Becton, Dickinson and Company
PEN ASSEMBLY

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.