The sutra nose which possesses back flow obstruction expedient/the oral stomach device is disclosed. The aforementioned sutra nose/the oral stomach device, in order for the distal (2036) edge to be arranged at least in stomach lumen of the patient, is arranged the sutra nose which was made in size and the form which are arranged inside the esophagus/the oral stomach tube and the aforementioned sutra nose/alongside the oral stomach tube, possesses pressure dependence capacity, at least one elastic esophagus body and at least with one which detects the fluid aforementioned sutra nose/the oral stomach tube at least around one segment esophagus sensor and following to the aforementioned detection, the pressure regulator which the description above at least adjusts the pressure of one elastic esophagus internal it has.< Selective figure >Figure 1バックフロー阻止手段を有する経鼻/経口胃装置が開示される。前記経鼻/経口胃装置は、少なくとも遠位端が患者の胃内腔に配置されるように食道内に配置される大きさおよび形状に作られた経鼻/経口胃チューブと、前記経鼻/経口胃チューブに沿って配置され、圧力依存容積を有する、少なくとも1つの弾性食道体と、前記経鼻/経口胃チューブの少なくとも1つのセグメントの周りで流体を検出する少なくとも1つの食道センサと、前記検出に従って前記少なくとも1つの弾性食道体内の圧力を調整する圧力調整器とを備える。【選択図】図1
