| 摘要 |
A a device for preventing inadvertent needle stick injuries from hollow-bore steel needles on the leading ends of winged or "butterfly" infusion assemblies. The device comprises a puncture-resistant semi-flexible conical tube which slides over tubing trailing from the butterfly needle hub to safely entrap the needle by means of the wings when the user holds a leading tether firmly over a vein with one hand, and pulls back on the tailing tubing with the other, such that the wings slide backward through paired slits until trapped within slots in said cone whose leading end forms a tether on the superior surface and a horizontal V-shaped aperture on the inferior surface leading to the paired slits and slots. The trailing end of said cone is adjusted to releasably grasp the trailing tubing, or the trailing paraphernalia to which the tubing is attached, such that the device remains out of the way during insertion and intended usage of the leading hollow-bore steel needle.
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