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The endoscope used is inserted through the urethra , and that insertion can cause damage .

内窥镜通过尿道进入身体的时候，很可能造成损伤。

Objective to explore the applied value of nasal endoscope in chronic dacryocystitis .

目的探讨鼻内镜在慢性泪囊炎中的应用价值。

A variety of instruments can be passed through the endoscope that allows the surgeon to treat many abnormalities with little or no discomfort . Your surgeon can stretch narrowed areas , remove polyps , remove swallowed objects , or treat upper gastrointestinal bleeding .

外科医生可以使用通过内视镜放入的各种器械来治疗很多疾病，比如：扩张狭窄、去除息肉、移除吞下的物体、或治疗上消化道出血。

Principle and clinical application of nbi endoscope .

窥镜窄波成像的原理与临床应用。

Photoelectron endoscope development instrument , surgery color demonstration system device .

光电子内窥镜显像仪、手术室彩色示教系统装置。