510(k) · Cleared
ClearedTrinity Acetabular System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Corin USA · LWJ Prosthesis, Hip, Semi-Constrained, Metal/Polymer, Uncemented
Cleared on Mar 9, 2011 as substantially equivalent to K093472 (Corin USA, 2010) and 2 other predicates after a 99-day review. Its family tree reaches back 9 generations to 1996. 8 later devices descend from it.
- Decided
- Mar 9, 2011
- Review
- 99 days
- Class
- Class II
- Product code
- LWJ
- Recalls
- None
- Predicates
- 3
Its longest line of descent runs back 9 generations to K955033 (1996). 108 ancestors in all, the oldest K840643 (1984). 8 later devices descend from it, 1 citing it directly.
- Root · 9 generations backK955033 Rim Flare Acetabular ComponentIntermedics Orthopedics · 1996
- 5 generations between
- 3 generations backK060437 Excia Total Hip System with U-CapAesculap, Inc. · 2006
- 2 generations backK080584 Metha Short Stem Hip SystemAesculap Implant System, Inc. · 2008
- 1 generation backK083312 Minihip StemCorin USA · 2010
- This deviceK103518 Trinity Acetabular SystemCorin USA · 2011
- Descendant · cites it directly · 7 of its ownK122185 U-Motion II Acetabular SystemUnited Orthopedic Corp. · 2013
- Descendant · 2 generations on · 3 of its ownK163441 Locking Cage, Full XPE CupUnited Orthopedic Corporation · 2017
- Descendant · 2 generations on · 3 of its ownK132455 U-Motion II PS+ CupUnited Orthopedic Corp. · 2013
- Descendant · 2 generations on · 2 of its ownK172833 E-XPE Acetabular Components and U-Motion II Acetabular CupUnited Orthopedic Corporation · 2018
- Descendant · 2 generations on · 2 of its ownK170089 U-Motion II Acetabular System— Additional sizesUnited Orthopedic Corporation · 2017
Show all 9 generations
- Root · 9 generations backK955033 Rim Flare Acetabular ComponentIntermedics Orthopedics · 1996
- 8 generations backK983509 Inter-OP Acetabular System - Durasul Acetabular InsertSulzer Orthopedics, Inc. · 1999
- 7 generations backK993259 Inter-OP Durasul Acetabular Inserts/Cocr Femoral HeadsSulzer Orthopedics, Inc. · 2000 · Recalled
- 6 generations backK022902 Smith & Nephew Hip SystemSmith & Nephew, Inc. · 2002
- 5 generations backK040191 Bicontact Hip Stem and Femoral HeadAesculap · 2004
- 4 generations backK043079 Bicontact Hip System with U-CapAesculap · 2004
- 3 generations backK060437 Excia Total Hip System with U-CapAesculap, Inc. · 2006
- 2 generations backK080584 Metha Short Stem Hip SystemAesculap Implant System, Inc. · 2008
- 1 generation backK083312 Minihip StemCorin USA · 2010
- This deviceK103518 Trinity Acetabular SystemCorin USA · 2011
Showing 5 of 8 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 8 · See all- K122185U-Motion II Acetabular SystemUnited Orthopedic Corp. · 2013 · cites it directly7descendants
- K163441Locking Cage, Full XPE CupUnited Orthopedic Corporation · 2017 · 2 generations on3descendants
- K132455U-Motion II PS+ CupUnited Orthopedic Corp. · 2013 · 2 generations on3descendants
- K172833E-XPE Acetabular Components and U-Motion II Acetabular CupUnited Orthopedic Corporation · 2018 · 2 generations on2descendants
- K170089U-Motion II Acetabular System— Additional sizesUnited Orthopedic Corporation · 2017 · 2 generations on2descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −9 | K955033 | Rim Flare Acetabular Component | Intermedics Orthopedics | 1996 | — |
| −8 | K983509 | Inter-OP Acetabular System - Durasul Acetabular Insert | Sulzer Orthopedics, Inc. | 1999 | — |
| −7 | K993259 | Inter-OP Durasul Acetabular Inserts/Cocr Femoral Heads | Sulzer Orthopedics, Inc. | 2000 | 3 |
| −6 | K022902 | Smith & Nephew Hip System | Smith & Nephew, Inc. | 2002 | — |
| −5 | K040191 | Bicontact Hip Stem and Femoral Head | Aesculap | 2004 | — |
| −4 | K043079 | Bicontact Hip System with U-Cap | Aesculap | 2004 | — |
| −3 | K060437 | Excia Total Hip System with U-Cap | Aesculap, Inc. | 2006 | — |
| −2 | K080584 | Metha Short Stem Hip System | Aesculap Implant System, Inc. | 2008 | — |
| −1 | K083312 | Minihip Stem | Corin USA | 2010 | — |
| 0 (this device) | K103518 | Trinity Acetabular System | Corin USA | 2011 | — |
| +1 | K122185 | U-Motion II Acetabular System | United Orthopedic Corp. | 2013 | — |
| +2 | K163441 | Locking Cage, Full XPE Cup | United Orthopedic Corporation | 2017 | — |
| +2 | K132455 | U-Motion II PS+ Cup | United Orthopedic Corp. | 2013 | — |
| +2 | K172833 | E-XPE Acetabular Components and U-Motion II Acetabular Cup | United Orthopedic Corporation | 2018 | — |
| +2 | K170089 | U-Motion II Acetabular System— Additional sizes | United Orthopedic Corporation | 2017 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1987 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 12 | 0 |
| 1995 | 9 | 0 |
| 1996 | 11 | 0 |
| 1997 | 6 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 8 | 0 |
| 2001 | 4 | 0 |
| 2002 | 4 | 0 |
| 2003 | 7 | 0 |
| 2004 | 2 | 0 |
| 2005 | 5 | 0 |
| 2006 | 2 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2010 | 2 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2013 | 2 | 0 |
| 2017 | 2 | 0 |
| 2018 | 1 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
| 2026 | 1 | 0 |
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 LWJ? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.
