Investigation of endovenous laser ablation of varicose veins in vitro using 1.885-μm laser radiation

被引:30
作者
Belyaev, Alexander N. [1 ]
Chabushkin, Alexey N. [1 ]
Khrushchalina, Svetlana A. [1 ]
Kuznetsova, Oksana A. [1 ]
Lyapin, Andrey A. [1 ,2 ]
Romanov, Konstantin N. [1 ]
Ryabochkina, Polina A. [1 ]
机构
[1] Ogarev Mordovia State Univ, 68 Bolshevistskaya Str, Saransk 430005, Russia
[2] Kazan Fed Univ, 18 Kremlyovskaya St, Kazan 420008, Russia
关键词
Endovenousablation; Laser radiation; Histologic analysis; GREAT SAPHENOUS-VEIN; NM DIODE-LASER; THERMAL-DAMAGE; ENERGY; MECHANISMS; OCCLUSION; OUTCOMES; REFLUX; FIBER; WALL;
D O I
10.1007/s10103-016-1877-z
中图分类号
R318 [生物医学工程];
学科分类号
0831 ;
摘要
This paper presents the results of endovenous laser ablation (EVLA) of varicose veins in vitro using radiation of a solid-state laser based on the crystal LiYF4:Tm, with a wavelength of 1.885 mu m and power output of around 3 W. An experimental series with saline solution and red blood cell (RBC) suspension in the venous lumen was performed to identify the impact of a heated carbonized layer precipitated on the fiber end face versus the efficiency of EVLA. Results of these experiments confirmed that the presence of a heated carbonized layer on the fiber end face increases the efficiency of EVLA.
引用
收藏
页码:503 / 510
页数:8
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