What is lumbar puncture needle subarachnoid anaesthesia

Subarachnoid anesthesia is lumbar anesthesia, also known as spinal anesthesia, in the lumbar 2-3 or 3-4 vertebral space puncture, through the supraspinal ligament, interspinous ligament, ligamentum flavum into the epidural space, the drug into this space called epidural anesthesia, and then into the puncture, there is a feeling of penetrating the paper, that is, penetrating the arachnoid into the subarachnoid space. The injection of local anesthetic drugs into this space is called subarachnoid anesthesia, which is suitable for lower abdominal, lower limb and perineal surgery. Such as cesarean section, appendix, hemorrhoids, lower limb fracture.

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