FDA product code · Orthopedic
Prosthesis, Knee Patellofemorotibial, Partial, Semi-Constrained, Cemented, Polymer/Metal/Polymer
12 FDA decisions since 2005. 7 recalls name this code, 0 of them Class I. The most-cited predicate is K061648, named by 6 later devices.
The device is intended to replace the medial condyle and the patellofemoral compartment of the distal femur with a single device. The device is meant to be used with a uni-compartmental tibial base and insert and a resurfacing patella. The device is intended to be used with bone cement.
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly Download the data (CSV)
Twenty years of NPJ 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 · NPJ
1in 2015
2026 to Oct 25, outlined.
Median 510(k) review, days · NPJ
76in 2009
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · NPJ
1in 2016
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · NPJ
47in 2025
MAUDE reports naming product code NPJ, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 1 | — | 0 | 0 |
| 2008 | 0 | — | 0 | 1 |
| 2009 | 3 | 76 | 0 | 3 |
| 2010 | 0 | — | 0 | 13 |
| 2011 | 0 | — | 1 | 32 |
| 2012 | 0 | — | 0 | 72 |
| 2013 | 1 | — | 0 | 98 |
| 2014 | 0 | — | 0 | 75 |
| 2015 | 1 | — | 3 | 55 |
| 2016 | 0 | — | 1 | 93 |
| 2017 | 0 | — | 0 | 150 |
| 2018 | 0 | — | 0 | 141 |
| 2019 | 0 | — | 0 | 91 |
| 2020 | 0 | — | 0 | 65 |
| 2021 | 0 | — | 0 | 51 |
| 2022 | 0 | — | 0 | 32 |
| 2023 | 0 | — | 0 | 52 |
| 2024 | 0 | — | 0 | 44 |
| 2025 | 0 | — | 0 | 47 |
| 2026 | 0 | — | 1 | — |
Planning a device in NPJ? 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) ReportRelated product codes
Other codes under 21 CFR 888.3560.