نتایج جستجو برای: laser lithotripsy
تعداد نتایج: 186462 فیلتر نتایج به سال:
any change in the refractive index of a laser active medium can lead to serious degradation of beam quality, laser beam modes, laser performance and variation in the intensity distribution. alteration in the refractive index of laser active medium is especially notable in high power lasers. it is clear that in the laser beam production, the pumping agent induces a great amount of heat which...
introduction: our aim was compare of two types of lithotripter include holmium: yag laser and pneumatic one in transurethral ureterolithotripsy (tul) for the management of ureteral calculi ≥1 cm. methods: 112 patients with ureteral calculi more than 1 cm were selected in randomized order for pneumatic or holmium: yag laser transurethral ureterolithotripsy (56 patients in each group). ultrasonog...
direct peroral cholangioscopy under carbon dioxide insufflation Direct peroral cholangioscopy (DPOCS) is a useful and effective technique for diagnosis and therapy of biliary tract disease [1–3]. No instances of a fatal systemic gas embolism developing during DPOCS under carbon dioxide (CO2) insufflation have yet been reported. A 68-year-old woman was admitted to our hospital with a complaint o...
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