Comparison of the CO2, cw Thulium and Diode laser in a thermal imaging model for the optimization of various clinical applications

Rudolf Verdaasdonk*, Alex I. Rem, Sander Van Thoor, Tjeerd De Boorder, John Klaessens, H. O. Teichmann

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

1 Citation (Scopus)
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Abstract

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.

Original languageEnglish
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
DOIs
Publication statusPublished - 8 May 2006
Externally publishedYes
EventOptical Interactions with Tissue and Cells XVII 2006 - San Jose, United States
Duration: 23 Jan 200625 Jan 2006

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume6084
ISSN (Print)0277-786X

Conference

ConferenceOptical Interactions with Tissue and Cells XVII 2006
CountryUnited States
CitySan Jose
Period23/01/0625/01/06

Keywords

  • 2 μm cw laser
  • 2 micron cw laser
  • Co laser
  • Diode laser
  • Laser-tissue interaction
  • Temperature measurements
  • Thermal imaging
  • Thulium laser

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