The nerve plexus stimulator consists of electrical stimulator, irritation needle, irritation casting, catheter, guider, remote controller and so on. It is mainly used in peripheral nerve block for anesthesia and postoperative analgesia.

The principle is to release a certain intensity and frequency of current through the needle tip of the needle and induce the motion response of the innervated muscle group, so as to locate the peripheral nerve that needs to be blocked.

The nerve plexus stimulator needs to be used together with the nerve plexus stimulating needle.