510(k) · Cleared
Recalled · Class II · 2014Zimmer Continuum Acetabular System, Zimmer Trilogy IT Acetabular System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Zimmer, Inc. · LPH Prosthesis, Hip, Semi-Constrained, Metal/Polymer, Porous Uncemented
Cleared on Sep 11, 2009 as substantially equivalent to K021891 (Zimmer, Inc., 2002) and 4 other predicates after a 112-day review. Its family tree reaches back 2 generations to 1994. 246 later devices descend from it. It has been recalled 3 times.
- Decided
- Sep 11, 2009
- Review
- 112 days
- Class
- Class II
- Product code
- LPH
- Recalls
- 3
- Predicates
- 5
Its longest line of descent runs back 2 generations to K934765 (1994). 6 ancestors in all. 246 later devices descend from it, 18 citing it directly.
- Root · 2 generations backK934765 Trilogy Acetabular SystemZimmer, Inc. · 1994 · Recalled
- 1 generation backK021891 Zimmer Trabecular Metal Modular Acetabular SystemZimmer, Inc. · 2002 · Recalled
- This deviceK091508 Zimmer Continuum Acetabular System, Zimmer Trilogy IT Acetabular…Zimmer, Inc. · 2009
- Descendant · cites it directly · 144 of its ownK093846 Longevity IT Highly Crosslinked Polyethylene Elevated LinersZimmer, Inc. · 2010
- Descendant · cites it directly · 143 of its ownK101229 Longevity IT Highly Crosslinked Polyethylene Elevated Liners…Zimmer, Inc. · 2010
- Descendant · cites it directly · 137 of its ownK103662 Continuum and Trilogy Integrated Taper (IT) Acetabular Systems…Zimmer, Inc. · 2011
- Descendant · cites it directly · 109 of its ownK110087 Corin Trinity Acetbular System with Hxlpe LinersCorin USA · 2011
- Descendant · cites it directly · 88 of its ownK120370 Vivacit-E Vitamin E Highly Crosslinked Polyethylene LinersZimmer, Inc. · 2012
Showing 5 of 246 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 246 · See all- K093846Longevity IT Highly Crosslinked Polyethylene Elevated LinersZimmer, Inc. · 2010 · cites it directly144descendants
- K101229Longevity IT Highly Crosslinked Polyethylene Elevated Liners, Continuum Acetabular…Zimmer, Inc. · 2010 · cites it directly143descendants
- K103662Continuum and Trilogy Integrated Taper (IT) Acetabular Systems; Longevity IT Highly…Zimmer, Inc. · 2011 · cites it directly137descendants
- K110087Corin Trinity Acetbular System with Hxlpe LinersCorin USA · 2011 · cites it directly109descendants
- K120370Vivacit-E Vitamin E Highly Crosslinked Polyethylene LinersZimmer, Inc. · 2012 · cites it directly88descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −2 | K934765 | Trilogy Acetabular System | Zimmer, Inc. | 1994 | 16 |
| −1 | K021891 | Zimmer Trabecular Metal Modular Acetabular System | Zimmer, Inc. | 2002 | 3 |
| 0 (this device) | K091508 | Zimmer Continuum Acetabular System, Zimmer Trilogy IT Acetabular System | Zimmer, Inc. | 2009 | — |
| +1 | K093846 | Longevity IT Highly Crosslinked Polyethylene Elevated Liners | Zimmer, Inc. | 2010 | — |
| +1 | K101229 | Longevity IT Highly Crosslinked Polyethylene Elevated Liners, Continuum… | Zimmer, Inc. | 2010 | — |
| +1 | K103662 | Continuum and Trilogy Integrated Taper (IT) Acetabular Systems; Longevity IT… | Zimmer, Inc. | 2011 | — |
| +1 | K110087 | Corin Trinity Acetbular System with Hxlpe Liners | Corin USA | 2011 | — |
| +1 | K120370 | Vivacit-E Vitamin E Highly Crosslinked Polyethylene Liners | Zimmer, Inc. | 2012 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2010 | 3 | 0 |
| 2011 | 3 | 0 |
| 2012 | 11 | 0 |
| 2013 | 13 | 0 |
| 2014 | 6 | 0 |
| 2015 | 8 | 0 |
| 2016 | 9 | 0 |
| 2017 | 8 | 0 |
| 2018 | 17 | 0 |
| 2019 | 25 | 0 |
| 2020 | 20 | 0 |
| 2021 | 13 | 0 |
| 2022 | 18 | 0 |
| 2023 | 18 | 0 |
| 2024 | 21 | 0 |
| 2025 | 26 | 0 |
| 2026 | 27 | 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 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 K233498 Stryker Orthopaedics Hip Systems Labeling Updatescore 24.3 · 20 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the 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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K021891 | Zimmer Trabecular Metal Modular Acetabular SystemSummary page 1…uncemented; 21 CFR 888.3353 Predicate Device: TrabecularMetal Acetabular System, manufactured by Zimmer, Inc. (K021891), Trilogy Acetabular System, manufactured by Zimmer, Inc. (K934765),… | 2002 |
| * | K934765 | Trilogy Acetabular SystemSummary page 1…manufactured by Zimmer, Inc. (K021891), Trilogy Acetabular System, manufactured by Zimmer, Inc. (K934765), Converge Acetabular System, manufactured by Zimmer, Inc… | 1994 |
