Electromagnetic position single axis system
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United States of America Patent
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Nov 19, 2002
Grant Date -
N/A
app pub date -
Jul 20, 2000
filing date -
Jul 20, 2000
priority date (Note) -
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Abstract
A system for determining the position of a medical device having a sensor comprises a plurality of field radiators wherein each field radiator has a plurality of radiator elements. Each radiator element generates a magnetic field such that each magnetic field is distinct from one another due to the use of a different frequency through simultaneous energizing of the radiator elements. A signal processor is operatively connected to the field radiators and the sensor of the medical device for receiving a sensing signal from the sensor indicative of the magnetic field sensed at the sensor. Alternative field radiator arrangements are also provided in conjunction with a novel algorithm utilizing a global convergent technique.
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