Introduction of bone marrow biopsy needle

The bone marrow biopsy needle belongs to the field of medical instruments. The bone marrow biopsy needle mainly comprises a syrtle, a liquid tank, a needle body, a knob, a handle, a vacuum pipe, a push cylinder, a liquid collection bottle, a pull rope, a bottle cap, a sawtooth structure, a connecting port and a groove.The new type of needle, vacuum tube and push tube are used to form a vacuum environment. The bone marrow biopsy needle is used to pull out the bone marrow tissue in a vacuum way, which can pull out the tissue in a short time and relieve the pain of the patient. On the surface of the needle body set with knob and handle, turn the needle body could be controlled by rotating a knob, convenient for the operator to control the needles, Settings are set at the bottom of the cylinder liquid bottle again, set the surface of the liquid bottle set scale, can judge the pull in the bone marrow tissue and effusion, slot on the inner wall of the cylinder with effusion, pull the bone marrow tissue fluid can be temporarily kept at effusion groove,After flowing into the collection bottle, convenient and quick.

Bone marrow biopsy surgery referred to as bone marrow biopsy, is to use a bone marrow biopsy needle to take a small piece of about 0.5 cm long cylindrical bone marrow tissue for pathological examination.The operation method is exactly the same as that of bone marrow puncture. The extracted material keeps the complete bone marrow tissue structure, which can make up for the deficiency of bone marrow puncture.It can not only understand the composition of bone marrow cells and the distribution of primitive cells, but also observe the cell morphology, so as to facilitate the pathological diagnosis. It is of great significance for the diagnosis of aplastic anemia and myelodysplastic hyperplasia, as well as for the diagnosis of bone marrow necrosis and bone marrow fatty change.Bone marrow biopsy needle is a commonly used instrument in bone marrow biopsy operation. The existing bone marrow biopsy needle is simple in structure and relies on the needle body to puncture into bone tissue, which is difficult to operate and has a low success rate. In the process of pulling bone tissue, adjacent tissues are often injured.

Therefore, it is very necessary to design and produce a bone marrow biopsy needle with complete function, which can avoid injuring adjacent tissues and quickly pull bone marrow tissue.

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