PROBLEM TO BE SOLVED: To provide an insertion aid for a small intestine indwelling tube capable of inserting a small intestine indwelling tube with a tube body whose inner diameter is the same before and after a bumper part, into a gastric fistula easily.SOLUTION: An insertion aid 1 includes a grip part 2, and an insertion part 4 provided at the tip of the grip part 2 and inserted into a tube body 11. The insertion part 4 is formed in such a length that at least the tip of the insertion part 4 reaches a bumper part 12 when inserted into the tube body 11, and includes a press-contact part 43 in the outer periphery of the tip, which is freely deformable outwardly, and is brought into press-contact with the inner wall of the tube body 11 when deformed.SELECTED DRAWING: Figure 4COPYRIGHT: (C)2018,JPO&INPIT【課題】バンパー部の前後で内径が同一であるチューブ本体を備える小腸留置チューブを容易に胃瘻に挿入することができる小腸留置チューブの挿入補助具を提供する。【解決手段】挿入補助具1は、把持部2と、該把持部2の先端に設けられ前記チューブ本体11に挿入される挿入部4とを備える。該挿入部4は、該チューブ本体11に挿入されたときに、少なくとも該挿入部4の先端部が前記バンパー部12まで達する長さに形成されるとともに、該先端部の外周に外方に向かって変形自在であって、変形したときに該チューブ本体11の内壁に圧接する圧接部43を備える。【選択図】図4
