What Is a Sciatic Nerve Block?

Sciatic nerve block is one of the local anesthesia. Local anesthetic is injected next to the sciatic nerve to temporarily block the conduction function of the sciatic nerve to achieve painless surgery in the area dominated by the sciatic nerve. The sciatic nerve is composed of the anterior branches of the lumbar 4 to the iliac crest 3. It is the thickest nerve in the body. After exiting the pelvis from the piriformis foramen, it is located on the deep side of the gluteal muscle. , Mainly dominate the calf and foot. The sciatic nerve block is often taken as the puncture point between the piriformis muscle and the epicondyle muscle. Methods There are lateral sciatic nerve block and lateral sciatic nerve block. ^[1]