Needle kit and method for microwave ablation, track coagulation, and biopsy
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United States of America Patent
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-
Jan 9, 2007
Issued Date -
N/A
app pub date -
May 1, 2003
filing date -
Jun 17, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A modular biopsy, ablation and track coagulation needle apparatus is disclosed that allows the biopsy needle to be inserted into the delivery needle and removed when not needed, and that allows an inner ablation needle to be introduced and coaxially engaged with the delivery needle to more effectively biopsy a tumor, ablate it and coagulate the track through ablation while reducing blood loss and track seeding. The ablation needle and biopsy needle are adapted to in situ assembly with the delivery needle. In a preferred embodiment, the ablation needle, when engaged with the delivery needle forms a coaxial connector adapted to electrically couple to an ablating source. Methods for biopsying and ablating tumors using the device and coagulating the track upon device removal are also provided.
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