| 摘要 |
Needle tip protectors or guards (100), for preventing re-use of hypodermic o r other needles, and/or accidental needle stick during the disposal thereof, a re 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been used and the needle tip guard ha s been slid along the length of the used needle, until the tip of the needle i s withdrawn into the interior of the needle tip guard. The needle tip protecto rs 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to prevent re-emergence of the needle tips out of the fronts of the guards, once the tips of the needle s have been withdrawn into the guards.
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