510(k) Report

510(k) · Cleared

Cleared

Trident T Acetabular Shells

K040412510(k) TraditionalCleared May 25, 200497-day reviewClass II21 CFR 888.3358

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

Stryker Orthopaedics · LPH Prosthesis, Hip, Semi-Constrained, Metal/Polymer, Porous Uncemented

Cleared on May 25, 2004 as substantially equivalent to K010170 (Howmedica Osteonics Corp., 2001) and 4 other predicates after a 97-day review. Its family tree reaches back 5 generations to 1994. 23 later devices descend from it.

Decided
May 25, 2004
Review
97 days
Class
Class II
Product code
LPH
Recalls
None
Predicates
5

Its longest line of descent runs back 5 generations to K941141 (1994). 25 ancestors in all, the oldest K903362 (1990). 23 later devices descend from it, 4 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2001: 2 other ancestors1998: 3 other ancestors2000: 1 other ancestor1995: 7 other ancestors1994: 3 other ancestors1997: 2 other ancestors1996: 1 other ancestor1990: 1 other ancestor2016: 1 descendant cleared2019: 3 descendants cleared2017: 1 descendant cleared2007: 1 descendant cleared2018: 1 descendant cleared2022: 4 descendants cleared2020: 2 descendants cleared2021: 1 descendant cleared2023: 1 descendant cleared2025: 5 descendants cleared2026: 1 descendant cleared2024: 2 descendants clearedK941141 · Precision Ostelock SP Femoral Component · Howmedica Corp. · 1994K972228 · Meridian Titanium Femoral Stems · Howmedica, Inc. · 1997K993768 · Citation TMZF HA Stem · Howmedica Osteonics Corp. · 2000 · recalledK001448 · Trident Acetabular Shells: PS-HA · Howmedica Osteonics Corp. · 2000K013676 · Trident Hemispherical Acetabular Shells · Howmedica Osteonics Corp. · 2001 · recalled1990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 4 other ancestors2 generations back: 4 other ancestors3 generations back: 3 other ancestors4 generations back: 8 other ancestors5 generations back: 1 other ancestor 1 generation forward: 4 descendants2 generations forward: 10 descendants3 generations forward: 9 descendants K013676 · Trident Hemispherical Acetabular Shells · Howmedica Osteonics Corp. · 2001 · recalledK001448 · Trident Acetabular Shells: PS-HA · Howmedica Osteonics Corp. · 2000K993768 · Citation TMZF HA Stem · Howmedica Osteonics Corp. · 2000 · recalledK972228 · Meridian Titanium Femoral Stems · Howmedica, Inc. · 1997K941141 · Precision Ostelock SP Femoral Component · Howmedica Corp. · 1994−50
  1. Root · 5 generations backK941141 Precision Ostelock SP Femoral ComponentHowmedica Corp. · 1994
  2. 4 generations backK972228 Meridian Titanium Femoral StemsHowmedica, Inc. · 1997
  3. 3 generations backK993768 Citation TMZF HA StemHowmedica Osteonics Corp. · 2000 · Recalled
  4. 2 generations backK001448 Trident Acetabular Shells: PS-HAHowmedica Osteonics Corp. · 2000
  5. 1 generation backK013676 Trident Hemispherical Acetabular ShellsHowmedica Osteonics Corp. · 2001 · Recalled
  6. This deviceK040412 Trident T Acetabular ShellsStryker Orthopaedics · 2004
  7. Descendant · cites it directly · 17 of its ownK153345 Stryker Orthopaedics Hip Systems Labeling UpdateStryker Orthopaedics · 2016 · Recalled
  8. Descendant · 2 generations on · 8 of its ownK173499 Exeter V40 Femoral Stem Hip System, Orthinox V40 Femoral HeadsStryker Orthopaedics · 2018 · Recalled
  9. Descendant · 2 generations on · 7 of its ownK182468 Trident X3 Acetabular Inserts, ADM and MDM X3 Acetabular Inserts…Howmedica Osteonics Corp. A.K.A. Stryker Orthopaedics · 2019
  10. Descendant · 2 generations on · 6 of its ownK220731 Insignia Hip Stem, Restoration Modular 115mm Conical Distal StemStryker · 2022
  11. Descendant · 2 generations on · 6 of its ownK193429 Exeter V40 Femoral Stem, Exeter X3 RimFit CupHowmedica Osteonics Corp. · 2020 · Recalled

