What is a medical bone marrow puncture needle?

Bone marrow puncture needle is used to absorb a small amount of bone marrow fluid and smear, in order to understand the number of various blood cells, morphology, whether there are parasites and other conditions of the examination. Bone piercing for short. The examination has little trauma, few complications and no sequelae. It is mainly applied to the diagnosis and differential diagnosis of unexplained increase or decrease in the number of red blood cells, white blood cells and platelets and morphological abnormalities, unexplained enlargement of liver, spleen and lymph node, unexplained fever, bone pain and cachexia, as well as the diagnosis, differential diagnosis and treatment follow-up of various blood diseases.