510(k) · Cleared
Recalled · Class II · 2016Hard Tissue Replace (HTR (R))-Patient-Match Implant
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Polyclinic Medical Center · KKY Material, Polytetrafluoroethylene Vitreous Carbon, For Maxillofacial Reconstruction
Cleared on Sep 2, 1993 after a 337-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 51 later devices descend from it. It has been recalled once.
- Decided
- Sep 2, 1993
- Review
- 337 days
- Class
- Class II
- Product code
- KKY
- Recalls
- 1
- Predicates
- 0
51 later devices descend from it, 2 citing it directly.
- This deviceK924935 Hard Tissue Replace (HTR (R))-Patient-Match ImplantPolyclinic Medical Center · 1993
- Descendant · cites it directly · 50 of its ownK043250 Stryker Patient Specific Polymer ImplantStryker Leibinger · 2005 · Recalled
- Descendant · 2 generations on · 23 of its ownK103010 Stryker Patient Specific Polymer ImplantHowmedica Osteonics Corp., Dba Stryker Orthopaedics · 2010 · Recalled
- Descendant · 3 generations on · 20 of its ownK111065 Stryker (R) Patient Specific Polymer ImplantHowmedica Osteonics Corp. Dba Stryker Orthopeadics · 2011
- Descendant · 2 generations on · 20 of its ownK072601 Osteosymbionics Patient Specific Cranial ImplantOsteosymbionics, LLC · 2007
- Descendant · 2 generations on · 18 of its ownK052871 Stryker Custom TI ImplantStryker Leibinger · 2005
Showing 5 of 51 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 51 · See all- K043250Stryker Patient Specific Polymer ImplantStryker Leibinger · 2005 · cites it directly50descendants
- K103010Stryker Patient Specific Polymer ImplantHowmedica Osteonics Corp., Dba Stryker Orthopaedics · 2010 · 2 generations on23descendants
- K111065Stryker (R) Patient Specific Polymer ImplantHowmedica Osteonics Corp. Dba Stryker Orthopeadics · 2011 · 3 generations on20descendants
- K072601Osteosymbionics Patient Specific Cranial ImplantOsteosymbionics, LLC · 2007 · 2 generations on20descendants
- K052871Stryker Custom TI ImplantStryker Leibinger · 2005 · 2 generations on18descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K924935 | Hard Tissue Replace (HTR (R))-Patient-Match Implant | Polyclinic Medical Center | 1993 | — |
| +1 | K043250 | Stryker Patient Specific Polymer Implant | Stryker Leibinger | 2005 | 4 |
| +2 | K103010 | Stryker Patient Specific Polymer Implant | Howmedica Osteonics Corp., Dba Stryker Orthopaedics | 2010 | 1 |
| +3 | K111065 | Stryker (R) Patient Specific Polymer Implant | Howmedica Osteonics Corp. Dba Stryker Orthopeadics | 2011 | — |
| +2 | K072601 | Osteosymbionics Patient Specific Cranial Implant | Osteosymbionics, LLC | 2007 | — |
| +2 | K052871 | Stryker Custom TI Implant | Stryker Leibinger | 2005 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2005 | 2 | 0 |
| 2006 | 1 | 0 |
| 2007 | 2 | 0 |
| 2010 | 1 | 0 |
| 2011 | 3 | 0 |
| 2012 | 4 | 0 |
| 2013 | 2 | 0 |
| 2014 | 2 | 0 |
| 2015 | 3 | 0 |
| 2016 | 4 | 0 |
| 2017 | 1 | 0 |
| 2018 | 2 | 0 |
| 2019 | 5 | 0 |
| 2020 | 3 | 0 |
| 2021 | 2 | 0 |
| 2022 | 3 | 0 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
| 2025 | 3 | 0 |
| 2026 | 6 | 0 |
Sources: FDA 510(k) database (decision fields), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.
Planning a device in KKY? 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 KKY device
- #1 K211514 Longeviti PorousFit implantscore 2.0 · 2 generations · no Class I recall
What was it cleared against?
FDA has not posted a summary or statement for it, so its predicates are not known.
What descends from it? (51)
See all 512 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)
Recalls of this device
| Date | Class | Recall | Root cause | Reason |
|---|---|---|---|---|
| Jun 13, 2016 | Class II | Z-2751-2016 | Packaging | Potential sterility deficiency. |
No ancestor or descendant has a Class I recall.
What does this lineage say?
- Of its descendants, K043250 (Stryker Leibinger, 2005) has gone furthest, with 50 descendants of its own.
How does its category compare?
All KKY devicesKKY Material, Polytetrafluoroethylene Vitreous Carbon, For Maxillofacial Reconstruction: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · KKY
1in 2021
2026 to Oct 25, outlined.
Median 510(k) review, days · KKY
224in 2014
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · KKY
1in 2013
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · KKY
1in 2025
MAUDE reports naming product code KKY, 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 | — | 0 | 0 |
| 2008 | 1 | — | 4 | 3 |
| 2009 | 0 | — | 0 | 9 |
| 2010 | 1 | — | 0 | 5 |
| 2011 | 1 | — | 0 | 13 |
| 2012 | 0 | — | 0 | 22 |
| 2013 | 1 | — | 1 | 17 |
| 2014 | 3 | 224 | 0 | 9 |
| 2015 | 1 | — | 0 | 18 |
| 2016 | 2 | — | 0 | 25 |
| 2017 | 0 | — | 0 | 19 |
| 2018 | 0 | — | 0 | 17 |
| 2019 | 0 | — | 0 | 20 |
| 2020 | 0 | — | 0 | 13 |
| 2021 | 1 | — | 0 | 12 |
| 2022 | 0 | — | 0 | 1 |
| 2023 | 0 | — | 0 | 3 |
| 2024 | 0 | — | 0 | 1 |
| 2025 | 0 | — | 0 | 1 |
| 2026 | 0 | — | 0 | — |
https://510kreport.com/device/K924935 · printed Nov 4, 2026
Cite this page
510(k) Report. “K924935: Hard Tissue Replace (HTR (R))-Patient-Match Implant.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K924935
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Record history
- FDA decision record loaded May 2, 2026
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026