How is one-time medical marrow puncture needle used

Bone marrow puncture needle is a special tool for bone marrow puncture. The bone marrow puncture needle consists of two parts: the needle core; The second is the needle plug. At the same time, there is a screw outside the needle plug, through which the length of the bone marrow puncture needle can be adjusted. Therefore, in bone marrow puncture examination, first of all, the patient's fat and thin should be assessed. If the patient has more subcutaneous fat, the length of the bone marrow puncture needle should be adjusted to be larger. If the patient is thin, the needle may need to be shortened. When doing bone marrow puncture, the needle core and the needle plug must be closely combined without leaving a gap. If you leave a gap, when you do a bone marrow puncture, the bone debris may block the eye of the needle, so you can't draw out the marrow fluid, and the puncture fails. At the same time, when doing bone marrow puncture, it is necessary to use slow force rather than brute force to prevent the bone marrow puncture needle from breaking because the bone is very hard, which often happens in clinical practice.

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