510(k) Report

510(k) · Cleared

Cleared

Trinity EVO Acetabular Shell

K242744510(k) TraditionalCleared Jun 5, 2025267-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

Corin U.S.A. Limited · LPH Prosthesis, Hip, Semi-Constrained, Metal/Polymer, Porous Uncemented

Cleared on Jun 5, 2025 as substantially equivalent to K172551 (Corin U.S.A. Limited, 2018) and 1 other predicate after a 267-day review. Its family tree reaches back 14 generations to 1981.

Decided
Jun 5, 2025
Review
267 days
Class
Class II
Product code
LPH
Recalls
None
Predicates
2

Its longest line of descent runs back 14 generations to K810258 (1981). 214 ancestors in all. No later device cites it as a predicate yet.

Other ancestors, by year cleared 2018: 1 other ancestor2015: 2 other ancestors2014: 1 other ancestor2011: 5 other ancestors2010: 6 other ancestors2008: 2 other ancestors2012: 2 other ancestors2009: 7 other ancestors2007: 8 other ancestors2005: 9 other ancestors2004: 10 other ancestors2003: 9 other ancestors2001: 10 other ancestors2000: 18 other ancestors1999: 13 other ancestors2006: 3 other ancestors2002: 10 other ancestors1998: 6 other ancestors1997: 10 other ancestors1996: 14 other ancestors1994: 19 other ancestors1991: 4 other ancestors1992: 4 other ancestors1983: 1 other ancestor1995: 10 other ancestors1993: 4 other ancestors1988: 2 other ancestors1986: 3 other ancestors1985: 3 other ancestors1990: 1 other ancestor1984: 1 other ancestor1987: 1 other ancestorK810258 · Proximal Fermoral Hip Replacement · Biomet, Inc. · 1981K974558 · Salvage/Onocology Hip and Total Femur System · Biomet, Inc. · 1998K032396 · Ringloc 36MM Line and Modular Femoral Heads · Biomet, Inc. · 2003 · recalled×2: 2 generations cleared close together, K042051 (2005), K051411 (2005) K061312 · 36MM Biolox Delta Ceramic Heads · Biomet, Inc. · 2006K071535 · Biolox Delta Ceramic Femoral Head · Zimmer, Inc. · 2007 · recalledK082844 · Biolox Delta Ceramic Femoral Head, Biolox Delta Ceramic Femoral Head Offset Sleeve · Encore Medical L.P. · 2008 · recalledK100412 · Biolox Delta Ceramic Femoral Heads · Smith & Nephew, Inc. · 2010×2: 2 generations cleared close together, K103120 (2011), K110087 (2011) ×2: 2 generations cleared close together, K122305 (2012), K130128 (2013) K172551 · Trinity PLUS Acetabular Shell · Corin U.S.A. Limited · 201819801990200020102020
Other ancestors, by generation 1 generation back: 1 other ancestor2 generations back: 6 other ancestors3 generations back: 22 other ancestors4 generations back: 36 other ancestors5 generations back: 39 other ancestors6 generations back: 56 other ancestors7 generations back: 28 other ancestors8 generations back: 9 other ancestors9 generations back: 2 other ancestors K172551 · Trinity PLUS Acetabular Shell · Corin U.S.A. Limited · 2018K130128 · Trinity Acetabular System · Corin Medical · 2013K122305 · Corin Trinity-I Acetabular Shell · Corin USA · 2012K110087 · Corin Trinity Acetbular System with Hxlpe Liners · Corin USA · 2011K103120 · Corin Biolox Delta Femoral Heads · Corin USA · 2011K100412 · Biolox Delta Ceramic Femoral Heads · Smith & Nephew, Inc. · 2010K082844 · Biolox Delta Ceramic Femoral Head, Biolox Delta Ceramic Femoral Head Offset Sleeve · Encore Medical L.P. · 2008 · recalledK071535 · Biolox Delta Ceramic Femoral Head · Zimmer, Inc. · 2007 · recalledK061312 · 36MM Biolox Delta Ceramic Heads · Biomet, Inc. · 2006K051411 · Arcomxl Polyethylene Liners and Biolox Delta Heads · Biomet, Inc. · 2005 · recalledK042051 · Arcomxl Polyethylene Liners · Biomet, Inc. · 2005 · recalledK032396 · Ringloc 36MM Line and Modular Femoral Heads · Biomet, Inc. · 2003 · recalledK974558 · Salvage/Onocology Hip and Total Femur System · Biomet, Inc. · 1998K810258 · Proximal Fermoral Hip Replacement · Biomet, Inc. · 1981−10−50
  1. Root · 14 generations backK810258 Proximal Fermoral Hip ReplacementBiomet, Inc. · 1981
  2. 10 generations between
  3. 3 generations backK122305 Corin Trinity-I Acetabular ShellCorin USA · 2012
  4. 2 generations backK130128 Trinity Acetabular SystemCorin Medical · 2013
  5. 1 generation backK172551 Trinity PLUS Acetabular ShellCorin U.S.A. Limited · 2018
  6. This deviceK242744 Trinity EVO Acetabular ShellCorin U.S.A. Limited · 2025
Show all 14 generations
  1. Root · 14 generations backK810258 Proximal Fermoral Hip ReplacementBiomet, Inc. · 1981
  2. 13 generations backK974558 Salvage/Onocology Hip and Total Femur SystemBiomet, Inc. · 1998
