Radiofrequency ablation catheter with optical tissue evaluation
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United States of America Patent
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Nov 17, 2020
Grant Date -
Jul 30, 2015
app pub date -
Jan 28, 2015
filing date -
Jan 30, 2014
priority date (Note) -
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Abstract
Systems and methods for performing RF ablation while monitoring the procedure using low coherence interferometry (LCI) data are described. A catheter includes a distal section, a proximal section, a multiplexer, and a sheath coupled between the distal section and the proximal section. The distal section includes one or more electrodes configured to apply RF energy to a portion of a sample in contact with the electrode. The distal section also includes a plurality of optical elements configured to transmit one or more beams of exposure radiation away from the distal section of the catheter. The proximal section includes an optical source configured to generate a source beam of radiation and a detector configured to generate depth-resolved optical data. The multiplexer is configured to generate the one or more beams of exposure radiation from the source beam of radiation.
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