Mechanism of laser-induced stress relaxation in cartilage

Emil N. Sobol; Alexander P. Sviridov; Alexander I. Omelchenko; Victor N. Bagratashvili; Vladimir K. Popov

doi:10.1117/12.275495

16 June 1997 Mechanism of laser-induced stress relaxation in cartilage

Emil N. Sobol, Alexander P. Sviridov, Alexander I. Omelchenko, Victor N. Bagratashvili, Vladimir K. Popov

Proceedings Volume 2975, Laser-Tissue Interaction VIII; (1997) https://doi.org/10.1117/12.275495
Event: BiOS '97, Part of Photonics West, 1997, San Jose, CA, United States

Abstract

The paper presents theoretical and experimental results allowing to discuss and understand the mechanism of stress relaxation and reshaping of cartilage under laser radiation. A carbon dioxide and a Holmium laser was used for treatment of rabbits and human cartilage. We measured temperature, stress, amplitude of oscillation by free and forced vibration, internal friction, and light scattering in the course of laser irradiation. Using experimental data and theoretical modeling of heat and mass transfer in cartilaginous tissue we estimated the values of transformation heat, diffusion coefficients and energy activation for water movement.

Citation Download Citation

Emil N. Sobol, Alexander P. Sviridov, Alexander I. Omelchenko, Victor N. Bagratashvili, and Vladimir K. Popov "Mechanism of laser-induced stress relaxation in cartilage", Proc. SPIE 2975, Laser-Tissue Interaction VIII, (16 June 1997); https://doi.org/10.1117/12.275495

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