F.D.A. classification of medical devices

F.D.A. clas·si·fi·ca·tion of med·i·cal de·vi·ces

(klas'i-fi-kā'shŭn med'i-kăl dĕ-vīs'ĕz)
An assessment instrument of health care implants and procedures based on use of legal and ethical controlled experiments formulated by the U.S. Food and Drug Administration.