The invention relates to a needle assembly (1) comprising:- a needle hub (2) adapted to be connected to a distal end of a medicament cartridge or cartridge holder (3),- a hollow needle (4) attached to the needle hub (2), the hollow needle (4) comprising a distal pointed tip (4.1),- a needle catch arm (5) attached to the needle hub (2) and adapted to be tilted toward the needle (4) for covering the distal pointed tip (4.1).
