| 摘要 |
An injection unit for holding a medicament, the injection unit comprising a hollow, cylindrical barrel (11) terminating in a neck (12) comprising an outwardly directed annular projection (30) at its distal end, a flexible neck cap (17), a holding cap engaging the neck cap (17) from the outside and comprising a proximal section in the form of a skirt (35) having one or more interior projections (38) at its proximal end for engagement behind the annular projection (30) of the barrel neck, and a distal section (39) having means for attaching a needle thereto, and a locking ring (20) provided on the outside of the skirt (35) at its proximal end for locking the holding cap in its engagement position, locking ring (20) and skirt (35) comprise means (37) adapted to be irreversibly engaged with each other when the locking ring (20) is mounted in position on the skirt (35). |
