CN101581771A - 用于传输磁共振信号的装置 - Google Patents
用于传输磁共振信号的装置 Download PDFInfo
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- CN101581771A CN101581771A CNA2009101412563A CN200910141256A CN101581771A CN 101581771 A CN101581771 A CN 101581771A CN A2009101412563 A CNA2009101412563 A CN A2009101412563A CN 200910141256 A CN200910141256 A CN 200910141256A CN 101581771 A CN101581771 A CN 101581771A
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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
- G01R33/32—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
- G01R33/3664—Switching for purposes other than coil coupling or decoupling, e.g. switching between a phased array mode and a quadrature mode, switching between surface coil modes of different geometrical shapes, switching from a whole body reception coil to a local reception coil or switching for automatic coil selection in moving table MR or for changing the field-of-view
-
- 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
- G01R33/3607—RF waveform generators, e.g. frequency generators, amplitude-, frequency- or phase modulators or shifters, pulse programmers, digital to analog converters for the RF signal, means for filtering or attenuating of the RF signal
-
- 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
- G01R33/3621—NMR receivers or demodulators, e.g. preamplifiers, means for frequency modulation of the MR signal using a digital down converter, means for analog to digital conversion [ADC] or for filtering or processing of the MR signal such as bandpass filtering, resampling, decimation or interpolation
-
- 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
- G01R33/3415—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils comprising arrays of sub-coils, i.e. phased-array coils with flexible receiver channels
-
- 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
- G01R33/3628—Tuning/matching of the transmit/receive coil
- G01R33/3635—Multi-frequency operation
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
Description
输入端1 | 输入端2 | 输入端3 | 输入端4 | 输入端5 | 输入端6 | 输入端 | 输入端8 |
AS1 | AS2 | AS3 | AS4 | AS5 | AS6 | AS7 | AS8 |
输入端1 | 输入端2 | 输入端 | 输入端4 | 输入端5 | 输入端6 | 输入端7 | 输入端8 |
AS9 | AS10 | AS11 | AS12 | AS13 | AS14 | AS15 | AS16 |
信道号 | 1 | 2 | 3 | 4 | 1 | 2 | 3 | 4 | ... |
2MHz | 0° | 18° | 36° | 54° | 72° | 90° | 108° | 126° | ... |
8MHz | 0° | 72° | 144° | 216° | 288° | 0° | 72° | 144° | ... |
12MHz | 0° | 108° | 216° | 324° | 72° | 180° | 288° | 36° | ... |
18MHz | 0° | 162° | 324° | 126° | 288° | 90° | 252° | 54° | ... |
Claims (9)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008023467A DE102008023467B4 (de) | 2008-05-14 | 2008-05-14 | Anordnung zur Übertragung von Magnetresonanzsignalen |
DE102008023467.2 | 2008-05-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101581771A true CN101581771A (zh) | 2009-11-18 |
CN101581771B CN101581771B (zh) | 2013-08-21 |
Family
ID=41253622
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200910141256.3A Active CN101581771B (zh) | 2008-05-14 | 2009-05-14 | 用于传输磁共振信号的装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8055196B2 (zh) |
JP (1) | JP5574619B2 (zh) |
CN (1) | CN101581771B (zh) |
DE (1) | DE102008023467B4 (zh) |
Cited By (14)
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---|---|---|---|---|
