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Oyaga Landa, F.J. ; Dean-Ben, X.L. ; de Espinosa, F.M.* ; Razansky, D.

Noncontact monitoring of incision depth in laser surgery with air-coupled ultrasound transducers.

Opt. Lett. 41, 2704-2707 (2016)
DOI
Open Access Green as soon as Postprint is submitted to ZB.
Lack of haptic feedback during laser surgery makes it difficult to control the incision depth, leading to high risk of undesired tissue damage. Here, we present a new feedback sensing method that accomplishes noncontact real-time 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 reproducibility in real-time depth estimation of the laser-induced cuts. The advantages derived from the noncontact nature of the suggested monitoring approach are expected to advance the general applicability of laser-based surgeries.
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Publication type Article: Journal article
Document type Scientific Article
Keywords Yag Laser; Shock-waves; Ablation; Tissue; Dynamics; Er
ISSN (print) / ISBN 0146-9592
e-ISSN 1539-4794
Journal Optics Letters
Quellenangaben Volume: 41, Issue: 12, Pages: 2704-2707 Article Number: , Supplement: ,
Publisher Optical Society of America (OSA)
Publishing Place Washington
Reviewing status Peer reviewed
Institute(s) Institute of Biological and Medical Imaging (IBMI)