1. Shut down at any time when not in use. To extend the life of the machine and avoid accidental burns.
2. When starting up, when any part of the body of the operator holding the stylus touches some metal of the machine, a burning sensation appears in the contact part. This phenomenon is normal, and this phenomenon disappears when the stylus is not touched.
3. When the surgeon needs to touch the patient, they should touch it tightly, or it will cause a little tingling in the gap.