510(k) · Cleared
ClearedDelta Dual Mobility System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Lima Corporate S.P.A. · LZO Prosthesis, Hip, Semi-Constrained, Metal/Ceramic/Polymer, Cemented Or Non-Porous, Uncemented
Cleared on May 9, 2019 as substantially equivalent to K150522 (Biomet, Inc., 2015) and 12 other predicates after a 337-day review. Its family tree reaches back 12 generations to 1981.
- Decided
- May 9, 2019
- Review
- 337 days
- Class
- Class II
- Product code
- LZO
- Recalls
- None
- Predicates
- 13
Its longest line of descent runs back 12 generations to K810258 (1981). 134 ancestors in all. No later device cites it as a predicate yet.
- Root · 12 generations backK810258 Proximal Fermoral Hip ReplacementBiomet, Inc. · 1981
- 8 generations between
- 3 generations backK110555 Arcomxl Active ArticulationBiomet Manufacturing Corp · 2011 · Recalled
- 2 generations backK150522 G7 Dual Mobility SystemBiomet, Inc. · 2015 · Recalled
- 1 generation backK161190 G7 Dual Mobility System, Active Articulation SystemBiomet, Inc. · 2016
- This deviceK181491 Delta Dual Mobility SystemLima Corporate S.P.A. · 2019
Show all 12 generations
- Root · 12 generations backK810258 Proximal Fermoral Hip ReplacementBiomet, Inc. · 1981
- 11 generations backK974558 Salvage/Onocology Hip and Total Femur SystemBiomet, Inc. · 1998
- 10 generations backK032396 Ringloc 36MM Line and Modular Femoral HeadsBiomet, Inc. · 2003 · Recalled
- 9 generations backK042051 Arcomxl Polyethylene LinersBiomet, Inc. · 2005 · Recalled
- 8 generations backK051411 Arcomxl Polyethylene Liners and Biolox Delta HeadsBiomet, Inc. · 2005 · Recalled
- 7 generations backK061312 36MM Biolox Delta Ceramic HeadsBiomet, Inc. · 2006
- 6 generations backK073102 Biolox Delta Ceramic Heads with 100KGY E-Poly Acetabular LinersBiomet Manufacturing Corp · 2007
- 5 generations backK100048 E1 Antioxidant Infused TechnologyBiomet Manufacturing Corp · 2010
- 4 generations backK101336 E1 Avantage HeadBiomet Manufacturing Corp · 2011 · Recalled
- 3 generations backK110555 Arcomxl Active ArticulationBiomet Manufacturing Corp · 2011 · Recalled
- 2 generations backK150522 G7 Dual Mobility SystemBiomet, Inc. · 2015 · Recalled
- 1 generation backK161190 G7 Dual Mobility System, Active Articulation SystemBiomet, Inc. · 2016
- This deviceK181491 Delta Dual Mobility SystemLima Corporate S.P.A. · 2019
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −12 | K810258 | Proximal Fermoral Hip Replacement | Biomet, Inc. | 1981 | — |
| −11 | K974558 | Salvage/Onocology Hip and Total Femur System | Biomet, Inc. | 1998 | — |
| −10 | K032396 | Ringloc 36MM Line and Modular Femoral Heads | Biomet, Inc. | 2003 | 3 |
| −9 | K042051 | Arcomxl Polyethylene Liners | Biomet, Inc. | 2005 | 1 |
| −8 | K051411 | Arcomxl Polyethylene Liners and Biolox Delta Heads | Biomet, Inc. | 2005 | 1 |
| −7 | K061312 | 36MM Biolox Delta Ceramic Heads | Biomet, Inc. | 2006 | — |
| −6 | K073102 | Biolox Delta Ceramic Heads with 100KGY E-Poly Acetabular Liners | Biomet Manufacturing Corp | 2007 | — |
| −5 | K100048 | E1 Antioxidant Infused Technology | Biomet Manufacturing Corp | 2010 | — |
| −4 | K101336 | E1 Avantage Head | Biomet Manufacturing Corp | 2011 | 1 |
| −3 | K110555 | Arcomxl Active Articulation | Biomet Manufacturing Corp | 2011 | 2 |
| −2 | K150522 | G7 Dual Mobility System | Biomet, Inc. | 2015 | 1 |
| −1 | K161190 | G7 Dual Mobility System, Active Articulation System | Biomet, Inc. | 2016 | — |
| 0 (this device) | K181491 | Delta Dual Mobility System | Lima Corporate S.P.A. | 2019 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1988 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 15 | 0 |
| 1995 | 9 | 0 |
| 1996 | 8 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 7 | 0 |
| 2000 | 10 | 0 |
| 2001 | 7 | 0 |
| 2002 | 5 | 0 |
| 2003 | 5 | 0 |
| 2004 | 4 | 0 |
