510(k) Report

FDA product code · Orthopedic

Prosthesis, Elbow, Hemi-, Radial, Polymer

KWIClass II21 CFR 888.3170510(k) required34 decisions since 19895 recalls

34 FDA decisions since 1989. 510(k) reviews decided 2021–2025 took a median of 128 days (half between 119 and 136). 5 recalls name this code, 0 of them Class I. The most-cited predicate is K991915, named by 9 later devices.

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 KWI 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 · KWI

1in 2024

2010: 12012: 12013: 12014: 12017: 12019: 12020: 12021: 12022: 12023: 12024: 12026 (partial year): 1
2007high 1 (2010) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · KWI

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

Recalls per year · KWI

2in 2022

2013: 12014: 12017: 12022: 2
2007high 2 (2022) · low 0 (2007)2026

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

Adverse event reports per year · KWI

118in 2025

2007: 152008: 162009: 142010: 132011: 102012: 162013: 312014: 292015: 1032016: 1382017: 3602018: 2022019: 2142020: 1182021: 442022: 442023: 772024: 1242025: 118
2007high 360 (2017) · low 10 (2011)2025

MAUDE reports naming product code KWI, 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—015
20080—016
20090—014
20101—013
20110—010
20121—016
20131—131
20141—129
20150—0103
20160—0138
20171—1360
20180—0202
20191—0214
20201—0118
20211—044
20221—244
20231—077
20241—0124
20250—0118
20261—0—
FIG. 1 — KWI by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in KWI? 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