Surgery – Instruments – Electrical application
Reexamination Certificate
2007-05-29
2007-05-29
Peffley, Michael (Department: 3739)
Surgery
Instruments
Electrical application
C607S101000
Reexamination Certificate
active
10800451
ABSTRACT:
Methods for performing coagulation necrosis of biological tissue are provided. The methods include configuring electrode arrays to provide balanced energy density in target tissue volumes using two or more pair of electrodes. The electrode array configuration includes at least one of irregular spacing between one or more pairs of electrodes and one or more electrode diameters. The methods further include deploying each electrode of an array at a selected depth in the target tissue volume in accordance with the configuration. Energy is then delivered to the target tissue volume using power sources coupled to the electrodes. The methods control power delivery in response to at least one of elapsed time of delivery, temperatures of the target tissue volume, and impedance levels in the target tissue volume to provide balanced or uniform energy throughout the target tissue volume. The methods generate planes of coagulated tissue.
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Daniel Steven A.
Morris David L.
Courtney Staniford & Gregory LLP
Peffley Michael
Resect Medical, Inc.
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