892.1640—Radiographic film marking system.
        
        (a) Identification.
         A radiographic film marking system is a device intended for medical purposes to add identification and other information onto radiographic film by means of exposure to visible light.
    
    
        
        (b) Classification.
         Class I (general controls). The device is exempt from the premarket notification procedures in subpart E of  part 807 of this chapter, subject to the limitations in  § 892.9.