STRAIGHT NEEDLE APPARATUS FOR CREATING A VIRTUAL ELECTRODE USED FOR THE ABLATION OF TISSUE
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United States of America Patent
Stats
-
Oct 16, 2001
Grant Date -
Nov 15, 2001
app pub date -
Jul 6, 1999
filing date -
Jul 7, 1998
priority date (Note) -
Granted
status (Latency Note)
Importance
Abstract
A surgical apparatus for delivering a conductive fluid to a target site for ablating bodily tissue. The apparatus includes a tube fluidly connected to a source of conductive fluid. The tube defines a proximal portion, a distal portion and a central pathway. The central pathway extends from the proximal portion to the distal portion and is configured to direct flow of conductive fluid to the distal portion. The distal portion is configured for placement at a target site of bodily tissue and forms a helical slot. The helical slot is configured to allow flow of conductive fluid from the central pathway. Following delivery of the conductive fluid, an electrical current is applied to create a virtual electrode for ablating bodily tissue at the target site.
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