The present invention provides a stopper for a medical intubation device, which is improved for the problem that the conventional obstruction device of the tracheal tube still has poor assembly convenience； the stopper of the present invention is an elastic material, which mainly includes a grip. a portion, a plug portion, a sleeve hole and a lateral disassembly guide, the grip portion has a top surface, a bottom surface and a peripheral side for holding； the plug portion is connected to the bottom surface of the grip portion to have a relatively reduced outer diameter and a convex portion The extension type is set for the air supply tube； the through hole is disposed at the center of the grip portion and the insertion portion for the outer circumference of the insertion member； the lateral disassembly guide is disposed at the grip portion and the insertion portion On the same side, the inner end of the lateral disassembly guide communicates with the sleeve hole, and the inner end cross-sectional width dimension is smaller than the aperture size of the sleeve hole.本創作係提供一種醫療用插管裝置之阻擋器，其係針對 習知氣管導管之阻擋器仍舊存在組裝便利性不佳之問題點加以改進； 本創作之阻擋器為彈性材質，其主要包括握持部、插接部、穿套孔及側向拆裝導口，該握持部具頂、底面及供握持之周側；插接部連設於握持部底面呈相對縮小外徑及凸伸之型態以供氣管導管組設；穿套孔設於握持部及插接部中央以供套組於插管構件外周；側向拆裝導口剖設於握持部及插接部的同側，側向拆裝導口之內側端連通穿套孔，且令內側端橫截面寬度尺寸小於穿套孔的孔徑尺寸。
