510(k) Report

510(k) · Cleared

Cleared

Longeviti PMMA Static Cranial Implant

K170410510(k) TraditionalCleared Mar 23, 2018406-day reviewClass II21 CFR 882.5330

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Longeviti Neuro Solutions, LLC · GXN Plate, Cranioplasty, Preformed, Non-Alterable

Cleared on Mar 23, 2018 as substantially equivalent to K133082 (Osteosymbionics, LLC, 2014) and 1 other predicate after a 406-day review. Its family tree reaches back 4 generations to 1990. 4 later devices descend from it.

Decided
Mar 23, 2018
Review
406 days
Class
Class II
Product code
GXN
Recalls
None
Predicates
2

Its longest line of descent runs back 4 generations to K904111 (1990). 7 ancestors in all, the oldest K873689 (1987). 4 later devices descend from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2004: 1 other ancestor1987: 1 other ancestor1993: 1 other ancestor2020: 2 descendants cleared2023: 1 descendant cleared2026: 1 descendant clearedK904111 · HTR Polymer, HTR-MX · United States Surgical, A Division of Tyco Healthc · 1990K043250 · Stryker Patient Specific Polymer Implant · Stryker Leibinger · 2005 · recalledK072601 · Osteosymbionics Patient Specific Cranial Implant · Osteosymbionics, LLC · 2007K133082 · Osteosymbionics Patient-Specific Cranial Plate · Osteosymbionics, LLC · 20141990200020102020
Other ancestors, by generationDescendants, by generation 2 generations back: 2 other ancestors3 generations back: 1 other ancestor 1 generation forward: 1 descendant2 generations forward: 1 descendant3 generations forward: 1 descendant4 generations forward: 1 descendant K133082 · Osteosymbionics Patient-Specific Cranial Plate · Osteosymbionics, LLC · 2014K072601 · Osteosymbionics Patient Specific Cranial Implant · Osteosymbionics, LLC · 2007K043250 · Stryker Patient Specific Polymer Implant · Stryker Leibinger · 2005 · recalledK904111 · HTR Polymer, HTR-MX · United States Surgical, A Division of Tyco Healthc · 19900
  1. Root · 4 generations backK904111 HTR Polymer, HTR-MXUnited States Surgical, A Division of Tyco Healthc · 1990
  2. 3 generations backK043250 Stryker Patient Specific Polymer ImplantStryker Leibinger · 2005 · Recalled
  3. 2 generations backK072601 Osteosymbionics Patient Specific Cranial ImplantOsteosymbionics, LLC · 2007
  4. 1 generation backK133082 Osteosymbionics Patient-Specific Cranial PlateOsteosymbionics, LLC · 2014
  5. This deviceK170410 Longeviti PMMA Static Cranial ImplantLongeviti Neuro Solutions, LLC · 2018
  6. Descendant · cites it directly · 3 of its ownK191210 Longeviti ClearFit Cranial ImplantLongeviti Neuro Solutions, LLC · 2020
  7. Descendant · 2 generations on · 2 of its ownK203349 Longeviti ClearFit Cranial ImplantLongeviti Neuro Solutions, LLC · 2020
  8. Descendant · 3 generations on · 1 of its ownK231920 Longeviti ClearFit OTS Cranial ImplantLongeviti Neuro Solutions, LLC · 2023
  9. Descendant · 4 generations on · 0 of its ownK260709 ClearFit Ti Ring 14mm (171750);ClearFit Ti Ring 14mm with Slot…Longeviti Neuro Solutions · 2026

