510(k) Report

510(k) · Cleared

Cleared

Milestone Knee System, Femoral Component, Posterior Stablized, Unocated / RLP, Uncoated; Tibial Insert / Baseplate...

K112285510(k) TraditionalCleared Nov 4, 201187-day reviewClass II21 CFR 888.3560

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

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.

Other ancestors, by year clearedDescendants, by year cleared 2000: 2 other ancestors1996: 1 other ancestor1995: 1 other ancestor1994: 1 other ancestor1989: 1 other ancestor2007: 1 other ancestor2001: 2 other ancestors1997: 1 other ancestor2005: 1 other ancestor1999: 1 other ancestor2013: 1 descendant clearedK933785 · Next Generation Knee System · Zimmer, Inc. · 1995 · recalledK023211 · Nexgen Complete Knee Solution Cruciate Retaining (CR)-Flex Femoral Components · Zimmer, Inc. · 2002 · recalledK060370 · Nexgen Knee Gender Solutions Female (GSF) Femoral Components · Zimmer, Inc. · 2006 · recalledK070214 · Gender Solutions Natural-Knee Flex System · Zimmer, Inc. · 2007 · recalledK073286 · Gender Solutions Natural-Knee Flex System · Zimmer, Inc. · 2008 · recalledK110950 · Consensus Knee System · Consensus Orthopedics, Inc. · 20111990200020102020
  1. Root · 6 generations backK933785 Next Generation Knee SystemZimmer, Inc. · 1995 · Recalled
  2. 5 generations backK023211 Nexgen Complete Knee Solution Cruciate Retaining (CR)-Flex Femoral…Zimmer, Inc. · 2002 · Recalled
  3. 4 generations backK060370 Nexgen Knee Gender Solutions Female (GSF) Femoral ComponentsZimmer, Inc. · 2006 · Recalled
  4. 3 generations backK070214 Gender Solutions Natural-Knee Flex SystemZimmer, Inc. · 2007 · Recalled
  5. 2 generations backK073286 Gender Solutions Natural-Knee Flex SystemZimmer, Inc. · 2008 · Recalled
  6. 1 generation backK110950 Consensus Knee SystemConsensus Orthopedics, Inc. · 2011
  7. This deviceK112285 Milestone Knee System, Femoral Component, Posterior Stablized…Tgm Medical, Inc. · 2011
  8. 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

GenerationNumberDeviceApplicantDecidedRecalls
−6K933785Next Generation Knee SystemZimmer, Inc.199583
−5K023211Nexgen Complete Knee Solution Cruciate Retaining (CR)-Flex Femoral ComponentsZimmer, Inc.20026
−4K060370Nexgen Knee Gender Solutions Female (GSF) Femoral ComponentsZimmer, Inc.200617
−3K070214Gender Solutions Natural-Knee Flex SystemZimmer, Inc.200763
−2K073286Gender Solutions Natural-Knee Flex SystemZimmer, Inc.20085
−1K110950Consensus Knee SystemConsensus Orthopedics, Inc.2011—
0 (this device)K112285Milestone Knee System, Femoral Component, Posterior Stablized, Unocated / RLP…Tgm Medical, Inc.2011—
+1K130084Milestone Revision Knee System (MRKS) - Femoral Component, Tibial Baseplate…Tgm Medical, Inc.2013—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198910
199410
199510
199610
199710
199910
200020
200120
200510
200710

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201310
FIG. 1 — Lineage of K112285, 1995–2013Source: 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 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. #1 K221479 Persona Personalized Knee Systemscore 22.4 · 11 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) 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.

TypeNumberDeviceApplicantDecidedRecalls
*K932837Consensus Knee System - Primary Knee
Summary 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…
U.S. Medical Products, Inc.1994—
*K945589Consensus (TM) Knee Cobalt Chrome Nonporous Stemmed Tibial Baseplate
Summary 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…
U.S. Medical Products, Inc.1995—
*K954818Consensus Posterior Stabilized Knee
Summary 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…
U.S. Medical Products, Inc.1996—
*K001456Consensus Knee System
Summary 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…
Hayes Medical, Inc.2000—
*K110950Consensus Knee System
Summary 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…
Consensus Orthopedics, Inc.2011—

Also cleared against K932837: 6 other devices →

What descends from it? (1)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K130084Milestone Revision Knee System (MRKS) - Femoral Component, Tibial Baseplate, Tibial…Tgm Medical, Inc.20130

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 devices

JWH 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

2007: 182008: 172009: 112010: 192011: 252012: 332013: 312014: 332015: 272016: 182017: 252018: 252019: 282020: 222021: 242022: 172023: 202024: 192025: 202026 (partial year): 12
2007high 33 (2012) · low 11 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · JWH

55in 2025

2007: 74 days median2008: 81 days median2009: 168 days median2010: 85 days median2011: 87 days median2012: 85 days median2013: 128 days median2014: 98 days median2015: 87 days median2016: 88 days median2017: 118 days median2018: 90 days median2019: 133 days median2020: 59 days median2021: 61 days median2022: 56 days median2023: 57 days median2024: 89 days median2025: 55 days median2026 (partial year): 63 days median
2007high 168 (2009) · low 55 (2025)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · JWH

2in 2025

2007: 142008: 102009: 1092010: 322011: 272012: 852013: 312014: 132015: 112016: 172017: 612018: 142019: 52020: 22021: 82022: 122023: 672024: 72025: 22026 (partial year): 4
2007high 109 (2009) · low 2 (2020)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · JWH

9,306in 2025

2007: 1,3052008: 1,4832009: 1,8702010: 3,2862011: 5,1332012: 5,2032013: 6,1352014: 6,7222015: 6,8812016: 7,5862017: 12,2632018: 14,0712019: 14,9872020: 12,5922021: 9,4082022: 8,3642023: 8,9472024: 10,8282025: 9,306
2007high 14,987 (2019) · low 1,305 (2007)2025

MAUDE reports naming product code JWH, 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
20071874141,305
20081781101,483
2009111681091,870
20101985323,286
20112587275,133
20123385855,203
201331128316,135
20143398136,722
20152787116,881
20161888177,586
2017251186112,263
201825901414,071
201928133514,987
20202259212,592
2021246189,408
20221756128,364
20232057678,947
20241989710,828
2025205529,306
202612634—

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.

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