CN102053233A (zh) * | 2009-11-06 | 2011-05-11 | 西门子公司 | 局部线圈装置中的mr信号传输 |
CN102200569A (zh) * | 2010-03-23 | 2011-09-28 | 西门子公司 | 用于具有双重频率转换的磁共振信号的传输方法 |
CN102200570A (zh) * | 2010-03-23 | 2011-09-28 | 西门子公司 | 包括至少一个线圈和至少一个同轴线的磁共振设备 |
CN102334990A (zh) * | 2010-07-20 | 2012-02-01 | 西门子公司 | 磁共振设备 |
CN102375131A (zh) * | 2010-07-20 | 2012-03-14 | 西门子公司 | 信号的预处理设备、局部线圈和提供辅助频率信号的方法 |
CN102981132A (zh) * | 2011-09-06 | 2013-03-20 | 西门子公司 | 具有接收线圈的磁共振装置和用于运行磁共振装置的方法 |
CN103105597A (zh) * | 2011-11-14 | 2013-05-15 | 西门子公司 | 磁共振断层造影系统及其接收装置和获取图像信号的方法 |
CN103166682A (zh) * | 2011-12-08 | 2013-06-19 | 上海联影医疗科技有限公司 | 磁共振信号传输方法、装置以及磁共振设备 |
CN104422914A (zh) * | 2013-09-11 | 2015-03-18 | 西门子公司 | 兼容的磁共振接收器 |
CN105717469A (zh) * | 2014-12-19 | 2016-06-29 | 西门子公司 | 级联式信号选择和集中和/或用抽取和通道预选减少数据 |
CN107462848A (zh) * | 2016-06-03 | 2017-12-12 | 西门子保健有限责任公司 | 用于经由屏蔽的对称导线传输信号的装置和方法 |
CN109085518A (zh) * | 2017-06-14 | 2018-12-25 | 西门子保健有限责任公司 | 具有频率转换器的局部线圈 |
CN113391249A (zh) * | 2020-03-13 | 2021-09-14 | 西门子医疗有限公司 | 磁共振无线接收线圈装置、磁共振信号无线接收方法及磁共振系统 |
CN113552513A (zh) * | 2020-04-24 | 2021-10-26 | 佳能医疗系统株式会社 | 高频线圈、磁共振成像装置以及数据传输方法 |
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DE102008048290A1 (de) * | 2008-09-22 | 2010-04-01 | Siemens Aktiengesellschaft | Magnetresonanzsystem mit Übertragung eines digitalisierten Magnetresonanzsignals über eine Luftstrecke |
DE102008063460B4 (de) * | 2008-12-17 | 2011-12-01 | Siemens Aktiengesellschaft | Magnetresonanz-Empfangssystem, Übertragungssignal-Empfangsbaugruppe, Magnetresonanzsystem und Verfahren zum Übertragen von MR-Antwortsignalen |
DE102009008623B3 (de) * | 2009-02-12 | 2010-12-30 | Siemens Aktiengesellschaft | Verfahren und Anordnung zur Übertragung von Magnetresonanzsignalen |
DE102009012109B4 (de) | 2009-03-06 | 2011-05-12 | Siemens Aktiengesellschaft | Digitales Verfahren zur Kanalreduktion in MR Empfangs-Systemen und entsprechende Vorrichtung |
GB0905770D0 (en) * | 2009-04-03 | 2009-05-20 | Siemens Ag | Bias control |
GB0905752D0 (en) * | 2009-04-03 | 2009-05-20 | Siemens Ag | Hybrid amplifier |
GB0905771D0 (en) | 2009-04-03 | 2009-05-20 | Siemens Ag | Motion compensation |
GB0905769D0 (en) * | 2009-04-03 | 2009-05-20 | Siemens Ag | Microwave connection |
GB2469159B (en) * | 2009-04-03 | 2011-12-21 | Siemens Ag | Upconverter |
GB0905755D0 (en) * | 2009-04-03 | 2009-05-20 | Siemens Ag | Directional coupler |
GB0905753D0 (en) * | 2009-04-03 | 2009-05-20 | Siemens Ag | Mixer |
GB0905768D0 (en) * | 2009-04-03 | 2009-05-20 | Siemens Ag | Antenna feed |
US8686725B2 (en) * | 2009-06-29 | 2014-04-01 | General Electric Company | System and apparatus for frequency translation of magnetic resonance (MR) signals |
GB0915657D0 (en) * | 2009-09-08 | 2009-10-07 | Siemens Ag | Amplifier |
DE102009047796A1 (de) * | 2009-09-30 | 2011-04-07 | Siemens Aktiengesellschaft | Kissen |
DE102010013681B4 (de) | 2010-04-01 | 2013-05-29 | Siemens Aktiengesellschaft | Korrektur sich verändernder lokaler Sendephasen bei parallelem Senden |
DE102010018001A1 (de) | 2010-04-23 | 2011-10-27 | Siemens Aktiengesellschaft | SAR- Abschätzung bei Kernspinresonanz-Untersuchungen mittels Mikrowellenthermometrie |
