| 摘要 |
A medication administration system is provided whereby a user can administer medication via intravenous, intramuscular, or subcutaneous routes from a single device in a safe and controlled manner, and without the danger of a needle-stick injury. The system essentially consists of a syringe-like device that is a closed system having an aseptic fluid path. The device includes a syringe body having an integrally disposed needle assembly and a plunger; a hollow casing with a syringe flange holder disposed at one end; a hollow needle-guard that is moveable both coaxially and telescopically within the casing and over the syringe assembly; an end cap which joins with the casing and holds the syringe assembly in a fixed position; an elastic means to urge the needle guard towards its most forward position; a locking means to lock the device while at rest; and a coupling adapter which joins at one end of the needle guard, limits the forward travel of the needle, creates a closed and aseptic fluid path to an IV port, and includes a means to join to the IV port, thereby completing the closed system without ever exposing the needle.
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