What is a puncture needle? Are there any advantages and disadvantages?

It is a diagnosis and treatment technique in which the puncture needle is inserted into the body cavity to extract secretions for testing, gas or contrast agent is injected into the body cavity for contrast examination, or drugs are injected into the body cavity. Commonly used puncture are the following: ① brain or spinal canal puncture. These include subdural puncture, ventriculocentesis, cerebral vascular puncture, and lumbar puncture. ② thoracic coelocentesis. Including thoracentesis and pericardiocentesis. ③ abdominal body cavity and organ puncture. Including paracentesis, liver biopsy, kidney biopsy, cystocentesis, and hysterocentesis. ④ Bone marrow aspiration. There are iliac puncture, spinous process puncture and thoracic puncture. ⑤ Lymph node puncture. ⑥ Arthrocentesis. ⑦ vascular puncture. Common such as femoral artery puncture, femoral vein puncture and subclavian vein puncture. The purpose is blood test, blood transfusion, infusion and catheter placement for angiography.

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