510(k) · Cleared
ClearedDurasis Dural Substitute
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Cook Biotech, Inc. · GXQ Dura Substitute
Cleared on Sep 8, 2003 as substantially equivalent to K950956 (Bio-Vascular, Inc., 1995) and 4 other predicates after an 84-day review. Its family tree reaches back 3 generations to 1992. 2 later devices descend from it.
- Decided
- Sep 8, 2003
- Review
- 84 days
- Class
- Class II
- Product code
- GXQ
- Recalls
- None
- Predicates
- 5
Its longest line of descent runs back 3 generations to K921895 (1992). 14 ancestors in all, the oldest K830889 (1983). 2 later devices descend from it, 2 citing it directly.
- Root · 3 generations backK921895 Tissue Patch, Tissue GraftBio-Vascular, Inc. · 1992
- 2 generations backK961810 Supple Peri-Guard PericardiumBio-Vascular, Inc. · 1996
- 1 generation backK980431 SurgisisCook Biotech, Inc. · 1998
- This deviceK031850 Durasis Dural SubstituteCook Biotech, Inc. · 2003
- Descendant · cites it directly · 0 of its ownK160869 Biodesign Tissue Graft, Biodesign Dural Graft, Biodesign Peyronie's…Cook Biotech Incorporated · 2016 · Recalled
- Descendant · cites it directly · 0 of its ownK131015 Biodesign Onlay Dural Graft or Biodesign Duraplasty GraftCook Biotech, Inc. · 2013
Most influential descendants
Showing 2 of 2 · See allView FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −3 | K921895 | Tissue Patch, Tissue Graft | Bio-Vascular, Inc. | 1992 | — |
| −2 | K961810 | Supple Peri-Guard Pericardium | Bio-Vascular, Inc. | 1996 | — |
| −1 | K980431 | Surgisis | Cook Biotech, Inc. | 1998 | — |
| 0 (this device) | K031850 | Durasis Dural Substitute | Cook Biotech, Inc. | 2003 | — |
| +1 | K160869 | Biodesign Tissue Graft, Biodesign Dural Graft, Biodesign Peyronie's Repair Graft | Cook Biotech Incorporated | 2016 | 1 |
| +1 | K131015 | Biodesign Onlay Dural Graft or Biodesign Duraplasty Graft | Cook Biotech, Inc. | 2013 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1983 | 1 | 0 |
| 1992 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2013 | 1 | 0 |
| 2016 | 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? (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 |
|---|---|---|---|
| * | K950956 | Dura-Guard Dural Repair Patch, Dura-Guard Dura SubstituteSummary page 1…for use as a dura substitute for repairing dura mater. The device is intended for one-time use. Predicate Devices: Predicate devices are Dura-Guard@Dural Repair Patch (K950956), manufactured by Bio-Vascular, Inc., Tutoplast@Processed Dura Mater (K910555), marketed by Biodynamics International, Inc., CODM… | 1995 |
| * | K910555 | Tutoplast DuraSummary page 1…for one-time use. Predicate Devices: Predicate devices are Dura-Guard@Dural Repair Patch (K950956), manufactured by Bio-Vascular, Inc., Tutoplast@Processed Dura Mater (K910555), marketed by Biodynamics International, Inc., CODMAN ETHISORBTMDura Patch (K991413), marketed by Johnson & Johnson, Surgisis@Sof… | 1992 |
| * | K991413 | Codman Ethisorb Dura PatchSummary page 1…Patch (K950956), manufactured by Bio-Vascular, Inc., Tutoplast@Processed Dura Mater (K910555), marketed by Biodynamics International, Inc., CODMAN ETHISORBTMDura Patch (K991413), marketed by Johnson & Johnson, Surgisis@Soft Tissue Graft (K980431), manufactured by Cook Biotech Incorporated, and DuraGen Dur… | 2000 |
| * | K980431 | SurgisisSummary page 1…ssed Dura Mater (K910555), marketed by Biodynamics International, Inc., CODMAN ETHISORBTMDura Patch (K991413), marketed by Johnson & Johnson, Surgisis@Soft Tissue Graft (K980431), manufactured by Cook Biotech Incorporated, and DuraGen Dural Matrix (K982180) manufactured by Integra Neurosciences. Device De… | 1998 |
| * | K982180 | Duragen Dural Graft MatrixSummary page 1…ETHISORBTMDura Patch (K991413), marketed by Johnson & Johnson, Surgisis@Soft Tissue Graft (K980431), manufactured by Cook Biotech Incorporated, and DuraGen Dural Matrix (K982180) manufactured by Integra Neurosciences. Device Description: Durasis@Dural Substitute is manufactured from porcine small intestin… | 1999 |
What descends from it? (2)
2 later devices cite it directly; ranked here by how many devices descend from each in turn.
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 11 years and passes through 2 companies; a new generation was cleared every 3.6 years on median.
- 1 of the 14 ancestors has a recall of any class.
- Of its descendants, K160869 (Cook Biotech Incorporated, 2016) has gone furthest, with 0 descendants of its own.
- 5 other devices also cite its predicate K950956.
How does its category compare?
All GXQ devicesGXQ Dura Substitute: FDA decisions, review times, recalls and adverse event reports over 20 years.
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?
Durasis' Dural Substitute is intended for use as a dura substitute for repairing dura mater. The device is provided sterile and intended for one-time use.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K031850 · printed Nov 6, 2026
Cite this page
510(k) Report. “K031850: Durasis Dural Substitute.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K031850
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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