Patent ID: 8287492

Claim:
A pre-loaded syringe or pen needle injection device tip assembly comprising: a needle tip comprising a body and a needle having a first puncturing end projecting out beyond a forward end of the body and a second puncturing end projecting into an interior space of the body; the interior space of the body being sized and configured to receive therein one end of the pre-loaded syringe or the pen needle injection device; a generally cylindrical sidewall of the body including a slot oriented parallel to the needle; the second puncturing end being sized and configured to extend into the one end when the body is installed on the one end; and the needle tip being structured and arranged to be removably connected to the one end of the pre-loaded syringe or the pen needle injection device, further comprising at least one of: an arrangement for preventing re-installation or re-use of the needle tip, the arrangement comprising a movable member having an axial length that is less than an axial length of the body and that is axially movable; a safety mechanism pivotally coupled to the needle tip via a living hinge and being movable from a position spaced from and arranged on a side of a needle of the needle tip to a position covering the needle of the needle tip; and a safety cover non-removably and pivotally coupled to the needle tip and being movable from a position spaced from and arranged on a side of the body to a position covering an open rear end of the body.