Abstract: A pen needle magazine (10) comprising a plurality of compartments (14) each carrying a pen needle (40) with an inner thread (44) and an outer thread (46), and an inner shield (80) including an inner thread (82), the inner shield (80) being disposed in each of the plurality of compartments (14), wherein the inner thread (82) of the inner shield (80) is configured to engage the outer thread (46) of the pen needle (40), and the inner thread (44) and the outer thread (46) of the pen needle (40) are threaded in different directions.

Abstract: A needle magazine (30) comprising a plurality of cavities (38) each carrying a needle (74) fixed to a needle post (70), a first seal (46) disposed at a proximal end of each of the plurality of cavities (38), and a second seal (48) disposed at a distal end of each of the plurality of cavities (38), wherein in a first position of the needle post (70), the needle (74) is enclosed between the first and second seals (46, 48), in a second position of the needle post (70), the first seal (46) is pierced and the needle (74) pierces and extends through the second seal (48) for medication delivery, and in a third position of the needle post (70), the needle (74) no longer extends through the second seal (48) and is ready for disposal.

Abstract: A pen needle magazine (10) comprising a plurality of compartments (14) each carrying a pen needle (40), and a pen needle carrier (60) disposed in each of the plurality of compartments (14), the pen needle (40) disposed in the pen needle carrier (60), wherein the pen needle carrier (60) includes a first pen needle path (62) and a second pen needle path (64), the first pen needle path (62) aids in removing the pen needle (40), and the second pen needle path (64) aids in discarding a used pen needle (40).