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 814—PREMARKET APPROVAL OF MEDICAL DEVICES > SUBPART B—Premarket Approval Application (PMA) (§814.20 to §814.39)