510(k) · Cleared
ClearedKlassic Knee Revision System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Total Joint Othopedics, Inc. · JWH Prosthesis, Knee, Patellofemorotibial, Semi-Constrained, Cemented, Polymer/Metal/Polymer
Cleared on May 19, 2023 as substantially equivalent to K112906 (Total Joint Orthopedics, Inc., 2012) and 2 other predicates after an 81-day review. Its family tree reaches back 5 generations to 1987. 2 later devices descend from it.
- Decided
- May 19, 2023
- Review
- 81 days
- Class
- Class II
- Product code
- JWH
- Recalls
- None
- Predicates
- 3
Its longest line of descent runs back 5 generations to K870730 (1987). 40 ancestors in all, the oldest P830055 (1985). 2 later devices descend from it, 1 citing it directly.
- Root · 5 generations backK870730 Noiles Total Knee ProsthesisJoint Medical Products Corp. · 1987
- 4 generations backK003182 Orthogenesis LPS SystemDepuy, Inc. · 2001
- 3 generations backK040281 LPS Metaphyseal Sleeve (Limb Preservation System)DePuy Orthopaedics, Inc. · 2004
- 2 generations backK063633 Depuy Knee Prosthesis System Universal Stem Extensions and Femoral…DePuy Orthopaedics, Inc. · 2007 · Recalled
- 1 generation backK140942 Klassic Knee Tibial Stem ExtensionTotal Joint Orthopedics, Inc. · 2014
- This deviceK230537 Klassic Knee Revision SystemTotal Joint Othopedics, Inc. · 2023
- Descendant · cites it directly · 1 of its ownK243991 Klassic Knee System - Revision Tibial BaseplateTotal Joint Othopedics, Inc. · 2025
- Descendant · 2 generations on · 0 of its ownK261734 Klassic Infection Spacer SystemTotal Joint Orthopedics, Inc. · 2026
Most influential descendants
Showing 2 of 2 · See allView FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −5 | K870730 | Noiles Total Knee Prosthesis | Joint Medical Products Corp. | 1987 | — |
| −4 | K003182 | Orthogenesis LPS System | Depuy, Inc. | 2001 | — |
| −3 | K040281 | LPS Metaphyseal Sleeve (Limb Preservation System) | DePuy Orthopaedics, Inc. | 2004 | — |
| −2 | K063633 | Depuy Knee Prosthesis System Universal Stem Extensions and Femoral Metaphyseal… | DePuy Orthopaedics, Inc. | 2007 | 1 |
| −1 | K140942 | Klassic Knee Tibial Stem Extension | Total Joint Orthopedics, Inc. | 2014 | — |
| 0 (this device) | K230537 | Klassic Knee Revision System | Total Joint Othopedics, Inc. | 2023 | — |
| +1 | K243991 | Klassic Knee System - Revision Tibial Baseplate | Total Joint Othopedics, Inc. | 2025 | — |
| +2 | K261734 | Klassic Infection Spacer System | Total Joint Orthopedics, Inc. | 2026 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1985 | 1 | 0 |
| 1987 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 1 | 0 |
| 2000 | 3 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 2 | 0 |
| 2007 | 1 | 0 |
| 2009 | 1 | 0 |
| 2012 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2025 | 1 | 0 |
| 2026 | 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? (3)
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 |
|---|---|---|---|
| * | K112906 | Klassic Knee SystemSummary page 5…th Ti-Coat (Ti6Al4V and unalloyed Ti powder). Predicate Devices: The modified Klassic® System is substantially equivalent to the primary predicate Klassic® Knee System (K112906, K140942) with respect to design and function and indications for use. The modified Klassic® Knee System is also substantially eq… | 2012 |
| * | K140942 | Klassic Knee Tibial Stem ExtensionSummary page 5…t (Ti6Al4V and unalloyed Ti powder). Predicate Devices: The modified Klassic® System is substantially equivalent to the primary predicate Klassic® Knee System (K112906, K140942) with respect to design and function and indications for use. The modified Klassic® Knee System is also substantially equivalent… | 2014 |
| * | K070095 | Triathlon TS Knee SystemSummary page 5…12906, K140942) with respect to design and function and indications for use. The modified Klassic® Knee System is also substantially equivalent to the Stryker Triathlon (K070095) with regards to material, function, and indications for use. Comparison of Technological Characteristics: The modified Klassic®… | 2007 |
What descends from it? (2)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K243991 | Klassic Knee System - Revision Tibial Baseplate | 2025 | 1 |
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 36 years and passes through 5 companies; a new generation was cleared every 7.2 years on median.
- 23 of the 40 ancestors have a recall of any class.
- Of its descendants, K243991 (Total Joint Othopedics, Inc., 2025) has gone furthest, with 1 descendant of its own.
- 11 other devices also cite its predicate K112906.
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. 2023, 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 Klassic® Revision System is intended for prosthetic replacement in treatment of the following: » Patient conditions of non-inflammatory degenerative joint disease (NIDJD): avascular necrosis and osteoarthritis » Patient conditions of inflammatory joint disease (1JD): rheumatoid arthritis » Patients with failed previous surgery where pain, deformity, or dysfunction persists » Correctable varus-valgus deformity and moderate flexion contracture *…
Read the full statement (110 words)
The Klassic® Revision System is intended for prosthetic replacement in treatment of the following:
» Patient conditions of non-inflammatory degenerative joint disease (NIDJD): avascular necrosis and osteoarthritis
» Patient conditions of inflammatory joint disease (1JD): rheumatoid arthritis
» Patients with failed previous surgery where pain, deformity, or dysfunction persists
» Correctable varus-valgus deformity and moderate flexion contracture
* Revision of a previously failed knee arthroplasty
» Patients who require a total knee replacement
The Klassic® Revision System is indicated for cemented use only, except for the Klassic® Femur, with Cobalt 3D®, the Klassic® Tibial Baseplate with Ti-Coat® and the Universal Cones™ with Ti-Coat®, which are also indicated for cementless use.
Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K230537 · printed Nov 6, 2026
Cite this page
510(k) Report. “K230537: Klassic Knee Revision System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K230537
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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