PROBLEM TO BE SOLVED: To provide an insertion member fixture capable of easily and reliably performing the insertion and fixation of an insertion member into a body, and reliably sealing a hole formed in the body.SOLUTION: An insertion member fixture 20 comprises: a base 30 having a body part 31 and a flange part 32 a cap 40 having a first pressing part 41 which is inserted into an insertion hole 33 of the body part 31 in an axial direction and a second pressing part 42 which is inserted into a through hole 36 of the flange part 32 in the axial direction an annular first elastic member 51 which is disposed inside the insertion hole 33 of the body part 31 and comes into close contact with an outer face of a catheter 10 due to the deformation of the inner diameter so as to reduce the inner diameter by being pressed by the first pressing part 41 in the axial direction when attaching the cap 40 to a base 30 and an annular second elastic member 52 which is disposed radially outside the body part 31 and comes into close contact with an inner face of a burr hole 91 due to the deformation of the outer diameter so as to enlarge the outer diameter by being pressed by the second pressing part 42 in the axial direction when attaching the cap 40 to the base 30.COPYRIGHT: (C)2015,JPO&INPIT【課題】挿入部材の体内への挿入および固定を容易かつ確実に行うとともに、体に形成される孔を確実に密閉することができる挿入部材固定具を提供する。【解決手段】挿入部材固定具20は、本体部31および鍔部32を有するベース30と、本体部31の挿通孔33内に軸方向に挿入する第1押圧部41、および鍔部32の貫通孔36に軸方向に挿入する第2押圧部42を有するキャップ40と、本体部31の挿通孔33内に配置され、キャップ40のベース30への装着時に第1押圧部41により軸方向に押圧されて内径が縮小するように変形することによってカテーテル10の外面に密着する環状の第1弾性部材51と、本体部31の径方向外側に配置され、キャップ40のベース30への装着時に第2押圧部42により軸方向に押圧されて外径が拡大するように変形することによってバーホール91の内面に密着する環状の第2弾性部材52とを備える。【選択図】図2
