510(k) Report

510(k) · Cleared

Cleared

Triathlon® Total Knee System - Triathlon® Gold Femoral Components

K252044510(k) TraditionalCleared Oct 24, 2025116-day reviewClass II21 CFR 888.3565

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

Howmedica Osteonics Corp., Dba Stryker Orthopaedics · MBH Prosthesis, Knee, Patello/Femorotibial, Semi-Constrained, Uncemented, Porous, Coated, Polymer/Metal/Polymer

Cleared on Oct 24, 2025 as substantially equivalent to K051380 (Howmedica Osteonics Corp., 2005) and 1 other predicate after a 116-day review. Its family tree reaches back 10 generations to 1998.

Decided
Oct 24, 2025
Review
116 days
Class
Class II
Product code
MBH
Recalls
None
Predicates
2

Its longest line of descent runs back 10 generations to K982302 (1998). 149 ancestors in all, the oldest K810520 (1981). No later device cites it as a predicate yet.

Other ancestors, by year cleared 2005: 6 other ancestors2017: 1 other ancestor2015: 1 other ancestor2014: 3 other ancestors2013: 2 other ancestors2012: 3 other ancestors2011: 2 other ancestors2010: 5 other ancestors2004: 4 other ancestors2003: 14 other ancestors2002: 11 other ancestors2009: 1 other ancestor2008: 2 other ancestors2007: 7 other ancestors2006: 5 other ancestors2000: 8 other ancestors1996: 13 other ancestors1995: 10 other ancestors1994: 9 other ancestors1993: 2 other ancestors2001: 6 other ancestors1998: 3 other ancestors1997: 6 other ancestors1991: 4 other ancestors1989: 2 other ancestors1985: 1 other ancestor1999: 1 other ancestor1992: 3 other ancestors1984: 1 other ancestor1981: 1 other ancestor1987: 1 other ancestor1986: 1 other ancestorReference device: K123486 · Triathlon Tritanium Tibial Baseplate · Stryker · 2013 · recalledReference device: K182346 · TRULIANT Porous Tibial Tray and Exactech Alteon Bone Screws · Exactech, Inc. · 2018Reference device: K212761 · Biocore9 Acetabular Cup System · Biocore9, LLC · 2022Reference device: K963101 · B-P Hemispherical Acetabular Component · Endotec, Inc. · 1997 · recalledReference device: K161569 · Trident® II Tritanium® Acetabular Shells and 6.5 mm Low Profile Hex Screws · Howmedica Osteonics Corp. A.K.A. Stryker Orthopaedics · 2016Reference device: K093746 · Verilast Wear Claims for the Legion Primary Knee System · Smith & Nephew, Inc. · 2010K982302 · Implex Continuum Knee - Hedrocel Tibial Spacers · Implex Corp. · 1998K024161 · Nexgen Complete Knee Solution - Trabecular Metal Augments · Implex Corp. · 2003 · recalledK040487 · Trabecular Metal Knee System Augments · Implex Corp. · 2004 · recalledK053505 · Regenerex Ultra Porous Construct-Femoral and Tibial Knee Augments · Biomet Manufacturing, Inc. · 2006K080361 · Regenerex Tibial Components · Biomet, Inc. · 2008 · recalledK101994 · Apex Knee Modular Tibia System · Omnlife Science · 2010 · recalledK131472 · Apex Knee Modular Tibia System · Omni Life Science, Inc. · 2013K153437 · Apex Revision Knee System · Omnilife Science · 2015 · recalledK163332 · Apex Revision Knee System · Omnilife Science · 2017K191765 · OMNI TiN Coated Apex Knee™ System · Omni Life Science, Inc. · 201919801990200020102020
