ACTIVE B1+ SHIMMING OF TRANSMISSION COILS

WIPO Patent Application WO/2019/137984

A1

The invention provides for a magnetic resonance imaging system (100) comprising a radio frequency system (116, 114, 118) configured for acquiring magnetic resonance data (144) from an imaging zone (108). The radio frequency system is configured for sending and receiving radio frequency signals to acquire the magnetic resonance data, wherein the radio frequency system comprises: an elliptical transmission coil (114) configured for generating a B1+ excitation field within the imaging zone; and an active B1 shim coil (118) configured for being placed within the imaging zone, wherein the radio frequency system is configured for suppling radio frequency power to the active B1 shim coil during the generation of the B1+ excitation field by the elliptical transmission coil, wherein the B1 shim coil is configured for shimming the B1+ excitation field within the imaging zone.

WO/2004/001434	LOW ESR SWITCH FOR NUCLEAR RESONANCE MEASUREMENTS
JP3517019	MAGNETIC RESONANCE DIAGNOSTIC SYSTEM
JP5030784	RF receiver coil unit with individual digitizer and means for synchronization thereof

LEUSSLER CHRISTOPH (NL)
VERNICKEL PETER (NL)
LIPS OLIVER (NL)
SCHMALE INGO (NL)
WIRTZ DANIEL (NL)

PCT/EP2019/050517

July 18, 2019

January 10, 2019

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KONINKLIJKE PHILIPS NV (NL)

G01R33/36; G01R33/565; G01R33/34; G01R33/3415

WO2016157063A1	2016-10-06
WO2008100546A1	2008-08-21

US20150226820A1	2015-08-13
US20130021033A1	2013-01-24
US20130278262A1	2013-10-24
US20130165768A1	2013-06-27
US6023167A	2000-02-08

ALLART, René et al. (NL)

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