Product code

NRA: Prosthesis, knee, femorotibial, unicompartmental, semi-constrained, metal/polymer, mobile bearing

FDA product code · Class III · Orthopedic

Key facts

Product code NRA
Device Prosthesis, knee, femorotibial, unicompartmental, semi-constrained, metal/polymer, mobile bearing
Device class Class III
Review panel Orthopedic
Submission type PMA
GMP exempt No
Implanted device Yes
Life-sustaining or life-supporting No
Definition This type of device is designed to allow for motion between the plastic tibial bearing and metal tibial baseplate components of a unicompartmental knee prosthesis. It is intended to replace part of a knee joint in order to relieve pain and restore knee function, for indications such as osteoarthritis and avascular necrosis.

At a glance

  • None 510(k) clearances
  • None De Novo grants
  • 1–9 PMA approvals
  • None HDE approvals
  • 100–999 UDI devices (GUDID)
  • 1,000+ MAUDE adverse event reports
  • 10–99 Recalled products (Z-numbers)

Counts are shown as ranges. Exact figures, trends and every underlying record are available in Orca1.

About FDA device product codes

FDA product codes classify medical devices by type and intended use; each code maps to a device class, a classification regulation and a review panel.

Source: U.S. Food and Drug Administration (FDA), Product Classification database

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