| 摘要 |
Described is a needle hub (1) comprising a proximal end (1.1.4) adapted to engage a medicament delivery device (2), a distal end (1.1.1) having an opening (1.1.1.1), a shoulder (1.1.5) disposed between the proximal end (1.1.4) and the distal end (1.1.1), and a needle assembly engagement mechanism (F1) coupled to the shoulder (1.1.5) and adapted to releasably engage a needle assembly (3). The needle assembly engagement mechanism (F1) includes two or more resilient arms (1.1.2) adapted to releasably engage a retainer element (3.3) on the needle assembly (3). |
