Magnetic resonance imaging interference immune device

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United States of America Patent

PATENT NO 7742825
APP PUB NO 20080058913A1
SERIAL NO

11846558

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Abstract

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A voltage compensation unit reduces the effects of induced voltages upon a device having a single wire line. The single wire line has balanced characteristic impedance. The voltage compensation unit includes a tunable compensation circuit connected to the wire line. The tunable compensation circuit applies supplemental impedance to the wire line. The supplemental impedance causes the characteristic impedance of the wire line to become unbalanced, thereby reducing the effects of induced voltages caused by changing magnetic fields.

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Patent Owner(s)

Patent OwnerAddress
MEDTRONIC INC710 MEDTRONIC PARKWAY MINNEAPOLIS MN 55432

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gray, Robert W Rochester, US 93 2462
MacDonald, Stuart G Pultneyville, US 101 4819

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