System and methods for locating and guiding operative elements within interior body regions
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United States of America Patent
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Feb 11, 2003
Issued Date -
N/A
app pub date -
Jun 2, 2000
filing date -
Oct 11, 1994
priority date (Note) -
Expired
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Abstract
Systems and methods for locating an operative element within an interior body space use a locating probe, which includes at least one transmitting element to transmit an electric waveform output within at least a portion of the space. The systems and methods also use a sensing element, which is adapted to be carried by the operative element to sense a local electric waveform within the space. A processing element coupled to the sensing element generates a processed output that locates the sensing element relative to the locating probe based, at least in part, upon a differential comparison of the waveform output and the sensed local waveform.
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