Electromagnetic tracking system and method using a three-coil wireless transmitter
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United States of America Patent
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Mar 21, 2006
Grant Date -
May 19, 2005
app pub date -
Jun 16, 2004
filing date -
Nov 14, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
Certain embodiments of the present invention provide a system and method for electromagnetic tracking using a three-coil wireless transmitter. The electromagnetic tracking system includes an instrument manipulated by a user to perform a task, a wireless transmitter for broadcasting a wireless signal, a receiver assembly for receiving the wireless signal, and electronics for determining positioning information for the instrument based on a relationship between the receiver assembly and the wireless transmitter. In an embodiment, the wireless transmitter includes a wireless transmitter coil trio. In an embodiment, the receiver assembly includes two receiver coil trios.
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