Abstract: Safety needle device (1) comprising: a hub (10) configured to be connected to a pen-injector, the hub (10) comprising a lateral wall (11) and an upper wall (12) which define therebetween a cavity (13) extending between the upper wall (12) and an lower aperture (14) able to receive the pen injector; a needle (20) attached to the hub (10), the needle (20) extending along a longitudinal direction (X-X) between a distal end (21), configured for insertion into a patient, and an opposed proximal end (22) configured to be connected to the pen injector, a back-end shield (30) slidable along the longitudinal direction (X-X) within the cavity (13) of the hub (10) and rotatable about the longitudinal direction (X-X), the back-end shield (30) being movable irreversibly from an initial position, before connection of the pen injector to the hub (10), to a locking position, after removal of the pen injector to the hub (10) passing through an intermediate position, an elastic member (40) arranged within the cavity (13) and a

Abstract: Safety needle device (1) comprising: a hub (10) configured to be connected to a pen-injector, the hub (10) comprising a lateral wall (11) and an upper wall (12); a needle (20) attached to the hub (10), a back-end shield (30) slidable along the longitudinal direction (X-X) within the cavity (13) of the hub (10) and rotatable about the longitudinal direction (X-X), the back-end shield (30) being movable irreversibly from an initial position, before connection of the pen injector to the hub (10), to a locking position, after removal of the pen injector to the hub (10) passing through an intermediate position, an elastic member (40) arranged within the cavity (13) and acting between the upper wall (12) and the back-end shield (30) to urge the back-end shield (30) towards the proximal end (21) of the needle (10) along the longitudinal direction (X-X), a locking arrangement (50) comprising at least a first locking member (60) formed on the back-end shield (30) and at least a second locking member (70), the second l

Abstract: Safety needle device (1) comprising: a hub (10) configured to be connected to a pen-injector, the hub (10) comprising a lateral wall (11) and an upper wall (12) which define therebetween a cavity (13) extending between the upper wall (12) and an lower aperture (14) able to receive the pen injector; a needle (20) attached to the hub (10), the needle (20) extending along a longitudinal direction (X-X) between a distal end (21), configured for insertion into a patient, and an opposed proximal end (22) configured to be connected to the pen injector, a back-end shield (30) slidable along the longitudinal direction (X-X) within the cavity (13) of the hub (10) and rotatable about the longitudinal direction (X-X), the back-end shield (30) being movable irreversibly from an initial position, before connection of the pen injector to the hub (10), to a locking position, after removal of the pen injector to the hub (10) passing through an intermediate position, an elastic member (40) arranged within the cavity (13) and a

Abstract: Safety needle device (1) comprising: a hub (10) configured to be connected to a vessel, a needle (20) attached to the hub (10), the needle (20) extending along a longitudinal axis (X-X) between a distal end (21), formed for insertion into a patient, and an opposed proximal end (22) formed to be connected to the vessel, a shield (30) slidable relative to the hub (10) along the longitudinal axis (X-X) and rotationally constrained around the longitudinal axis (X-X), the shield (30) being slidable irreversibly from an initial position, before injection, to a locking position, after injection passing through an intermediate position, a housing (40) attached to the hub (10) and surrounding a portion of a portion of the hub (10) and a portion of the shield (30), an elastic member (50) arranged within the housing (40) and acting the shield (30), the elastic member (50) being biased to push the shield (30) towards the distal end (21) of the needle (10) and contrast a longitudinal sliding of the shield (30) towards the