Holder for a blood collection needle

The holder for a blood collection needle comprising:

• a cylinder having an open proximal end, a distal end closed by an end wall, and an aperture formed in said end wall;
• and
• a needle fixing mechanism disposed at said distal end of said cylinder, said mechanism including a first slider, a second slider, a retainer, and a frame, said second slider and said retainer being disposed on said end wall, said first slider being disposed on said second slider, and said frame being affixed to said cylinder so as to hold said first slider, said second slider, and said retainer on said end wall, wherein said first slider and said retainer have half female members integrally formed thereon, said first slider is movable toward said second slider such that said mechanism is in a closed state in which said first slider engages said frame such that said half female members come together to define a complete female member, and said second slider is movable toward said first slider such that said mechanism is in an open state in which said first slider is disengaged from said frame.