Investigation of water spray to reduce collateral thermal damage during laser resection of soft tissue

D. Theisen-Kunde; H. Wolken; D. Ellebrecht; V. Danicke; L. Wurster; M. Kleemann; R. Birngruber

doi:10.1117/12.2032384

24 June 2013 Investigation of water spray to reduce collateral thermal damage during laser resection of soft tissue

D. Theisen-Kunde, H. Wolken, D. Ellebrecht, V. Danicke, L. Wurster, M. Kleemann, R. Birngruber

Proceedings Volume 8803, Medical Laser Applications and Laser-Tissue Interactions VI; 88030F (2013) https://doi.org/10.1117/12.2032384
Event: European Conferences on Biomedical Optics, 2013, Munich, Germany

Abstract

To reduce unwanted collateral thermal damage to surrounding tissue and organs during laparoscopic laser dissection (cw, wavelength: 1.9μm) of porcine liver water spray was used. Size and amount of the produced water droplets of the water spray were photographed by short time imaging and analyzed by imaging software. At in vivo measurements on fresh porcine liver the depth of thermal damage was reduced by 85 % with water spray and the lateral size of thermal damage at the tissue surface could be reduced by 67%. This results show that especially for laparoscopic laser surgery water spray application might be a useful tool to avoid unwanted collateral thermal damage.

Citation Download Citation

D. Theisen-Kunde, H. Wolken, D. Ellebrecht, V. Danicke, L. Wurster, M. Kleemann, and R. Birngruber "Investigation of water spray to reduce collateral thermal damage during laser resection of soft tissue ", Proc. SPIE 8803, Medical Laser Applications and Laser-Tissue Interactions VI, 88030F (24 June 2013); https://doi.org/10.1117/12.2032384

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