510(k) · Cleared
ClearedStryker Universal Mesh
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Stryker · GWO Plate, Cranioplasty, Preformed, Alterable
Cleared on Dec 8, 2016 as substantially equivalent to K022185 (Stryker Instruments, 2002) after a 160-day review. Its family tree reaches back 4 generations to 1996. 2 later devices descend from it.
- Decided
- Dec 8, 2016
- Review
- 160 days
- Class
- Class II
- Product code
- GWO
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 4 generations to K954385 (1996). 11 ancestors in all, the oldest K854886 (1986). 2 later devices descend from it, 2 citing it directly.
- Root · 4 generations backK954385 Synthes Mandibular Modular Fixation SystemSynthes (Usa) · 1996
- 3 generations backK981890 Synthes (Usa) [Synthes] MMFS - 2.0 MM Sagittal Split PlatesSynthes (Usa) · 1998
- 2 generations backK993862 Modus Sagittal Split PlateThe Straumann Co. · 1999
- 1 generation backK022185 Universal CMF SystemStryker Instruments · 2002
- This deviceK161821 Stryker Universal MeshStryker · 2016
- Descendant · cites it directly · 0 of its ownK182425 Universal Mesh - SterileStryker Leibinger GmbH & Co KG · 2018 · Recalled
- Descendant · cites it directly · 0 of its ownK170725 Stryker Universal MeshStryker · 2017
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 |
|---|---|---|---|---|---|
| −4 | K954385 | Synthes Mandibular Modular Fixation System | Synthes (Usa) | 1996 | — |
| −3 | K981890 | Synthes (Usa) [Synthes] MMFS - 2.0 MM Sagittal Split Plates | Synthes (Usa) | 1998 | — |
| −2 | K993862 | Modus Sagittal Split Plate | The Straumann Co. | 1999 | — |
| −1 | K022185 | Universal CMF System | Stryker Instruments | 2002 | — |
| 0 (this device) | K161821 | Stryker Universal Mesh | Stryker | 2016 | — |
| +1 | K182425 | Universal Mesh - Sterile | Stryker Leibinger GmbH & Co KG | 2018 | 1 |
| +1 | K170725 | Stryker Universal Mesh | Stryker | 2017 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1986 | 3 | 0 |
| 1996 | 2 | 0 |
| 2000 | 1 | 0 |
| 2002 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2017 | 1 | 0 |
| 2018 | 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 GWO? 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 GWO device
- #1 K261058 CraniUS Platescore 16.8 · 8 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (1)
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 |
|---|---|---|---|
| * | K022185 | Universal CMF SystemSummary page 4…egulatory Class: Class II Product Code: GWO Classification Neurology Panel: III. PREDICATE DEVICE [§807.92(a)(3)] Universal CMF System – K022185 Page 1 of 5 IV. DEVICE DESCRI… | 2002 |
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 20 years and passes through 4 companies; a new generation was cleared every 3.0 years on median.
- 2 of the 11 ancestors have a recall of any class.
- Of its descendants, K182425 (Stryker Leibinger GmbH & Co KG, 2018) has gone furthest, with 0 descendants of its own.
- 11 other devices also cite its predicate K022185.
How does its category compare?
All GWO devicesGWO Plate, Cranioplasty, Preformed, Alterable: FDA decisions, review times, recalls and adverse event reports over 20 years. 2016, this device’s year, is highlighted.
FDA decisions per year · GWO
2in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · GWO
196in 2019
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · GWO
2in 2015
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · GWO
237in 2025
MAUDE reports naming product code GWO, 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 | 1 | — | 1 | 0 |
| 2008 | 1 | — | 0 | 3 |
| 2009 | 0 | — | 0 | 2 |
| 2010 | 1 | — | 0 | 7 |
| 2011 | 2 | — | 0 | 1 |
| 2012 | 5 | 133 | 0 | 5 |
| 2013 | 4 | 249 | 0 | 7 |
| 2014 | 3 | 109 | 0 | 11 |
| 2015 | 3 | 210 | 2 | 18 |
| 2016 | 3 | 125 | 0 | 18 |
| 2017 | 2 | — | 0 | 47 |
| 2018 | 1 | — | 0 | 41 |
| 2019 | 4 | 196 | 0 | 14 |
| 2020 | 0 | — | 0 | 25 |
| 2021 | 1 | — | 0 | 41 |
| 2022 | 2 | — | 0 | 53 |
| 2023 | 0 | — | 0 | 72 |
| 2024 | 1 | — | 0 | 149 |
| 2025 | 2 | — | 0 | 237 |
| 2026 | 2 | — | 0 | — |
What is it indicated for?
The Universal Mesh is indicated for reconstruction, stabilization and/or rigid fixation subsequent to craniotomy, craniectomy, cranioplasty, and cranial fractures in adults and adolescents (age 12 and higher).
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K161821 · printed Nov 6, 2026
Cite this page
510(k) Report. “K161821: Stryker Universal Mesh.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K161821
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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