JP6366848B2 - 断線警報を有する磁気共鳴イメージングシステムで使用する無線周波数受信コイル - Google Patents
断線警報を有する磁気共鳴イメージングシステムで使用する無線周波数受信コイル Download PDFInfo
- Publication number
- JP6366848B2 JP6366848B2 JP2017530291A JP2017530291A JP6366848B2 JP 6366848 B2 JP6366848 B2 JP 6366848B2 JP 2017530291 A JP2017530291 A JP 2017530291A JP 2017530291 A JP2017530291 A JP 2017530291A JP 6366848 B2 JP6366848 B2 JP 6366848B2
- Authority
- JP
- Japan
- Prior art keywords
- imaging system
- alarm
- receiving coil
- unit
- energy
- 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
- 238000002595 magnetic resonance imaging Methods 0.000 title description 5
- 238000003384 imaging method Methods 0.000 claims description 94
- 238000001514 detection method Methods 0.000 claims description 31
- 238000003306 harvesting Methods 0.000 claims description 29
- 238000004146 energy storage Methods 0.000 claims description 18
- 230000006698 induction Effects 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 6
- 238000009825 accumulation Methods 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000005284 excitation Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000009849 deactivation Effects 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000005355 Hall effect Effects 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
-
- 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
-
- 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
- G01R33/24—Arrangements or instruments for measuring magnetic variables involving magnetic resonance for measuring direction or magnitude of magnetic fields or magnetic flux
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP14196706.7 | 2014-12-08 | ||
| EP14196706 | 2014-12-08 | ||
| PCT/EP2015/078650 WO2016091745A1 (en) | 2014-12-08 | 2015-12-04 | Radio frequency receive coil for use in magnetic resonance imaging systems with disconnection warning |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2017536914A JP2017536914A (ja) | 2017-12-14 |
| JP2017536914A5 JP2017536914A5 (enExample) | 2018-04-26 |
| JP6366848B2 true JP6366848B2 (ja) | 2018-08-01 |
Family
ID=52011077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017530291A Expired - Fee Related JP6366848B2 (ja) | 2014-12-08 | 2015-12-04 | 断線警報を有する磁気共鳴イメージングシステムで使用する無線周波数受信コイル |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US10473734B2 (enExample) |
| EP (1) | EP3230754B1 (enExample) |
| JP (1) | JP6366848B2 (enExample) |
| CN (1) | CN107110924B (enExample) |
| RU (1) | RU2663088C1 (enExample) |
| WO (1) | WO2016091745A1 (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10895616B2 (en) * | 2016-03-22 | 2021-01-19 | Koninklijke Philips N.V. | Apparatus for handling optical fiber in magnetic resonance imaging system |
| WO2018060332A1 (en) * | 2016-09-29 | 2018-04-05 | Koninklijke Philips N.V. | Wireless magnetic resonance energy harvesting and coil detuning |
| EP3623831A1 (en) * | 2018-09-11 | 2020-03-18 | Koninklijke Philips N.V. | Magnetic resonace receive coil with detune circuit and energy harvesting circuit |
| EP3945332A1 (en) * | 2020-07-28 | 2022-02-02 | Koninklijke Philips N.V. | Detection of unconnected mr coils and localization of misplaced coils |
| DE102020211274A1 (de) * | 2020-09-08 | 2022-02-24 | Siemens Healthcare Gmbh | Magnetresonanzvorrichtung mit einer Patientenlagerungsvorrichtung und einer Kommunikationseinheit |
| WO2022073672A1 (en) | 2020-10-06 | 2022-04-14 | Koninklijke Philips N.V. | Energy harvesting decoupler for an magnetic resonance imaging (mri) system |
