PROBLEM TO BE SOLVED: To provide a tracheal tube with which the likelihood of inflammation occurring in a tracheal inner wall is reduced.SOLUTION: The tracheal tube according to the present invention comprises: a tube body and a cuff which is mounted to the tube body, and of which barrel is contractible and expandable. A covering width in a center axis direction of the tube body of a covering region for covering a tracheal inner wall of a trachea when the barrel is expanded inside the trachea, is greater in the back side than in the ventral side.SELECTED DRAWING: Figure 7COPYRIGHT: (C)2017,JPO&INPIT【課題】気管内壁に炎症を起こしにくくすることが可能な気管チューブを提供する。【解決手段】本発明の気管チューブは、チューブ本体と、前記チューブ本体に装着され、胴部が収縮及び拡張可能なカフと、を備え、前記胴部が気管内で拡張した状態において前記気管の気管壁を被覆する被覆領域の、前記チューブ本体の中心軸線方向の被覆幅が、前記気管壁の腹面側よりも背面側の方が大きいことを特徴とするものである。【選択図】図7