  3. 12 generations backK032396 Ringloc 36MM Line and Modular Femoral HeadsBiomet, Inc. · 2003 · Recalled
  4. 11 generations backK042051 Arcomxl Polyethylene LinersBiomet, Inc. · 2005 · Recalled
  5. 10 generations backK051411 Arcomxl Polyethylene Liners and Biolox Delta HeadsBiomet, Inc. · 2005 · Recalled
  6. 9 generations backK061312 36MM Biolox Delta Ceramic HeadsBiomet, Inc. · 2006
  7. 8 generations backK071535 Biolox Delta Ceramic Femoral HeadZimmer, Inc. · 2007 · Recalled
  8. 7 generations backK082844 Biolox Delta Ceramic Femoral Head, Biolox Delta Ceramic Femoral Head…Encore Medical L.P. · 2008 · Recalled
  9. 6 generations backK100412 Biolox Delta Ceramic Femoral HeadsSmith & Nephew, Inc. · 2010
  10. 5 generations backK103120 Corin Biolox Delta Femoral HeadsCorin USA · 2011
  11. 4 generations backK110087 Corin Trinity Acetbular System with Hxlpe LinersCorin USA · 2011
  12. 3 generations backK122305 Corin Trinity-I Acetabular ShellCorin USA · 2012
  13. 2 generations backK130128 Trinity Acetabular SystemCorin Medical · 2013
  14. 1 generation backK172551 Trinity PLUS Acetabular ShellCorin U.S.A. Limited · 2018
  15. This deviceK242744 Trinity EVO Acetabular ShellCorin U.S.A. Limited · 2025
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−14K810258Proximal Fermoral Hip ReplacementBiomet, Inc.1981—
−13K974558Salvage/Onocology Hip and Total Femur SystemBiomet, Inc.1998—
−12K032396Ringloc 36MM Line and Modular Femoral HeadsBiomet, Inc.20033
−11K042051Arcomxl Polyethylene LinersBiomet, Inc.20051
−10K051411Arcomxl Polyethylene Liners and Biolox Delta HeadsBiomet, Inc.20051
−9K06131236MM Biolox Delta Ceramic HeadsBiomet, Inc.2006—
−8K071535Biolox Delta Ceramic Femoral HeadZimmer, Inc.20073
−7K082844Biolox Delta Ceramic Femoral Head, Biolox Delta Ceramic Femoral Head Offset…Encore Medical L.P.20081
−6K100412Biolox Delta Ceramic Femoral HeadsSmith & Nephew, Inc.2010—
−5K103120Corin Biolox Delta Femoral HeadsCorin USA2011—
−4K110087Corin Trinity Acetbular System with Hxlpe LinersCorin USA2011—
−3K122305Corin Trinity-I Acetabular ShellCorin USA2012—
−2K130128Trinity Acetabular SystemCorin Medical2013—
−1K172551Trinity PLUS Acetabular ShellCorin U.S.A. Limited2018—
0 (this device)K242744Trinity EVO Acetabular ShellCorin U.S.A. Limited2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198310
198410
198530
198630
198710
198820
199010
199140
199240
199340
1994190
1995100
1996140
1997100
199860
1999130
2000180
2001100
2002100
200390
2004100
200590
200630
200780
200820
200970
201060
201150
201220
201410
201520
201810
FIG. 1 — Lineage of K242744, 1981–2025Source: 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 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? (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
*K172551Trinity PLUS Acetabular Shell
Summary page 5
…21 CFR 807.92(a)(3) Predicate# Predicate Trade Name (Primary Predicate is listed first) Product Code K172551 Trinity PLUS Acetabular Shell LPH K181366…
Corin U.S.A. Limited2018—
*K181366REDAPT Porous Acetabular Shell
Summary page 5
…Product Code K172551 Trinity PLUS Acetabular Shell LPH K181366 REDAPT Porous Acetabular Shell LPH Device Desc…
Smith & Nephew, Inc.2018—

Also cleared against K172551: 1 other device →

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 44 years and passes through 7 companies; a new generation was cleared every 1.5 years on median.
  • 55 of the 213 ancestors have a recall of any class.
  • 1 other device also cites its predicate K172551.

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. 2025, this device’s year, is highlighted.

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 indications for the Trinity™ EVO Acetabular Shell as a total hip arthroplasty include:

Non-inflammatory degenerative joint disease including osteoarthritis and avascular necrosis.

Rheumatoid arthritis.

Correction of functional deformity.

Developmental dysplasia of the hip (DDH)/Congenital dislocation of the hip (CDH)

The Trinity™ EVO acetabular shell is also indicated for use in revisions of a previously failed total hip arthroplasty.

The Trinity™ EVO Acetabular Shell is indicated for cementless use only.

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. “K242744: Trinity EVO Acetabular Shell.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K242744

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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