510(k) · Cleared
ClearedDGH-3000A a-Scan
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Dgh Technology, Inc. · IYO System, Imaging, Pulsed Echo, Ultrasonic
Cleared on Dec 4, 1987 after a 149-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 20 later devices descend from it.
- Decided
- Dec 4, 1987
- Review
- 149 days
- Class
- Class II
- Product code
- IYO
- Recalls
- None
- Predicates
- 0
20 later devices descend from it, 2 citing it directly.
- This deviceK872726 DGH-3000A a-ScanDgh Technology, Inc. · 1987
- Descendant · cites it directly · 17 of its ownK032956 Accusonic a-Scan Model, 24-4000Accutome, Inc. · 2003
- Descendant · 2 generations on · 14 of its ownK082891 Lenstar, Model LS900Haag-Streit AG · 2009 · Recalled
- Descendant · 3 generations on · 10 of its ownK101182 Iolmaster 500Carl Zeiss Meditec, AG · 2010 · Recalled
- Descendant · 4 generations on · 9 of its ownK122418 Iolmaster 500Carl Zeiss Meditec, AG · 2013 · Recalled
- Descendant · 3 generations on · 4 of its ownK143275 IOLMaster700Carl Zeiss Meditec, Inc. · 2015
Showing 5 of 20 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 20 · See all- K032956Accusonic a-Scan Model, 24-4000Accutome, Inc. · 2003 · cites it directly17descendants
- K082891Lenstar, Model LS900Haag-Streit AG · 2009 · 2 generations on14descendants
- K101182Iolmaster 500Carl Zeiss Meditec, AG · 2010 · 3 generations on10descendants
- K122418Iolmaster 500Carl Zeiss Meditec, AG · 2013 · 4 generations on9descendants
- K143275IOLMaster700Carl Zeiss Meditec, Inc. · 2015 · 3 generations on4descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K872726 | DGH-3000A a-Scan | Dgh Technology, Inc. | 1987 | — |
| +1 | K032956 | Accusonic a-Scan Model, 24-4000 | Accutome, Inc. | 2003 | — |
| +2 | K082891 | Lenstar, Model LS900 | Haag-Streit AG | 2009 | 3 |
| +3 | K101182 | Iolmaster 500 | Carl Zeiss Meditec, AG | 2010 | 4 |
| +4 | K122418 | Iolmaster 500 | Carl Zeiss Meditec, AG | 2013 | 4 |
| +3 | K143275 | IOLMaster700 | Carl Zeiss Meditec, Inc. | 2015 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2003 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 2 | 0 |
| 2013 | 2 | 0 |
| 2014 | 1 | 0 |
| 2015 | 3 | 0 |
| 2016 | 1 | 0 |
| 2017 | 2 | 0 |
| 2018 | 1 | 0 |
| 2019 | 2 | 0 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
| 2025 | 2 | 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 IYO? 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 IYO device
- #1 K243937 Accuro 3Sscore 20.5 · 18 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
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? (20)
See all 202 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, K032956 (Accutome, Inc., 2003) has gone furthest, with 17 descendants of its own.
How does its category compare?
All IYO devicesIYO System, Imaging, Pulsed Echo, Ultrasonic: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · IYO
7in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · IYO
171in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · IYO
1in 2022
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · IYO
485in 2025
MAUDE reports naming product code IYO, 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 | 20 | 17 | 4 | 39 |
| 2008 | 14 | 36 | 5 | 20 |
| 2009 | 13 | 79 | 9 | 27 |
| 2010 | 15 | 113 | 8 | 20 |
| 2011 | 11 | 69 | 0 | 58 |
| 2012 | 15 | 68 | 2 | 78 |
| 2013 | 17 | 50 | 3 | 436 |
| 2014 | 14 | 63 | 2 | 304 |
| 2015 | 19 | 46 | 1 | 268 |
| 2016 | 10 | 36 | 0 | 254 |
| 2017 | 19 | 72 | 0 | 238 |
| 2018 | 14 | 56 | 1 | 368 |
| 2019 | 13 | 59 | 1 | 537 |
| 2020 | 11 | 57 | 0 | 498 |
| 2021 | 15 | 64 | 11 | 617 |
| 2022 | 5 | 190 | 1 | 511 |
| 2023 | 11 | 177 | 0 | 527 |
| 2024 | 10 | 220 | 0 | 640 |
| 2025 | 7 | 171 | 0 | 485 |
| 2026 | 10 | 139 | 1 | — |
https://510kreport.com/device/K872726 · printed Nov 6, 2026
Cite this page
510(k) Report. “K872726: DGH-3000A a-Scan.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K872726
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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