| 摘要 |
<p>A needle assembly for an intradermal injection device (1), and a drug delivery device, having a needle cannula (4) having a needle tip (6) and a limiter (32) surrounding the needle cannula (4) and having a skin engaging surface (10), wherein the limiter (32) is moveable from a first position in which an elongate portion of the needle cannula is exposed, to a locked second position in which the limiter (32) is not movable from the second position to the first position and in which the needle tip (6) extends beyond the skin engaging surface (10) a distance of about 3 mm or less.</p> |
