Laser-induced heat diffusion limited tissue coagulation as a laser therapy mode

Ihor A. Lubashevsky; Alexander V. Priezzhev; Vasyl V. Gafiychuk

doi:10.1117/12.388023

13 June 2000 Laser-induced heat diffusion limited tissue coagulation as a laser therapy mode

Ihor A. Lubashevsky, Alexander V. Priezzhev, Vasyl V. Gafiychuk

Author Affiliations +

Proceedings Volume 3914, Laser-Tissue Interaction XI: Photochemical, Photothermal, and Photomechanical; (2000) https://doi.org/10.1117/12.388023
Event: BiOS 2000 The International Symposium on Biomedical Optics, 2000, San Jose, CA, United States

Abstract

Previously we have developed a free boundary model for local thermal coagulation induced by laser light absorption when the tissue region affected directly by laser light is sufficiently small and heat diffusion into the surrounding tissue governs the necrosis growth. In the present paper keeping in mind the obtained results we state the point of view on the necrosis formation under these conditions as the basis of an individual layer therapy mode exhibiting specific properties. In particular, roughly speaking, the size of the resulting necrosis domain is determined by the physical characteristics of the tissue and its response to local heating, and by the applicator form rather than the treatment duration and the irradiation power.

Citation Download Citation

Ihor A. Lubashevsky, Alexander V. Priezzhev, and Vasyl V. Gafiychuk "Laser-induced heat diffusion limited tissue coagulation as a laser therapy mode", Proc. SPIE 3914, Laser-Tissue Interaction XI: Photochemical, Photothermal, and Photomechanical, (13 June 2000); https://doi.org/10.1117/12.388023

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