间接激光手术模型。
Model for indirect laser surgery.
作者信息
Sapogova Natalia, Bredikhin Vladimir, Bityurin Nikita, Kamensky Vladislav, Zhigarcov Vjacheslav, Yusupov Vladimir
机构信息
Institute of Applied Physics of the Russian Academy of Science, Federal State Budgetary Institution of Science, 46 Ulyanova Street, Nizhny Novgorod, 603950, Russia.
Institute of Photon Technologies of Federal Scientific Research Center, "Crystallography and Photonics" RAS, Troitsk, Moscow 142190, Russia.
出版信息
Biomed Opt Express. 2016 Dec 8;8(1):104-111. doi: 10.1364/BOE.8.000104. eCollection 2017 Jan 1.
We present a theoretical model for laser cutting of biological tissue by a strongly heated fiber tip with a highly absorbing coating. A significant dependence of the cutting speed and cutting depth on the inclination angle of the scalpel to the surface when scattering exceeds absorption in the biological tissue is shown. Experimental evidences of this effect are presented. In the experiment, we used silica fiber with coating made of carbon and silicon organic varnish, the 0.97-µm wavelength laser and porcine skin. The additional opportunity to increase the efficiency of cutting by deposition of the absorbing layer on the tissue surface is considered.
我们提出了一种理论模型，用于通过具有高吸收涂层的强热光纤尖端对生物组织进行激光切割。结果表明，当生物组织中的散射超过吸收时，切割速度和切割深度对手术刀与表面倾斜角度存在显著依赖性。文中给出了这种效应的实验证据。在实验中，我们使用了涂有碳和有机硅清漆的石英光纤、波长为0.97微米的激光以及猪皮。文中还考虑了通过在组织表面沉积吸收层来提高切割效率的额外可能性。
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