1.Disposable safety lancets are generally unable to undergo secondary ejection after being ejected.
2.After disassembling the blood collection needle, there is a popped out needle inside. Pressing the needle back into the pin can achieve secondary ejection. But after dismantling, the blood collection needle cannot be tightly installed, which means that no matter what, as long as the blood collection needle you use is a complete blood collection needle, it has not been used.