| 2005 | 5 | 0 |
| 2006 | 1 | 0 |
| 2007 | 7 | 0 |
| 2008 | 2 | 0 |
| 2009 | 4 | 0 |
| 2010 | 1 | 0 |
| 2011 | 3 | 0 |
| 2012 | 3 | 0 |
| 2014 | 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 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 K192827 Quadra-Pscore 19.3 · 10 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (13)
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 |
|---|---|---|---|
| * | K150522 | G7 Dual Mobility SystemSummary page 5…cementless use. The Delta Dual Mobility System is intended to be used with Delta TT Acetabular System. Predicate Devices: • G7 Dual Mobility System (Zimmer Biomet, K150522, K161190); • MDM X3 (Stryker/Howmedica, K103233, K112556); • Delta-TT acetabular System (Limacorporate, K112898, K141395);… | 2015 |
| * | K161190 | G7 Dual Mobility System, Active Articulation SystemSummary page 5…ss use. The Delta Dual Mobility System is intended to be used with Delta TT Acetabular System. Predicate Devices: • G7 Dual Mobility System (Zimmer Biomet, K150522, K161190); • MDM X3 (Stryker/Howmedica, K103233, K112556); • Delta-TT acetabular System (Limacorporate, K112898, K141395); • Pola… | 2016 |
| * | K103233 | Modular Dual Mobility Liner, X3 Acetabular InsertSummary page 5…intended to be used with Delta TT Acetabular System. Predicate Devices: • G7 Dual Mobility System (Zimmer Biomet, K150522, K161190); • MDM X3 (Stryker/Howmedica, K103233, K112556); • Delta-TT acetabular System (Limacorporate, K112898, K141395); • Polarcup Dual Mobility System (Smith&Nephew, K… | 2011 |
| * | K112556 | Adm and Adm/MDM Duration Inserts, Adm and Adm/MDM X3 InsertsSummary page 5…to be used with Delta TT Acetabular System. Predicate Devices: • G7 Dual Mobility System (Zimmer Biomet, K150522, K161190); • MDM X3 (Stryker/Howmedica, K103233, K112556); • Delta-TT acetabular System (Limacorporate, K112898, K141395); • Polarcup Dual Mobility System (Smith&Nephew, K070278, K… | 2011 |
| * | K112898 | Delta TT Cups, Delta TT Liners, Bone ScrewsSummary page 4…system. The Delta Dual Mobility System is intended for cementless use in total hip arthroplasty. The system is composed of an acetabular cup shell (previously cleared in K112898, K141395), a fixed liner, a mobile liner and a femoral head (previously cleared in K112158, K141327, K143509). Only femoral heads… | 2012 |
| * | K141395 | Delta TT Acetabular SystemSummary page 4…he Delta Dual Mobility System is intended for cementless use in total hip arthroplasty. The system is composed of an acetabular cup shell (previously cleared in K112898, K141395), a fixed liner, a mobile liner and a femoral head (previously cleared in K112158, K141327, K143509). Only femoral heads with off… | 2014 |
| * | K070278 | Polarcup Dual Mobility SystemSummary page 5…; • MDM X3 (Stryker/Howmedica, K103233, K112556); • Delta-TT acetabular System (Limacorporate, K112898, K141395); • Polarcup Dual Mobility System (Smith&Nephew, K070278, K110135, K122244). • Regenerex RingLoc + Modular acetabular shell and ArComXL polyethylene liners (Biomet, K023357, K032… | 2007 |
| * | K110135 | Polarcup Dual Mobility SystemSummary page 5…M X3 (Stryker/Howmedica, K103233, K112556); • Delta-TT acetabular System (Limacorporate, K112898, K141395); • Polarcup Dual Mobility System (Smith&Nephew, K070278, K110135, K122244). • Regenerex RingLoc + Modular acetabular shell and ArComXL polyethylene liners (Biomet, K023357, K032396, K042… | 2011 |
| * | K122244 | Polarcup Dual Mobility SystemSummary page 5…yker/Howmedica, K103233, K112556); • Delta-TT acetabular System (Limacorporate, K112898, K141395); • Polarcup Dual Mobility System (Smith&Nephew, K070278, K110135, K122244). • Regenerex RingLoc + Modular acetabular shell and ArComXL polyethylene liners (Biomet, K023357, K032396, K042051, K070… | 2012 |
