510(k) Report

510(k) · Cleared

Cleared

BI-MENTUM™ ALTRX® Dual Mobility Liner

K203532510(k) TraditionalCleared Apr 28, 2021147-day reviewClass II21 CFR 888.3353

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

Depuy Ireland UC · LZO Prosthesis, Hip, Semi-Constrained, Metal/Ceramic/Polymer, Cemented Or Non-Porous, Uncemented

Cleared on Apr 28, 2021 as substantially equivalent to K181744 (Serf, 2018) after a 147-day review. Its family tree reaches back 4 generations to 1999. 6 later devices descend from it.

Decided
Apr 28, 2021
Review
147 days
Class
Class II
Product code
LZO
Recalls
None
Predicates
1

Its longest line of descent runs back 4 generations to K991990 (1999). 5 ancestors in all. 6 later devices descend from it, 1 citing it directly.

Other ancestors, by generationDescendants, by generation 3 generations back: 1 other ancestor 1 generation forward: 1 descendant2 generations forward: 3 descendants3 generations forward: 2 descendants K181744 · BI-MENTUM dual mobility system · Serf · 2018K111572 · Novae Sunfit TH Dual Mobility Acetabular Cup Model Sunfit TH (Metal-Back), Novae E TH Dual Mobility Acetabular Cup Model · Serf · 2011 · recalledK070278 · Polarcup Dual Mobility System · Plus Orthopedics AG · 2007K991990 · Tri-Polar System · Biomet, Inc. · 19990
  1. Root · 4 generations backK991990 Tri-Polar SystemBiomet, Inc. · 1999
  2. 3 generations backK070278 Polarcup Dual Mobility SystemPlus Orthopedics AG · 2007
  3. 2 generations backK111572 Novae Sunfit TH Dual Mobility Acetabular Cup Model Sunfit TH…Serf · 2011 · Recalled
  4. 1 generation backK181744 BI-MENTUM dual mobility systemSerf · 2018
  5. This deviceK203532 BI-MENTUM™ ALTRX® Dual Mobility LinerDepuy Ireland UC · 2021
  6. Descendant · cites it directly · 5 of its ownK231873 DePuy SUMMIT Porocoat Hip Prosthesis – MR Conditional, DePuy SUMMIT…Depuy Ireland UC · 2024
  7. Descendant · 2 generations on · 1 of its ownK251292 RECLAIM Monobloc Revision Femoral StemDepuy Ireland UC · 2025
  8. Descendant · 2 generations on · 1 of its ownK243977 EMPHASYS Acetabular SystemDepuy Ireland UC · 2025
  9. Descendant · 3 generations on · 0 of its ownK260173 M-Vizion Femoral Revision System ExtensionMedacta International S.A. · 2026
  10. Descendant · 3 generations on · 0 of its ownK252067 Velora Acetabular SystemRestor3D, Inc. · 2025

Showing 5 of 6 descendants. See all descendants

Descendants cleared per year

2024: 22025: 32026: 1
2024high 3 (2025) · low 1 (2026)2026

Most influential descendants

Showing 5 of 6 · See all
  • K231873DePuy SUMMIT Porocoat Hip Prosthesis – MR Conditional, DePuy SUMMIT DuoFix Hip…Depuy Ireland UC · 2024 · cites it directly5descendants
  • K251292RECLAIM Monobloc Revision Femoral StemDepuy Ireland UC · 2025 · 2 generations on1descendant
  • K243977EMPHASYS Acetabular SystemDepuy Ireland UC · 2025 · 2 generations on1descendant
  • K260173M-Vizion Femoral Revision System ExtensionMedacta International S.A. · 2026 · 3 generations on0descendants
  • K252067Velora Acetabular SystemRestor3D, Inc. · 2025 · 3 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−4K991990Tri-Polar SystemBiomet, Inc.1999—
−3K070278Polarcup Dual Mobility SystemPlus Orthopedics AG2007—
−2K111572Novae Sunfit TH Dual Mobility Acetabular Cup Model Sunfit TH (Metal-Back)…Serf20115
−1K181744BI-MENTUM dual mobility systemSerf2018—
0 (this device)K203532BI-MENTUM™ ALTRX® Dual Mobility LinerDepuy Ireland UC2021—
+1K231873DePuy SUMMIT Porocoat Hip Prosthesis – MR Conditional, DePuy SUMMIT DuoFix Hip…Depuy Ireland UC2024—
+2K251292RECLAIM Monobloc Revision Femoral StemDepuy Ireland UC2025—
+2K243977EMPHASYS Acetabular SystemDepuy Ireland UC2025—
+3K260173M-Vizion Femoral Revision System ExtensionMedacta International S.A.2026—
+3K252067Velora Acetabular SystemRestor3D, Inc.2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200710

