Coloscopy tube, for examination of the intestines, is composed of two triangular sections stitched together at the overlap leaving an examination opening covering the anal region

摘要

The coloscopy tube, for examination of the intestines, is composed of two triangular sections (1,2) with edges (3) in the stomach and crotch. The edges overlap to be stitched at the overlapping (6) with an unstitched section to form the examination opening (7).