510(k) Report

510(k) · Cleared

Cleared

MEDPOR Customized Implant Kit

K254233510(k) SpecialCleared Mar 12, 202673-day reviewClass II21 CFR 878.3550

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

Stryker Leibinger GmbH & Co KG · FWP Prosthesis, Chin, Internal

Cleared on Mar 12, 2026 as substantially equivalent to K191916 (Stryker Leibinger GmbH & Co KG, 2019) after a 73-day review. Its family tree reaches back 8 generations to 1990.

Decided
Mar 12, 2026
Review
73 days
Class
Class II
Product code
FWP
Recalls
None
Predicates
1

Its longest line of descent runs back 8 generations to K904111 (1990). 11 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 8 generations backK904111 HTR Polymer, HTR-MXUnited States Surgical, A Division of Tyco Healthc · 1990
  2. 7 generations backK043250 Stryker Patient Specific Polymer ImplantStryker Leibinger · 2005 · Recalled
  3. 6 generations backK103010 Stryker Patient Specific Polymer ImplantHowmedica Osteonics Corp., Dba Stryker Orthopaedics · 2010 · Recalled
  4. 5 generations backK111065 Stryker (R) Patient Specific Polymer ImplantHowmedica Osteonics Corp. Dba Stryker Orthopeadics · 2011
  5. 4 generations backK121315 Stryker CMF Medpor Customized ImplantHowmedica Osteonics Corp. · 2012
  6. 3 generations backK143173 Stryker CMF MEDPOR Customized ImplantStryker · 2015
  7. 2 generations backK153508 Stryker CMF MEDPOR Customized ImplantStryker · 2016
  8. 1 generation backK191916 Stryker CMF MEDPOR Priority Customized Implant KitStryker Leibinger GmbH & Co KG · 2019
  9. This deviceK254233 MEDPOR Customized Implant KitStryker Leibinger GmbH & Co KG · 2026
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−8K904111HTR Polymer, HTR-MXUnited States Surgical, A Division of Tyco Healthc1990—
−7K043250Stryker Patient Specific Polymer ImplantStryker Leibinger20054
−6K103010Stryker Patient Specific Polymer ImplantHowmedica Osteonics Corp., Dba Stryker Orthopaedics20101
−5K111065Stryker (R) Patient Specific Polymer ImplantHowmedica Osteonics Corp. Dba Stryker Orthopeadics2011—
−4K121315Stryker CMF Medpor Customized ImplantHowmedica Osteonics Corp.2012—
−3K143173Stryker CMF MEDPOR Customized ImplantStryker2015—
−2K153508Stryker CMF MEDPOR Customized ImplantStryker2016—
−1K191916Stryker CMF MEDPOR Priority Customized Implant KitStryker Leibinger GmbH & Co KG2019—
0 (this device)K254233MEDPOR Customized Implant KitStryker Leibinger GmbH & Co KG2026—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199210
199310
200910
FIG. 1 — Lineage of K254233, 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 FWP? 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 FWP device

  1. #1 K232593 FITme Customized Silicone Implantscore 6.7 · 2 generations · no Class I recall
  2. #2 Held for the reportin the report
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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
*K191916Stryker CMF MEDPOR Priority Customized Implant Kit
Summary page 6
…(a)(3)] 510(k) Number: K254233 Primary Predicate Device: Stryker CMF MEDPOR® Customized Implant Kit (also referred to as MEDPOR® CI or MEDPOR® CI Kit) – K191916 Reference Device: PEEK Customized Cranial Implant (CCI) Kit – K203055 The predicate and reference device have not be…
Stryker Leibinger GmbH & Co KG2019—
†K203055Stryker PEEK Customized Cranial Implant KitStryker2021—

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 36 years and passes through 7 companies; a new generation was cleared every 3.5 years on median.
  • 4 of the 11 ancestors have a recall of any class.

How does its category compare?

All FWP devices

FWP Prosthesis, Chin, Internal: FDA decisions, review times, recalls and adverse event reports over 20 years. 2026, this device’s year, is highlighted.

FDA decisions per year · FWP

1in 2023

2009: 12012: 12014: 12015: 12016: 22019: 22020: 12023: 12026 (partial year): 1
2007high 2 (2016) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · FWP

Too few FWP 510(k)s in any year since 2007 to give a median.

Recalls per year · FWP

1in 2025

2025: 1
2007high 1 (2025) · low 0 (2007)2026

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

Adverse event reports per year · FWP

17in 2025

2007: 32008: 32009: 52010: 12011: 222012: 62013: 92014: 52015: 82016: 62017: 132018: 72019: 152020: 62021: 132022: 122023: 62024: 102025: 17
2007high 22 (2011) · low 1 (2010)2025

MAUDE reports naming product code FWP, 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
20070—03
20080—03
20091—05
20100—01
20110—022
20121—06
20130—09
20141—05
20151—08
20162—06
20170—013
20180—07
20192—015
20201—06
20210—013
20220—012
20231—06
20240—010
20250—117
20261—0—

What is it indicated for?

The CMF MEDPOR® Customized Implant is indicated for the augmentation, and/or restoration of bony and/or soft tissue deformities in post-traumatic, post-surgical, or congenital craniofacial defects, including, but not limited to, the correction and prevention of persistent temporal hollowing (PTH).

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K254233: MEDPOR Customized Implant Kit.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K254233

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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