  1. Root · 10 generations backK982302 Implex Continuum Knee - Hedrocel Tibial SpacersImplex Corp. · 1998
  2. 6 generations between
  3. 3 generations backK153437 Apex Revision Knee SystemOmnilife Science · 2015 · Recalled
  4. 2 generations backK163332 Apex Revision Knee SystemOmnilife Science · 2017
  5. 1 generation backK191765 OMNI TiN Coated Apex Knee™ SystemOmni Life Science, Inc. · 2019
  6. This deviceK252044 Triathlon® Total Knee System - Triathlon® Gold Femoral ComponentsHowmedica Osteonics Corp., Dba Stryker Orthopaedics · 2025
Show all 10 generations
  1. Root · 10 generations backK982302 Implex Continuum Knee - Hedrocel Tibial SpacersImplex Corp. · 1998
  2. 9 generations backK024161 Nexgen Complete Knee Solution - Trabecular Metal AugmentsImplex Corp. · 2003 · Recalled
  3. 8 generations backK040487 Trabecular Metal Knee System AugmentsImplex Corp. · 2004 · Recalled
  4. 7 generations backK053505 Regenerex Ultra Porous Construct-Femoral and Tibial Knee AugmentsBiomet Manufacturing, Inc. · 2006
  5. 6 generations backK080361 Regenerex Tibial ComponentsBiomet, Inc. · 2008 · Recalled
  6. 5 generations backK101994 Apex Knee Modular Tibia SystemOmnlife Science · 2010 · Recalled
  7. 4 generations backK131472 Apex Knee Modular Tibia SystemOmni Life Science, Inc. · 2013
  8. 3 generations backK153437 Apex Revision Knee SystemOmnilife Science · 2015 · Recalled
  9. 2 generations backK163332 Apex Revision Knee SystemOmnilife Science · 2017
  10. 1 generation backK191765 OMNI TiN Coated Apex Knee™ SystemOmni Life Science, Inc. · 2019
  11. This deviceK252044 Triathlon® Total Knee System - Triathlon® Gold Femoral ComponentsHowmedica Osteonics Corp., Dba Stryker Orthopaedics · 2025
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−10K982302Implex Continuum Knee - Hedrocel Tibial SpacersImplex Corp.1998—
−9K024161Nexgen Complete Knee Solution - Trabecular Metal AugmentsImplex Corp.20032
−8K040487Trabecular Metal Knee System AugmentsImplex Corp.20041
−7K053505Regenerex Ultra Porous Construct-Femoral and Tibial Knee AugmentsBiomet Manufacturing, Inc.2006—
−6K080361Regenerex Tibial ComponentsBiomet, Inc.20081
−5K101994Apex Knee Modular Tibia SystemOmnlife Science20101
−4K131472Apex Knee Modular Tibia SystemOmni Life Science, Inc.2013—
−3K153437Apex Revision Knee SystemOmnilife Science20151
−2K163332Apex Revision Knee SystemOmnilife Science2017—
−1K191765OMNI TiN Coated Apex Knee™ SystemOmni Life Science, Inc.2019—
0 (this device)K252044Triathlon® Total Knee System - Triathlon® Gold Femoral ComponentsHowmedica Osteonics Corp., Dba Stryker Orthopaedics2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198110
198410
198510
198610
198710
198920
199140
199230
199320
199490
1995100
1996130
199760
199830
199910
200080
200160
2002110
2003140
200440
200560
200650
200770
200820
200910
201050
201120
201230
201320
201430
201510
201710
FIG. 1 — Lineage of K252044, 1998–2025Source: 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 MBH? 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 MBH device

  1. #1 K241597 Freedom® Total Knee System - Porous Tibial…score 19.9 · 8 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? (2)

