Method and system for navigating a catheter probe in the presence of field-influencing objects
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United States of America Patent
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Sep 14, 2010
Grant Date -
Jun 26, 2003
app pub date -
Sep 23, 2002
filing date -
Oct 28, 1999
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A system for and method of determining and compensating for the effect of a field influencing object on a field sensor, preferably a coil, that is within a navigational domain. The system includes a first and second transmitter to create signals. A signal processor is able to process the created signals. The method can include determining interference and/or a correct signal based on the two signals. Also, a shield can be provided to limit transmission of selected fields.
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