Automated intraoperative ultrasound calibration
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United States of America Patent
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Aug 29, 2017
Grant Date -
May 1, 2014
app pub date -
Oct 31, 2013
filing date -
Oct 31, 2012
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Abstract
An ultrasound calibration phantom comprises a portion including at least one fiducial structure having a selected geometric arrangement; a portion adapted for mechanical coupling of the ultrasound calibration phantom to a transrectal ultrasound (TRUS) stepper; and a guide for at least one surgical instrument, the guide being mechanically coupled to the fiducial structure and/or to the TRUS stepper at a selected pose relative to the fiducial structure. A calibration method uses the calibration phantom and provides automatic, intraoperative calibration of ultrasound imaging systems. The invention is useful in ultrasound-guided clinical procedures.
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