Apparatus and method for creating, maintaining, and controlling a virtual electrode used for the ablation of tissue

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United States of America Patent

PATENT NO 9770282
SERIAL NO

11782134

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Importance

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Abstract

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An apparatus and a method for producing a virtual electrode within or upon a tissue to be treated with radio frequency alternating electric current. An apparatus in accord with the present disclosure includes a supply of a conductive or electrolytic fluid to be provided to the patient, an alternating current generator, and a processor for creating, maintaining, and controlling the ablation process by the interstitial or surficial delivery of the fluid to a tissue and the delivery of electric power to the tissue via the virtual electrode. A method in accord with the present disclosure includes delivering a conductive fluid to a predetermined tissue ablation site for a predetermined time period, applying a predetermined power level of radio frequency current to the tissue, monitoring at least one of several parameters, and adjusting either the applied power and/or the fluid flow in response to the measured parameters.

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Patent Owner(s)

Patent OwnerAddress
MEDTRONIC INCMINNEAPOLIS MN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Christopherson, Mark A Shoreview, US 69 8102
Goetz, Steven M Brooklyn Center, US 161 14208
Hoey, Michael F Shoreview, US 86 17548

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