| * | K023357 | Arcpm 1050 Resin-HipsSummary page 5…Polarcup Dual Mobility System (Smith&Nephew, K070278, K110135, K122244). • Regenerex RingLoc + Modular acetabular shell and ArComXL polyethylene liners (Biomet, K023357, K032396, K042051, K070369). Comparable Features to Predicate Device(s): The intended use and indications of the Delta Dual Mobi… | 2002 |
| * | K032396 | Ringloc 36MM Line and Modular Femoral HeadsSummary page 5…Dual Mobility System (Smith&Nephew, K070278, K110135, K122244). • Regenerex RingLoc + Modular acetabular shell and ArComXL polyethylene liners (Biomet, K023357, K032396, K042051, K070369). Comparable Features to Predicate Device(s): The intended use and indications of the Delta Dual Mobility Syst… | 2003 |
| * | K042051 | Arcomxl Polyethylene LinersSummary page 5…ility System (Smith&Nephew, K070278, K110135, K122244). • Regenerex RingLoc + Modular acetabular shell and ArComXL polyethylene liners (Biomet, K023357, K032396, K042051, K070369). Comparable Features to Predicate Device(s): The intended use and indications of the Delta Dual Mobility System are th… | 2005 |
| * | K070369 | Regenerx Ringloc + Modular Acetabular ShellsSummary page 5…tem (Smith&Nephew, K070278, K110135, K122244). • Regenerex RingLoc + Modular acetabular shell and ArComXL polyethylene liners (Biomet, K023357, K032396, K042051, K070369). Comparable Features to Predicate Device(s): The intended use and indications of the Delta Dual Mobility System are the same as… | 2007 |
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 38 years and passes through 3 companies; a new generation was cleared every 1.5 years on median.
- 35 of the 134 ancestors have a recall of any class.
- 8 other devices also cite its predicate K150522.
How does its category compare?
All LZO devicesLZO Prosthesis, Hip, Semi-Constrained, Metal/Ceramic/Polymer, Cemented Or Non-Porous, Uncemented: FDA decisions, review times, recalls and adverse event reports over 20 years. 2019, this device’s year, is highlighted.
FDA decisions per year · LZO
14in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · LZO
119in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · LZO
1in 2025
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · LZO
3,244in 2025
MAUDE reports naming product code LZO, 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 | 9 | 87 | 2 | 138 |
| 2008 | 11 | 63 | 13 | 125 |
| 2009 | 7 | 83 | 42 | 189 |
| 2010 | 15 | 78 | 0 | 394 |
| 2011 | 13 | 87 | 10 | 544 |
| 2012 | 14 | 98 | 14 | 963 |
| 2013 | 26 | 100 | 0 | 1,370 |
| 2014 | 13 | 85 | 1 | 1,477 |
| 2015 | 12 | 115 | 1 | 1,348 |
| 2016 | 10 | 177 | 9 | 1,728 |
| 2017 | 16 | 257 | 5 | 2,165 |
| 2018 | 18 | 163 | 2 | 3,133 |
| 2019 | 28 | 109 | 4 | 3,066 |
| 2020 | 18 | 112 | 3 | 1,963 |
| 2021 | 12 | 170 | 0 | 2,199 |
| 2022 | 11 | 279 | 4 | 1,985 |
| 2023 | 10 | 122 | 2 | 2,066 |
| 2024 | 11 | 111 | 1 | 2,586 |
| 2025 | 14 | 119 | 1 | 3,244 |
| 2026 | 9 | 102 | 0 | — |
What is it indicated for?
The Delta TT Acetabular System is indicated for use in total hip arthroplasty for reduction or relief of pain and/or
improved hip function in skeletally mature patients with the following conditions:
• Non-inflammatory degenerative joint disease such as osteoarthritis, avascular necrosis and hip dysplasia;
• Rheumatoid arthritis;
• Post-traumatic arthritis,
• Correction of functional deformity;
• Fractures, dislocation of the hip and unsuccessful cup arthroplasty.
• Revisions in cases of good remaining bone stock.
Delta TT cup is intended for cementless use.
The Delta Dual Mobility System is intended to be used with Delta TT Acetabular System.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K181491 · printed Nov 5, 2026
Cite this page
510(k) Report. “K181491: Delta Dual Mobility System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K181491
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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