510(k) · Cleared
ClearedSonos Imaging System (2000/2500 & 1000/1500)
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Hewlett-Packard Co. · IYO System, Imaging, Pulsed Echo, Ultrasonic
Cleared on Mar 11, 1996 as substantially equivalent to K891689 (Kontron Electronics, 1989) after a 293-day review. Its family tree reaches back 1 generation to 1989.
- Decided
- Mar 11, 1996
- Review
- 293 days
- Class
- Class II
- Product code
- IYO
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 1 generation to K891689 (1989). No later device cites it as a predicate yet.
- Root · 1 generation backK891689 Mipron/UmipronKontron Electronics · 1989
- This deviceK952540 Sonos Imaging System (2000/2500 & 1000/1500)Hewlett-Packard Co. · 1996
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −1 | K891689 | Mipron/Umipron | Kontron Electronics | 1989 | — |
| 0 (this device) | K952540 | Sonos Imaging System (2000/2500 & 1000/1500) | Hewlett-Packard Co. | 1996 | — |
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 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? (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 |
|---|---|---|---|
| * | K891689 | Mipron/UmipronSummary page 1…vice The predicate device for this submittal 1s made by Kontron Electronics and is called the Mipron Image Processing System.The 510 (k) number for the Mipron system is K891689. 4) Description of the device and or modification being submitted for premarket approval. This 510(k)submittal is for a SW modi… | 1989 |
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?
- Its one ancestor has no recall.
- 1 other device also cites its predicate K891689.
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/K952540 · printed Nov 6, 2026
Cite this page
510(k) Report. “K952540: Sonos Imaging System (2000/2500 & 1000/1500).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K952540
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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