| 摘要 |
A one-shot needle safety cover using a rotational or a drawing method to enclose a used needle. The safety cover can be applied to a syringe, butterfly needle, blood collector, intravenous catheter, and arteriovenous fistula. In the rotating method, by means of a rotating axle a needle can be enclosed inside or exposed from a needle cap. In the drawing method, by means of an orienting member a butterfly needle can be drawn back and forth along a chamber of a needle cover. The present invention is easy to operate, more safe, and is able to prevent a needle from being used a second time.
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