How to use bone marrow puncture needle

Bone marrow puncture needle is a special tool for bone marrow puncture. It is composed of a pin and a pin core. In addition, there is a screw outside the pin. By rotating the screw, the length of the piercing pin can be adjusted. In the use of bone marrow piercing needle, according to the patient's fat and thin degree, adjust the length of the piercing needle, subcutaneous fat more people piercing needle to long, subcutaneous fat less people piercing needle short. In addition, the needle core should be closely combined with the needle plug, and there should be no gap in the needle tip, so as to avoid bone debris blocking the needle during puncture. At the same time, do not use brute force during puncture, so as not to break the puncture needle, but slowly use force and rotate the needle from side to side, so that the puncture needle will not break.