510(k) Report

510(k) · Cleared

Recalled · Class II · 2024

ATTUNE® Porous Fixed Bearing Tibial Base with AFFIXIUM™ 3DP

K213781510(k) SpecialCleared Jan 18, 202246-day reviewClass II21 CFR 888.3565Recalls 1

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

Depuy Ireland UC · MBH Prosthesis, Knee, Patello/Femorotibial, Semi-Constrained, Uncemented, Porous, Coated, Polymer/Metal/Polymer

Cleared on Jan 18, 2022 as substantially equivalent to K202194 (Depuy Ireland UC, 2020) after a 46-day review. Its family tree reaches back 7 generations to 1995. It has been recalled once.

Decided
Jan 18, 2022
Review
46 days
Class
Class II
Product code
MBH
Recalls
1
Predicates
1

Its longest line of descent runs back 7 generations to K933785 (1995). 30 ancestors in all, the oldest K910500 (1991). No later device cites it as a predicate yet.

  1. Root · 7 generations backK933785 Next Generation Knee SystemZimmer, Inc. · 1995 · Recalled
  2. 6 generations backK023211 Nexgen Complete Knee Solution Cruciate Retaining (CR)-Flex Femoral…Zimmer, Inc. · 2002 · Recalled
  3. 5 generations backK031061 Nexgen Porous, Uncemented Femoral and Tibial Baseplate ComponentsZimmer, Inc. · 2003 · Recalled
  4. 4 generations backK072160 Nexgen Trabecular Metal Tibial TrayZimmer, Inc. · 2007 · Recalled
  5. 3 generations backK123486 Triathlon Tritanium Tibial BaseplateStryker · 2013 · Recalled
  6. 2 generations backK132624 Triathlon Tritanium Metal-Backed PatellaStryker Orthopaedics · 2013 · Recalled
  7. 1 generation backK202194 ATTUNE® Porous Fixed Bearing Tibial Base, Medialized Dome Patella…Depuy Ireland UC · 2020 · Recalled
  8. This deviceK213781 ATTUNE® Porous Fixed Bearing Tibial Base with AFFIXIUM™ 3DPDepuy Ireland UC · 2022
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−7K933785Next Generation Knee SystemZimmer, Inc.199583
−6K023211Nexgen Complete Knee Solution Cruciate Retaining (CR)-Flex Femoral ComponentsZimmer, Inc.20026
−5K031061Nexgen Porous, Uncemented Femoral and Tibial Baseplate ComponentsZimmer, Inc.200324
−4K072160Nexgen Trabecular Metal Tibial TrayZimmer, Inc.20071
−3K123486Triathlon Tritanium Tibial BaseplateStryker20137
−2K132624Triathlon Tritanium Metal-Backed PatellaStryker Orthopaedics20131
−1K202194ATTUNE® Porous Fixed Bearing Tibial Base, Medialized Dome Patella, and…Depuy Ireland UC20201
0 (this device)K213781ATTUNE® Porous Fixed Bearing Tibial Base with AFFIXIUM™ 3DPDepuy Ireland UC2022—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199110
199210
199410
199510
199620
199710
199910
200340
200430
200540
200610
200810
201010
201110
FIG. 1 — Lineage of K213781, 1995–2022Source: 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 20.0 · 8 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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What was it cleared against? (1)

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
*K202194ATTUNE® Porous Fixed Bearing Tibial Base, Medialized Dome Patella, and Medialized…
Summary page 4
…to which equivalence is claimed Primary Predicate for ATTUNE Porous Fixed Bearing Tibial Base: ATTUNE® Porous Fixed Bearing Tibial Base with AFFIXIUM™ 3DP Technology — K202194 — Cleared 11/25/2020 Reason for 510(k) submission Update Tensile Mechanical Properties In-Process Limits. Device description…
Depuy Ireland UC20201

Also cleared against K202194: 3 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)

Recalls of this device

DateClassRecallRoot causeReason
Mar 12, 2024Class IIZ-1456-2024Process change controlProduct incorrectly labelled.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 27 years and passes through 4 companies; a new generation was cleared every 3.9 years on median.
  • 22 of the 30 ancestors have a recall of any class.
  • 3 other devices also cite its predicate K202194.

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. 2022, 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?

The ATTUNE Porous Fixed Bearing Tibial Base, Medialized Dome Patella and Medialized Anatomic Patella with

AFFIXIUM 3DP Technology are intended for cementless use within the ATTUNE® Total Knee Replacement System. Porous coated implants may be used with or without cement.

Candidates for total knee replacement include patients with a severely painful and/or impaired knee function resulting

from osteoarthritis, post-traumatic arthritis, or a failed previous implant (provided that adequate bone is present).

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. “K213781: ATTUNE® Porous Fixed Bearing Tibial Base with AFFIXIUM™ 3DP.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K213781

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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