A needle tip shielding device (100) comprising a base plate (101) with a hole (102) extending there through from the proximal side of the base plate (101) to the distal side of the base plate and at least one resilient arm (103) extending at an attachment point at said base plate (101) is provided. The resilient arm (103) has a resting state wherein a distal hook (104) of the resilient arm (103) will coincide with a straight imaginary line extending longitudinally through said hole (102) in the axial direction of said base plate (101). The resilient arm (103) comprises a knob (105) at its distal end said knob (105) extending laterally from the resilient arm (103). The knob (105) is shaped with an outer curvature in the transversal plane (106) around an axis parallel to the central axis of the needle tip shielding device (100) and said knob (105) is shaped with an outer curvature in the midsaggital plane (107) around an axis perpendicular to the central axis of the needle tip shielding device (100).
