PROBLEM TO BE SOLVED: To provide a device for a digestive tract, capable of effectively preventing a cylinder portion from falling off, preventing a digestive tract with the cylinder portion from being damaged, thereby preventing a living body from being subjected to an excessive load due to the enterokinesis.SOLUTION: A device 100 for a digestive tract includes: a cylinder portion 110 including a through-hole a retaining portion 120 formed on the base end side of the cylinder portion and used to keep the cylinder portion in a living body and a restricting portion 180 formed on the outer surface of the cylinder portion and used to restrict the movement of the cylinder portion toward distal end side when a pressing force is applied to the cylinder portion from its outside.COPYRIGHT: (C)2013,JPO&INPIT【課題】筒部の脱落を効果的に防止するとともに、筒部を装着した消化管に損傷を与えることを防止し、もって消化管の運動に伴う過度な負荷が生体に掛ることを防止することができる消化管用デバイスを提供する。【解決手段】消化管用デバイス100は、貫通孔を備える筒部110と、筒部の基端側に設けられ、筒部を生体内に保持する留置部120と、筒部の外表面に設けられ、筒部の外部から筒部に対して押圧力が付与された際に筒部の先端側への移動を制限する制限部180とを有する。【選択図】図2