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202420
202530
202610
FIG. 1 — Lineage of K203532, 1999–2026Source: 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 LZO? 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 LZO device

  1. #1 K192827 Quadra-Pscore 19.3 · 10 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? (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
*K181744BI-MENTUM dual mobility system
Summary page 6
…Acetabular Liners (K072963, Mobility Liner Mobility System (K181744) K132959) Intended U…
Serf2018—
†K072963Depuy Pinnacle Altrx Acetabular LinersDePuy Orthopaedics, Inc.2008—
†K132959Depuy Pinnacle Altrx Acetabular LinersDePuy Orthopaedics, Inc.2014—

Also cleared against K181744: 2 other devices →

What descends from it? (6)

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

NumberDeviceApplicantDecidedDescendants
K231873DePuy SUMMIT Porocoat Hip Prosthesis – MR Conditional, DePuy SUMMIT DuoFix Hip…Depuy Ireland UC20245

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 22 years and passes through 4 companies; a new generation was cleared every 7.3 years on median.
  • 2 of the 5 ancestors have a recall of any class.
  • Of its descendants, K231873 (Depuy Ireland UC, 2024) has gone furthest, with 5 descendants of its own.
  • 2 other devices also cite its predicate K181744.

How does its category compare?

All LZO devices

LZO Prosthesis, Hip, Semi-Constrained, Metal/Ceramic/Polymer, Cemented Or Non-Porous, Uncemented: FDA decisions, review times, recalls and adverse event reports over 20 years. 2021, this device’s year, is highlighted.

FDA decisions per year · LZO

14in 2025

2007: 92008: 112009: 72010: 152011: 132012: 142013: 262014: 132015: 122016: 102017: 162018: 182019: 282020: 182021: 122022: 112023: 102024: 112025: 142026 (partial year): 9
2007high 28 (2019) · low 7 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LZO

119in 2025

2007: 87 days median2008: 63 days median2009: 83 days median2010: 78 days median2011: 87 days median2012: 98 days median2013: 100 days median2014: 85 days median2015: 115 days median2016: 177 days median2017: 257 days median2018: 163 days median2019: 109 days median2020: 112 days median2021: 170 days median2022: 279 days median2023: 122 days median2024: 111 days median2025: 119 days median2026 (partial year): 102 days median
2007high 279 (2022) · low 63 (2008)2026

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

Recalls per year · LZO

1in 2025

2007: 22008: 132009: 422011: 102012: 142014: 12015: 12016: 92017: 52018: 22019: 42020: 32022: 42023: 22024: 12025: 1
2007high 42 (2009) · low 0 (2010)2026

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

Adverse event reports per year · LZO

3,244in 2025

2007: 1382008: 1252009: 1892010: 3942011: 5442012: 9632013: 1,3702014: 1,4772015: 1,3482016: 1,7282017: 2,1652018: 3,1332019: 3,0662020: 1,9632021: 2,1992022: 1,9852023: 2,0662024: 2,5862025: 3,244
2007high 3,244 (2025) · low 125 (2008)2025

MAUDE reports naming product code LZO, 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
20079872138
2008116313125
200978342189
201015780394
2011138710544
2012149814963
20132610001,370
2014138511,477
20151211511,348
20161017791,728
20171625752,165
20181816323,133
20192810943,066
20201811231,963
20211217002,199
20221127941,985
20231012222,066
20241111112,586
20251411913,244
202691020—

What is it indicated for?

BI-MENTUMTm ALTRX@ Dual Mobility System is indicated for total hip replacement in the following conditions:

- Osteoarthritis

- Femoral neck fracture

- Dislocation risk

- Osteonecrosis of the femoral head

- Revision procedures where other treatments or devices have failed and if bone reconstruction so permits

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K203532: BI-MENTUM™ ALTRX® Dual Mobility Liner.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K203532

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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