| 摘要 |
Syringe includes a cylindrical housing (2) and having a needle (5) secured to the front end, and a plunger slidably received in the housing. The protective cover (3) includes a longitudinal channel and includes a groove (31) and a depression and a cavity formed in one end. The housing has a latch (23) that may be forced into the depression in a detachably securing position and that may be selectively forced into the cavity in a locking position.
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