A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 8/12 (2006.01) A61B 18/14 (2006.01) A61B 18/26 (2006.01)
Patent
CA 2615340
A system and method for opto-acoustic tissue and lesion assessment in real time on one or more of the following tissue characteristics: tissue thickness, lesion progression, lesion width, steam pop, and char formation, system includes an ablation element, laser delivery means, and an acoustic sensor. The invention involves irradiating tissue undergoing ablation treatment to create acoustic waves that have a temporal profile which can be recorded and analyzed by acoustic sampling hardware for reconstructing a cross-sectional aspect of the irradiated tissue. The ablation element (e.g., RF ablation), laser delivery means and acoustic sensor are configured to interact with a tissue surface from a common orientation; that is, these components are each generally facing the tissue surface such that the direction of irradiation and the direction of acoustic detection are generally opposite to each other, where the stress waves induced by the laser- induced heating of the tissue below the surface are reflected back to the tissue surface.
Lieber Chad A.
Sharareh Shiva
Biosense Webster Inc.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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