WO2004089211A3 - Wireless digital transmission of mr signals - Google Patents

Wireless digital transmission of mr signals Download PDF

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Publication number
WO2004089211A3
WO2004089211A3 PCT/IB2004/050378 IB2004050378W WO2004089211A3 WO 2004089211 A3 WO2004089211 A3 WO 2004089211A3 IB 2004050378 W IB2004050378 W IB 2004050378W WO 2004089211 A3 WO2004089211 A3 WO 2004089211A3
Authority
WO
WIPO (PCT)
Prior art keywords
processing unit
signal
signal processing
signals
digital transmission
Prior art date
Application number
PCT/IB2004/050378
Other languages
French (fr)
Other versions
WO2004089211A2 (en
Inventor
Hans H Tuithof
Boef Johannes H Den
Johan E W Vrijheid
Dirk Sinnema
Original Assignee
Koninkl Philips Electronics Nv
Hans H Tuithof
Boef Johannes H Den
Johan E W Vrijheid
Dirk Sinnema
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Koninkl Philips Electronics Nv, Hans H Tuithof, Boef Johannes H Den, Johan E W Vrijheid, Dirk Sinnema filed Critical Koninkl Philips Electronics Nv
Publication of WO2004089211A2 publication Critical patent/WO2004089211A2/en
Publication of WO2004089211A3 publication Critical patent/WO2004089211A3/en

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
    • G01R33/36—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
    • 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

Abstract

A magnetic resonance examination apparatus including a receiving assembly located in the vicinity of an examination zone for producing a signal in response to spin resonance signals for transmission to a signal processing unit. To overcome problems associated with metallic cable connections between the signal generator and the signal processing unit, and to overcome problems associated with existing non-metallic connections, the receiving assembly comprises a digitizer for generating a digital electromagnetic signal for transmission to the signal processing unit.
PCT/IB2004/050378 2003-04-10 2004-04-01 Wireless digital transmission of mr signals WO2004089211A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP03100968 2003-04-10
EP03100968.1 2003-04-10

Publications (2)

Publication Number Publication Date
WO2004089211A2 WO2004089211A2 (en) 2004-10-21
WO2004089211A3 true WO2004089211A3 (en) 2004-12-16

Family

ID=33155229

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2004/050378 WO2004089211A2 (en) 2003-04-10 2004-04-01 Wireless digital transmission of mr signals

Country Status (1)

