510(k) · Cleared
ClearedSynthes 9USA) Alveolar Ridge Distractor
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Synthes (Usa) · MQN External Mandibular Fixator And/Or Distractor
Cleared on Apr 12, 2005 after a 106-day review. The FDA summary names its predicate without a number. 2 later devices descend from it.
- Decided
- Apr 12, 2005
- Review
- 106 days
- Class
- Class II
- Product code
- MQN
- Recalls
- None
- Predicates
- 0
2 later devices descend from it, 2 citing it directly.
- This deviceK043555 Synthes 9USA) Alveolar Ridge DistractorSynthes (Usa) · 2005
- Descendant · cites it directly · 0 of its ownK183113 DePuy Synthes Maxillofacial Portfolio - MR ConditionalSynthes (USA) Products, LLC · 2019
- Descendant · cites it directly · 0 of its ownK080458 Mis Crest WidenerMis - Implant Technologies, Ltd. · 2008
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 |
|---|---|---|---|---|---|
| 0 (this device) | K043555 | Synthes 9USA) Alveolar Ridge Distractor | Synthes (Usa) | 2005 | — |
| +1 | K183113 | DePuy Synthes Maxillofacial Portfolio - MR Conditional | Synthes (USA) Products, LLC | 2019 | — |
| +1 | K080458 | Mis Crest Widener | Mis - Implant Technologies, Ltd. | 2008 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2008 | 1 | 0 |
| 2019 | 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 MQN? 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 MQN device
- #1 K220050 KLS Martin IPS Distractionscore 5.0 · 5 generations · no Class I recall
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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | — | KLS Martin - Track 1.0 & 1.5mm System Named without a submission number | |
| * | — | Lorenz Surgical, Inc - Lorenz Distraction System Named without a submission number |
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?
- Of its descendants, K183113 (Synthes (USA) Products, LLC, 2019) has gone furthest, with 0 descendants of its own.
How does its category compare?
All MQN devicesMQN External Mandibular Fixator And/Or Distractor: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · MQN
1in 2022
2026 to Oct 25, outlined.
Median 510(k) review, days · MQN
292in 2008
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · MQN
1in 2014
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · MQN
34in 2025
MAUDE reports naming product code MQN, 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 | 4 | 77 | 0 | 5 |
| 2008 | 3 | 292 | 0 | 8 |
| 2009 | 0 | — | 0 | 11 |
| 2010 | 0 | — | 0 | 20 |
| 2011 | 0 | — | 0 | 26 |
| 2012 | 1 | — | 0 | 107 |
| 2013 | 0 | — | 0 | 179 |
| 2014 | 1 | — | 1 | 57 |
| 2015 | 1 | — | 0 | 93 |
| 2016 | 1 | — | 0 | 87 |
| 2017 | 1 | — | 0 | 75 |
| 2018 | 1 | — | 0 | 108 |
| 2019 | 1 | — | 0 | 122 |
| 2020 | 0 | — | 0 | 86 |
| 2021 | 0 | — | 0 | 101 |
| 2022 | 1 | — | 0 | 61 |
| 2023 | 0 | — | 0 | 39 |
| 2024 | 0 | — | 0 | 60 |
| 2025 | 0 | — | 0 | 34 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
The Synthes Alveolar Distractor is intended for vertical bone lengthening of the alveolar ridge in the mandible and the maxilla where gradual bone distraction is required, including deficiency in bone height as a result of:
* Trauma
* Resorption after dental extraction
* Periodontal disease
* Tumor resection
* Congenital deformity
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K043555 · printed Nov 4, 2026
Cite this page
510(k) Report. “K043555: Synthes 9USA) Alveolar Ridge Distractor.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K043555
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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