510(k) Report

510(k) · Cleared

Cleared

Achieve Partial Knee System - Porous Coated CoCrMo Femoral Component

K251975510(k) TraditionalCleared Sep 2, 202568-day reviewClass II21 CFR 888.3535

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

Ignite Orthomotion · NJD Prosthesis, Knee, Femorotibial, Unicompartmental/Unicondylar, Uncemented, Porous-Coated, Metal/Polymer

Cleared on Sep 2, 2025 as substantially equivalent to K242307 (Ignite Orthomotion, 2024) after a 68-day review. Its family tree reaches back 9 generations to 1994.

Decided
Sep 2, 2025
Review
68 days
Class
Class II
Product code
NJD
Recalls
None
Predicates
1

Its longest line of descent runs back 9 generations to K943462 (1994). 40 ancestors in all, the oldest K880155 (1988). No later device cites it as a predicate yet.

Other ancestors, by year cleared 2004: 4 other ancestors2008: 2 other ancestors2005: 1 other ancestor2001: 3 other ancestors1999: 2 other ancestors1997: 3 other ancestors1996: 4 other ancestors1989: 1 other ancestor2007: 1 other ancestor2006: 1 other ancestor2002: 3 other ancestors1991: 1 other ancestor2003: 1 other ancestor1998: 1 other ancestor1995: 1 other ancestor1993: 1 other ancestor1988: 1 other ancestorReference device: K243768 · iTotal® Identity™ Cruciate Retaining 3DP Porous Knee Replacement System · Restor3D, Inc. · 2025Reference device: K210308 · EMPOWR Porous Femur with HAnano SurfaceTM · Encore Medical L.P. · 2021Reference device: K190085 · Journey II Unicompartmental Knee System · Smith & Nephew, Inc. · 2019 · recalledReference device: K202716 · Ignite Anatomic Shoulder System · Ignite Orthopedics, LLC · 2021K943462 · Darwin Knee System · Johnson & Johnson Professionals, Inc. · 1994 · recalled×2: 2 generations cleared close together, K033272 (2004), K040166 (2004) K061648 · Depuy Graduated Compartmental Knee (GCK) · DePuy Orthopaedics, Inc. · 2006 · recalledK070849 · Depuy GCK Femoral and Tibial Components · DePuy Orthopaedics, Inc. · 2007K082172 · Mako Modular Knee Compartmental Implant System · Mako Surgical Corporation · 2008 · recalledK090763 · Restoris Multicompartmental Knee (MCK) System · Mako Surgical Corporation · 2009 · recalledK133811 · Restoris Porous Partial Knee System · Mako Surgical Corp. · 2014K242307 · ACHIEVE Partial Knee System · Ignite Orthomotion · 20241990200020102020
  1. Root · 9 generations backK943462 Darwin Knee SystemJohnson & Johnson Professionals, Inc. · 1994 · Recalled
  2. 5 generations between
  3. 3 generations backK090763 Restoris Multicompartmental Knee (MCK) SystemMako Surgical Corporation · 2009 · Recalled
  4. 2 generations backK133811 Restoris Porous Partial Knee SystemMako Surgical Corp. · 2014
  5. 1 generation backK242307 ACHIEVE Partial Knee SystemIgnite Orthomotion · 2024
  6. This deviceK251975 Achieve Partial Knee System - Porous Coated CoCrMo Femoral ComponentIgnite Orthomotion · 2025
Show all 9 generations
  1. Root · 9 generations backK943462 Darwin Knee SystemJohnson & Johnson Professionals, Inc. · 1994 · Recalled
  2. 8 generations backK033272 Depuy Sigma Tibial InsertsDePuy Orthopaedics, Inc. · 2004 · Recalled
  3. 7 generations backK040166 Depuy Sigma XLK Tibial InsertsDePuy Orthopaedics, Inc. · 2004
  4. 6 generations backK061648 Depuy Graduated Compartmental Knee (GCK)DePuy Orthopaedics, Inc. · 2006 · Recalled
  5. 5 generations backK070849 Depuy GCK Femoral and Tibial ComponentsDePuy Orthopaedics, Inc. · 2007
  6. 4 generations backK082172 Mako Modular Knee Compartmental Implant SystemMako Surgical Corporation · 2008 · Recalled
  7. 3 generations backK090763 Restoris Multicompartmental Knee (MCK) SystemMako Surgical Corporation · 2009 · Recalled
  8. 2 generations backK133811 Restoris Porous Partial Knee SystemMako Surgical Corp. · 2014
  9. 1 generation backK242307 ACHIEVE Partial Knee SystemIgnite Orthomotion · 2024
  10. This deviceK251975 Achieve Partial Knee System - Porous Coated CoCrMo Femoral ComponentIgnite Orthomotion · 2025
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−9K943462Darwin Knee SystemJohnson & Johnson Professionals, Inc.19948
−8K033272Depuy Sigma Tibial InsertsDePuy Orthopaedics, Inc.200451
−7K040166Depuy Sigma XLK Tibial InsertsDePuy Orthopaedics, Inc.2004—
−6K061648Depuy Graduated Compartmental Knee (GCK)DePuy Orthopaedics, Inc.20061
−5K070849Depuy GCK Femoral and Tibial ComponentsDePuy Orthopaedics, Inc.2007—
−4K082172Mako Modular Knee Compartmental Implant SystemMako Surgical Corporation20082
−3K090763Restoris Multicompartmental Knee (MCK) SystemMako Surgical Corporation20095
−2K133811Restoris Porous Partial Knee SystemMako Surgical Corp.2014—
−1K242307ACHIEVE Partial Knee SystemIgnite Orthomotion2024—
0 (this device)K251975Achieve Partial Knee System - Porous Coated CoCrMo Femoral ComponentIgnite Orthomotion2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198810
198910
199110
199310
199510
199640
199730
199810
199920
200130
200230
200310
200440
200510
200610
200710
200820
FIG. 1 — Lineage of K251975, 1994–2025Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in NJD? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

