510(k) Report

FDA product code · Orthopedic

Prosthesis, Ankle, Uncemented, Non-Constrained

NTGClass IIIPMA required2 decisions since 20094 recalls

2 FDA decisions since 2009. 4 recalls name this code, 0 of them Class I.

An ankle joint metal/polymer non-constrained uncemented prosthesis is a device intended to be implanted to replace an ankle joint. The device limits minimally (less than normal anatomic constraints) translation in one or more planes. It has no linkage across-the-joint. This generic type of device includes prostheses that have a tibial component made of alloys, such as cobalt-chromium-molybdenum, and a talar…

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026 Download the data (CSV)

FIG. A — Illustration, orthopedic panel

Twenty years of NTG at a glance: how often FDA decides these devices, how long 510(k) reviews take, how often they are recalled, and how many adverse event reports name the code.

FDA decisions per year · NTG

2in 2024

2009: 12010: 22013: 22014: 22016: 22018: 12019: 32020: 22021: 72022: 42023: 22024: 22026 (partial year): 1
2007high 7 (2021) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · NTG

Too few NTG 510(k)s in any year since 2007 to give a median.

Recalls per year · NTG

1in 2023

2018: 22023: 12026 (partial year): 1
2007high 2 (2018) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · NTG

14in 2025

2009: 22010: 192011: 152012: 192013: 302014: 922015: 3412016: 862017: 822018: 932019: 1292020: 5452021: 892022: 502023: 122024: 222025: 14
2007high 545 (2020) · low 0 (2007)2025

MAUDE reports naming product code NTG, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—00
20080—00
20091—02
20102—019
20110—015
20120—019
20132—030
20142—092
20150—0341
20162—086
20170—082
20181—293
20193—0129
20202—0545
20217—089
20224—050
20232—112
20242—022
20250—014
20261—1—
FIG. 1 — NTG by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in NTG? A 510(k) Report ranks candidate predicates in this code by lineage, citations and recall history, with the review-time outlook.

See the 510(k) Report