SYSTEMS AND METHODS FOR OPTICAL ANALYSIS AND CONTACT STABILITY USING ABLATION CATHETERS
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United States of America Patent
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Issued Date -
Jun 27, 2024
app pub date -
Dec 21, 2023
filing date -
Dec 22, 2022
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Abstract
Described herein are systems and methods for performing optical signal analysis for tissue ablation using a catheter having viewports. A method includes transmitting illumination toward a target tissue via the viewport. The method also includes receiving, at a first viewport, a first scattered illumination from the target tissue and generating a first measurement signal based on the first scattered illumination. The method also includes receiving, at the first viewport, a second scattered illumination from the target tissue after the receiving of the first scattered illumination and generating a second measurement signal based on the second scattered illumination. The method also includes determining whether the viewport is in contact with the target tissue based on a first difference among the plurality of optical measurements meeting or crossing a first threshold value, wherein the first difference comprises a difference between the first and second measurement signals.
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