JP5069693B2 - Mrシステムにおいて信号のワイヤレス通信をする方法及び構成 - Google Patents
Mrシステムにおいて信号のワイヤレス通信をする方法及び構成 Download PDFInfo
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- JP5069693B2 JP5069693B2 JP2008546808A JP2008546808A JP5069693B2 JP 5069693 B2 JP5069693 B2 JP 5069693B2 JP 2008546808 A JP2008546808 A JP 2008546808A JP 2008546808 A JP2008546808 A JP 2008546808A JP 5069693 B2 JP5069693 B2 JP 5069693B2
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- 238000004891 communication Methods 0.000 title claims description 43
- 238000000034 method Methods 0.000 title claims description 22
- 238000012545 processing Methods 0.000 claims description 20
- 238000003384 imaging method Methods 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000001228 spectrum Methods 0.000 claims description 5
- 238000002595 magnetic resonance imaging Methods 0.000 claims description 4
- 238000004590 computer program Methods 0.000 claims 2
- 230000002457 bidirectional effect Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 238000005562 fading Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002405 diagnostic procedure Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
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- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
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- 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
- G01R33/283—Intercom or optical viewing arrangements, structurally associated with NMR apparatus
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- 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
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- 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
- G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
- G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
- G01R33/563—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution of moving material, e.g. flow contrast angiography
- G01R33/56375—Intentional motion of the sample during MR, e.g. moving table imaging
- G01R33/56383—Intentional motion of the sample during MR, e.g. moving table imaging involving motion of the sample as a whole, e.g. multistation MR or MR with continuous table motion
Description
Claims (12)
- 複数の通信チャネルを用いるMR画像化システムにおける信号のワイヤレス通信のための方法であって、該通信チャネルが各々第1送信機ユニットと第2受信機ユニットを有し、両者間の通信が拡散スペクトル信号若しくは超広帯域信号を送信することによって行われ、前記通信チャネルの送信が時分割多重化される、方法。
- 各通信チャネルにおける通信が割り当てられた時間スロットにおいて行われる、請求項1に記載の方法。
- 前記通信チャネルの少なくとも1つにおける通信が、前記第1送信機ユニットに設けられる第1受信機ユニットを用いて、及び前記第2受信機ユニットに設けられる第2送信機ユニットを用いて、双方向で行われる、請求項1に記載の方法。
- 時分割多重化された複数の通信チャネルを有する、MR画像化システムにおける信号のワイヤレス通信のための構成であって、各通信チャネルが、拡散スペクトル信号若しくは超広帯域信号をそれぞれ送信及び受信するための、第1送信機ユニットと第2受信機ユニットを有し、前記第1送信機ユニットが前記第2受信機ユニットへ超広帯域信号を生成し送信するための超広帯域送信機を有する、構成。
- 前記第1送信機ユニットが超広帯域受信機を有し、前記第2受信機ユニットが超広帯域送信機を有する、請求項4に記載の構成。
- 前記超広帯域送信機が前記MR画像化システムのMR受信機の出力信号を供給される、請求項4に記載の構成。
- 複数の第1送信機ユニット及び/又はマルチプルアンテナが幾何学的空間において互いに近接して位置する、請求項4に記載の構成。
- 両者間のMRデータ若しくは制御信号のワイヤレス通信のために、少なくとも1つの第1送信機ユニットが少なくとも1つのMR信号検出装置に関連付けられ、少なくとも1つの第2受信機ユニットが少なくとも1つのMR信号処理装置に関連付けられる、請求項4に記載の構成。
- 前記少なくとも1つの第1送信機ユニットと前記少なくとも1つの第2受信機ユニットが各々少なくとも1つのアンテナを備え、該アンテナは、互いに見通し線内にあるように前記MR画像化システム内に位置される、請求項4に記載の構成。
