Lumbar puncture site

Lumbar puncture is usually performed at the 3rd and 4th spaces or 4th and 5th spaces of the lumbar spine. Lumbar puncture is

relatively easy to locate at the 3rd and 4th spaces of the lumbar spine, where the spinous process space is larger and easier to operate. At the same time, the surrounding tissue structure is relatively clear, which can reduce the risk of damaging other tissues during puncture. When performing puncture here, doctors can better grasp the angle and depth of needle insertion, improve the success rate of puncture, and reduce unnecessary complications caused by puncture difficulties.

After long-term medical practice, performing lumbar puncture at these two spaces has become a more routine and mature practice, accumulating rich experience and helping to improve the accuracy and safety of operation.