Showing 5 of 23 descendants. See all descendants

Descendants cleared per year

2007: 12016: 12017: 12018: 12019: 32020: 22021: 12022: 42023: 12024: 22025: 52026: 1
2007high 5 (2025) · low 0 (2008)2026

Most influential descendants

Showing 5 of 23 · See all
  • K153345Stryker Orthopaedics Hip Systems Labeling UpdateStryker Orthopaedics · 2016 · cites it directly17descendants
  • K173499Exeter V40 Femoral Stem Hip System, Orthinox V40 Femoral HeadsStryker Orthopaedics · 2018 · 2 generations on8descendants
  • K182468Trident X3 Acetabular Inserts, ADM and MDM X3 Acetabular Inserts, Accolade II Hip SystemHowmedica Osteonics Corp. A.K.A. Stryker Orthopaedics · 2019 · 2 generations on7descendants
  • K220731Insignia Hip Stem, Restoration Modular 115mm Conical Distal StemStryker · 2022 · 2 generations on6descendants
  • K193429Exeter V40 Femoral Stem, Exeter X3 RimFit CupHowmedica Osteonics Corp. · 2020 · 2 generations on6descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5K941141Precision Ostelock SP Femoral ComponentHowmedica Corp.1994—
−4K972228Meridian Titanium Femoral StemsHowmedica, Inc.1997—
−3K993768Citation TMZF HA StemHowmedica Osteonics Corp.200012
−2K001448Trident Acetabular Shells: PS-HAHowmedica Osteonics Corp.2000—
−1K013676Trident Hemispherical Acetabular ShellsHowmedica Osteonics Corp.20018
0 (this device)K040412Trident T Acetabular ShellsStryker Orthopaedics2004—
+1K153345Stryker Orthopaedics Hip Systems Labeling UpdateStryker Orthopaedics20161
+2K173499Exeter V40 Femoral Stem Hip System, Orthinox V40 Femoral HeadsStryker Orthopaedics20182
+2K182468Trident X3 Acetabular Inserts, ADM and MDM X3 Acetabular Inserts, Accolade II…Howmedica Osteonics Corp. A.K.A. Stryker Orthopaedics2019—
+2K220731Insignia Hip Stem, Restoration Modular 115mm Conical Distal StemStryker2022—
+2K193429Exeter V40 Femoral Stem, Exeter X3 RimFit CupHowmedica Osteonics Corp.20201

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199010
199430
199570
199610
199720
199830
200010
200120

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200710
201610
201710
201810
201930
202020
202110
202240
202310
202420
202550
202610
FIG. 1 — Lineage of K040412, 1994–2026Source: 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 LPH? 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 LPH device

  1. #1 K233498 Stryker Orthopaedics Hip Systems Labeling Updatescore 24.2 · 20 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
*K010170Trident Porous Titanium Acetabular Component
Summary page 1
…E-Mail: Ginnv. Stambergc1-(wstryker. corn Date Summary Prepared: Februarv 17. 2004 Identification of Predicates 1. K010170 - Trident® Porous Titanium 2. KOI 3475 - Tridenri® Porous Titanium…
Howmedica Osteonics Corp.2001—
*K013475Trident Porous Titanium Acetabular Component with Peri-Apatite CoatingHowmedica Osteonics Corp.2001—
*K983502Osteonics Secur-Fit AD Generation II Acetabular Component System
Summary page 2
…e 2 === Tridcrit' "T" Acetab~idav Shells 51 0(k) P'rviarket Notification 4 3. 1(983502 - Osteonics Secur-FIl-AD Genieration 11 Acetabular Componients 4. K983382 - formerly designated as Osteonics Generation 11 A…
Osteonics Corp.19981
*K983382Osteonics HA Generation II Acetabular Component System
Summary page 2
…51 0(k) P'rviarket Notification 4 3. 1(983502 - Osteonics Secur-FIl-AD Genieration 11 Acetabular Componients 4. K983382 - formerly designated as Osteonics Generation 11 Acetabuilar Compolietits 5.K013676 - Trident® AD and AD/HA Hemispherical…
Osteonics Corp.19984
*K013676Trident Hemispherical Acetabular Shells
Summary page 2
…983502 - Osteonics Secur-FIl-AD Genieration 11 Acetabular Componients 4. K983382 - formerly designated as Osteonics Generation 11 Acetabuilar Compolietits 5.K013676 - Trident® AD and AD/HA Hemispherical Acetabtilar Shells Device Description The subject devices are identical to their correspo…
Howmedica Osteonics Corp.20018

