510(k) · Cleared
ClearedLyoplant Onlay
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Aesculap, Inc. · GXQ Dura Substitute
Cleared on Jun 4, 2013 as substantially equivalent to K970851 (Aesculap, Inc., 1997) and 2 other predicates after a 265-day review. Its family tree reaches back 5 generations to 1995.
- Decided
- Jun 4, 2013
- Review
- 265 days
- Class
- Class II
- Product code
- GXQ
- Recalls
- None
- Predicates
- 3
Its longest line of descent runs back 5 generations to K950956 (1995). 10 ancestors in all, the oldest K910555 (1992). No later device cites it as a predicate yet.
- Root · 5 generations backK950956 Dura-Guard Dural Repair Patch, Dura-Guard Dura SubstituteBio-Vascular, Inc. · 1995
- 4 generations backK973706 Dura-Guard-Dural Repair PatchBio-Vascular, Inc. · 1997
- 3 generations backK982180 Duragen Dural Graft MatrixIntegra Lifesciences Corp. · 1999 · Recalled
- 2 generations backK032693 Duragen Plus Dural Graft MatrixIntegra Lifesciences Corp. · 2003 · Recalled
- 1 generation backK043427 Duragen II Dural Regeneration MatrixIntegra Lifesciences Corp. · 2005 · Recalled
- This deviceK122791 Lyoplant OnlayAesculap, Inc. · 2013
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −5 | K950956 | Dura-Guard Dural Repair Patch, Dura-Guard Dura Substitute | Bio-Vascular, Inc. | 1995 | — |
| −4 | K973706 | Dura-Guard-Dural Repair Patch | Bio-Vascular, Inc. | 1997 | — |
| −3 | K982180 | Duragen Dural Graft Matrix | Integra Lifesciences Corp. | 1999 | 1 |
| −2 | K032693 | Duragen Plus Dural Graft Matrix | Integra Lifesciences Corp. | 2003 | 1 |
| −1 | K043427 | Duragen II Dural Regeneration Matrix | Integra Lifesciences Corp. | 2005 | 2 |
| 0 (this device) | K122791 | Lyoplant Onlay | Aesculap, Inc. | 2013 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1992 | 1 | 0 |
| 1995 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 2004 | 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 GXQ? 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 GXQ device
- #1 K251191 Collagen Dura Regeneration Membrane - Repairscore 12.2 · 7 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin 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 |
|---|---|---|---|
| * | K970851 | Lyoplant Dura Substitute (Various)Summary page 3…substitute. The device modifications described in this premarket notification are substantially equivalent to the predicate device Lyoplant Dura Substitute cleared via K970851, Suturable DuraGen cleared via K043427, and Durepair cleared via KO41000. Any technological differences between Lyoplant Onlay an… | 1997 |
| * | K043427 | Duragen II Dural Regeneration MatrixSummary page 3…described in this premarket notification are substantially equivalent to the predicate device Lyoplant Dura Substitute cleared via K970851, Suturable DuraGen cleared via K043427, and Durepair cleared via KO41000. Any technological differences between Lyoplant Onlay and the predicate devices do not raise ne… | 2005 |
| * | K041000 | Durepair Dura Regeneration MatrixSummary page 3…es between Lyoplant Onlay and the predicate devices do not raise new types of safety or effectiveness issues. Lyoplant Onlay Lyoplant K970891 Suturable DuraGen Durepair K041000 (subject device) Aesculap K043247 Integra Medtronic LifeSciences Indications | Lyoplant Onlay is Intended as a dura Indicated as… | 2004 |
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 18 years and passes through 3 companies; a new generation was cleared every 2.6 years on median.
- 4 of the 10 ancestors have a recall of any class.
- 2 other devices also cite its predicate K970851.
How does its category compare?
All GXQ devicesGXQ Dura Substitute: FDA decisions, review times, recalls and adverse event reports over 20 years. 2013, this device’s year, is highlighted.
FDA decisions per year · GXQ
2in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · GXQ
94in 2016
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · GXQ
2in 2024
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · GXQ
61in 2025
MAUDE reports naming product code GXQ, 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 | — | 0 | 55 |
| 2008 | 0 | — | 0 | 43 |
| 2009 | 0 | — | 0 | 46 |
| 2010 | 1 | — | 6 | 36 |
| 2011 | 0 | — | 0 | 31 |
| 2012 | 2 | — | 0 | 38 |
| 2013 | 3 | 181 | 1 | 72 |
| 2014 | 1 | — | 0 | 18 |
| 2015 | 3 | 214 | 0 | 62 |
| 2016 | 3 | 94 | 0 | 58 |
| 2017 | 2 | — | 0 | 57 |
| 2018 | 0 | — | 0 | 94 |
| 2019 | 1 | — | 0 | 63 |
| 2020 | 0 | — | 0 | 114 |
| 2021 | 0 | — | 2 | 76 |
| 2022 | 1 | — | 0 | 59 |
| 2023 | 1 | — | 0 | 109 |
| 2024 | 0 | — | 2 | 55 |
| 2025 | 2 | — | 0 | 61 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
Lyoplant® Onlay is indicated as a dura substitute for the repair of the dura mater.
Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K122791 · printed Nov 6, 2026
Cite this page
510(k) Report. “K122791: Lyoplant Onlay.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K122791
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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