PROBLEM TO BE SOLVED: To provide an esophageal shape maintaining device capable of maintaining the shape of an esophagus at the time of no occurrence even at the time of vocalization so that the pressure of exhalation does not deform the shape of the esophagus and reduce the volume and clarity of voice. .. SOLUTION: An esophageal shape maintaining device for preventing deformation of the esophagus due to exhaled pressure during esophageal speech, and a fixing stay and a fixing ring for fixing the esophagus to a portion sandwiched between two clavicle head muscles. To provide an esophageal speech assisting device. [Selection diagram] Fig. 2【課題】食道発声法では、呼気の圧力が食道の形状を変形させて音声の音量と明瞭性を低下しないよう、無発生時の食道の形状を発声時も維持できる食道形状維持装置を提供する。【解決手段】食道発声時に、呼気の圧力により食道が変形する事を防止する食道形状維持装置と、これを2本の鎖骨頭筋に挟まれた部分に固定する固定用ステーと固定用リングからなる食道発声補助装置を提供する。【選択図】図2