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1 March 2006 Comparison of the CO2, cw Thulium and Diode laser in a thermal imaging model for the optimization of various clinical applications
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In this study, the efficacy and optimal settings of the CO2, Diode and cw Thulium laser systems were compared for various clinical applications in ENT, Lung and Neurosurgery. The experiments were performed using a specially developed setup, based on color Schlieren techniques, which enable real-time imaging of dynamic temperature gradients complimented with thermocouple measurements in a transparent tissue model in air and water. The CO2 and cw Thulium laser are both efficient in superficial tissue ablation with minimal coagulation depth. The cw Thulium laser, however, is fiber delivered and can also be used in a water. The Diode laser has a relatively deep coagulation effect. The ablation efficacy was enhanced by coating the fiber tip with carbon particles. Our thermal imaging technique was useful to develop new strategies making use of the advantages and overcoming the drawbacks of laser systems. The CO2, Diode and cw Thulium laser can be applied for similar clinical procedures using the optimal strategy and settings for each laser type. The cw 2 μm Thulium laser shows to be a versatile laser system for a broad range of applications both in air and water.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Rudolf Verdaasdonk, Alex I. Rem, Sander van Thoor, Tjeerd de Boorder, John Klaessens, and H.-O. Teichmann "Comparison of the CO2, cw Thulium and Diode laser in a thermal imaging model for the optimization of various clinical applications", Proc. SPIE 6084, Optical Interactions with Tissue and Cells XVII, 60840J (1 March 2006);


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