Anesthesia puncture fixing device

The anesthesia puncture fixing device comprises an anesthesia puncture needle and a limiting cylinder, one end of the limiting cylinder is rotationally provided with a limiting push plate, the other end of the limiting cylinder is in threaded connection with an adjusting screw rod, and the central axis of the limiting cylinder and the central axis of the adjusting screw rod are each provided with a through hole used for being matched with the anesthesia puncture needle to be rotationally and slidably connected. The side wall of the end, away from the limiting cylinder, of the adjusting screw rod is in threaded connection with a first fastening bolt used for abutting against and fastening the puncture needle, length identification grooves evenly distributed in the axial direction of the anesthesia puncture needle are formed in the outer side of the anesthesia puncture needle, and the puncture depth can be limited through cooperation of the limiting cylinder, the limiting push plate and the like; the limiting c