Operation Of The Lumbar Puncture Needle

Lumbar puncture is an invasive operation. During the process, we must first pay attention to aseptic operation to avoid contamination of the local part of the puncture, otherwise it will cause purulent cerebral effusion and purulent meningitis. During the puncture, the dural overtube needle should enter perpendicular to the skin, and then break through the various layers of the waist to reach the epidural space and subarachnoid space.

The reason for the vertical needle insertion is that there is no nerve root in the channel, which can avoid the damage of the nerve root and the damage of the spinal cord. When breaking through the arachnoid membrane, clear cerebrospinal fluid will flow out, and the epidural guide needle will pulsate, which means that the lumbar puncture is successful. After the cerebrospinal fluid is measured, the guide needle can be removed. After the lumbar puncture, you have to go to the pillow and supine for 4-6 hours, because if you get up immediately after the cerebrospinal fluid is released, it will cause a low-pressure headache.

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