Biopsy device and method of use
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United States of America Patent
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Dec 24, 2002
Issued Date -
N/A
app pub date -
Nov 16, 2000
filing date -
Mar 3, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
A device and method of using the device to access a desired tissue site within a patient's body and separating a tissue specimen from the tissue site suitable for evaluation. The device includes a probe member having an arcuate tissue cutting RF powered electrode secured to and distally spaced from the distal end of the probe and a small dimensioned distal extremity which when an inner lumen thereof is subjected to a vacuum, secured tissue for the specimen to the surface of the distal extremity. A circular RF powered cutting electrode preferably secured to and spaced from the distal end of an outer sheath which when operatively energized with high frequency electrical power and longitudinally moved along the shaft of the probe member severs the tissue specimen secured to the surface of the distal extremity of the probe member from the tissue site. The outer sheath covers the separated specimen.
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