Tissue accessing and anchoring device and method
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United States of America Patent
Stats
-
Jan 20, 2004
Grant Date -
May 16, 2002
app pub date -
Jun 12, 2001
filing date -
Sep 1, 1998
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention provides systems, methods and a node accessing and anchoring device, comprising an elongated shaft, a tissue cutting member, at least one anchoring element extending from a position at or near the distal end of the shaft; and a radiation detector. The radiation detector is effective to locate and identify sentinel lymph nodes following injection of radioactive material into a primary lesion site within a patient. The tissue cutting member, which may be activated with radio frequency energy, is effective to allow access of the elongated shaft to a sentinel lymph node. The anchoring elements are effective to anchor the device to or adjacent a sentinel lymph node accessed by the device. Anchoring elements may assume radially, longitudinally, or mixed radially and longitudinally curved or coiled configurations when deployed.
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