Systems and methods for making and using a motor distally-positioned within a catheter of an intravascular ultrasound imaging system
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United States of America Patent
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Oct 30, 2012
Grant Date -
Sep 30, 2010
app pub date -
Mar 31, 2009
filing date -
Mar 31, 2009
priority date (Note) -
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Abstract
A catheter assembly for an intravascular ultrasound system includes an imaging core configured and arranged for inserting into a distal end of a lumen of a catheter. The imaging core includes at least one transducer mounted to a driveshaft and configured and arranged for transforming applied electrical signals to acoustic signals and also for transforming received echo signals to electrical signals. A motor is coupled to the driveshaft between the one or more transducers and the transformer. The motor includes a rotatable magnet and at least two magnetic field windings disposed around at least a portion of the magnet.
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