 (en) | 2013-05-30 |
| JP2015504341A (ja) | 2015-02-12 |
| IN2014CN03727A (cg-RX-API-DMAC7.html) | 2015-07-03 |
| US9835697B2 (en) | 2017-12-05 |
| BR112014012051A2 (pt) | 2017-05-30 |
| EP2783230B1 (en) | 2020-09-09 |
| CN103959081A (zh) | 2014-07-30 |
| CN103959081B (zh) | 2018-03-30 |
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