Ablation effect comparison of solid state midinfrared lasers applied to TMLR

Helena Jelinkova; Michal Nemec; Vaclav Kubecek; Jan Sulc; Daniel Dvoracek; Jan Kvasnicka; Milan R. Kokta; Mitsunobu Miyagi; Yi-Wei Shi; Yuji Matsuura

doi:10.1117/12.427831

21 May 2001 Ablation effect comparison of solid state midinfrared lasers applied to TMLR

Helena Jelinkova, Michal Nemec, Vaclav Kubecek, Jan Sulc, Daniel Dvoracek, Jan Kvasnicka, Milan R. Kokta, Mitsunobu Miyagi, Yi-Wei Shi, Yuji Matsuura

Author Affiliations +

Proceedings Volume 4244, Lasers in Surgery: Advanced Characterization, Therapeutics, and Systems XI; (2001) https://doi.org/10.1117/12.427831
Event: BiOS 2001 The International Symposium on Biomedical Optics, 2001, San Jose, CA, United States

Abstract

Transmyocardial laser revascularization was found to be a new emerging technique for the treatment of end-stage coronary artery diseases. In our study, comparison of the ablation effect of the various infrared solid state laser radiations on myocardial tissue was studied. Tm:YAG, CTH:YAG, CTE:YAG and Er:YAG lasers with the fiber and waveguide delivery systems were prepared and the ablation coefficients for the radiation 2.01 micrometers (Tm:YAG), 2.1 micrometers (CTH:YAG), 2.67 micrometers (CTE:YAG) and 2.94 micrometers (Er:YAG) interacting with myocardial tissue were measured. From the histological examination follows that the channels ablated by Er:YAG laser radiation are without any thermal damage of the surrounding tissue and with the minimal mechanical injury, therefore Er:YAG laser could be considered as a good candidate for the TMLR.

Citation Download Citation

Helena Jelinkova, Michal Nemec, Vaclav Kubecek, Jan Sulc, Daniel Dvoracek, Jan Kvasnicka, Milan R. Kokta, Mitsunobu Miyagi, Yi-Wei Shi, and Yuji Matsuura "Ablation effect comparison of solid state midinfrared lasers applied to TMLR", Proc. SPIE 4244, Lasers in Surgery: Advanced Characterization, Therapeutics, and Systems XI, (21 May 2001); https://doi.org/10.1117/12.427831

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