§ COMPARE REGULATORS

FDA vs PMDA: US and Japan Medical Device Approval Compared

Compare FDA 510(k)/PMA with PMDA Shonin/Ninsho — classification, QMS (Ordinance 169 vs 21 CFR 820), clinical data requirements, and DMAL holder vs US Agent.

FDA

U.S. Food and Drug Administration

United States

The FDA is the primary regulatory authority for medical devices in the United States. Its Center for Devices and Radiological Health (CDRH) oversees premarket review, postmarket surveillance, and enfo

CLASSES

Class I, II, III

PATHWAY

510(k), PMA, De Novo, HDE

KEY FUNCTIONS
  • 510(k) clearance and PMA approval
  • MAUDE adverse event database
  • FDA Enforcement Reports and recalls
  • De Novo classification
  • Breakthrough Device Designation

PMDA

Pharmaceuticals and Medical Devices Agency (Japan)

Japan

Japan's PMDA conducts scientific reviews of medical device applications under the PMD Act. Japan uses a four-class system with three pathways: Todokede (notification) for Class I, Ninsho (third-party

CLASSES

Class I, II, III, IV

PATHWAY

Todokede / Ninsho / Shonin

KEY FUNCTIONS
  • Shonin pre-market approval
  • Ninsho third-party certification
  • QMS inspection (MHLW Ordinance 169)
  • PMDA consultation (Taimen Joshu)
  • Foreign Manufacturer Registration

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