- Candidate predicates for a device like this, rankedin the report
- Recall history across each candidate’s familyin the report
What was it cleared against? (3)
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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K093472 | Trinity Acetabular SystemSummary page 1…nted prosthesis (21CFR 888.3353) 6. Legally Marketed Devices to which Substantial Equivalence is claimed: * Corin Trinity Acetabular System (K(093472) a Corin Metafix Femoral Stem (1(082525) * Coriri Mii-lip Femoral Stem (K(0… | 2010 |
| * | K082525 | Corin Metafix Femoral StemSummary page 1…ich Substantial Equivalence is claimed: * Corin Trinity Acetabular System (K(093472) a Corin Metafix Femoral Stem (1(082525) * Coriri Mii-lip Femoral Stem (K(083312) 7. Device Descriptioni: The Trinity Acetabular Syst… | 2010 |
| * | K083312 | Minihip StemSummary page 1…Corin Trinity Acetabular System (K(093472) a Corin Metafix Femoral Stem (1(082525) * Coriri Mii-lip Femoral Stem (K(083312) 7. Device Descriptioni: The Trinity Acetabular System is a modular acetabular cup system consisting of a press f… | 2010 |
What descends from it? (8)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K122185 | U-Motion II Acetabular System | 2013 | 7 |
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 15 years and passes through 7 companies; a new generation was cleared every 1.9 years on median.
- 26 of the 107 ancestors have a recall of any class.
- Of its descendants, K122185 (United Orthopedic Corp., 2013) has gone furthest, with 7 descendants of its own.
- 18 other devices also cite its predicate K093472.
How does its category compare?
All LWJ devicesLWJ Prosthesis, Hip, Semi-Constrained, Metal/Polymer, Uncemented: FDA decisions, review times, recalls and adverse event reports over 20 years. 2011, this device’s year, is highlighted.
FDA decisions per year · LWJ
1in 2012
2026 to Oct 25, outlined.
Median 510(k) review, days · LWJ
Too few LWJ 510(k)s in any year since 2007 to give a median.
Recalls per year · LWJ
2in 2023
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · LWJ
51in 2025
MAUDE reports naming product code LWJ, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 2 | — | 10 | 68 |
| 2008 | 1 | — | 2 | 72 |
| 2009 | 1 | — | 2 | 84 |
| 2010 | 0 | — | 0 | 132 |
| 2011 | 1 | — | 0 | 255 |
| 2012 | 1 | — | 0 | 390 |
| 2013 | 0 | — | 1 | 522 |
| 2014 | 0 | — | 0 | 452 |
| 2015 | 0 | — | 0 | 310 |
| 2016 | 0 | — | 0 | 293 |
| 2017 | 0 | — | 0 | 311 |
| 2018 | 0 | — | 0 | 227 |
| 2019 | 0 | — | 0 | 210 |
| 2020 | 0 | — | 0 | 189 |
| 2021 | 0 | — | 0 | 155 |
| 2022 | 0 | — | 0 | 91 |
| 2023 | 0 | — | 2 | 72 |
| 2024 | 0 | — | 0 | 54 |
| 2025 | 0 | — | 0 | 51 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
The indications for the Trinity Acetabular System 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) or congenital dysplasia of the hip (CDH)
The Trinity Acetabular System is intended for cementless use only.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K103518 · printed Nov 5, 2026
Cite this page
510(k) Report. “K103518: Trinity Acetabular System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K103518
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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