- プログラム可能なマイクロコンピュータ上で動作するとき、請求項1乃至3の何れか一項による方法を実行するため、及び/又は請求項1乃至3の何れか一項による方法における使用のためのコンピュータプログラムコードを有する、コンピュータプログラム。
- 請求項4による信号のワイヤレス通信のための構成を有する、磁気共鳴画像化システム。
- 前記少なくとも1つの第1送信機ユニットが前記MR画像化システムの検査空間内に位置され、前記少なくとも1つの第2受信機ユニットが、前記MR画像化システムの前記検査空間の外に位置される、請求項11に記載の磁気共鳴画像化システム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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EP05112875.9 | 2005-12-23 | ||
EP05112875 | 2005-12-23 | ||
PCT/IB2006/054968 WO2007072438A2 (en) | 2005-12-23 | 2006-12-20 | Method and arrangement for wireless communication of signals in an mr system |
Publications (2)
Publication Number | Publication Date |
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JP2009520556A JP2009520556A (ja) | 2009-05-28 |
JP5069693B2 true JP5069693B2 (ja) | 2012-11-07 |
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Application Number | Title | Priority Date | Filing Date |
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JP2008546808A Active JP5069693B2 (ja) | 2005-12-23 | 2006-12-20 | Mrシステムにおいて信号のワイヤレス通信をする方法及び構成 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8155101B2 (ja) |
EP (1) | EP1966621A2 (ja) |
JP (1) | JP5069693B2 (ja) |
CN (1) | CN101346637B (ja) |
WO (1) | WO2007072438A2 (ja) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101346637B (zh) * | 2005-12-23 | 2012-12-05 | 皇家飞利浦电子股份有限公司 | 在mr系统内对信号进行无线通信的方法和装置 |
MX2008014883A (es) * | 2006-05-25 | 2008-12-05 | Koninl Philips Electronics Nv | Transmision inalambrica de radio de banda ultraancha en sistemas de imagen por resonancia magnetica que involucran estimacion de canal. |
US20110274183A1 (en) * | 2007-09-04 | 2011-11-10 | Koninklijke Philips Electronics N.V. | Antenna selection training protocol for wireless medical applications |
DE102007047021B4 (de) * | 2007-10-01 | 2011-07-28 | Siemens AG, 80333 | Anordnung zur Übertragung von Magnetresonanzsignalen |
US8598874B2 (en) | 2007-12-21 | 2013-12-03 | Koninklijke Philips N.V. | Wireless transmit and receive MRI coils |
RU2511641C2 (ru) * | 2008-06-04 | 2014-04-10 | Конинклейке Филипс Электроникс Н.В. | Адаптивное управление скоростью передачи данных |
EP2418807A4 (en) * | 2009-04-07 | 2012-09-19 | Mitsubishi Electric Corp | ADAPTER COMMUNICATION DEVICE |
JP5361514B2 (ja) * | 2009-04-27 | 2013-12-04 | 株式会社東芝 | 磁気共鳴イメージング装置、及び磁気共鳴イメージング装置における受信信号の処理方法 |
US8244192B2 (en) * | 2009-11-25 | 2012-08-14 | General Electric Company | System and method for wireless communication of magnetic resonance data |
DE102010028749A1 (de) * | 2010-05-07 | 2011-11-10 | Universitätsklinikum Freiburg | Vorrichtung und Verfahren zur Kontrastmittelmessung |
CN102466791B (zh) | 2010-11-18 | 2015-02-04 | Ge医疗系统环球技术有限公司 | 用于医疗系统中无线检测器的系统和方法 |
DE102011004913B4 (de) | 2011-03-01 | 2019-04-25 | Siemens Healthcare Gmbh | Lokalspule für Magnetresonanzanwendungen und Magnetresonanzsystem |
JP6021652B2 (ja) * | 2013-01-16 | 2016-11-09 | 東芝メディカルシステムズ株式会社 | 磁気共鳴イメージング装置、及び、rfコイル装置 |
WO2016015314A1 (zh) * | 2014-07-31 | 2016-02-04 | 宇龙计算机通信科技(深圳)有限公司 | 同频全双工天线结构和无线通信的电子设备 |
CN104730478A (zh) * | 2015-03-17 | 2015-06-24 | 上海理工大学 | 正交频分复用的磁共振相控阵接收方法 |
CN107438772B (zh) * | 2015-03-31 | 2020-11-24 | 皇家飞利浦有限公司 | 用于传统磁共振成像(mri)系统的无线类型rf线圈和发射器及其操作方法 |
