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 .