| EP4481420A1 (en) * | 2023-06-19 | 2024-12-25 | Koninklijke Philips N.V. | Magnetic resonance examination system with an easy to maintain sensor |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5629622A (en) * | 1995-07-11 | 1997-05-13 | Hewlett-Packard Company | Magnetic field sense system for the protection of connected electronic devices |
| DE19935915C2 (de) * | 1999-07-30 | 2001-06-13 | Siemens Ag | Signalaufnehmer oder Signalgeber für ein Magnetresonanztomographiegerät |
| DE10047365B4 (de) * | 2000-09-25 | 2005-07-28 | Siemens Ag | Physiologisches Sensorsystem |
| US6961604B1 (en) | 2001-10-09 | 2005-11-01 | Koninklijke Philips Electroncis N.V. | Wireless controller and application interface for an MRI system |
| JP4689608B2 (ja) * | 2003-08-15 | 2011-05-25 | 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 | ワイヤレス識別能力を備えるmriシステム |
| EP1960802B1 (en) * | 2005-12-08 | 2014-05-21 | Koninklijke Philips N.V. | Mr imaging system with an rf antenna unit containing an analog-to-digital converter |
| US7821402B2 (en) | 2006-05-05 | 2010-10-26 | Quality Electrodynamics | IC tags/RFID tags for magnetic resonance imaging applications |
| DE102007053429B4 (de) * | 2007-11-09 | 2011-09-22 | Siemens Ag | Lokalspulenanordnung mit Magnetfeldsensor und Magnetresonanzanlage mit derartiger Lokalspulenanordnung |
| US7940047B2 (en) | 2007-11-23 | 2011-05-10 | Sentinelle Medical, Inc. | Microcontroller system for identifying RF coils in the bore of a magnetic resonance imaging system |
| US8416076B2 (en) * | 2008-04-02 | 2013-04-09 | The Trustees Of Dartmouth College | Magnetic proximity sensor system and associated methods of sensing a magnetic field |
| DE102009004448B4 (de) | 2009-01-13 | 2012-05-24 | Siemens Aktiengesellschaft | Spulenpositionserkennung |
| RU91276U1 (ru) * | 2009-10-15 | 2010-02-10 | Закрытое акционерное общество Научно-производственная фирма "Аз" | Магнитно-резонансный томограф |
| JP5484272B2 (ja) * | 2010-09-07 | 2014-05-07 | 株式会社日立メディコ | 磁気共鳴イメージング装置および受信コイル接続状態の確認方法 |
| US8901928B2 (en) * | 2010-11-09 | 2014-12-02 | Imris Inc. | MRI safety system |
| US9835699B2 (en) * | 2011-04-18 | 2017-12-05 | Koninklijke Philips N.V. | Fail-safe and easy access lock for MRI receiver coil |
| JP5702670B2 (ja) * | 2011-05-27 | 2015-04-15 | 株式会社東芝 | 磁気共鳴イメージング装置 |
| DE102012206066A1 (de) * | 2012-04-13 | 2013-10-17 | Siemens Aktiengesellschaft | Erkennung ungesteckter Lokalspulen in einem Kernspintomographen |
| US9945916B2 (en) * | 2013-08-02 | 2018-04-17 | Siemens Aktiengesellschaft | Temperature monitoring of local coils |
| US9964501B2 (en) * | 2014-11-05 | 2018-05-08 | Gersh Z. Taicher | Nuclear magnetic resonance apparatus and methods |
-
2015
- 2015-12-04 CN CN201580072743.2A patent/CN107110924B/zh not_active Expired - Fee Related
- 2015-12-04 WO PCT/EP2015/078650 patent/WO2016091745A1/en not_active Ceased
- 2015-12-04 RU RU2017124021A patent/RU2663088C1/ru active
- 2015-12-04 US US15/533,397 patent/US10473734B2/en not_active Expired - Fee Related
- 2015-12-04 EP EP15805460.1A patent/EP3230754B1/en not_active Not-in-force
- 2015-12-04 JP JP2017530291A patent/JP6366848B2/ja not_active Expired - Fee Related
-
2019
- 2019-10-16 US US16/654,058 patent/US11435417B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| RU2663088C1 (ru) | 2018-08-01 |
| CN107110924A (zh) | 2017-08-29 |
| US11435417B2 (en) | 2022-09-06 |
| EP3230754B1 (en) | 2018-07-18 |
| JP2017536914A (ja) | 2017-12-14 |
| CN107110924B (zh) | 2020-09-01 |
| EP3230754A1 (en) | 2017-10-18 |
| US10473734B2 (en) | 2019-11-12 |
| US20170336484A1 (en) | 2017-11-23 |
| US20200049777A1 (en) | 2020-02-13 |
| WO2016091745A1 (en) | 2016-06-16 |
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