You searched for: “continuous caudal analgesia
continuous caudal analgesia (s) (noun), continuous caudal analgesias (pl)
Continuous injection of an anesthetic solution into the sacral (triangular bone in lower back) and lumbar plexuses (network of nerves) within the epidural space (in the spine): A continuous caudal analgesia is used to relieve the pain of parturition (act of giving birth).

Continuous caudal analgesia is also used in general surgery to block the pain pathways caudal (back o thef body) to the umbilicus (navel or hollow on surface of stomach).