Surgery – Instruments – Electrical application
Patent
1995-08-15
1997-11-04
Sykes, Angela D.
Surgery
Instruments
Electrical application
606 48, 607156, 607101, A61B 1739
Patent
active
056833849
ABSTRACT:
An ablation apparatus has a multiple antenna device of adjustable length including an adjustable length primary antenna and an adjustable length secondary antenna. The primary antenna has a longitudinal axis, and the secondary antenna is deployed in a direction lateral to the longitudinal axis. The secondary antenna is constructed to be structurally less rigid than the primary antenna. The adjustable lengths of the primary and secondary antennas permits a desired geometric ablation of a selected tissue mass. An adjustable insulation sleeve is positioned on an exterior of one of the primary or secondary antennas. An energy source is connected to the multiple antenna device. A variety of energy sources can be used including RF, microwave and laser.
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Edwards Stuart D.
Gough Edward J.
Stein Alan A.
Peffley Michael
Sykes Angela D.
Zomed
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