Most influential descendants

Showing 4 of 4 · See all
  • K191210Longeviti ClearFit Cranial ImplantLongeviti Neuro Solutions, LLC · 2020 · cites it directly3descendants
  • K203349Longeviti ClearFit Cranial ImplantLongeviti Neuro Solutions, LLC · 2020 · 2 generations on2descendants
  • K231920Longeviti ClearFit OTS Cranial ImplantLongeviti Neuro Solutions, LLC · 2023 · 3 generations on1descendant
  • K260709ClearFit Ti Ring 14mm (171750);ClearFit Ti Ring 14mm with Slot (171751);ClearFit Ti Ring…Longeviti Neuro Solutions · 2026 · 4 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−4K904111HTR Polymer, HTR-MXUnited States Surgical, A Division of Tyco Healthc1990—
−3K043250Stryker Patient Specific Polymer ImplantStryker Leibinger20054
−2K072601Osteosymbionics Patient Specific Cranial ImplantOsteosymbionics, LLC2007—
−1K133082Osteosymbionics Patient-Specific Cranial PlateOsteosymbionics, LLC2014—
0 (this device)K170410Longeviti PMMA Static Cranial ImplantLongeviti Neuro Solutions, LLC2018—
+1K191210Longeviti ClearFit Cranial ImplantLongeviti Neuro Solutions, LLC2020—
+2K203349Longeviti ClearFit Cranial ImplantLongeviti Neuro Solutions, LLC2020—
+3K231920Longeviti ClearFit OTS Cranial ImplantLongeviti Neuro Solutions, LLC2023—
+4K260709ClearFit Ti Ring 14mm (171750);ClearFit Ti Ring 14mm with Slot…Longeviti Neuro Solutions2026—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198710
199310
200410

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202020
202310
202610
FIG. 1 — Lineage of K170410, 1990–2026Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

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 GXN? 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 GXN device

  1. #1 K260709 ClearFit Ti Ring 14mm (171750);ClearFit Ti…score 13.7 · 8 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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What was it cleared against? (2)

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.

TypeNumberDeviceApplicantDecidedRecalls
*K133082Osteosymbionics Patient-Specific Cranial Plate
Summary page 4
…Primary Predicate Device: OsteoSymbionics Patient Specific Cranial Plate (a.k.a. ClearSheild) – K133082 Secondary Predicate Device: OsteoSymbionics…
Osteosymbionics, LLC2014—
*K072601Osteosymbionics Patient Specific Cranial Implant
Summary page 4
…Secondary Predicate Device: OsteoSymbionics Patient Specific Cranial Implant – K072601 Device Description The Longeviti PMMA Static Cranial Implants are patient specific, imp…
Osteosymbionics, LLC2007—

What descends from it? (4)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K191210Longeviti ClearFit Cranial ImplantLongeviti Neuro Solutions, LLC20203

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 28 years and passes through 4 companies; a new generation was cleared every 6.4 years on median.
  • 2 of the 7 ancestors have a recall of any class.
  • Of its descendants, K191210 (Longeviti Neuro Solutions, LLC, 2020) has gone furthest, with 3 descendants of its own.

How does its category compare?

All GXN devices

GXN Plate, Cranioplasty, Preformed, Non-Alterable: FDA decisions, review times, recalls and adverse event reports over 20 years. 2018, this device’s year, is highlighted.

FDA decisions per year · GXN

2in 2025

2007: 22008: 12011: 22012: 32013: 12014: 22015: 22016: 12017: 22018: 32020: 52021: 32022: 22023: 12024: 12025: 22026 (partial year): 4
2007high 5 (2020) · low 0 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · GXN

69in 2021

2012: 102 days median2018: 199 days median2020: 33 days median2021: 69 days median2026 (partial year): 193 days median
2007high 199 (2018) · low 33 (2020)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · GXN

6in 2018

2018: 6
2007high 6 (2018) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · GXN

24in 2025

2007: 32008: 172009: 172010: 232011: 202012: 292013: 572014: 602015: 472016: 352017: 742018: 562019: 542020: 632021: 632022: 572023: 322024: 352025: 24
2007high 74 (2017) · low 3 (2007)2025

MAUDE reports naming product code GXN, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20072—03
20081—017
20090—017
20100—023
20112—020
20123102029
20131—057
20142—060
20152—047
20161—035
20172—074
20183199656
20190—054
2020533063
2021369063
20222—057
20231—032
20241—035
20252—024
202641930—

What is it indicated for?

The Longeviti Static Cranial Implants are designed and manufactured individually for each patient to correct bony voids and/or defects of the cranium.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K170410: Longeviti PMMA Static Cranial Implant.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K170410

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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