Stab needle one somatotype adapter 1, stab needle 21 and needle hub the tubed fixed part to be provided on Tip side of 31 which locks 22 and needle hub 22 and tubed fixed part, 31 the tubed stab needle storage section 2nd is provided on Tip side of 32 which possesses the storage space 321 which stores stab needle 21 inside and stab needle storage section 32 terminal area 34 and tubed fixed part to be formed with 31 and stab needle storage section 32, to be separation possible that compared to Tip side vis-a-vis end face side, with separation stab needle 21It has with the separable possible section 35 which it makes expose.穿刺針一体型アダプタ1は、穿刺針21と、針ハブ22と、針ハブ22を固定する筒状固定部31と、筒状固定部31の先端側に設けられ、内部に穿刺針21を収容する収容空間321を有する筒状の穿刺針収容部32と、穿刺針収容部32の先端側に設けられた第2の接続部34と、筒状固定部31と穿刺針収容部32との間に形成され、それよりも先端側を基端側に対して分離可能であり、分離によって穿刺針21を露出させる分離可能部35とを備えている。