Country Link
WO (1) WO2004089211A2 (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7378844B2 (en) * 2004-09-30 2008-05-27 General Electric Company Magnetic resonance system, receiver & method of generating detecting and digitizing analog MR signals solely within the MR shielded environment
WO2006048816A1 (en) * 2004-11-04 2006-05-11 Koninklijke Philips Electronics N.V. Rf receive coil assembly with individual digitizers and means for synchronization thereof
EP1831710B1 (en) 2004-12-21 2012-03-28 Koninklijke Philips Electronics N.V. Magnetic resonance device and method
WO2006103591A1 (en) * 2005-03-31 2006-10-05 Koninklijke Philips Electronics N.V. Mri system comprising a scan room interface for a/d-conversion of mr signals between a receiver coil unit and a remote signal processing unit
JP2009511105A (en) * 2005-10-06 2009-03-19 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 Cable-free MR coil
US7777490B2 (en) 2005-10-11 2010-08-17 Koninklijke Philips Electronics N.V. RF antenna with integrated electronics
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
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
JP2009542295A (en) * 2006-06-30 2009-12-03 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 Radio frequency surface coil with on-board digital receiver circuit
WO2008026173A2 (en) * 2006-08-30 2008-03-06 Koninklijke Philips Electronics N.V. Digitized mr signal data encoding with variable bit rate
WO2008155703A1 (en) 2007-06-19 2008-12-24 Koninklijke Philips Electronics N.V. Mri radio frequency receiver comprising digital down converter
WO2009069097A1 (en) 2007-11-30 2009-06-04 Koninklijke Philips Electronics N.V. Mr coils with an active electronic component having an indirect power connection
CN102066967B (en) * 2008-06-20 2015-11-25 皇家飞利浦电子股份有限公司 The electric parts of inductively powering of MRI equipment
US9094943B2 (en) 2008-09-19 2015-07-28 Qualcomm Incorporated Network and mobile device initiated quality of service
EP2270529A1 (en) * 2009-07-03 2011-01-05 Koninklijke Philips Electronics N.V. Detunable RF reception antenna device
CN102656472B (en) 2009-12-17 2015-11-25 皇家飞利浦电子股份有限公司 There is the Direct Digital receiver of local free-running operation clock
KR101229499B1 (en) 2011-11-17 2013-02-04 삼성전자주식회사 Apparatus and method for synchronizing clock between devices of mri system
KR20130091444A (en) * 2012-02-08 2013-08-19 삼성전자주식회사 Magnetic resonance imaging device
US10073154B2 (en) 2013-03-13 2018-09-11 Koninklijke Philips N.V. Multi-element RF transmit coil for magnetic resonance imaging
CN105190341B (en) * 2013-05-02 2019-05-28 皇家飞利浦有限公司 The removeably received device block including digital quantizer for serial local RF coil
JP6115924B2 (en) * 2013-06-06 2017-04-19 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． RF shielded laboratory of magnetic resonance imaging system
JP6946291B2 (en) 2015-11-20 2021-10-06 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． Wireless coupling of high data rate and real-time operating systems for medical imaging systems and how they operate
EP3382410A1 (en) 2017-03-30 2018-10-03 Koninklijke Philips N.V. Mri system with optimized rf transmit and receive capabilities
EP4148447A1 (en) * 2021-09-10 2023-03-15 Siemens Healthcare GmbH Pilot signal generator, magnetic resonance imaging device, method for transmitting a synchronizing signal, and computer program product

Citations (4)

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Publication number Priority date Publication date Assignee Title
US5384536A (en) * 1992-03-19 1995-01-24 Hitachi, Ltd. Nuclear magnetic resonanace inspection apparatus and its method
US5491415A (en) * 1992-03-05 1996-02-13 Picker International, Inc. Magnetic resonance scanner with improved packaging for circuitry within the magnetic field
EP1193506A2 (en) * 2000-09-29 2002-04-03 Siemens Aktiengesellschaft Method for sampling a high frequency receiver signal, in particular a high frequency signal of a receiver coil of a magnetic resonance apparatus
US20030062895A1 (en) * 2001-10-01 2003-04-03 Siemens Aktiengesellschaft Method and device for transmitting a magnetic resonance signal

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5491415A (en) * 1992-03-05 1996-02-13 Picker International, Inc. Magnetic resonance scanner with improved packaging for circuitry within the magnetic field
US5384536A (en) * 1992-03-19 1995-01-24 Hitachi, Ltd. Nuclear magnetic resonanace inspection apparatus and its method
EP1193506A2 (en) * 2000-09-29 2002-04-03 Siemens Aktiengesellschaft Method for sampling a high frequency receiver signal, in particular a high frequency signal of a receiver coil of a magnetic resonance apparatus
US20030062895A1 (en) * 2001-10-01 2003-04-03 Siemens Aktiengesellschaft Method and device for transmitting a magnetic resonance signal

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ELLIOTT M A ET AL: "IMPROVED RESOLUTION AND SIGNAL-TO-NOISE RATIO IN MRI VIA ENHANCED SIGNAL DIGITIZATION", JOURNAL OF MAGNETIC RESONANCE, ACADEMIC PRESS, ORLANDO, FL, US, vol. 130, no. 2, 1 February 1998 (1998-02-01), pages 300 - 304, XP000734746, ISSN: 1090-7807 *
SETHI M ET AL: "DIGITISING THE WIRELESS MRI LINK: A SPACE-TIME CDMA APPROACH", PROCEEDINGS OF THE AUSTRALIAN AND NEW ZEALAND CONFERENCE ON INTELLIGENT INFORMATION SYSTEMS. PROCEEDINGS OF ANZIIS, XX, XX, 18 November 2001 (2001-11-18), pages 31 - 35, XP009007102 *

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