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Proceedings Paper

Ablation effect comparison of solid state midinfrared lasers applied to TMLR
Author(s): Helena Jelinkova; Michal Nemec; Vaclav Kubecek; Jan Sulc; Daniel Dvoracek; Jan Kvasnicka; Milan R. Kokta; Mitsunobu Miyagi; Yi-Wei Shi; Yuji Matsuura
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Paper 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.

Paper Details

Date Published: 21 May 2001
PDF: 7 pages
Proc. SPIE 4244, Lasers in Surgery: Advanced Characterization, Therapeutics, and Systems XI, (21 May 2001); doi: 10.1117/12.427831
Show Author Affiliations
Helena Jelinkova, Czech Technical Univ. (Czech Republic)
Michal Nemec, Czech Technical Univ. (Czech Republic)
Vaclav Kubecek, Czech Technical Univ. (Czech Republic)
Jan Sulc, Czech Technical Univ. (Czech Republic)
Daniel Dvoracek, Czech Technical Univ. (Czech Republic)
Jan Kvasnicka, Charles Univ. (Czech Republic)
Milan R. Kokta, Bicron Crystal Products (United States)
Mitsunobu Miyagi, Tohoku Univ. (Japan)
Yi-Wei Shi, Tohoku Univ. (Japan)
Yuji Matsuura, Tohoku Univ. (Japan)


Published in SPIE Proceedings Vol. 4244:
Lasers in Surgery: Advanced Characterization, Therapeutics, and Systems XI
Lawrence S. Bass; Abraham Katzir; David S. Robinson; Hans-Dieter Reidenbach; Eugene A. Trowers; Timothy A. Woodward; Kenton W. Gregory; Lou Reinisch; C. Gaelyn Garrett; Kenneth Eugene Bartels; Lloyd P. Tate; George M. Peavy; Michael D. Lucroy; R. Rox Anderson; Kenneth Eugene Bartels; Lawrence S. Bass; C. Gaelyn Garrett; Kenton W. Gregory; Abraham Katzir; Nikiforos Kollias; Michael D. Lucroy; Reza S. Malek; J. Stuart Nelson; George M. Peavy; Hans-Dieter Reidenbach; Lou Reinisch; David S. Robinson; Lloyd P. Tate; Eugene A. Trowers; Timothy A. Woodward; Reza S. Malek, Editor(s)

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