| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a safety injector pen needle in which a needle is movable with respect to a hub and is retracted into a safe position within the hub after an injection is administered.SOLUTION: A retracting safety injector pen needle has a needle 40 mounted on a carrier 20 which is movable with respect to a hub so that the non-patient end of an injector pen needle device is retracted into the hub 10 after an injection for safety.</p> |
