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.
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