(a) Identification.
         A cranial electrotherapy stimulator is a device that applies electrical current to a patient's head to treat insomnia, depression, or anxiety.
     
    
        
        (b) Classification.
         Class III (premarket approval).
     
    
        
        (c) Date a PMA or notice of completion of a PDP is required.
         No effective date has been established of the requirement for premarket approval. See  § 882.3.
     
    
        
            Code of Federal Regulations
        
        [44 FR 51730-51778, Sept. 4, 1979, as amended at 52 FR 17740, May 11, 1987; 60 FR 43969, Aug. 24, 1995; 62 FR 30457, June 4, 1997; 73 FR 34860, June 19, 2008]