#$%^&*AU2015101870A420160811.pdf#####ABSTRACT The utility model discloses a novel disposable safe injection needle, including a safe needle guard, a needle hub, a needle sheath and a needle tubing which are mutually matched for use, wherein the safe needle guard includes a sleeve for covering a needle, the sleeve is provided with a square flake for buckling the needle, a lower portion of the sleeve is provided with a bayonet for fixing the needle sheath a circular ring for being connected with the needle hub is arranged below the sleeve an inner wall of the circular ring is provided with an internally frosted convex-concave groove the needle hub is provided with a needle bonding segment, a safe needle guard connecting segment and an internal cone joint end, and the safe needle guard connecting segment is provided with a locating ring for locating the safe needle guard and an externally frosted convex-concave groove for preventing the safe needle guard from easily sliding, wherein the circular ring is matched in the safe needle guard connecting segment of the needle hub after matching. The universal safe injection needle has a rational and simple structure, cannot be used for the second time, will not cause cross-infection, is difficult to scratch people, is easy to manufacture, has a low cost, and is safe in use, so that various injection syringes may be matched with safe needle guards. The safe injection needle has high universality and excellent practicability.
