Invasive medical device with position sensing and display
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United States of America Patent
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Sep 15, 2009
Grant Date -
Jan 2, 2003
app pub date -
Jun 17, 2002
filing date -
Mar 11, 1999
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Apparatus for performing a medical procedure on a tissue within a body of a subject includes a wireless tag configured to be fixed to the tissue and adapted to emit radiation, thereby causing first signals to be generated indicative of a location of the tag in the body. An invasive medical tool includes a probe, which is adapted to penetrate into the body so as to reach the tissue. A handle is fixed proximally to the probe, for manipulation by an operator of the tool. A display, mounted on the handle, presents a visual indication to the operator of an orientation of the probe relative to the tag. A processing unit processes the first signals so as to determine coordinates of the tag relative to the probe, and drives the display responsive to the coordinates.
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