Does the lumbar puncture for the medical examination have to be worn out of water?

uncertain.

Usually take the bent back position, from the lumbar 2 to the sacral 1 (mainly lumbar 3-4) intervertebral space puncture. After local routine disinfection and anesthesia, wear rubber gloves, and use a 20-gauge puncture needle (21-22 for children) to slowly pierce in the direction of the spinous process, and the needle tip encounters bone during the needle insertion process. During lumbar puncture, the needle should be retracted subcutaneously to correct the angle before puncturing. When the needle is inserted about 4-6cm for adults (about 3-4cm for children), the dura can be penetrated to reach the subarachnoid space, and the core of the needle can be drawn out to flow out the cerebrospinal fluid. After measuring the pressure and slowly discharging the fluid (no more than 2-3ml) , and then insert the needle core and pull out the puncture needle. Slight pressure on the puncture point to stop bleeding, apply sterile gauze and fix it with tape.

Lumbar puncture is one of the commonly used clinical examination methods in neurology. It is of great value in the diagnosis and treatment of neurological diseases. It is simple and easy to operate, and the operation is relatively safe. However, if the indications are not properly grasped, the mild cases may aggravate the original condition, and the severe cases may even endanger the patient's safety.

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