There are many kinds of physiotherapy instruments. What you are talking about should be the physical therapy instrument of electrical stimulation, which has the feeling of knocking and rubbing when used, and can relieve the pain caused by muscle spasm to a certain extent.

Regular physiotherapy instruments should meet the national safety standards of medical devices in GB9706, and the safety is guaranteed.

First-time users should pay attention to gradually increasing the intensity of stimulation so that patients can bear it.