Multiple antenna ablation apparatus and method
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United States of America Patent
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Jun 22, 1999
Issued Date -
N/A
app pub date -
Nov 3, 1997
filing date -
Aug 15, 1995
priority date (Note) -
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status (Latency Note)
Importance
Abstract
An ablation treatment apparatus has a multiple antenna device. The multiple antenna device includes a primary antenna with a lumen and a longitudinal axis, and a secondary antenna positionable in the lumen. At a selected tissue site the secondary antenna is deployed in a lateral direction relative to the longitudinal axis of the primary antenna. At least a portion of a distal end of the secondary antenna is structurally less rigid than the primary antenna. The primary antenna is constructed to be rigid enough to be introduced through tissue. A cable couples one or both of the antennas to an energy source.
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