Results 11 to 20 of about 80,245 (307)

Laser coagulation and hemostasis of large diameter blood vessels: effect of shear stress and flow velocity [PDF]

Scientific Reports, 2022
Photocoagulation of blood vessels offers unambiguous advantages to current radiofrequency approaches considering the high specificity of blood absorption at available laser wavelengths (e.g., 532 nm and 1.064 µm).
Nitesh Katta, Daniel Santos, Austin B. McElroy, Arnold D. Estrada, Glori Das, Mohammad Mohsin, Moses Donovan, Thomas E. Milner   +7 more
doaj   +2 more sources

Feasibility of fetoscopic laser coagulation in triplet pregnancy [PDF]

Obstetrics & Gynecology Science, 2023
Objective To report the experiences of triplet pregnancies complicated by twin-to-twin transfusion syndrome (TTTS) treated with fetoscopic laser coagulation at a single center.
You Mi Hong, Hye-Sung Won, Ah Hyun Lee, Mi-Young Lee   +3 more
doaj   +2 more sources

Anatomical effects of ablation of the anterior retina in small animal eyes [PDF]

BMC Ophthalmology
Background To provide anatomical data after cryo and laser ablation of the anterior retina in mice, rats, and rabbits as a prerequisite to make surgical procedures in these species safer. Methods 12 eyes per species of C57BL/6J wild-type (wt) mice, Brown
Jiayun Wang, Tibor Lohmann, Yuli Wu, Kim Schaffrath, Henning Konermann, Kaan Keven, Frederic Balcewicz, Sandra Johnen, Johannes Stegmaier, Peter Walter, Sabine Baumgarten   +10 more
doaj   +2 more sources

Comparison of cutting and coagulation properties of 1.56 and 1.94 µm fiber lasers and a 0.98 µm semiconductor laser

Бюллетень сибирской медицины, 2022
Aim of the study was to compare the cutting and coagulation properties of 1.56 and 1.94 μm fiber lasers with those of a 0.98 μm semiconductor laser.Materials and methods. A comparative study of the biological effects of 1.56 and 1.94 µm lasers and a 0.98
M. A. Ryabova, M. Yu. Ulupov, N. A. Shumilova, G. V. Portnov, E. K. Tikhomirova, M. E. Malkova   +5 more
doaj   +1 more source

LASER HEATING NUMERICAL SIMULATION OF TITANIUM-CONTAINING OPTOTHERMAL FIBER CONVERTER AND VEIN WALL DURING ENDOVASAL LASER COAGULATION [PDF]

Научно-технический вестник информационных технологий, механики и оптики, 2020
Subject of Research. The paper presents numerical methods that first studied laser heating of titanium-containing optothermal fiber converter and vein wall, as well as the effect of thermal damage of the vein wall during endovasal laser coagulation with ...
Andrey V. Belikov, Do Thanh Tung, Yu. V. Semyashkina   +2 more
doaj   +1 more source

Algorithm for the treatment of advanced proliferative diabetic retinopathy

Офтальмохирургия, 2023
Purpose. To develop an algorithm for the treatment of patients with advanced proliferative diabetic retinopathy with the determination of the stages of laser and surgical methods and evaluate its effectiveness. Material and methods.
A.V. Tereshchenko, I.G. Trifanenkova, Yu.A. Sidorova, E.V. Erokhina, N.M. Shilov, N.N. Yudina, O.M. Zhukova   +6 more
doaj   +1 more source

Development a Method for Estimating a Safe Distance between Coagulates to Automatically Plan Retinal Laser Coagulation in Diabetic Retinopathy Treatment

Известия высших учебных заведений России: Радиоэлектроника, 2021
Introduction. Diabetes mellitus is a common endocrine disease that can lead to retinal vascular damage caused by the spread of macular edema and the development of diabetic retinopathy.
A. S. Shirokanev
doaj   +1 more source

Treating diabetic macular edema: comparative efficacy of 577 nm laser navigation exposure and threshold 532 nm laser coagulation combined with anti-angiogenic therapy

Российский офтальмологический журнал, 2022
The Navilas 577 laser system integrates a laser coagulator with a tracking system and a fundus camera. The system ensures operation planning and representing the results of optical coherence tomography on the fundus image, which makes the treatment fast,
I. A. Krylova, N. V. Yablokova, O. L. Fabrikantov   +2 more
doaj   +1 more source

Ex vivo vaporization performance study of human prostate tissue using in-house designed thulium fiber laser

Annals of Medical Science and Research, 2023
Introduction: Laser technologies including thulium, Holmium: Yttrium aluminum garnet (Ho: YAG), Potassium-titanyl-phosphate and diode laser have been explored in recent years for the treatment of benign prostatic hyperplasia.
Krishnendu Maiti, Bikram Haldar, Atasi Pal, Vincent Akash Gomes, Dilip Kumar Pal   +4 more
doaj   +1 more source

Comparative analysis of the use of endovenous laser coagulation and radiofrequency vein obliteration in patients who have previously undergone sclerobliteration

Амбулаторная хирургия, 2023
Introduction. Sclerobliteration of varicose veins of the lower extremities is one of the most common methods of treating patients with varicose veins.
A. I. Chernookov, M. R. Kuznetsov, S. I. Kandyba, A. A. Atayan, G. V. Sinyavin, E. N. Belykh, A. M. Nikolaev, T. I. Shadyzheva, A. Z. Pshmakhova   +8 more
doaj   +1 more source