Medical Lasers; Engineering, Basic Research, and Clinical Application  
Development of Minimally Invasive Mid-infrared Lipolysis Laser System for Effective Fat Reduction
Ji-Young Lee, Han Young Ryu, Young-Seok Seo
R&D Center, Wontech Co., Ltd., Daejeon, Korea
Correspondence to: Ji-Young Lee
R&D Center Wontech Co., Ltd., 64 techno 8-ro, Yuseong-gu, Daejeon 34028, Korea
Tel.: +82-70-7841-6526
Fax: +82-70-7863-3350
E-mail: yw106707@wtlaser.com
Received: March 8, 2021; Accepted: March 31, 2021; Published online: April 21, 2021.
© Korean Society for Laser Medicine and Surgery. All rights reserved.

This is an open access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
A mid-infrared lipolysis laser system was developed with two wave-lengths, 1,980 nm and 2,300 nm. The 1,980-nm and 2,300-nm wave-lengths have high absorption rates for fat and water. The world's first com mercially available lipolysis laser system was developed using these wavelength characteristics. The laser system with a compact design used an 808-nm laser diode and neodymium:yttrium othovanadate crystal that generates a 1,064-nm wavelength with a periodically polarized nonlinear crystal pumping laser beam. A preclinical study was conducted to confirm the safety and efficacy of the lipolysis laser system. A safe and rapid lipolysis laser system was developed as a minimally invasive method.
Keywords: Mid-infrared; Lipolysis laser; Nonlinear crystal; Preclinical


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