Surgery – Instruments – Electrical application
Patent
1995-12-19
1998-04-07
Bahr, Jennifer
Surgery
Instruments
Electrical application
606 42, 606 48, 606 45, 606 15, 607101, 607102, A61B 1739
Patent
active
057358478
ABSTRACT:
An ablation apparatus includes a multiple antenna device coupled to an electromagnetic energy source that produces an electromagnetic energy ablation output. The multiple antenna device includes a primary antenna with a lumen and a longitudinal axis, and a secondary antenna deployable from the lumen in a lateral direction relative to the longitudinal axis. At least a distal end of each secondary antenna is structurally less rigid than the primary antenna, and the primary antenna is sufficiently rigid to be introduced through tissue. At least one cable coupling the multiple antenna device to the energy source. A cooling element is coupled to the primary antenna. A variety of energy sources can be used including RF, microwave and laser.
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Gough Edward J.
Stein Alan A.
Bahr Jennifer
Peffley Michael
ZoMed International, Inc.
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