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26 February 2019 The new method for treatment of larynx stenosis based on transplantation of rib cartilage reshaped with 1.56-μm laser radiation
O. I. Baum, Yu. M. Alexandrovskaya, S. V. Starostina, V. M. Svistuskin, E. N. Sobol
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Proceedings Volume 10853, Optical Imaging, Therapeutics, and Advanced Technology in Head and Neck Surgery and Otolaryngology 2019; 108530G (2019) https://doi.org/10.1117/12.2511410
Event: SPIE BiOS, 2019, San Francisco, California, United States
Abstract
Cartilage is the best nature material for transplantation. Laser reshaping of cartilage allows obtaining any desirable shape of the implant. This work continues the interdisciplinary studies on laser-induced development of stable costal cartilage implants, the most promising biological object for the manufacture of implants (grafts) used in otolaryngology and maxillofacial surgery, in particular, in recovering tracheal defects for the treatment of larynx stenosis. We used 1560 nm fiber laser with feedback control system measuring tissue temperature in the course of laser irradiation.

The thermomechanical IR-laser effect on reshaping process for ENT is studied. The possibility and conditions of the laser reshaping of costal cartilage for stable human implants are investigated. The causes of nonlinear thermomechanical behavior of cartilage and its influence on controlled reshaping and stability of costal cartilage for ENT are discussed. Clinical trials for 5 patients with one and a half year follow-up observation demonstrate stable positive results.
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O. I. Baum, Yu. M. Alexandrovskaya, S. V. Starostina, V. M. Svistuskin, and E. N. Sobol "The new method for treatment of larynx stenosis based on transplantation of rib cartilage reshaped with 1.56-μm laser radiation", Proc. SPIE 10853, Optical Imaging, Therapeutics, and Advanced Technology in Head and Neck Surgery and Otolaryngology 2019, 108530G (26 February 2019); https://doi.org/10.1117/12.2511410
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KEYWORDS
Cartilage
Laser irradiation
Tissues
Transplantation
Laser tissue interaction
Surgery
Control systems
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