510(k) Report

510(k) · Cleared

Cleared

Synthes Patient Specific Implants

K243715510(k) TraditionalCleared Nov 12, 2025345-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

Synthes GmbH · GXN Plate, Cranioplasty, Preformed, Non-Alterable

Cleared on Nov 12, 2025 as substantially equivalent to K220357 (Medcad, 2022) after a 345-day review. Its family tree reaches back 5 generations to 1990.

Decided
Nov 12, 2025
Review
345 days
Class
Class II
Product code
GXN
Recalls
None
Predicates
1

Its longest line of descent runs back 5 generations to K904111 (1990). 10 ancestors in all, the oldest K832283 (1984). No later device cites it as a predicate yet.

  1. Root · 5 generations backK904111 HTR Polymer, HTR-MXUnited States Surgical, A Division of Tyco Healthc · 1990
  2. 4 generations backK043250 Stryker Patient Specific Polymer ImplantStryker Leibinger · 2005 · Recalled
  3. 3 generations backK072601 Osteosymbionics Patient Specific Cranial ImplantOsteosymbionics, LLC · 2007
  4. 2 generations backK110684 Medcad Accushape (TM) Peek Patient Specific Cranial / Craniofacial…Vanduzen Dba Medcad · 2011
  5. 1 generation backK220357 MedCAD AccuShape Titanium Patient-Specific Cranial ImplantMedcad · 2022
  6. This deviceK243715 Synthes Patient Specific ImplantsSynthes GmbH · 2025
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5K904111HTR Polymer, HTR-MXUnited States Surgical, A Division of Tyco Healthc1990—
−4K043250Stryker Patient Specific Polymer ImplantStryker Leibinger20054
−3K072601Osteosymbionics Patient Specific Cranial ImplantOsteosymbionics, LLC2007—
−2K110684Medcad Accushape (TM) Peek Patient Specific Cranial / Craniofacial ImplantVanduzen Dba Medcad2011—
−1K220357MedCAD AccuShape Titanium Patient-Specific Cranial ImplantMedcad2022—
0 (this device)K243715Synthes Patient Specific ImplantsSynthes GmbH2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198410
198710
199310
200410
200510
FIG. 1 — Lineage of K243715, 1990–2025Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

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
Get a 510(k) 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.

TypeNumberDeviceApplicantDecidedRecalls
*K220357MedCAD AccuShape Titanium Patient-Specific Cranial Implant
Summary page 5
…ation 882.5330 Preformed nonalterable cranioplasty plate. Product Code GXN: Plate, Cranioplasty, Preformed, Non-Alterable Predicate K220357 MedCAD® AccuShape® Titanium Patient-Specific Cranial Implant Device(s) Reference K033868 / K053199 Synthes P…
Medcad2022—
†K033868Synthes (Usa) Patient Specific Cranial/Craniofacial ImplantsSynthes (Usa)2004—
†K053199Synthes Patient Specific Cranial/Craniofacial ImplantSynthes (Usa)2005—

Also cleared against K220357: 1 other device →

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 35 years and passes through 6 companies; a new generation was cleared every 3.5 years on median.
  • 2 of the 10 ancestors have a recall of any class.
  • 1 other device also cites its predicate K220357.

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. 2025, 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?

Patient Specific Implants are intended for the replacement of bony voids in the cranial and craniofacial skeleton (orbital rim, zygoma, and adjacent bone).

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K243715: Synthes Patient Specific Implants.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K243715

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

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