510(k) · Cleared
Cleared50S Tringa Ultrasound Imaging System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Pie Medical · IYO System, Imaging, Pulsed Echo, Ultrasonic
Cleared on Apr 19, 2002 as substantially equivalent to K002357 (Pie Medical, 2000) and 1 other predicate after a 98-day review. Its family tree reaches back 2 generations to 1995. 2 of the 116 devices in its family, counting itself, have a Class I recall. 112 later devices descend from it.
- Decided
- Apr 19, 2002
- Review
- 98 days
- Class
- Class II
- Product code
- IYO
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 2 generations to K944287 (1995). 3 ancestors in all. 112 later devices descend from it, 6 citing it directly. 2 of the 116 devices in this family, counting this one, have a Class I recall.
- Root · 2 generations backK944287 7050 Ultrasound Imaging SystemBiosound, Inc. · 1995
- 1 generation backK981293 7200 Ultrasound Imaging SystemBiosound Esaote, Inc. · 1998
- This deviceK020112 50S Tringa Ultrasound Imaging SystemPie Medical · 2002
- Descendant · cites it directly · 107 of its ownK090505 Speq Ultrasound SystemSignostics Pty, Ltd. · 2009
- Descendant · 2 generations on · 103 of its ownK102153 Mobius Ultrasound Imaging SystemMobisante, Inc. · 2011
- Descendant · 3 generations on · 87 of its ownK133833 Nuvis Diagnostic Ultrasound SystemPhilips Ultrasound, Inc. · 2014 · Recalled
- Descendant · 4 generations on · 79 of its ownK152899 Philips Lumify Diagnostic Ultrasound SystemPhilips Healthcare, Inc. · 2015 · Recalled
- Descendant · 5 generations on · 43 of its ownK162549 Lumify Ultrasound SystemPhilips Health Care · 2016 · Recalled
Showing 5 of 112 descendants. See all descendants
Descendants cleared per year
Class I recalls in this family
Most influential descendants
Showing 5 of 112 · See all- K090505Speq Ultrasound SystemSignostics Pty, Ltd. · 2009 · cites it directly107descendants
- K102153Mobius Ultrasound Imaging SystemMobisante, Inc. · 2011 · 2 generations on103descendants
- K133833Nuvis Diagnostic Ultrasound SystemPhilips Ultrasound, Inc. · 2014 · 3 generations on87descendants
- K152899Philips Lumify Diagnostic Ultrasound SystemPhilips Healthcare, Inc. · 2015 · 4 generations on79descendants
- K162549Lumify Ultrasound SystemPhilips Health Care · 2016 · 5 generations on43descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −2 | K944287 | 7050 Ultrasound Imaging System | Biosound, Inc. | 1995 | — |
| −1 | K981293 | 7200 Ultrasound Imaging System | Biosound Esaote, Inc. | 1998 | — |
| 0 (this device) | K020112 | 50S Tringa Ultrasound Imaging System | Pie Medical | 2002 | — |
| +1 | K090505 | Speq Ultrasound System | Signostics Pty, Ltd. | 2009 | — |
| +2 | K102153 | Mobius Ultrasound Imaging System | Mobisante, Inc. | 2011 | — |
| +3 | K133833 | Nuvis Diagnostic Ultrasound System | Philips Ultrasound, Inc. | 2014 | 3 |
| +4 | K152899 | Philips Lumify Diagnostic Ultrasound System | Philips Healthcare, Inc. | 2015 | 4 |
| +5 | K162549 | Lumify Ultrasound System | Philips Health Care | 2016 | 6 |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2000 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2003 | 2 | 0 |
| 2004 | 1 | 0 |
| 2009 | 2 | 0 |
| 2011 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 4 | 0 |
| 2015 | 5 | 0 |
| 2016 | 5 | 0 |
| 2017 | 7 | 0 |
| 2018 | 5 | 0 |
| 2019 | 3 | 0 |
| 2020 | 8 | 0 |
| 2021 | 12 | 0 |
| 2022 | 9 | 0 |
| 2023 | 7 | 0 |
| 2024 | 9 | 0 |
| 2025 | 15 | 2 |
| 2026 | 16 | 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.
2 devices in this family have a Class I recall. 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? (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 |
|---|---|---|---|
| * | K002357 | 100 S and 100 LC and 485 Anser Ultrasound Imaging SystemsSummary page 1…nd Imaging System Classification Name(s): Ultrasonic f)ulsed echo imaging system 892.1560 Classification Number: 90IYO 807.92(a)(3) Predicate Device(s) Pie Medical 100S K002357 Esaote 7200 (Caris) K981293 Additional Substantial Equivalence Information is provided in the following substantial Equivalence… | 2000 |
| * | K981293 | 7200 Ultrasound Imaging SystemSummary page 1…tion Name(s): Ultrasonic f)ulsed echo imaging system 892.1560 Classification Number: 90IYO 807.92(a)(3) Predicate Device(s) Pie Medical 100S K002357 Esaote 7200 (Caris) K981293 Additional Substantial Equivalence Information is provided in the following substantial Equivalence Comparison Table. ;}4 I~ =… | 1998 |
What descends from it? (112)
See all 1126 later devices cite it directly; ranked here by how many devices descend from each in turn.
Has anything in its family been recalled? (2 Class I)
No FDA recall names this device.
Relatives with a Class I recall
Class I is FDA’s most serious recall class. A recall in the family tree is context for this device, not evidence about it.
What does this lineage say?
- The line of descent spans 7 years and passes through 3 companies; a new generation was cleared every 3.8 years on median.
- None of the 3 ancestors has a recall.
- Of its descendants, K090505 (Signostics Pty, Ltd., 2009) has gone furthest, with 107 descendants of its own.
- 1 other device also cites its predicate K002357.
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 | — |
What is it indicated for?
Pie Medical’s 50S Tringa ultrasound system is used by or under the direction of a physician to perform general non-invasive diagnostic ultrasound imaging studies, to include: abdominal, peripheral vascular, fetal, small organ & cardiac applications.
Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K020112 · printed Nov 6, 2026
Cite this page
510(k) Report. “K020112: 50S Tringa Ultrasound Imaging System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K020112
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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