CFR > Title 21 - Food and Drugs > CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES > SUBCHAPTER H—MEDICAL DEVICES (parts 800 to 898) > PART 890—PHYSICAL MEDICINE DEVICES > SUBPART B—Physical Medicine Diagnostic Devices (§890.1175 to §890.1925) > 890.1850—Diagnostic muscle stimulator.

890.1850—Diagnostic muscle stimulator.

(a) Identification. A diagnostic muscle stimulator is a device used mainly with an electromyograph machine to initiate muscle activity. It is intended for medical purposes, such as to diagnose motor nerve or sensory neuromuscular disorders and neuromuscular function.
(b) Classification. Class II (performance standards).