Patent ID: 8636703

Claim:
An apparatus comprising: a syringe barrel having an open end and an opposite end adapted for a needle, the needle having a tip; a needle safety cover displaceable between a un-deployed state wherein the needle safety cover is constrained and the needle exposed, and a deployed state wherein the needle safety cover covers at least the tip of the needle; a plunger slidably engaged in the syringe barrel; at least one element securing the needle safety cover in the un-deployed state; biasing means urging the needle safety cover from the un-deployed state to a deployed state covering at least a portion of the needle; and a housing coupled to the opposite end of the syringe barrel, the housing comprising a corresponding securing member and a deformable member, the deformable member releasing the at least one element from the corresponding securing member upon receiving a releasing force via the plunger and an external housing adjacent the exterior of the syringe barrel, the external housing having an opening, the external housing comprising the biasing means and an arm, the arm coupled to the biasing means at one end and coupled to the needle safety cover at the opposite end.