System and method for stabilizing surface coil

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United States of America Patent

PATENT NO 11747416
SERIAL NO

17716230

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A preamplifier arrangement for an MRI system includes a preamplifier coupled to a loop of a multi-channel coil array of the MRI system, wherein the preamplifier and the loop are subject to potentially form an unstable system with oscillation at one or more peak frequencies. The preamplifier arrangement also includes an impedance matching network disposed between and coupled to the preamplifier and the loop. The impedance matching network is configured to generate a high blocking impedance. The preamplifier arrangement further includes an input network disposed between and coupled to the preamplifier and the loop. The input network is configured to provide an input to suppress gain at the one or more peak frequencies.

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Patent Owner(s)

  • GE PRECISION HEALTHCARE LLC

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Grafendorfer, Thomas Mill Valley, US 6 56
Robb, Fraser John Laing Aurora, US 25 104
Stickle, Yun-Jeong Solon, US 15 23
Stormont, Robert Steven Hartland, US 28 321
Taracila, Victor Beachwood, US 43 232
Vannatta, Louis Jay Crystal Lake, US 17 431

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