Also cleared against K010170: 8 other devices →

What descends from it? (23)

See all 23

4 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K153345Stryker Orthopaedics Hip Systems Labeling UpdateStryker Orthopaedics201617
K190057DJO Acetabular SystemEncore Medical L.P.20192
K162125MALUC™ Total Hip Arthroplasty SystemSurgtech, Inc.20170
K071583Cermet Iii Acetabular Cup SystemImplants International, Ltd.20070

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 10 years and passes through 4 companies; a new generation was cleared every 2.1 years on median.
  • 10 of the 25 ancestors have a recall of any class.
  • Of its descendants, K153345 (Stryker Orthopaedics, 2016) has gone furthest, with 17 descendants of its own.
  • 8 other devices also cite its predicate K010170.

How does its category compare?

All LPH devices

LPH Prosthesis, Hip, Semi-Constrained, Metal/Polymer, Porous Uncemented: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · LPH

12in 2025

2007: 102008: 102009: 32010: 152011: 162012: 252013: 112014: 202015: 182016: 102017: 122018: 92019: 222020: 72021: 82022: 142023: 102024: 62025: 122026 (partial year): 8
2007high 25 (2012) · low 3 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LPH

153in 2025

2007: 116 days median2008: 86 days median2009: 112 days median2010: 100 days median2011: 110 days median2012: 76 days median2013: 135 days median2014: 129 days median2015: 111 days median2016: 150 days median2017: 121 days median2018: 145 days median2019: 164 days median2020: 164 days median2021: 410 days median2022: 247 days median2023: 111 days median2024: 92 days median2025: 153 days median2026 (partial year): 256 days median
2007high 410 (2021) · low 76 (2012)2026

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

Recalls per year · LPH

4in 2025

2007: 162008: 12009: 22010: 222011: 262012: 302013: 92014: 32015: 12016: 82017: 142018: 22019: 82020: 62021: 42022: 22023: 22024: 12025: 42026 (partial year): 2
2007high 30 (2012) · low 1 (2008)2026

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

Adverse event reports per year · LPH

6,163in 2025

2007: 5092008: 7062009: 1,1562010: 2,0072011: 3,3202012: 3,7852013: 5,0022014: 5,1632015: 5,8302016: 4,9002017: 5,3122018: 5,9542019: 7,1302020: 5,4292021: 5,9782022: 5,2232023: 5,3452024: 5,6262025: 6,163
2007high 7,130 (2019) · low 509 (2007)2025

MAUDE reports naming product code LPH, 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
20071011616509
200810861706
2009311221,156
201015100222,007
201116110263,320
20122576303,785
20131113595,002
20142012935,163
20151811115,830
20161015084,900
201712121145,312
2018914525,954
20192216487,130
2020716465,429
2021841045,978
20221424725,223
20231011125,345
202469215,626
20251215346,163
202682562—

What is it indicated for?

The Trident® Acetabular Shells are single-use devices intended for cementless fixation within the prepared acetabulum. They are compatible with Trident® polyethylene acetabular bearing insert. If additional fixation is desired, the dome screw holes, if present, have been designed to accept Stryker Orthopaedics 6.5mm or 5.5mm bone screws. Indications · Painful, disabling joint disease of the hip resulting from: degenerative arthritis, rheumatoid…

Read the full statement (120 words)

The Trident® Acetabular Shells are single-use devices intended for cementless fixation within the prepared acetabulum. They are compatible with Trident® polyethylene acetabular bearing insert. If additional fixation is desired, the dome screw holes, if present, have been designed to accept Stryker Orthopaedics 6.5mm or 5.5mm bone screws.

Indications

· Painful, disabling joint disease of the hip resulting from: degenerative arthritis, rheumatoid arthritis, post-traumatic arthritis or late stage avascular necrosis.

• Revision of previous unsuccessful femoral head replacement, cup arthroplasty or other procedure.

· Clinical management problems where arthrodesis or alternative reconstructive techniques are less likely to achieve satisfactory results.

· Where bone stock is of poor quality or inadequate for other reconstructive techniques as indicated by deficiencies of the acetabulum.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K040412: Trident T Acetabular Shells.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K040412

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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