3 March 2017 Non-contact monitoring during laser surgery by measuring the incision depth with air-coupled transducers
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Abstract
Lack of haptic feedback during laser surgery hampers controlling the incision depth, leading to a high risk of undesired tissue damage. Here we present a new feedback sensing method that accomplishes non-contact realtime monitoring of laser ablation procedures by detecting shock waves emanating from the ablation spot with air-coupled transducers. Experiments in soft and hard tissue samples attained high reproducibity in real-time depth estimation of the laser-induced cuts. The advantages derived from the non-contact nature of the suggested monitoring approach are expected to greatly promote the general applicability of laser-based surgeries.
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Francisco Javier Oyaga Landa, Xosé Luís Deán-Ben, Francisco Montero de Espinosa, Daniel Razansky, "Non-contact monitoring during laser surgery by measuring the incision depth with air-coupled transducers", Proc. SPIE 10064, Photons Plus Ultrasound: Imaging and Sensing 2017, 100640H (3 March 2017); doi: 10.1117/12.2252660; https://doi.org/10.1117/12.2252660
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