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
*K051380Triathlon Press-Fit Total Knee System
Summary page 6
…K252044 Page 2 of 4 Legally Marketed Primary and Additional Predicate Devices to Which Substantial Equivalence is Claimed: • Triathlon™ Total Knee System - K051380 (Primary Predicate) • Omni TiN Coated Apex Knee™ System - K191765 (Additional predicate) Legally Marketed Reference Device…
Howmedica Osteonics Corp.20051
*K191765OMNI TiN Coated Apex Knee™ System
Summary page 6
…dicate Devices to Which Substantial Equivalence is Claimed: • Triathlon™ Total Knee System - K051380 (Primary Predicate) • Omni TiN Coated Apex Knee™ System - K191765 (Additional predicate) Legally Marketed Reference Devices Used to Support Substantial Equivalence: • Triathlon® Tritanium…
Omni Life Science, Inc.2019—
†K123486Triathlon Tritanium Tibial BaseplateStryker20137
†K182346TRULIANT Porous Tibial Tray and Exactech Alteon Bone ScrewsExactech, Inc.2018—
†K212761Biocore9 Acetabular Cup SystemBiocore9, LLC2022—
†K963101B-P Hemispherical Acetabular ComponentEndotec, Inc.19971
†K161569Trident® II Tritanium® Acetabular Shells and 6.5 mm Low Profile Hex ScrewsHowmedica Osteonics Corp. A.K.A. Stryker Orthopaedics2016—
†K093746Verilast Wear Claims for the Legion Primary Knee SystemSmith & Nephew, Inc.2010—

Also cleared against K051380: 7 other devices →

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 27 years and passes through 7 companies; a new generation was cleared every 2.4 years on median.
  • 69 of the 149 ancestors have a recall of any class.
  • 7 other devices also cite its predicate K051380.

How does its category compare?

All MBH devices

MBH Prosthesis, Knee, Patello/Femorotibial, Semi-Constrained, Uncemented, Porous, Coated, Polymer/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 · MBH

8in 2025

2007: 102008: 32009: 32010: 42011: 52012: 52013: 62014: 92015: 82016: 42017: 42018: 62019: 12020: 72021: 62022: 72023: 62024: 102025: 82026 (partial year): 7
2007high 10 (2007) · low 1 (2019)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · MBH

98in 2025

2007: 59 days median2008: 70 days median2009: 209 days median2010: 84 days median2011: 84 days median2012: 90 days median2013: 138 days median2014: 114 days median2015: 100 days median2016: 74 days median2017: 115 days median2018: 89 days median2020: 112 days median2021: 48 days median2022: 57 days median2023: 94 days median2024: 84 days median2025: 98 days median2026 (partial year): 153 days median
2007high 209 (2009) · low 48 (2021)2026

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

Recalls per year · MBH

1in 2024

2009: 22011: 152012: 1, 1 Class I2013: 4, 4 Class I2016: 12017: 92018: 12019: 12020: 22023: 22024: 12026 (partial year): 4
2007high 15 (2011) · low 0 (2007)2026

Class I (5 since 2007) Class II/III not classified

Adverse event reports per year · MBH

1,561in 2025

2007: 272008: 212009: 892010: 1212011: 2472012: 3702013: 3082014: 3852015: 9552016: 1,0342017: 1,0072018: 1,1912019: 1,3942020: 1,0892021: 1,5392022: 1,2612023: 1,2632024: 1,4972025: 1,561
2007high 1,561 (2025) · low 21 (2008)2025

MAUDE reports naming product code MBH, 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
20071059027
2008370021
20093209289
20104840121
201158415247
20125901 (1)370
201361384 (4)308
201491140385
201581000955
201647411,034
2017411591,007
201868911,191
20191—11,394
2020711221,089
202164801,539
202275701,261
202369421,263
2024108411,497
202589801,561
202671534—

What is it indicated for?

General Total Knee Arthroplasty (TKR) Indications: - Painful, disabling joint disease of the knee resulting from: noninflammatory degenerative joint disease (including osteoarthritis, traumatic arthritis, or avascular necrosis), 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…

Read the full statement (101 words)

General Total Knee Arthroplasty (TKR) Indications:

- Painful, disabling joint disease of the knee resulting from: noninflammatory degenerative joint disease (including osteoarthritis, traumatic arthritis, or avascular necrosis), 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.

- Fracture of the distal femur and/or proximal tibia that cannot be stabilized by standard fracture-management techniques

The Triathlon® Gold Femoral Components are indicated for both uncemented and cemented use.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K252044: Triathlon® Total Knee System - Triathlon® Gold Femoral Components.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K252044

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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