Described is a needle assembly storage system (1) comprising a needle assembly (2) including at least one hook (5.4) formed on an outer surface (5.1), and a needle assembly storage device (3) having at least one slot for receiving the at least one hook (5.4). The at least one slot includes a first recess (8.3) formed in a wall (8.1) of the storage device (3). The first recess (8.3) includes a first abutment surface (8.8) and a second abutment surface (8.9) for preventing the at least one hook (5.4) from moving out of the first recess (8.3).
