Electrosurgical working end for controlled energy delivery
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United States of America Patent
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Jul 4, 2006
Grant Date -
Oct 28, 2004
app pub date -
Aug 19, 2003
filing date -
Oct 18, 2001
priority date (Note) -
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Abstract
An electrosurgical working end for automatic modulation of active Rf density in a targeted tissue volume. The working end of the probe of the present invention defines a tissue-engagement surface of an elastomeric material with conductive elements that extend therethrough. In one embodiment, the expansion of the elastomeric material can de-couple the conductive elements from an interior electrode based temperature to modulate current flow. In another embodiment, the elastomeric material can couple and de-couple the conductive elements from an interior electrode based engagement pressure to modulate current flow.
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