JP6901481B2 (ja) | 2015-12-03 | 2021-07-14 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | 増大した無線チャネル・スループットを有する磁気共鳴(mr)システム及び該システムの動作方法 |
CN108369264B (zh) | 2015-12-16 | 2021-08-10 | 皇家飞利浦有限公司 | 用于对磁共振成像(mri)系统进行无线通信同步的系统和方法 |
JP2021500980A (ja) | 2017-11-01 | 2021-01-14 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | 磁気共鳴イメージング(mri)システムでの無線通信のためのシステム及び方法 |
JP7300305B2 (ja) | 2019-04-24 | 2023-06-29 | キヤノンメディカルシステムズ株式会社 | 磁気共鳴イメージング装置 |
JP7410597B2 (ja) | 2020-11-30 | 2024-01-10 | 株式会社エム・アール・テクノロジー | Mri装置用補助トランスデューサー及びmri装置の制御方法 |
Family Cites Families (16)
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DE4126537A1 (de) * | 1991-08-10 | 1993-02-11 | Philips Patentverwaltung | Kernresonanz-untersuchungsgeraet mit einer spulenanordnung |
JP3168675B2 (ja) | 1992-03-19 | 2001-05-21 | 株式会社日立製作所 | 核磁気共鳴検査装置 |
US5999838A (en) * | 1997-07-24 | 1999-12-07 | Panacea Medical Laboratories | Spread spectrum MRI |
US7548787B2 (en) * | 2005-08-03 | 2009-06-16 | Kamilo Feher | Medical diagnostic and communication system |
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US6424867B1 (en) * | 1999-09-30 | 2002-07-23 | Pacesetter, Inc. | Secure telemetry system and method for an implantable cardiac stimulation device |
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WO2002084624A1 (en) * | 2001-03-28 | 2002-10-24 | Increa Oy | Arrangement for registration |
DE10148462C1 (de) * | 2001-10-01 | 2003-06-18 | Siemens Ag | Übertragungsverfahren für ein analoges Magnetresonanzsignal und hiermit korrespondierende Einrichtungen |
US6961604B1 (en) | 2001-10-09 | 2005-11-01 | Koninklijke Philips Electroncis N.V. | Wireless controller and application interface for an MRI system |
WO2004112298A2 (en) * | 2003-05-27 | 2004-12-23 | The Trustees Of Columbia University In The City Of New York | Multichannel time encoding and decoding of a signal |
US20050107681A1 (en) * | 2003-07-23 | 2005-05-19 | Griffiths David M. | Wireless patient monitoring device for magnetic resonance imaging |
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US7280810B2 (en) * | 2005-08-03 | 2007-10-09 | Kamilo Feher | Multimode communication system |
US7173426B1 (en) * | 2005-11-29 | 2007-02-06 | General Electric Company | Optical link for transmitting data through air from a plurality of receiver coils in a magnetic resonance imaging system |
CN101346637B (zh) * | 2005-12-23 | 2012-12-05 | 皇家飞利浦电子股份有限公司 | 在mr系统内对信号进行无线通信的方法和装置 |
-
2006
- 2006-12-20 CN CN200680048916.8A patent/CN101346637B/zh active Active
- 2006-12-20 JP JP2008546808A patent/JP5069693B2/ja active Active
- 2006-12-20 WO PCT/IB2006/054968 patent/WO2007072438A2/en active Application Filing
- 2006-12-20 US US12/097,554 patent/US8155101B2/en active Active
- 2006-12-20 EP EP06842625A patent/EP1966621A2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
WO2007072438A2 (en) | 2007-06-28 |
US8155101B2 (en) | 2012-04-10 |
US20080259897A1 (en) | 2008-10-23 |
CN101346637A (zh) | 2009-01-14 |
CN101346637B (zh) | 2012-12-05 |
WO2007072438A3 (en) | 2007-10-11 |
EP1966621A2 (en) | 2008-09-10 |
JP2009520556A (ja) | 2009-05-28 |
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