High magnetic field compatible interventional needle and integrated needle tracking system
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United States of America Patent
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Apr 17, 2018
Grant Date -
May 10, 2012
app pub date -
Apr 13, 2010
filing date -
Apr 20, 2009
priority date (Note) -
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Abstract
An elongate device, such as a catheter, for interventional MRI has one or more passive LC-circuits attached to its distal tip portion for position tracking. The LC-circuits includes an inductor winding and a three-dimensional “trench” capacitor. The LC-circuits are integrated in a piece of silicon. Optical fibers may be included in the device for optical probing of tissue surrounding the distal tip portion.
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