510(k) · Cleared
ClearedMilestone Knee System, Femoral Component, Posterior Stablized, Unocated / RLP, Uncoated; Tibial Insert / Baseplate...
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Tgm Medical, Inc. · JWH Prosthesis, Knee, Patellofemorotibial, Semi-Constrained, Cemented, Polymer/Metal/Polymer
Cleared on Nov 4, 2011 as substantially equivalent to K932837 (U.S. Medical Products, Inc., 1994) and 4 other predicates after an 87-day review. Its family tree reaches back 6 generations to 1995. 1 later device descends from it.
- Decided
- Nov 4, 2011
- Review
- 87 days
- Class
- Class II
- Product code
- JWH
- Recalls
- None
- Predicates
- 5
Its longest line of descent runs back 6 generations to K933785 (1995). 18 ancestors in all, the oldest K884796 (1989). 1 later device descends from it, 1 citing it directly.
- Root · 6 generations backK933785 Next Generation Knee SystemZimmer, Inc. · 1995 · Recalled
- 5 generations backK023211 Nexgen Complete Knee Solution Cruciate Retaining (CR)-Flex Femoral…Zimmer, Inc. · 2002 · Recalled
- 4 generations backK060370 Nexgen Knee Gender Solutions Female (GSF) Femoral ComponentsZimmer, Inc. · 2006 · Recalled
- 3 generations backK070214 Gender Solutions Natural-Knee Flex SystemZimmer, Inc. · 2007 · Recalled
- 2 generations backK073286 Gender Solutions Natural-Knee Flex SystemZimmer, Inc. · 2008 · Recalled
- 1 generation backK110950 Consensus Knee SystemConsensus Orthopedics, Inc. · 2011
- This deviceK112285 Milestone Knee System, Femoral Component, Posterior Stablized…Tgm Medical, Inc. · 2011
- Descendant · cites it directly · 0 of its ownK130084 Milestone Revision Knee System (MRKS) - Femoral Component, Tibial…Tgm Medical, Inc. · 2013
Most influential descendants
Showing 1 of 1 · See all- K130084Milestone Revision Knee System (MRKS) - Femoral Component, Tibial Baseplate, Tibial…Tgm Medical, Inc. · 2013 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −6 | K933785 | Next Generation Knee System | Zimmer, Inc. | 1995 | 83 |
| −5 | K023211 | Nexgen Complete Knee Solution Cruciate Retaining (CR)-Flex Femoral Components | Zimmer, Inc. | 2002 | 6 |
| −4 | K060370 | Nexgen Knee Gender Solutions Female (GSF) Femoral Components | Zimmer, Inc. | 2006 | 17 |
| −3 | K070214 | Gender Solutions Natural-Knee Flex System | Zimmer, Inc. | 2007 | 63 |
| −2 | K073286 | Gender Solutions Natural-Knee Flex System | Zimmer, Inc. | 2008 | 5 |
| −1 | K110950 | Consensus Knee System | Consensus Orthopedics, Inc. | 2011 | — |
| 0 (this device) | K112285 | Milestone Knee System, Femoral Component, Posterior Stablized, Unocated / RLP… | Tgm Medical, Inc. | 2011 | — |
| +1 | K130084 | Milestone Revision Knee System (MRKS) - Femoral Component, Tibial Baseplate… | Tgm Medical, Inc. | 2013 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1989 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2005 | 1 | 0 |
| 2007 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2013 | 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 |
|---|---|---|---|
| * | K932837 | Consensus Knee System - Primary KneeSummary page 2…ted femoral component (K! 110950), the CKS PS tibial insert (K9548 18), the CKS uncoated, pegless, CoCr tibial baseplate (KOO 1456), and the CKS round, all-poly patella (K932837) to TOM Medical for use as the MILESTONE Knee System (MKS). These predicate knee system components employ identical materials, de… | 1994 |
| * | K945589 | Consensus (TM) Knee Cobalt Chrome Nonporous Stemmed Tibial BaseplateSummary page 2…sus Knee System - Primary U.S. Medical Products, Inc. 09/27/1994* _________ 1 Knee ______ _______ K945589 Consensus® Knee Cobalt Chrome U..MdclPoutI. 53/9* K945589 Nonporous Stemmed Tibial… | 1995 |
| * | K954818 | Consensus Posterior Stabilized KneeSummary page 2…uivalence: Consensus Orthopedics, Inc. (COI) licensed the previously cleared Consensus Knee System (CKS) posterior stabilized (PS), standard, uncoated femoral component (K9548 18), the CKS PS, reduced lateral profile (RLP), uncoated femoral component (K! 110950), the CKS PS tibial insert (K9548 18), the CKS… | 1996 |
| * | K001456 | Consensus Knee SystemSummary page 2…053/9* K954818 IConsensus Posterior Stabilized Knee U.S. Medical Products, Inc. 05/22/1996* Consensus® Knee System; Tibial K001456 Baseplate, Cast, CoCr/Ti Porous and Hayes Medical, Inc. 08/07/2000** CoCr Non-Porous… | 2000 |
| * | K110950 | Consensus Knee SystemSummary page 2…aseplate, Cast, CoCr/Ti Porous and Hayes Medical, Inc. 08/07/2000** CoCr Non-Porous Consensus Knee System: Reduced K110950 Lateral Profile (RLP) Posterior CnessOtoeis 0/721 Ki 10950 Stabilizing (PS) non-por… | 2011 |
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 |
|---|---|---|---|
| K130084 | Milestone Revision Knee System (MRKS) - Femoral Component, Tibial Baseplate, Tibial… | 2013 | 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 16 years and passes through 3 companies; a new generation was cleared every 3.3 years on median.
- 10 of the 18 ancestors have a recall of any class.
- Of its descendants, K130084 (Tgm Medical, Inc., 2013) has gone furthest, with 0 descendants of its own.
- 6 other devices also cite its predicate K932837.
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. 2011, 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 MILESTONE Knee System Primary Knee is designed as a system and is not intended for substitution of components from other systems.
A. Primary intervention of rheumatoid arthritis, osteoarthritis, post-traumatic arthritis, or degenerative arthritis.
B. Failed osteotomy or unicompartmental replacements.
C. Replacement of unsatisfactory cemented or press-fit knee components when sufficient bone stock exists.
All MILESTONE Knee components are intended for cemented use only
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K112285 · printed Nov 6, 2026
Cite this page
510(k) Report. “K112285: Milestone Knee System, Femoral Component, Posterior Stablized, Unocated / RLP, Uncoated; Tibial Insert / Baseplate....” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K112285
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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