510(k) · Cleared
ClearedDental X-Ray Device (Ai Ray Lite, Ai Ray Pro, Master Ray )
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Guilin Woodpecker Medical Instrument Co., Ltd. · EHD Unit, X-Ray, Extraoral With Timer
Cleared on Sep 4, 2025 as substantially equivalent to K222569 (Guilin Woodpecker Medical Instrument Co., Ltd., 2022) after a 118-day review. Its family tree reaches back 7 generations to 2000.
- Decided
- Sep 4, 2025
- Review
- 118 days
- Class
- Class II
- Product code
- EHD
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 7 generations to K000061 (2000). No later device cites it as a predicate yet.
- Root · 7 generations backK000061 Minxray HF70D High Frequency Portable Dental X-Ray UnitMinxray, Inc. · 2000
- 6 generations backK021378 Portable HDX Intraoral X-RayDentalez Group · 2002 · Recalled
- 5 generations backK051795 Nomad Dental X-Ray SystemAribex, Inc. · 2005
- 4 generations backK081664 Nomad Pro X-Ray SystemAribex, Inc. · 2008 · Recalled
- 3 generations backK161063 EzRay Air (Model VEX-P300)VATECH Co., Ltd. · 2016
- 2 generations backK200182 EzRay Air Portable (Model: VEX-P300)VATECH Co., Ltd. · 2020
- 1 generation backK222569 Ai Ray Dental X-Ray DeviceGuilin Woodpecker Medical Instrument Co., Ltd. · 2022
- This deviceK251438 Dental X-Ray Device (Ai Ray Lite, Ai Ray Pro, Master Ray )Guilin Woodpecker Medical Instrument Co., Ltd. · 2025
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −7 | K000061 | Minxray HF70D High Frequency Portable Dental X-Ray Unit | Minxray, Inc. | 2000 | — |
| −6 | K021378 | Portable HDX Intraoral X-Ray | Dentalez Group | 2002 | 1 |
| −5 | K051795 | Nomad Dental X-Ray System | Aribex, Inc. | 2005 | — |
| −4 | K081664 | Nomad Pro X-Ray System | Aribex, Inc. | 2008 | 2 |
| −3 | K161063 | EzRay Air (Model VEX-P300) | VATECH Co., Ltd. | 2016 | — |
| −2 | K200182 | EzRay Air Portable (Model: VEX-P300) | VATECH Co., Ltd. | 2020 | — |
| −1 | K222569 | Ai Ray Dental X-Ray Device | Guilin Woodpecker Medical Instrument Co., Ltd. | 2022 | — |
| 0 (this device) | K251438 | Dental X-Ray Device (Ai Ray Lite, Ai Ray Pro, Master Ray ) | Guilin Woodpecker Medical Instrument Co., Ltd. | 2025 | — |
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 EHD? 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 EHD device
- #1 K260795 Hand-held Dental X-ray System (HyperLight-M)score 14.1 · 8 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the 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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K222569 | Ai Ray Dental X-Ray DeviceSummary page 5…21CFR872.1800 Primary Product Code: EHD Subsequent Product Codes: Device Class: Class II Predicate Device: K222569 Trade Name: Ai Ray Dental X-Ray Device Common Name: Extraoral source x-ray system Re… | 2022 |
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 25 years and passes through 5 companies; a new generation was cleared every 2.9 years on median.
- 2 of the 7 ancestors have a recall of any class.
How does its category compare?
All EHD devicesEHD Unit, X-Ray, Extraoral With Timer: FDA decisions, review times, recalls and adverse event reports over 20 years. 2025, this device’s year, is highlighted.
FDA decisions per year · EHD
1in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · EHD
58in 2024
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · EHD
1in 2017
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · EHD
6in 2024
MAUDE reports naming product code EHD, 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 | 5 |
| 2008 | 5 | 49 | 0 | 6 |
| 2009 | 4 | 92 | 0 | 38 |
| 2010 | 4 | 268 | 3 | 47 |
| 2011 | 3 | 102 | 3 | 26 |
| 2012 | 2 | — | 0 | 22 |
| 2013 | 4 | 216 | 0 | 21 |
| 2014 | 3 | 107 | 1 | 20 |
| 2015 | 1 | — | 0 | 110 |
| 2016 | 2 | — | 1 | 63 |
| 2017 | 4 | 28 | 1 | 66 |
| 2018 | 5 | 30 | 0 | 21 |
| 2019 | 4 | 173 | 0 | 21 |
| 2020 | 2 | — | 0 | 4 |
| 2021 | 1 | — | 0 | 4 |
| 2022 | 8 | 58 | 0 | 4 |
| 2023 | 8 | 147 | 0 | 2 |
| 2024 | 7 | 58 | 0 | 6 |
| 2025 | 1 | — | 0 | 0 |
| 2026 | 6 | 128 | 0 | — |
What is it indicated for?
It is an extraoral diagnostic dental X-ray source to produce X-ray images using intraoral image receptors. It is indicated for use by a dentist or a dental technician for both adult and pediatric patients.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K251438 · printed Nov 6, 2026
Cite this page
510(k) Report. “K251438: Dental X-Ray Device (Ai Ray Lite, Ai Ray Pro, Master Ray ).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K251438
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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