| 摘要 |
<p>The protective shrouding (1) for an injection needle or cannula (2), on a support (3), has a guide (14) to allow movement between a retracted position and an ejection setting. A barrier (6) applies a provisional lock to the carrier in the retracted position, in a ready for use setting (RU), where a primary transit (11) has given it the setting. A further barrier (9) locks the carrier in the retracted position permanently when a secondary transit (12) has moved it after use.</p> |
