Reusable needle holder for hardwired bidirectional blood collection needle?

First of all, we need to correct the so-called hard-wired blood collection needle. In fact, it should be "pen type blood collection needle or integral blood collection needle. Because the puncture needle and blood collection needle is one, through the needle tube, the front segment of the sharp edge puncture into the human vein, so called puncture needle. The slightly sharp end of the back end punctures the blood blocking sleeve and the vacuum tube rubber plug, so that the negative pressure of the tube draws human venous blood into the tube and becomes the blood specimen. In this process, the blood collection needle needs to be screwed into the front inner hole of the needle holder. The needle holder has the following functions: 1. It provides a stable operation handle; 2. Provide a completely closed collection environment to protect medical staff from blood contamination in the collection process; And provide a relatively accurate puncture center position, so that the vacuum tube can be as far as possible through the needle center, to ensure the quality of collection; 3, the fixed puncture needle is relatively stable, in the position of the vein, to ensure the reliable collection process.

Then, we say that needle holder, which is an auxiliary tool of blood needle collection, can be reused for many times in most clinical practice. However, there is a great risk, that is, there is the possibility of being injured by acupuncture in the process of recovering the sheath of blood collection needle, removing the blood collection needle and discarding it. Therefore, at present, the international developed countries have already developed a disposable safe blood collection needle containing needle holder. It can trigger the button after collection to make the needle retract automatically, and the needle is completely shielded, so as to eliminate the risk of acupuncture injury for medical staff, reduce the operation process and improve work efficiency. The needle holder is disposable.

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