Patent ID: 7189218

Claim:
A needle apparatus capable of collecting or dispensing fluid through a needle, comprising: a needle assembly having a front and a rear, said needle assembly including an insertion member and a knob projecting from said needle assembly, said needle being supported on and extending in a frontward direction from said insertion member and having a sharp end at the front of said needle assembly for insertion into a patient; and a device body for holding the fluid and which has a front and a rear, said device body including a receiver member disposed at the front of said device body, said receiver member having an internal portion which has an internal portion opening at a front of said receiver member facing frontwardly, said internal portion being configured to receive therein through said opening at least a rear of said insertion member upon movement of said insertion member rearwardly through said opening into said receiver member for releasably attaching said needle assembly to said device body such that said needle extends in said frontward direction away from said body, said device body further having a slot configured to receive said knob when said insertion member is inserted within said receiver member, said knob being configured to be slideable within at least a portion of said slot by a person using said apparatus for attaching said needle assembly to said device body by moving said rear of said insertion member in a rearward direction into said internal portion and for separating said needle assembly from said device body by moving said insertion member in a frontward direction out of said internal portion.