Lumbar puncture needle procedure

Lumbar puncture is generally applicable to the medical methods of taking cerebrospinal fluid or injecting drugs into the spinal canal. There are the following steps: 1. Position the patient on his side, disinfect the waist and back, and spread sterile towels. 2. Inject local anesthetics into the lumbar intervertebral space in the middle of the back of the waist. 3. Use a lumbar puncture needle to slowly pierce from the middle of the back of the waist to the front, and enter the spinal canal through the ligament at the back of the waist. 4. Use a syringe to draw a small amount of cerebrospinal fluid for testing. 5. If medication is needed, inject medication into the puncture needle. 6. After the operation is completed, withdraw the waist puncture needle, and locally compress it with a cotton ball.

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