A needle safety lock comprising a needle guard supporting member (14), and a needle guard (16) comprising an elongate member coupled to said needle guard supporting member and axially slideable with respect to the needle guard supporting member, and a cylindrical guard (20) having two open ends to enclose at least a portion of a needle； wherein the needle guard comprises a locking means to selectively secure the needle guard in a first locking position that is releasable or a second locking position that is non-releasable； and wherein when the needle guard is in the first or second locking position free axial movement of the needle guard is prevented.L'invention porte sur un blocage de sécurité d'aiguille universel destiné à être utilisé dans la prévention des blessures par piqûre d'aiguille.
