At present, the electrodes used to collect brain nerve electrophysiological signals are mostly straight or curved needle electrodes. These needle electrodes are difficult to control the depth of needle insertion and are prone to slipping from the patient's scalp, which may cause the collected signals to be intermittent, thereby affecting the accuracy of the collected signals and delaying the patient's condition.
The electrodes used in the brain nerves need to be designed reasonably to make their operation convenient, reliable, and improve the accuracy of signal acquisition.
The purpose of the present invention is to provide a medical disposable spiral needle electrode, which is formed by a spiral needle head combined with a conical handle. The new needle electrode is easy to operate, reliable, improves the accuracy of signal acquisition, and can avoid cross infection caused by repeated use, which is beneficial for the recovery of patients and has low manufacturing cost.