US9013187B2 (en) | 2011-06-16 | 2015-04-21 | General Electric Company | Balanced mixer for MRI system with a hub, intermediate frequency, oscillator, and pre-amp circuitry coupled together |
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CN103376428B (zh) * | 2012-04-26 | 2015-09-02 | 上海联影医疗科技有限公司 | 信号传输装置和磁共振成像系统 |
DE102012211312A1 (de) | 2012-06-29 | 2014-01-02 | Siemens Aktiengesellschaft | Verfahren zum gleichzeitigen Übertragen von mindestens zwei hochfrequenten Übertragungssignalen über eine gemeinsame Hochfrequenzleitung, Signalübertragungsvorrichtung und Magnetresonanztomograph |
DE102012212198B4 (de) * | 2012-07-12 | 2023-09-21 | Siemens Healthcare Gmbh | Verfahren zur Reduktion von Bewegungsartefakten in Magnetresonanzbildern sowie Magnetresonanzgerät dazu |
DE102013208475B4 (de) * | 2013-05-08 | 2014-11-27 | Siemens Aktiengesellschaft | HF-Anregung mit zwei Resonanzfrequenzen zum Nachweis des CEST-Effekts mittels einer Magnetresonanzanlage |
JP6104712B2 (ja) * | 2013-05-28 | 2017-03-29 | 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 |
DE102014203491B3 (de) * | 2014-02-26 | 2015-08-13 | Siemens Aktiengesellschaft | Magnetresonanztomograph und Verfahren zur Messsignalerfassung in einem Magnetresonanztomographen |
CN104950271B (zh) | 2014-03-28 | 2018-05-18 | 西门子(深圳)磁共振有限公司 | 磁共振成像系统的接收机和磁共振成像系统 |
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JP6929683B2 (ja) * | 2016-04-11 | 2021-09-01 | 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 |
CN107797084B (zh) | 2016-09-06 | 2020-03-06 | 西门子(深圳)磁共振有限公司 | 磁共振信号接收装置、接收线圈通道选择器及磁共振成像系统 |
US9998138B1 (en) * | 2017-09-21 | 2018-06-12 | Qualcomm Incorporated | Time-multiplexed successive approximation register (SAR) analog-to-digital converter (ADC) circuits for multi-channel receivers |
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CN111973186B (zh) * | 2019-05-22 | 2024-04-16 | 西门子(深圳)磁共振有限公司 | 磁共振信号传输线连接构造及具备其的磁共振成像设备 |
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Cited By (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102053233A (zh) * | 2009-11-06 | 2011-05-11 | 西门子公司 | 局部线圈装置中的mr信号传输 |
CN102200569B (zh) * | 2010-03-23 | 2015-07-22 | 西门子公司 | 用于具有双重频率转换的磁共振信号的传输方法 |
CN102200569A (zh) * | 2010-03-23 | 2011-09-28 | 西门子公司 | 用于具有双重频率转换的磁共振信号的传输方法 |
CN102200570A (zh) * | 2010-03-23 | 2011-09-28 | 西门子公司 | 包括至少一个线圈和至少一个同轴线的磁共振设备 |
CN102200570B (zh) * | 2010-03-23 | 2015-10-28 | 西门子公司 | 包括至少一个线圈和至少一个同轴线的磁共振设备 |
CN102375131A (zh) * | 2010-07-20 | 2012-03-14 | 西门子公司 | 信号的预处理设备、局部线圈和提供辅助频率信号的方法 |
US8866482B2 (en) | 2010-07-20 | 2014-10-21 | Siemens Aktiengesellschaft | Preprocessing circuit for receive signals of a local coil |
CN102334990B (zh) * | 2010-07-20 | 2015-07-29 | 西门子公司 | 磁共振设备 |
CN102334990A (zh) * | 2010-07-20 | 2012-02-01 | 西门子公司 | 磁共振设备 |
US9612304B2 (en) | 2011-09-06 | 2017-04-04 | Siemens Aktiengesellschaft | Magnetic resonance apparatus with wireless transmission from MRI receive coils to receiver |
CN102981132A (zh) * | 2011-09-06 | 2013-03-20 | 西门子公司 | 具有接收线圈的磁共振装置和用于运行磁共振装置的方法 |
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US20090286478A1 (en) | 2009-11-19 |
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DE102008023467A1 (de) | 2009-12-03 |
CN101581771B (zh) | 2013-08-21 |
JP2009273889A (ja) | 2009-11-26 |
US8055196B2 (en) | 2011-11-08 |
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