| * | K012739 | Converge Acetabular System | 2001 |
| * | K002960 | Trilogy Acetabular System Large Head Liner, Model 6353Summary page 1…immer, Inc. (KO 12739), Trilogy Acetabular System Large Head Liner, manufactured by Zimmer, Inc. (K002960), and Trilogy Acetabular System 46mm Large Head Liners, manufactured by… | 2000 |
| * | K003478 | Triology Acetabular System 46MM Large Head Liners, Model 6310Summary page 1…c. (K002960), and Trilogy Acetabular System 46mm Large Head Liners, manufactured by Zimmer, Inc. (K003478) 14 Page2 May 21, 200… | 2001 |
What descends from it? (246)
See all 24618 later devices cite it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K093846 | Longevity IT Highly Crosslinked Polyethylene Elevated Liners | 2010 | 144 |
| K101229 | Longevity IT Highly Crosslinked Polyethylene Elevated Liners, Continuum Acetabular… | 2010 | 143 |
| K103662 | Continuum and Trilogy Integrated Taper (IT) Acetabular Systems; Longevity IT Highly… | 2011 | 137 |
| K110087 | Corin Trinity Acetbular System with Hxlpe Liners | 2011 | 109 |
| K120370 | Vivacit-E Vitamin E Highly Crosslinked Polyethylene Liners | 2012 | 88 |
| K121874 | G7 Acetabular System | 2012 | 53 |
| K112898 | Delta TT Cups, Delta TT Liners, Bone Screws | 2012 | 12 |
| K141395 | Delta TT Acetabular System | 2014 | 10 |
| K163577 | Ecofit® Hip System | 2017 | 9 |
| K122185 | U-Motion II Acetabular System | 2013 | 7 |
Has anything in its family been recalled? (0 Class I)
Recalls of this device
| Date | Class | Recall | Root cause | Reason |
|---|---|---|---|---|
| Oct 1, 2014 | Class II | Z-0094-2015 | Equipment maintenance | The affected products are missing polar boss threads. |
| Mar 19, 2010 | Not classified | Z-0072-2011 | Device Design | The firm has received reports of users encountering difficulties in usage leading to surgical delays or minor damage to a threaded surface of the shell implant. |
| Mar 19, 2010 | Not classified | Z-0071-2011 | Device Design | The firm has received reports of users encountering difficulties in usage leading to surgical delays or minor damage to a threaded surface of the shell implant. |
No ancestor or descendant has a Class I recall.
What does this lineage say?
- The line of descent spans 15 years and passes through 1 company; a new generation was cleared every 8.4 years on median.
- 2 of the 6 ancestors have a recall of any class.
- Of its descendants, K093846 (Zimmer, Inc., 2010) has gone furthest, with 144 descendants of its own.
- 3 other devices also cite its predicate K021891.
How does its category compare?
All LPH devicesLPH Prosthesis, Hip, Semi-Constrained, Metal/Polymer, Porous Uncemented: FDA decisions, review times, recalls and adverse event reports over 20 years. 2009, this device’s year, is highlighted.
FDA decisions per year · LPH
12in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · LPH
153in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · LPH
4in 2025
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · LPH
6,163in 2025
MAUDE reports naming product code LPH, 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 | 10 | 116 | 16 | 509 |
| 2008 | 10 | 86 | 1 | 706 |
| 2009 | 3 | 112 | 2 | 1,156 |
| 2010 | 15 | 100 | 22 | 2,007 |
| 2011 | 16 | 110 | 26 | 3,320 |
| 2012 | 25 | 76 | 30 | 3,785 |
| 2013 | 11 | 135 | 9 | 5,002 |
| 2014 | 20 | 129 | 3 | 5,163 |
| 2015 | 18 | 111 | 1 | 5,830 |
| 2016 | 10 | 150 | 8 | 4,900 |
| 2017 | 12 | 121 | 14 | 5,312 |
| 2018 | 9 | 145 | 2 | 5,954 |
| 2019 | 22 | 164 | 8 | 7,130 |
| 2020 | 7 | 164 | 6 | 5,429 |
| 2021 | 8 | 410 | 4 | 5,978 |
| 2022 | 14 | 247 | 2 | 5,223 |
| 2023 | 10 | 111 | 2 | 5,345 |
| 2024 | 6 | 92 | 1 | 5,626 |
| 2025 | 12 | 153 | 4 | 6,163 |
| 2026 | 8 | 256 | 2 | — |
What is it indicated for?
The Continuum and Trilogy IT Acetabular Systems are indicated for primary or revision surgery for rehabilitating hips damaged as a result of noninflammatory degenerative joint disease (NIDJD) or its composite diagnoses of osteoarthritis, avascular necrosis, protrusio acetabuli, traumatic arthritis, slipped capital epiphysis, fused hip, fracture of the pelvis, and diastrophic variant. The devices are intended for use either with or without bone cement.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K091508 · printed Nov 4, 2026
Cite this page
510(k) Report. “K091508: Zimmer Continuum Acetabular System, Zimmer Trilogy IT Acetabular System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K091508
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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