Product Name: Medical Disposable Sterile Nerve Block Stimulation Anesthesia Epidural Spinal Needle Model NO.: 21G, 22G Feature: Disposable Material: Steel Application: Anaesthesia Type: Anesthesia Needle Product Description Product InformationNameDisposable Nerve Block Stimulation NeedleSize21G,22GLength50mm,90mm,120mm,140mmColorTransparentCoatingTransparentTipGrinding both sides of the edge of the tipCableWhiteShelf life3yearsBy stimulating the target nerve with nerve plexus stimulation, the objective response of the patient's body can be observed directly, the position of the peripheral nerve of the human body can be determined without relying on the subjective expression of the patient, the risk of operation anesthesia brought by blind detection of the positioning nerve can be avoided, the operation of the hand anesthesiologist is convenient, and the accuracy and safety of nerve positioning are greatly improved. At the same time, new manufacturing process is adopted to make the product more reliable in performance and more exquisite in appearance.