Patent ID: 6926698

Claim:
A safe cover device for a needle of a syringe comprising an external sleeve, a syringe clamp, a needle cap, and an annular collar mounted on a syringe, wherein said external sleeve is a cylinder having an internally receiving chamber in correspondence with a shape of said syringe, wherein said external sleeve comprises a conical surface on a distal end thereof having a central hole and an axial cut for allowing extension of said needle therein, said external sleeve having an elongated slide slot on a lateral side thereof; wherein said syringe clamp is a curved sheet with a curvature which is exactly for clamping said syringe, further said syringe having a protruding slide rail on the surface of said syringe clamp; wherein said needle cap is an elongate cylinder having a plurality of engaging nodes on an inner edge of a proximal opening thereof for making engagement of said needle cap with said annular collar; wherein said annular collar is a hollow cylinder with a central bore adapted for fitting exactly over said needle tightly, further said annular collar having an embedding groove and an engaging groove on an external surface thereof, wherein said embedding groove engages said needle cap with said annular collar and further said engaging groove is provided for engaging said conical surface of said external sleeve; wherein said syringe clamp clamping said syringe is adapted for sliding said external sleeve when said needle is completely retracted in said external sleeve, said needle cap is adapted for safely covering said needle to provide safety protection of a user.