Apparatus, systems, and methods of in-vivo blood clearing in a lumen
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United States of America Patent
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Dec 27, 2016
Grant Date -
Nov 21, 2013
app pub date -
Feb 28, 2013
filing date -
Sep 23, 2009
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Abstract
In one aspect, the invention relates to a computer-implemented method of triggering optical coherence tomography data collection. The method includes collecting optical coherence tomography data with respect to a vessel using an optical coherence tomography probe disposed in the vessel; determining a clearing radius and a quality value for each frame of optical coherence tomography data collected for the vessel using a computer; determining if a blood clearing state has occurred using at least one clearing radius and at least one quality value; and generating a trigger signal in response to the blood clearing state.
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