2021YY 9706.210-2021 Medical electrical equipment Part 2-10: Specific requirements for basic safety and essential performance of nerve and muscle stimulators
2008YY 0607-2007 Medical electrical equipment—Part 2: Particular requirements for the safety of nerve and muscle stimulators
YY 91094-1999 music electrotherapy machine was changed to YY 0607-2007 Medical electrical equipment—Part 2: Particular requirements for the safety of nerve and muscle stimulators.