Top candidate predicates for a new NJD device

  1. #1 K242307 ACHIEVE Partial Knee Systemscore 13.6 · 8 generations · no Class I recall
  2. #2 Held for the reportin the report
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What was it cleared against? (1)

Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.

TypeNumberDeviceApplicantDecidedRecalls
*K242307ACHIEVE Partial Knee System
Summary page 5
…t femorotibial metal/polymer non-constrained cemented prosthesis; (21 CFR §888.3520); Class II Product Codes: NJD, HSX Predicate Devices: K242307(Primary) - ACHIEVE Partial Knee System, Ignite OrthoMotion Reference Devices: K243768 – iTotal Identity Cruciate Retaining 3D…
Ignite Orthomotion2024—
†K243768iTotal® Identity™ Cruciate Retaining 3DP Porous Knee Replacement SystemRestor3D, Inc.2025—
†K210308EMPOWR Porous Femur with HAnano SurfaceTMEncore Medical L.P.2021—
†K190085Journey II Unicompartmental Knee SystemSmith & Nephew, Inc.20193
†K202716Ignite Anatomic Shoulder SystemIgnite Orthopedics, LLC2021—

What descends from it?

No later submission names this one as a predicate yet.

Has anything in its family been recalled? (0 Class I)

No FDA recall names this device.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 31 years and passes through 5 companies; a new generation was cleared every 1.4 years on median.
  • 20 of the 40 ancestors have a recall of any class.

How does its category compare?

All NJD devices

NJD Prosthesis, Knee, Femorotibial, Unicompartmental/Unicondylar, Uncemented, Porous-Coated, Metal/Polymer: FDA decisions, review times, recalls and adverse event reports over 20 years. 2025, this device’s year, is highlighted.

FDA decisions per year · NJD

1in 2025

2014: 12019: 12022: 12024: 12025: 1
2007high 1 (2014) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · NJD

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

Recalls per year · NJD

No recall names NJD since 2007.

Adverse event reports per year · NJD

4in 2025

2010: 22021: 52022: 342023: 612024: 142025: 4
2007high 61 (2023) · low 0 (2007)2025

MAUDE reports naming product code NJD, 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
20090—00
20100—02
20110—00
20120—00
20130—00
20141—00
20150—00
20160—00
20170—00
20180—00
20191—00
20200—00
20210—05
20221—034
20230—061
20241—014
20251—04
20260—0—

What is it indicated for?

The ACHIEVE PARTIAL KNEE SYSTEM is intended for unicompartmental knee arthroplasty of the medial and/or lateral femorotibial compartments to treat one or more of the following conditions: • Moderately disabling joint disease of the knee resulting from painful osteo or post traumatic arthritis. • Revision of previous unsuccessful surgical procedures, including prior unicompartmental knee arthroplasty. • As an alternative to tibial osteotomy in patients…

Read the full statement (100 words)

The ACHIEVE PARTIAL KNEE SYSTEM is intended for unicompartmental knee arthroplasty of the medial and/or lateral femorotibial compartments to treat one or more of the following conditions:

• Moderately disabling joint disease of the knee resulting from painful osteo or post traumatic arthritis.

• Revision of previous unsuccessful surgical procedures, including prior unicompartmental knee arthroplasty.

• As an alternative to tibial osteotomy in patients with unicompartmental osteoarthritis.

Fixation Methods

Tibial trays and femoral components with engineered porous surfaces are intended for cemented or cementless use.

Tibial trays and femoral components without engineered porous surfaces are intended for cemented use only.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K251975: Achieve Partial Knee System - Porous Coated CoCrMo Femoral Component.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K251975

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026