510(k) · Cleared
ClearedAnatomic Total Knee System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Amplitude · JWH Prosthesis, Knee, Patellofemorotibial, Semi-Constrained, Cemented, Polymer/Metal/Polymer
Cleared on Jan 19, 2017 as substantially equivalent to K030978 (Howmedica Osteonics Corp., 2003) and 4 other predicates after a 241-day review. Its family tree reaches back 4 generations to 1994. 1 later device descends from it.
- Decided
- Jan 19, 2017
- Review
- 241 days
- Class
- Class II
- Product code
- JWH
- Recalls
- None
- Predicates
- 5
Its longest line of descent runs back 4 generations to K936079 (1994). 24 ancestors in all, the oldest K810520 (1981). 1 later device descends from it, 1 citing it directly.
- Root · 4 generations backK936079 Ecactech Porous Coated Finned Tibial Tray CompnentExactech, Inc. · 1994
- 3 generations backK011976 Optetrak Total Knee System Size 0/1 Delta (Line Extension)Exactech, Inc. · 2001
- 2 generations backK030686 Optetrak Total Knee System - Molded Metal-Back Tibial ComponentExactech, Inc. · 2003
- 1 generation backK090411 Freedom Metal Backed Tibial ComponentMaxx Orthopedics, Inc. · 2009
- This deviceK161414 Anatomic Total Knee SystemAmplitude · 2017
- Descendant · cites it directly · 0 of its ownK230078 TRAX® CR Total Knee SystemAmplitude · 2023
Most influential descendants
Showing 1 of 1 · See all- K230078TRAX® CR Total Knee SystemAmplitude · 2023 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −4 | K936079 | Ecactech Porous Coated Finned Tibial Tray Compnent | Exactech, Inc. | 1994 | — |
| −3 | K011976 | Optetrak Total Knee System Size 0/1 Delta (Line Extension) | Exactech, Inc. | 2001 | — |
| −2 | K030686 | Optetrak Total Knee System - Molded Metal-Back Tibial Component | Exactech, Inc. | 2003 | — |
| −1 | K090411 | Freedom Metal Backed Tibial Component | Maxx Orthopedics, Inc. | 2009 | — |
| 0 (this device) | K161414 | Anatomic Total Knee System | Amplitude | 2017 | — |
| +1 | K230078 | TRAX® CR Total Knee System | Amplitude | 2023 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1981 | 1 | 0 |
| 1984 | 1 | 0 |
| 1991 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 0 |
| 2005 | 2 | 0 |
| 2007 | 1 | 0 |
| 2009 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2023 | 1 | 0 |
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 JWH? 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 JWH device
- #1 K221479 Persona Personalized Knee Systemscore 22.4 · 11 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (5)
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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K030978 | Scorpio NRG Knee SystemSummary page 4…0, Class II, Product Code JWH Predicate Devices: Scorpio® NRG® Knee, Howmedica Osteonics Corp, K030978, K042343, K071991 Freedom® Total Knee System, Maxx Orthopedics… | 2003 |
| * | K042343 | Scorpio NRG Knee SystemSummary page 4…II, Product Code JWH Predicate Devices: Scorpio® NRG® Knee, Howmedica Osteonics Corp, K030978, K042343, K071991 Freedom® Total Knee System, Maxx Orthopedics… | 2005 |
| * | K071991 | Modification to Scorpio NRG Knee SystemSummary page 4…ct Code JWH Predicate Devices: Scorpio® NRG® Knee, Howmedica Osteonics Corp, K030978, K042343, K071991 Freedom® Total Knee System, Maxx Orthopedics… | 2007 |
| * | K082019 | Freedom Total Knee SystemSummary page 4…K030978, K042343, K071991 Freedom® Total Knee System, Maxx Orthopedics Inc, K082019, K090411 1. Device Description The ANATOMIC® Total Knee System belongs to the category of sliding poster… | 2009 |
| * | K090411 | Freedom Metal Backed Tibial ComponentSummary page 4…K042343, K071991 Freedom® Total Knee System, Maxx Orthopedics Inc, K082019, K090411 1. Device Description The ANATOMIC® Total Knee System belongs to the category of sliding posterior-stabi… | 2009 |
What descends from it? (1)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K230078 | TRAX® CR Total Knee System | 2023 | 0 |
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 23 years and passes through 3 companies; a new generation was cleared every 6.9 years on median.
- 10 of the 24 ancestors have a recall of any class.
- Of its descendants, K230078 (Amplitude, 2023) has gone furthest, with 0 descendants of its own.
- 7 other devices also cite its predicate K030978.
How does its category compare?
All JWH devicesJWH Prosthesis, Knee, Patellofemorotibial, Semi-Constrained, Cemented, Polymer/Metal/Polymer: FDA decisions, review times, recalls and adverse event reports over 20 years. 2017, this device’s year, is highlighted.
FDA decisions per year · JWH
20in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · JWH
55in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · JWH
2in 2025
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · JWH
9,306in 2025
MAUDE reports naming product code JWH, 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 | 18 | 74 | 14 | 1,305 |
| 2008 | 17 | 81 | 10 | 1,483 |
| 2009 | 11 | 168 | 109 | 1,870 |
| 2010 | 19 | 85 | 32 | 3,286 |
| 2011 | 25 | 87 | 27 | 5,133 |
| 2012 | 33 | 85 | 85 | 5,203 |
| 2013 | 31 | 128 | 31 | 6,135 |
| 2014 | 33 | 98 | 13 | 6,722 |
| 2015 | 27 | 87 | 11 | 6,881 |
| 2016 | 18 | 88 | 17 | 7,586 |
| 2017 | 25 | 118 | 61 | 12,263 |
| 2018 | 25 | 90 | 14 | 14,071 |
| 2019 | 28 | 133 | 5 | 14,987 |
| 2020 | 22 | 59 | 2 | 12,592 |
| 2021 | 24 | 61 | 8 | 9,408 |
| 2022 | 17 | 56 | 12 | 8,364 |
| 2023 | 20 | 57 | 67 | 8,947 |
| 2024 | 19 | 89 | 7 | 10,828 |
| 2025 | 20 | 55 | 2 | 9,306 |
| 2026 | 12 | 63 | 4 | — |
What is it indicated for?
The ANATOMIC® Total Knee System is indicated for use in total knee arthroplasty as a result of:
- Painful, disabling joint disease of the knee resulting from degenerative arthritis, rheumatoid arthritis or post-traumatic arthritis;
- Post-traumatic loss of knee joint configuration and function;
- Moderate varus, valgus or flexion deformity in which the ligamentous structures can be returned to adequate function and stability;
- Revision of previous unsuccessful knee replacement or other procedure.
The ANATOMIC® Total Knee System is for single use only and is intended for implantation with bone cement only.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K161414 · printed Nov 6, 2026
Cite this page
510(k) Report. “K161414: Anatomic Total Knee System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K161414
Report an extraction error
Are you the manufacturer?
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