国产日韩久久久免费_成人一级毛片在线观看视频_日韩一级二级在线_69偷拍亚洲另类无码专区_毛片免费中文字幕免_美女扒开尿口让男生桶_欧美日本一道本一区二区_色色五月丁香婷婷_国产茄子在线观看视频_日韩亚洲欧美久久久www综合

Usage method

Select the appropriate type of sampling forceps for the patient as clinically determined by a professional physician.

Under the surveillance of the endoscope, the sampling forceps entered the human body through the endoscopic forceps channel, the forceps head was directed at the lesion, the handle slider was pushed (opening the forceps mouth), the sampled tissue was tightened, the handle slider was pulled (closing the forceps mouth), and the outer tube was pulled back to remove the sampling forceps

Scope of application

Sampling forceps are special instruments used to collect living tissue samples from the upper and lower digestive, respiratory, urinary and female reproductive systems for pathological analysis.