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Theoretical invesitigation of laser treatment of ota’s nevus with external skin cooling

  • Xi'an Jiaotong University

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

Q-switched lasers are effective in the treatment of Ota’ Nevus, but complications can arise after laser treatment due to high residual temperature. In this study, a four-layer skin model for Ota’s Nevus was established and a local thermodynamic non-equilibrium two-temperature model was proposed to obtain skin temperature after treatment. Skin cooling was introduced to protect the skin from thermal damage. The effects of different cooling procedures were investigated. The results show that 1064nm laser has better performance than 755nm laser for deep-buried melanosomes. Cryogen Spray Cooling (CSC) is effective only in cooling the epidermis, while continuous cold air cooling can cause a larger drop in dermal temperature, which can effectively protect the dermis. For 755nm laser, -10°C cold air cooling for 15s combining 100ms CSC can effectively protect both the epidermis and the dermis. For 1064nm laser, 100ms CSC is necessary.

源语言英语
主期刊名International Conference on Computational Methods for Thermal Problems
编辑Nicola Massarotti, Perumal Nithiarasu, Pradip Dutta, C. Ranganayakulu
出版商Dalian University of Technology
793-796
页数4
ISBN(印刷版)9788874314591, 9788874318285
出版状态已出版 - 2018
活动5th International Conference on Computational Methods for Thermal Problems, THERMACOMP 2018 - Bengaluru, 印度
期限: 9 7月 201811 7月 2018

出版系列

姓名International Conference on Computational Methods for Thermal Problems
0
ISSN(印刷版)2305-5995
ISSN(电子版)2305-6924

会议

会议5th International Conference on Computational Methods for Thermal Problems, THERMACOMP 2018
国家/地区印度
Bengaluru
时期9/07/1811/07/18

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