| 摘要 |
Needle tip protectors or guards (100), for preventing re-use of hypodermic or other needles, and/or accidental needle stick during the disposal thereof, are provided. The needle tip guard (100) is mounted on the shaft (112) of a needle, prior to use of the needle. The needle tip protectors or guards (100) are provided with structures for binding or frictionally engaging against a needle shaft (112), after a needle has been used and the needle tip guard has been slid along the length of the used needle, until the tip of the needle is withdrawn into the interior of the needle tip guard. The needle tip protectors or guards (100) are also provided with structures to prevent re-emergence of the needle tips out of the fronts of the guards, once the tips of the needles have been withdrawn into the guards.
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